#include "../include/QuickMedia.hpp"
#include "../plugins/Manganelo.hpp"
#include "../plugins/Mangatown.hpp"
#include "../plugins/Mangadex.hpp"
#include "../plugins/Youtube.hpp"
#include "../plugins/Pornhub.hpp"
#include "../plugins/Fourchan.hpp"
#include "../plugins/NyaaSi.hpp"
#include "../plugins/Matrix.hpp"
#include "../plugins/FileManager.hpp"
#include "../include/Scale.hpp"
#include "../include/Program.h"
#include "../include/VideoPlayer.hpp"
#include "../include/StringUtils.hpp"
#include "../include/GoogleCaptcha.hpp"
#include "../include/Notification.hpp"
#include "../include/ImageViewer.hpp"
#include "../include/ImageUtils.hpp"
#include "../include/base64_url.hpp"
#include "../include/Entry.hpp"

#include <assert.h>
#include <cmath>
#include <string.h>
#include <signal.h>
#include <regex>

#include <SFML/Graphics/RectangleShape.hpp>
#include <SFML/Window/Clipboard.hpp>
#include <SFML/Graphics/Sprite.hpp>
#include <SFML/Graphics/Text.hpp>
#include <SFML/Window/Event.hpp>
#include <json/reader.h>
#include <json/writer.h>
#include <X11/keysym.h>
#include <X11/extensions/Xrandr.h>
#include <SFML/OpenGL.hpp>
#include <GL/glx.h>

static const sf::Color back_color(21, 25, 30);
static const std::string fourchan_google_captcha_api_key = "6Ldp2bsSAAAAAAJ5uyx_lx34lJeEpTLVkP5k04qc";
static const float tab_text_size = 18.0f;
static const float tab_height = tab_text_size + 10.0f;
static const sf::Color tab_selected_color(55, 60, 68);
static const float tab_margin_x = 10.0f;

// Prevent writing to broken pipe from exiting the program
static void sigpipe_handler(int) {

}

static int x_error_handler(Display*, XErrorEvent*) {
    return 0;
}

static int x_io_error_handler(Display*) {
    return 0;
}

static int get_monitor_max_hz(Display *display) {
    XRRScreenResources *screen_res = XRRGetScreenResources(display, DefaultRootWindow(display));
    if(screen_res) {
        unsigned long max_hz = 0;
        for(int i = 0; i < screen_res->nmode; ++i) {
            unsigned long total = screen_res->modes[i].hTotal*screen_res->modes[i].vTotal;
            if(total > 0)
                max_hz = std::max(max_hz, screen_res->modes[i].dotClock/total);
        }
        XRRFreeScreenResources(screen_res);
        if(max_hz == 0)
            max_hz = 60;
        return std::min(max_hz, 144UL);
    }
    return 60;
}

static void get_screen_resolution(Display *display, int *width, int *height) {
    *width = DefaultScreenOfDisplay(display)->width;
    *height = DefaultScreenOfDisplay(display)->height;
}

static bool has_gl_ext(Display *disp, const char *ext) {
    const char *extensions = glXQueryExtensionsString(disp, DefaultScreen(disp));
    if(!extensions)
        return false;

    int ext_len = strlen(ext);
    while(true) {
        const char *loc = strstr(extensions, ext);
        if(!loc)
            return false;

        const char *terminator = loc + ext_len;
        if((loc == extensions || *(loc - 1) == ' ') && (*terminator == ' ' || *terminator == '\0'))
            return true;

        extensions = terminator;
    }
}

static PFNGLXSWAPINTERVALMESAPROC glXSwapIntervalMESA = nullptr;
static PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = nullptr;
static PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = nullptr;
static bool vsync_loaded = false;
static bool vsync_set = false;

static bool test_vsync(Display *disp, Window window) {
    unsigned int swap = 0;
    glXQueryDrawable(disp, window, GLX_SWAP_INTERVAL_EXT, &swap);
    printf("The swap interval is %u\n", swap);
    return swap == 1;
}

static bool enable_vsync(Display *disp, Window window) {
    if(vsync_loaded) {
        if(glXSwapIntervalMESA)
            return glXSwapIntervalMESA(1) == 0;
        if(glXSwapIntervalSGI)
            return glXSwapIntervalSGI(1) == 0;
        if(glXSwapIntervalEXT) {
            glXSwapIntervalEXT(disp, window, 1);
            return true;
        }
        return false;
    }
    vsync_loaded = true;

    if(has_gl_ext(disp, "GLX_MESA_swap_control")) {
        fprintf(stderr, "vsync method: GLX_MESA_swap_control\n");
        glXSwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)glXGetProcAddress((const GLubyte*)"glXSwapIntervalMESA");
        if(glXSwapIntervalMESA && glXSwapIntervalMESA(1) == 0 && test_vsync(disp, window))
            return true;
    }
    
    if(has_gl_ext(disp, "GLX_SGI_swap_control")) {
        fprintf(stderr, "vsync method: GLX_SGI_swap_control\n");
        glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)glXGetProcAddress((const GLubyte*)"glXSwapIntervalSGI");
        if(glXSwapIntervalSGI && glXSwapIntervalSGI(1) == 0 && test_vsync(disp, window))
            return true;
    }

    if(has_gl_ext(disp, "GLX_EXT_swap_control")) {
        fprintf(stderr, "vsync method: GLX_EXT_swap_control\n");
        glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddress((const GLubyte*)"glXSwapIntervalEXT");
        if(glXSwapIntervalEXT) {
            glXSwapIntervalEXT(disp, window, 1);
            return test_vsync(disp, window);
        }
    }

    fprintf(stderr, "vsync method: none\n");
    return false;
}

static sf::Color interpolate_colors(sf::Color source, sf::Color target, double progress) {
    int diff_r = (int)target.r - (int)source.r;
    int diff_g = (int)target.g - (int)source.g;
    int diff_b = (int)target.b - (int)source.b;
    int diff_a = (int)target.a - (int)source.a;
    return sf::Color(
        source.r + diff_r * progress,
        source.g + diff_g * progress,
        source.b + diff_b * progress,
        source.a + diff_a * progress);
}

namespace QuickMedia {
    class HistoryPage : public Page {
    public:
        HistoryPage(Program *program, Page *search_page) : Page(program), search_page(search_page) {}
        const char* get_title() const override { return "History"; }
        PluginResult submit(const std::string &title, const std::string &url, std::vector<Tab> &result_tabs) override {
            return search_page->submit(title, url, result_tabs);
        }
    private:
        Page *search_page;
    };

    class RecommendedPage : public Page {
    public:
        RecommendedPage(Program *program, Page *search_page) : Page(program), search_page(search_page) {}
        const char* get_title() const override { return "Recommended"; }
        PluginResult submit(const std::string &title, const std::string &url, std::vector<Tab> &result_tabs) override {
            return search_page->submit(title, url, result_tabs);
        }
    private:
        Page *search_page;
    };

    static Path get_recommended_filepath(const char *plugin_name) {
        Path video_history_dir = get_storage_dir().join("recommended");
        if(create_directory_recursive(video_history_dir) != 0) {
            std::string err_msg = "Failed to create recommended directory ";
            err_msg += video_history_dir.data;
            show_notification("QuickMedia", err_msg.c_str(), Urgency::CRITICAL);
            exit(1);
        }

        Path video_history_filepath = video_history_dir;
        return video_history_filepath.join(plugin_name).append(".json");
    }

    // TODO: Make asynchronous
    static void fill_recommended_items_from_json(const char *plugin_name, const Json::Value &recommended_json, BodyItems &body_items) {
        assert(recommended_json.isObject());

        const int64_t recommendations_autodelete_period = 60*60*24*20; // 20 days
        time_t time_now = time(NULL);
        int num_items_deleted = 0;

        std::vector<std::pair<std::string, Json::Value>> recommended_items(recommended_json.size());
        /* TODO: Optimize member access */
        for(auto &member_name : recommended_json.getMemberNames()) {
            Json::Value recommended_item = recommended_json[member_name];
            if(recommended_item.isObject()) {
                Json::Value recommended_timestamp_json = recommended_item.get("recommended_timestamp", Json::Value::nullSingleton());
                Json::Value watched_timestamp_json = recommended_item.get("watched_timestamp", Json::Value::nullSingleton());
                if(watched_timestamp_json.isNumeric() && time_now - watched_timestamp_json.asInt64() >= recommendations_autodelete_period) {
                    ++num_items_deleted;
                } else if(recommended_timestamp_json.isNumeric() && time_now - recommended_timestamp_json.asInt64() >= recommendations_autodelete_period) {
                    ++num_items_deleted;
                } else if(recommended_timestamp_json.isNull() && watched_timestamp_json.isNull()) {
                    ++num_items_deleted;
                } else {
                    recommended_items.push_back(std::make_pair(member_name, std::move(recommended_item)));
                }
            }
        }

        if(num_items_deleted > 0) {
            // TODO: Is there a better way?
            Json::Value new_recommendations(Json::objectValue);
            for(auto &recommended : recommended_items) {
                new_recommendations[recommended.first] = recommended.second;
            }
            fprintf(stderr, "Number of old recommendations to delete: %d\n", num_items_deleted);
            save_json_to_file_atomic(get_recommended_filepath(plugin_name), new_recommendations);
        }

        /* TODO: Better algorithm for recommendations */
        std::sort(recommended_items.begin(), recommended_items.end(), [](std::pair<std::string, Json::Value> &a, std::pair<std::string, Json::Value> &b) {
            Json::Value &a_timestamp_json = a.second["recommended_timestamp"];
            Json::Value &b_timestamp_json = b.second["recommended_timestamp"];
            int64_t a_timestamp = 0;
            int64_t b_timestamp = 0;
            if(a_timestamp_json.isNumeric())
                a_timestamp = a_timestamp_json.asInt64();
            if(b_timestamp_json.isNumeric())
                b_timestamp = b_timestamp_json.asInt64();

            Json::Value &a_recommended_count_json = a.second["recommended_count"];
            Json::Value &b_recommended_count_json = b.second["recommended_count"];
            int64_t a_recommended_count = 0;
            int64_t b_recommended_count = 0;
            if(a_recommended_count_json.isNumeric())
                a_recommended_count = a_recommended_count_json.asInt64();
            if(b_recommended_count_json.isNumeric())
                b_recommended_count = b_recommended_count_json.asInt64();

            /* Put frequently recommended videos on top of recommendations. Each recommendation count is worth 5 minutes */
            a_timestamp += (300 * a_recommended_count);
            b_timestamp += (300 * b_recommended_count);

            return a_timestamp > b_timestamp;
        });

        for(auto it = recommended_items.begin(); it != recommended_items.end(); ++it) {
            const std::string &recommended_item_id = it->first;
            Json::Value &recommended_item = it->second;

            int64_t watched_count = 0;
            const Json::Value &watched_count_json = recommended_item["watched_count"];
            if(watched_count_json.isNumeric())
                watched_count = watched_count_json.asInt64();

            /* TODO: Improve recommendations with some kind of algorithm. Videos we have seen should be recommended in some cases */
            if(watched_count != 0)
                continue;

            const Json::Value &recommended_title_json = recommended_item["title"];
            if(!recommended_title_json.isString())
                continue;

            auto body_item = BodyItem::create(recommended_title_json.asString());
            body_item->url = "https://www.youtube.com/watch?v=" + recommended_item_id;
            body_item->thumbnail_url = "https://img.youtube.com/vi/" + recommended_item_id + "/hqdefault.jpg";
            body_items.push_back(std::move(body_item));

            // We dont want more than 150 recommendations
            if(body_items.size() == 150)
                break;
        }

        std::random_shuffle(body_items.begin(), body_items.end());
    }

    Program::Program() :
        disp(nullptr),
        window(sf::VideoMode(1280, 720), "QuickMedia", sf::Style::Default, sf::ContextSettings(0, 0, 0, 3, 3)),
        window_size(1280, 720),
        current_page(PageType::EXIT),
        image_index(0)
    {
        disp = XOpenDisplay(NULL);
        if (!disp)
            throw std::runtime_error("Failed to open display to X11 server");

        resources_root = "/usr/share/quickmedia/";
        if(get_file_type("../../../images/manganelo_logo.png") == FileType::REGULAR) {
            resources_root = "../../../";
        }

        const std::string noto_sans_directories[] = {
            "/usr/share/fonts/noto", "/usr/share/fonts/truetype/noto",
            "/usr/share/fonts/noto-cjk", "/usr/share/fonts/truetype/noto-cjk"
        };
        for(const std::string &noto_sans_dir : noto_sans_directories) {
            if(!font) {
                auto new_font = std::make_unique<sf::Font>();
                if(new_font->loadFromFile(noto_sans_dir + "/NotoSans-Regular.ttf"))
                    font = std::move(new_font);
            }

            if(!bold_font) {
                auto new_font = std::make_unique<sf::Font>();
                if(new_font->loadFromFile(noto_sans_dir + "/NotoSans-Bold.ttf"))
                    bold_font = std::move(new_font);
            }

            if(!cjk_font) {
                auto new_font = std::make_unique<sf::Font>();
                if(new_font->loadFromFile(noto_sans_dir + "/NotoSansCJK-Regular.ttc"))
                    cjk_font = std::move(new_font);
            }
        }

        if(!font) {
            fprintf(stderr, "Failed to find NotoSans-Regular.ttf in /usr/share/fonts/noto and /usr/share/fonts/truetype/noto\n");
            abort();
        }

        if(!bold_font) {
            fprintf(stderr, "Failed to find NotoSans-Bold.ttf in /usr/share/fonts/noto and /usr/share/fonts/truetype/noto\n");
            abort();
        }

        if(!cjk_font) {
            fprintf(stderr, "Failed to find NotoSansCJK-Regular.ttc in /usr/share/fonts/noto and /usr/share/fonts/truetype/noto\n");
            abort();
        }

        struct sigaction action;
        action.sa_handler = sigpipe_handler;
        sigemptyset(&action.sa_mask);
        action.sa_flags = 0;
        sigaction(SIGPIPE, &action, NULL);

        XSetErrorHandler(x_error_handler);
        XSetIOErrorHandler(x_io_error_handler);

        window.setFramerateLimit(0);
        monitor_hz = get_monitor_max_hz(disp);
        if(enable_vsync(disp, window.getSystemHandle())) {
            vsync_set = true;
        } else {
            fprintf(stderr, "Failed to enable vsync, fallback to frame limiting\n");
            window.setFramerateLimit(monitor_hz);
        }
        fprintf(stderr, "Monitor hz: %d\n", monitor_hz);

        if(create_directory_recursive(get_cache_dir().join("thumbnails")) != 0) {
            fprintf(stderr, "Failed to create thumbnails directory\n");
        }
    }

    Program::~Program() {
        if(upscale_image_action != UpscaleImageAction::NO && running) {
            running = false;
            {
                std::unique_lock<std::mutex> lock(image_upscale_mutex);
                image_upscale_cv.notify_one();
            }
            image_upscale_thead.join();
        } else {
            running = false;
        }
        if(matrix)
            delete matrix;
        if(disp)
            XCloseDisplay(disp);
    }

    static void usage() {
        fprintf(stderr, "usage: QuickMedia <plugin> [--tor] [--no-video] [--use-system-mpv-config] [--dir <directory>]\n");
        fprintf(stderr, "OPTIONS:\n");
        fprintf(stderr, "  plugin                      The plugin to use. Should be either 4chan, manganelo, mangatown, mangadex, pornhub, youtube, nyaa.si, matrix, file-manager\n");
        fprintf(stderr, "  --no-video                  Only play audio when playing a video. Disabled by default\n");
        fprintf(stderr, "  --tor                       Use tor. Disabled by default\n");
        fprintf(stderr, "  --use-system-mpv-config     Use system mpv config instead of no config. Disabled by default\n");
        fprintf(stderr, "  --upscale-images            Upscale low-resolution manga pages using waifu2x-ncnn-vulkan. Disabled by default\n");
        fprintf(stderr, "  --upscale-images-force      Upscale manga pages using waifu2x-ncnn-vulkan, no matter what the original image resolution is. Disabled by default\n");
        fprintf(stderr, "  --dir                       Set the start directory when using file-manager\n");
        fprintf(stderr, "EXAMPLES:\n");
        fprintf(stderr, "QuickMedia manganelo\n");
        fprintf(stderr, "QuickMedia youtube --tor\n");
    }

    static bool is_manga_plugin(const char *plugin_name) {
        return strcmp(plugin_name, "manganelo") == 0 || strcmp(plugin_name, "mangatown") == 0 || strcmp(plugin_name, "mangadex") == 0;
    }

    int Program::run(int argc, char **argv) {
        if(argc < 2) {
            usage();
            return -1;
        }

        std::string plugin_logo_path;
        const char *start_dir = nullptr;
        std::vector<Tab> tabs;

        for(int i = 1; i < argc; ++i) {
            if(!plugin_name) {
                if(strcmp(argv[i], "manganelo") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/manganelo_logo.png";
                } else if(strcmp(argv[i], "mangatown") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/mangatown_logo.png";
                } else if(strcmp(argv[i], "mangadex") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/mangadex_logo.png";
                } else if(strcmp(argv[i], "youtube") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/yt_logo_rgb_dark_small.png";
                } else if(strcmp(argv[i], "pornhub") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/pornhub_logo.png";
                    plugin_name = argv[i];
                } else if(strcmp(argv[i], "4chan") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/4chan_logo.png";
                } else if(strcmp(argv[i], "nyaa.si") == 0) {
                    plugin_name = argv[i];
                    plugin_logo_path = resources_root + "images/nyaa_si_logo.png";
                } else if(strcmp(argv[i], "matrix") == 0) {
                    plugin_name = argv[i];
                    matrix = new Matrix();
                    plugin_logo_path = resources_root + "images/matrix_logo.png";
                } else if(strcmp(argv[i], "file-manager") == 0) {
                    plugin_name = argv[i];
                }
            }

            if(strcmp(argv[i], "--tor") == 0) {
                use_tor = true;
            } else if(strcmp(argv[i], "--no-video") == 0) {
                no_video = true;
            } else if(strcmp(argv[i], "--use-system-mpv-config") == 0) {
                use_system_mpv_config = true;
            } else if(strcmp(argv[i], "--upscale-images") == 0) {
                upscale_image_action = UpscaleImageAction::LOW_RESOLUTION;
            } else if(strcmp(argv[i], "--upscale-images-force") == 0) {
                upscale_image_action = UpscaleImageAction::FORCE;
            } else if(strcmp(argv[i], "--dir") == 0) {
                if(i < argc - 1) {
                    start_dir = argv[i + 1];
                    ++i;
                } else {
                    fprintf(stderr, "Missing directory after --dir argument\n");
                    usage();
                    return -1;
                }
            } else if(argv[i][0] == '-') {
                fprintf(stderr, "Invalid option %s\n", argv[i]);
                usage();
                return -1;
            }
        }

        if(!plugin_name) {
            fprintf(stderr, "Missing plugin argument\n");
            usage();
            return -1;
        }

        if(use_tor && !is_program_executable_by_name("torsocks")) {
            fprintf(stderr, "torsocks needs to be installed (and accessible from PATH environment variable) when using the --tor option\n");
            return -2;
        }

        if(upscale_image_action != UpscaleImageAction::NO) {
            if(!is_manga_plugin(plugin_name)) {
                fprintf(stderr, "Option --upscale-images/-upscale-images-force is only valid for manganelo, mangatown and mangadex\n");
                return -2;
            }

            if(!is_program_executable_by_name("waifu2x-ncnn-vulkan")) {
                fprintf(stderr, "waifu2x-ncnn-vulkan needs to be installed (and accessible from PATH environment variable) when using the --upscale-images/--upscale-images-force option\n");
                return -2;
            }

            running = true;
            image_upscale_thead = std::thread([this]{
                CopyOp copy_op;
                while(running) {
                    {
                        std::unique_lock<std::mutex> lock(image_upscale_mutex);
                        while(images_to_upscale.empty() && running) image_upscale_cv.wait(lock);
                        if(!running)
                            break;
                        copy_op = images_to_upscale.front();
                        images_to_upscale.pop_front();
                    }

                    Path tmp_file = copy_op.source;
                    tmp_file.append(".tmp.png");

                    fprintf(stderr, "Upscaling %s\n", copy_op.source.data.c_str());
                    const char *args[] = { "waifu2x-ncnn-vulkan", "-i", copy_op.source.data.c_str(), "-o", tmp_file.data.c_str(), nullptr };
                    if(exec_program(args, nullptr, nullptr) != 0) {
                        fprintf(stderr, "Warning: failed to upscale %s with waifu2x-ncnn-vulkan\n", copy_op.source.data.c_str());
                        // No conversion, but we need the file to have the destination name to see that the operation completed (and read it)
                        if(rename(copy_op.source.data.c_str(), copy_op.destination.data.c_str()) != 0)
                            perror(tmp_file.data.c_str());
                        continue;
                    }

                    if(rename(tmp_file.data.c_str(), copy_op.destination.data.c_str()) != 0)
                        perror(tmp_file.data.c_str());

                    copy_op.destination.append(".upscaled");
                    file_overwrite(copy_op.destination.data.c_str(), "1");
                }
            });
        } else {
            running = true;
        }

        if(strcmp(plugin_name, "file-manager") != 0 && start_dir) {
            fprintf(stderr, "Option --dir is only valid with file-manager\n");
            usage();
            return -1;
        }

        window.setTitle("QuickMedia - " + std::string(plugin_name));

        if(!plugin_logo_path.empty()) {
            if(!plugin_logo.loadFromFile(plugin_logo_path)) {
                fprintf(stderr, "Failed to load plugin logo, path: %s\n", plugin_logo_path.c_str());
                return -2;
            }
            plugin_logo.generateMipmap();
            plugin_logo.setSmooth(true);
        }

        if(strcmp(plugin_name, "manganelo") == 0) {
            auto search_body = create_body();
            search_body->draw_thumbnails = true;
            tabs.push_back(Tab{std::move(search_body), std::make_unique<ManganeloSearchPage>(this), create_search_bar("Search...", 200)});

            auto history_body = create_body();
            manga_get_watch_history(plugin_name, history_body->items);
            tabs.push_back(Tab{std::move(history_body), std::make_unique<HistoryPage>(this, tabs.front().page.get()), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "mangatown") == 0) {
            auto search_body = create_body();
            search_body->draw_thumbnails = true;
            tabs.push_back(Tab{std::move(search_body), std::make_unique<MangatownSearchPage>(this), create_search_bar("Search...", 200)});

            auto history_body = create_body();
            manga_get_watch_history(plugin_name, history_body->items);
            tabs.push_back(Tab{std::move(history_body), std::make_unique<HistoryPage>(this, tabs.front().page.get()), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "mangadex") == 0) {
            auto search_body = create_body();
            search_body->draw_thumbnails = true;
            tabs.push_back(Tab{std::move(search_body), std::make_unique<MangadexSearchPage>(this), create_search_bar("Search...", 300)});

            auto history_body = create_body();
            manga_get_watch_history(plugin_name, history_body->items);
            tabs.push_back(Tab{std::move(history_body), std::make_unique<HistoryPage>(this, tabs.front().page.get()), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "nyaa.si") == 0) {
            auto category_page = std::make_unique<NyaaSiCategoryPage>(this);
            auto categories_body = create_body();
            category_page->get_categories(categories_body->items);
            tabs.push_back(Tab{std::move(categories_body), std::move(category_page), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "4chan") == 0) {
            auto boards_page = std::make_unique<FourchanBoardsPage>(this, resources_root);
            auto boards_body = create_body();
            boards_page->get_boards(boards_body->items);
            tabs.push_back(Tab{std::move(boards_body), std::move(boards_page), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "file-manager") == 0) {
            auto file_manager_page = std::make_unique<FileManagerPage>(this);
            if(start_dir && !file_manager_page->set_current_directory(start_dir)) {
                fprintf(stderr, "Invalid directory provided with --dir: %s\n", start_dir);
                return -3;
            }
            auto file_manager_body = create_body();
            file_manager_page->get_files_in_directory(file_manager_body->items);
            tabs.push_back(Tab{std::move(file_manager_body), std::move(file_manager_page), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "youtube") == 0) {
            auto search_body = create_body();
            search_body->draw_thumbnails = true;
            tabs.push_back(Tab{std::move(search_body), std::make_unique<YoutubeSearchPage>(this), create_search_bar("Search...", 350)});

            auto history_body = create_body();
            history_body->draw_thumbnails = true;
            youtube_get_watch_history(history_body->items);
            tabs.push_back(Tab{std::move(history_body), std::make_unique<HistoryPage>(this, tabs.front().page.get()), create_search_bar("Search...", SEARCH_DELAY_FILTER)});

            auto recommended_body = create_body();
            recommended_body->draw_thumbnails = true;
            fill_recommended_items_from_json(plugin_name, load_recommended_json(), recommended_body->items);
            tabs.push_back(Tab{std::move(recommended_body), std::make_unique<RecommendedPage>(this, tabs.front().page.get()), create_search_bar("Search...", SEARCH_DELAY_FILTER)});
        } else if(strcmp(plugin_name, "pornhub") == 0) {
            auto search_body = create_body();
            search_body->draw_thumbnails = true;
            tabs.push_back(Tab{std::move(search_body), std::make_unique<PornhubSearchPage>(this), create_search_bar("Search...", 500)});
        }

        if(!tabs.empty()) {
            page_loop(std::move(tabs));
            return exit_code;
        }

        if(matrix) {
            matrix->use_tor = use_tor;
            if(matrix->load_and_verify_cached_session() == PluginResult::OK) {
                current_page = PageType::CHAT;
            } else {
                fprintf(stderr, "Failed to load session cache, redirecting to login page\n");
                current_page = PageType::CHAT_LOGIN;
            }

            while(window.isOpen()) {
                switch(current_page) {
                    case PageType::CHAT_LOGIN:
                        chat_login_page();
                        break;
                    case PageType::CHAT:
                        chat_page();
                        break;
                    default:
                        window.close();
                        break;
                }
            }
        }

        return exit_code;
    }

    void Program::base_event_handler(sf::Event &event, PageType previous_page, Body *body, SearchBar *search_bar, bool handle_keypress, bool handle_searchbar) {
        if (event.type == sf::Event::Closed) {
            current_page = PageType::EXIT;
            window.close();
        } else if(event.type == sf::Event::Resized) {
            window_size.x = event.size.width;
            window_size.y = event.size.height;
            sf::FloatRect visible_area(0, 0, window_size.x, window_size.y);
            window.setView(sf::View(visible_area));
        } else if(handle_keypress && event.type == sf::Event::KeyPressed) {
            if(event.key.code == sf::Keyboard::Up) {
                body->select_previous_item();
            } else if(event.key.code == sf::Keyboard::Down) {
                body->select_next_item();
            } else if(event.key.code == sf::Keyboard::PageUp) {
                body->select_previous_page();
            } else if(event.key.code == sf::Keyboard::PageDown) {
                body->select_next_page();
            } else if(event.key.code == sf::Keyboard::Home) {
                body->select_first_item();
            } else if(event.key.code == sf::Keyboard::End) {
                body->select_last_item();
            } else if(event.key.code == sf::Keyboard::Escape) {
                current_page = previous_page;
            }
        } else if(handle_searchbar) {
            assert(search_bar);
            if(event.type == sf::Event::TextEntered)
                search_bar->onTextEntered(event.text.unicode);
            search_bar->on_event(event);
        }
    }

    static std::string base64_encode(const std::string &data) {
        return base64_url::encode(data);
    }

    static std::string base64_decode(const std::string &data) {
        return base64_url::decode<std::string>(data);
    }

    enum class SearchSuggestionTab {
        ALL,
        HISTORY,
        RECOMMENDED,
        LOGIN
    };

    // Returns relative time as a string (approximation)
    static std::string timestamp_to_relative_time_str(time_t seconds) {
        time_t minutes = seconds / 60;
        time_t hours = minutes / 60;
        time_t days = hours / 24;
        time_t months = days / 30;
        time_t years = days / 365;

        if(years >= 1)
            return std::to_string(years) + " year" + (years == 1 ? "" : "s") + " ago";
        else if(months >= 1)
            return std::to_string(months) + " month" + (months == 1 ? "" : "s") + " ago";
        else if(days >= 1)
            return std::to_string(days) + " day" + (days == 1 ? "" : "s") + " ago";
        else if(hours >= 1)
            return std::to_string(hours) + " hour" + (hours == 1 ? "" : "s") + " ago";
        else if(minutes >= 1)
            return std::to_string(minutes) + " minute" + (minutes == 1 ? "" : "s") + " ago";
        else
            return std::to_string(seconds) + " second" + (seconds == 1 ? "" : "s") + " ago";
    }

    // TODO: Make asynchronous
    static void fill_history_items_from_json(const Json::Value &history_json, BodyItems &history_items) {
        assert(history_json.isArray());

        BodyItems body_items;

        time_t time_now = time(NULL);
        for(const Json::Value &item : history_json) {
            if(!item.isObject())
                continue;

            const Json::Value &video_id = item["id"];
            if(!video_id.isString())
                continue;
            std::string video_id_str = video_id.asString();

            const Json::Value &title = item["title"];
            if(!title.isString())
                continue;
            std::string title_str = title.asString();

            const Json::Value &timestamp = item["timestamp"];
            if(!timestamp.isNumeric())
                continue;

            auto body_item = BodyItem::create(std::move(title_str));
            body_item->url = "https://www.youtube.com/watch?v=" + video_id_str;
            body_item->thumbnail_url = "https://img.youtube.com/vi/" + video_id_str + "/hqdefault.jpg";
            body_item->set_description(timestamp_to_relative_time_str(std::max(0l, time_now - timestamp.asInt64())));
            body_items.push_back(std::move(body_item));
        }

        for(auto it = body_items.rbegin(), end = body_items.rend(); it != end; ++it) {
            history_items.push_back(std::move(*it));
        }
    }

    static Path get_video_history_filepath(const char *plugin_name) {
        Path video_history_dir = get_storage_dir().join("history");
        if(create_directory_recursive(video_history_dir) != 0) {
            std::string err_msg = "Failed to create video history directory ";
            err_msg += video_history_dir.data;
            show_notification("Video player", err_msg.c_str(), Urgency::CRITICAL);
            exit(1);
        }

        Path video_history_filepath = video_history_dir;
        return video_history_filepath.join(plugin_name).append(".json");
    }

    // This is not cached because we could have multiple instances of QuickMedia running the same plugin!
    // TODO: Find a way to optimize this
    Json::Value Program::load_video_history_json() {
        Path video_history_filepath = get_video_history_filepath(plugin_name);
        Json::Value json_result;
        if(!read_file_as_json(video_history_filepath, json_result) || !json_result.isArray())
            json_result = Json::Value(Json::arrayValue);
        return json_result;
    }

    // This is not cached because we could have multiple instances of QuickMedia running the same plugin!
    // TODO: Find a way to optimize this
    Json::Value Program::load_recommended_json() {
        Path recommended_filepath = get_recommended_filepath(plugin_name);
        Json::Value json_result;
        if(!read_file_as_json(recommended_filepath, json_result) || !json_result.isObject())
            json_result = Json::Value(Json::objectValue);
        return json_result;
    }

    void Program::manga_get_watch_history(const char *plugin_name, BodyItems &history_items) {
        // TOOD: Make generic, instead of checking for plugin
        Path content_storage_dir = get_storage_dir().join(plugin_name);
        if(create_directory_recursive(content_storage_dir) != 0) {
            show_notification("Storage", "Failed to create directory: " + content_storage_dir.data, Urgency::CRITICAL);
            exit(1);
        }
        Path credentials_storage_dir = get_storage_dir().join("credentials");
        if(create_directory_recursive(credentials_storage_dir) != 0) {
            show_notification("Storage", "Failed to create directory: " + credentials_storage_dir.data, Urgency::CRITICAL);
            exit(1);
        }
        // TODO: Make asynchronous
        for_files_in_dir_sort_last_modified(content_storage_dir, [&history_items, plugin_name](const std::filesystem::path &filepath) {
            // This can happen when QuickMedia crashes/is killed while writing to storage.
            // In that case, the storage wont be corrupt but there will be .tmp files.
            // TODO: Remove these .tmp files if they exist during startup
            if(filepath.extension() == ".tmp")
                return true;

            Path fullpath(filepath.c_str());
            Json::Value body;
            if(!read_file_as_json(fullpath, body) || !body.isObject()) {
                fprintf(stderr, "Failed to read json file: %s\n", fullpath.data.c_str());
                return true;
            }

            auto filename = filepath.filename();
            const Json::Value &manga_name = body["name"];
            if(!filename.empty() && manga_name.isString()) {
                // TODO: Add thumbnail
                auto body_item = BodyItem::create(manga_name.asString());
                if(strcmp(plugin_name, "manganelo") == 0)
                    body_item->url = "https://manganelo.com/manga/" + base64_decode(filename.string());
                else if(strcmp(plugin_name, "mangadex") == 0)
                    body_item->url = "https://mangadex.org/title/" + base64_decode(filename.string());
                else if(strcmp(plugin_name, "mangatown") == 0)
                    body_item->url = "https://mangatown.com/manga/" + base64_decode(filename.string());
                else
                    fprintf(stderr, "Error: Not implemented: filename to manga chapter list\n");
                history_items.push_back(std::move(body_item));
            }
            return true;
        });
    }

    void Program::youtube_get_watch_history(BodyItems &history_items) {
        fill_history_items_from_json(load_video_history_json(), history_items);
    }

    static void get_body_dimensions(const sf::Vector2f &window_size, SearchBar *search_bar, sf::Vector2f &body_pos, sf::Vector2f &body_size, bool has_tabs = false) {
        float body_padding_horizontal = 25.0f;
        float body_padding_vertical = 25.0f;
        float body_width = window_size.x - body_padding_horizontal * 2.0f;
        if(body_width <= 480.0f) {
            body_width = window_size.x;
            body_padding_horizontal = 0.0f;
            body_padding_vertical = 10.0f;
        }

        float tab_h = tab_height;
        if(!has_tabs)
            tab_h = 0.0f;

        float search_bottom = search_bar ? search_bar->getBottomWithoutShadow() : 0.0f;
        body_pos = sf::Vector2f(body_padding_horizontal, search_bottom + body_padding_vertical + tab_h);
        body_size = sf::Vector2f(body_width, window_size.y - search_bottom - body_padding_vertical - tab_h);
    }

    static const float RELATED_MEDIA_WINDOW_WIDTH = 1.0f;
    static void get_related_media_body_dimensions(const sf::Vector2f &window_size, sf::Vector2f &body_pos, sf::Vector2f &body_size, float related_videos_text_height) {
        float body_padding_horizontal = 25.0f;
        float body_padding_vertical = 25.0f;
        float body_width = (window_size.x * RELATED_MEDIA_WINDOW_WIDTH) - body_padding_horizontal * 2.0f;
        if(body_width <= 480.0f) {
            body_width = (window_size.x * RELATED_MEDIA_WINDOW_WIDTH);
            body_padding_horizontal = 0.0f;
            body_padding_vertical = 10.0f;
        }

        body_pos = sf::Vector2f(body_padding_horizontal, body_padding_vertical + related_videos_text_height);
        body_size = sf::Vector2f(body_width, window_size.y - body_padding_vertical - related_videos_text_height);
    }

    class LoginTab {
    public:
        LoginTab(sf::Font &font) :
            username(std::make_unique<SearchBar>(font, nullptr, "Token...")),
            password(std::make_unique<SearchBar>(font, nullptr, "PIN...", true))
        {
            
        }
        std::unique_ptr<SearchBar> username;
        std::unique_ptr<SearchBar> password;
    };

    bool Program::is_tor_enabled() {
        return use_tor;
    }

    std::unique_ptr<Body> Program::create_body() {
        return std::make_unique<Body>(this, font.get(), bold_font.get(), cjk_font.get());
    }

    std::unique_ptr<SearchBar> Program::create_search_bar(const std::string &placeholder, int search_delay) {
        auto search_bar = std::make_unique<SearchBar>(*font, &plugin_logo, placeholder);
        search_bar->text_autosearch_delay = search_delay;
        return search_bar;
    }

    bool Program::load_manga_content_storage(const char *service_name, const std::string &manga_title, const std::string &manga_id) {
        Path content_storage_dir = get_storage_dir().join(service_name);
        manga_id_base64 = base64_encode(manga_id);
        content_storage_file = content_storage_dir.join(manga_id_base64);
        content_storage_json.clear();
        content_storage_json["name"] = manga_title;
        FileType file_type = get_file_type(content_storage_file);
        if(file_type == FileType::REGULAR) {
            if(read_file_as_json(content_storage_file, content_storage_json) && content_storage_json.isObject())
                return true;
            return false;
        } else {
            return true;
        }
    }

    void Program::select_file(const std::string &filepath) {
        puts(filepath.c_str());
        selected_files.push_back(filepath);
    }

    void Program::page_loop(std::vector<Tab> tabs) {
        if(tabs.empty()) {
            show_notification("QuickMedia", "No tabs provided!", Urgency::CRITICAL);
            return;
        }

        const Json::Value *json_chapters = &Json::Value::nullSingleton();
        if(content_storage_json.isObject()) {
            const Json::Value &chapters_json = content_storage_json["chapters"];
            if(chapters_json.isObject())
                json_chapters = &chapters_json;
        }

        struct TabAssociatedData {
            std::string update_search_text;
            bool search_text_updated = false;
            bool search_running = false;
            bool typing = false;
            bool fetching_next_page_running = false;
            int fetched_page = 0;
            sf::Text search_result_text;
            std::future<BodyItems> search_future;
            std::future<BodyItems> next_page_future;
        };

        std::vector<TabAssociatedData> tab_associated_data;
        for(size_t i = 0; i < tabs.size(); ++i) {
            TabAssociatedData data;
            data.search_result_text = sf::Text("", *font, 30);
            tab_associated_data.push_back(std::move(data));
        }

        //std::string autocomplete_text;
        //bool autocomplete_running = false;

        double gradient_inc = 0.0;
        const float gradient_height = 5.0f;
        sf::Vertex gradient_points[4];

        sf::Text tab_text("", *font, tab_text_size);
        int selected_tab = 0;

        bool loop_running = true;
        bool redraw = true;

        auto submit_handler = [this, &tabs, &selected_tab, &loop_running, &redraw]() {
            BodyItem *selected_item = tabs[selected_tab].body->get_selected();
            if(!selected_item)
                return;
            
            std::vector<Tab> new_tabs;
            PluginResult submit_result = tabs[selected_tab].page->submit(selected_item->get_title(), selected_item->url, new_tabs);
            if(submit_result == PluginResult::OK) {
                if(tabs[selected_tab].page->is_single_page()) {
                    tabs[selected_tab].search_bar->clear();
                    if(new_tabs.size() == 1)
                        tabs[selected_tab].body = std::move(new_tabs[0].body);
                    else
                        loop_running = false;
                    return;
                }

                if(new_tabs.empty())
                    return;

                for(Tab &tab : tabs) {
                    tab.body->clear_cache();
                }

                if(new_tabs.size() == 1 && new_tabs[0].page->is_manga_images_page()) {
                    select_episode(selected_item, false);
                    Body *chapters_body = tabs[selected_tab].body.get();
                    chapters_body->filter_search_fuzzy(""); // Needed (or not really) to go to the next chapter when reaching the last page of a chapter
                    MangaImagesPage *manga_images_page = static_cast<MangaImagesPage*>(new_tabs[0].page.get());
                    window.setKeyRepeatEnabled(false);
                    while(true) {
                        if(current_page == PageType::IMAGES) {
                            window.setFramerateLimit(20);
                            while(current_page == PageType::IMAGES) {
                                int page_navigation = image_page(manga_images_page, chapters_body);
                                if(page_navigation == -1) {
                                    // TODO: Make this work if the list is sorted differently than from newest to oldest.
                                    chapters_body->select_next_item();
                                    select_episode(chapters_body->get_selected(), true);
                                    image_index = 99999; // Start at the page that shows we are at the end of the chapter
                                    manga_images_page->change_chapter(chapters_body->get_selected()->get_title(), chapters_body->get_selected()->url);
                                } else if(page_navigation == 1) {
                                    // TODO: Make this work if the list is sorted differently than from newest to oldest.
                                    chapters_body->select_previous_item();
                                    select_episode(chapters_body->get_selected(), true);
                                    manga_images_page->change_chapter(chapters_body->get_selected()->get_title(), chapters_body->get_selected()->url);
                                }
                            }
                            if(vsync_set)
                                window.setFramerateLimit(0);
                            else
                                window.setFramerateLimit(monitor_hz);
                        } else if(current_page == PageType::IMAGES_CONTINUOUS) {
                            image_continuous_page(manga_images_page);
                        } else {
                            break;
                        }
                    }
                    window.setKeyRepeatEnabled(true);
                    redraw = true;
                } else if(new_tabs.size() == 1 && new_tabs[0].page->is_image_board_thread_page()) {
                    current_page = PageType::IMAGE_BOARD_THREAD;
                    image_board_thread_page(static_cast<ImageBoardThreadPage*>(new_tabs[0].page.get()), new_tabs[0].body.get());
                    redraw = true;
                } else if(new_tabs.size() == 1 && new_tabs[0].page->is_video_page()) {
                    current_page = PageType::VIDEO_CONTENT;
                    video_content_page(new_tabs[0].page.get(), selected_item->url, selected_item->get_title());
                    redraw = true;
                } else {
                    page_loop(std::move(new_tabs));
                }
            } else {
                // TODO: Show the exact cause of error (get error message from curl).
                // TODO: Make asynchronous
                show_notification("QuickMedia", std::string("Submit failed for page ") + tabs[selected_tab].page->get_title(), Urgency::CRITICAL);
            }
        };

        for(size_t i = 0; i < tabs.size(); ++i) {
            Tab &tab = tabs[i];
            TabAssociatedData &associated_data = tab_associated_data[i];
            if(!tab.search_bar)
                continue;

            // tab.search_bar->autocomplete_search_delay = current_plugin->get_autocomplete_delay();
            // tab.search_bar->onAutocompleteRequestCallback = [this, &tabs, &selected_tab, &autocomplete_text](const std::string &text) {
            //     if(tabs[selected_tab].body == body && !current_plugin->search_is_filter())
            //         autocomplete_text = text;
            // };

            tab.search_bar->onTextUpdateCallback = [&associated_data, &tabs, i](const std::string &text) {
                if(!tabs[i].page->search_is_filter()) {
                    associated_data.update_search_text = text;
                    associated_data.search_text_updated = true;
                } else {
                    tabs[i].body->filter_search_fuzzy(text);
                    tabs[i].body->select_first_item();
                }
                associated_data.typing = false;
            };

            tab.search_bar->onTextSubmitCallback = [&submit_handler, &associated_data](const std::string&) {
                if(associated_data.typing)
                    return;
                submit_handler();
            };
        }

        sf::Vector2f body_pos;
        sf::Vector2f body_size;
        sf::Event event;
        
        const float tab_spacer_height = 0.0f;

        sf::RectangleShape tab_shade;
        tab_shade.setFillColor(sf::Color(33, 38, 44));

        sf::RoundedRectangleShape tab_background(sf::Vector2f(1.0f, 1.0f), 10.0f, 10);
        tab_background.setFillColor(tab_selected_color);

        sf::Clock frame_timer;

        while (window.isOpen() && loop_running) {
            sf::Int32 frame_time_ms = frame_timer.restart().asMilliseconds();

            while (window.pollEvent(event)) {
                if (event.type == sf::Event::Closed) {
                    window.close();
                } else if(event.type == sf::Event::Resized) {
                    window_size.x = event.size.width;
                    window_size.y = event.size.height;
                    sf::FloatRect visible_area(0, 0, window_size.x, window_size.y);
                    window.setView(sf::View(visible_area));
                }

                if(tabs[selected_tab].search_bar) {
                    if(event.type == sf::Event::TextEntered)
                        tabs[selected_tab].search_bar->onTextEntered(event.text.unicode);
                    tabs[selected_tab].search_bar->on_event(event);
                }

                if(event.type == sf::Event::Resized || event.type == sf::Event::GainedFocus)
                    redraw = true;
                else if(event.type == sf::Event::KeyPressed) {
                    if(event.key.code == sf::Keyboard::Down || event.key.code == sf::Keyboard::PageDown || event.key.code == sf::Keyboard::End) {
                        bool hit_bottom = false;
                        switch(event.key.code) {
                            case sf::Keyboard::Down:
                                hit_bottom = !tabs[selected_tab].body->select_next_item();
                                break;
                            case sf::Keyboard::PageDown:
                                hit_bottom = !tabs[selected_tab].body->select_next_page();
                                break;
                            case sf::Keyboard::End:
                                tabs[selected_tab].body->select_last_item();
                                hit_bottom = true;
                                break;
                            default:
                                hit_bottom = false;
                                break;
                        }
                        if(hit_bottom && !tab_associated_data[selected_tab].search_running && !tab_associated_data[selected_tab].fetching_next_page_running && tabs[selected_tab].page) {
                            gradient_inc = 0.0;
                            tab_associated_data[selected_tab].fetching_next_page_running = true;
                            int next_page = tab_associated_data[selected_tab].fetched_page + 1;
                            Page *page = tabs[selected_tab].page.get();
                            std::string update_search_text = tab_associated_data[selected_tab].update_search_text;
                            tab_associated_data[selected_tab].next_page_future = std::async(std::launch::async, [update_search_text, next_page, page]() {
                                BodyItems result_items;
                                if(page->get_page(update_search_text, next_page, result_items) != PluginResult::OK)
                                    fprintf(stderr, "Failed to get next page (page %d)\n", next_page);
                                return result_items;
                            });
                        }
                    } else if(event.key.code == sf::Keyboard::Up) {
                        tabs[selected_tab].body->select_previous_item();
                    } else if(event.key.code == sf::Keyboard::PageUp) {
                        tabs[selected_tab].body->select_previous_page();
                    } else if(event.key.code == sf::Keyboard::Home) {
                        tabs[selected_tab].body->select_first_item();
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        goto page_end;
                    } else if(event.key.code == sf::Keyboard::Left) {
                        if(selected_tab > 0) {
                            tabs[selected_tab].body->clear_cache();
                            --selected_tab;
                            redraw = true;
                        }
                    } else if(event.key.code == sf::Keyboard::Right) {
                        if(selected_tab < (int)tabs.size() - 1) {
                            tabs[selected_tab].body->clear_cache();
                            ++selected_tab;
                            redraw = true;
                        }
                    } else if(event.key.code == sf::Keyboard::Tab) {
                        if(tabs[selected_tab].search_bar) tabs[selected_tab].search_bar->set_to_autocomplete();
                    } else if(event.key.code == sf::Keyboard::Enter) {
                        if(!tabs[selected_tab].search_bar) submit_handler();
                    } else if(event.key.code == sf::Keyboard::T && event.key.control) {
                        BodyItem *selected_item = tabs[selected_tab].body->get_selected();
                        if(selected_item && tabs[selected_tab].page && tabs[selected_tab].page->is_trackable()) {
                            TrackablePage *trackable_page = static_cast<TrackablePage*>(tabs[selected_tab].page.get());
                            TrackResult track_result = trackable_page->track(selected_item->get_title());
                            // TODO: Show proper error message when this fails. For example if we are already tracking the manga
                            if(track_result == TrackResult::OK) {
                                show_notification("Media tracker", "You are now tracking \"" + trackable_page->content_title + "\" after \"" + selected_item->get_title() + "\"", Urgency::LOW);
                            } else {
                                show_notification("Media tracker", "Failed to track media \"" + trackable_page->content_title + "\", chapter: \"" + selected_item->get_title() + "\"", Urgency::CRITICAL);
                            }
                        }
                    }
                }
            }

            if(redraw) {
                redraw = false;
                if(tabs[selected_tab].search_bar) tabs[selected_tab].search_bar->onWindowResize(window_size);
                // TODO: Dont show tabs if there is only one tab
                get_body_dimensions(window_size, tabs[selected_tab].search_bar.get(), body_pos, body_size, true);

                gradient_points[0].position.x = 0.0f;
                gradient_points[0].position.y = window_size.y - gradient_height;

                gradient_points[1].position.x = window_size.x;
                gradient_points[1].position.y = window_size.y - gradient_height;

                gradient_points[2].position.x = window_size.x;
                gradient_points[2].position.y = window_size.y;

                gradient_points[3].position.x = 0.0f;
                gradient_points[3].position.y = window_size.y;
            }

            if(tabs[selected_tab].search_bar) tabs[selected_tab].search_bar->update();

            for(size_t i = 0; i < tabs.size(); ++i) {
                TabAssociatedData &associated_data = tab_associated_data[i];

                if(associated_data.fetching_next_page_running && associated_data.next_page_future.valid() && associated_data.next_page_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                    BodyItems new_body_items = associated_data.next_page_future.get();
                    fprintf(stderr, "Finished fetching page %d, num new messages: %zu\n", associated_data.fetched_page + 1, new_body_items.size());
                    size_t num_new_messages = new_body_items.size();
                    if(num_new_messages > 0) {
                        tabs[i].body->append_items(std::move(new_body_items));
                        associated_data.fetched_page++;
                    }
                    associated_data.fetching_next_page_running = false;
                }

                if(associated_data.search_text_updated && !associated_data.search_running && !associated_data.fetching_next_page_running) {
                    Page *page = tabs[i].page.get();
                    std::string update_search_text = associated_data.update_search_text;
                    associated_data.search_future = std::async(std::launch::async, [update_search_text, page]() {
                        BodyItems result_items;
                        if(page->search(update_search_text, result_items) != SearchResult::OK) {
                            show_notification("QuickMedia", "Search failed!", Urgency::CRITICAL);
                        }
                        return result_items;
                    });
                    update_search_text.clear();
                    associated_data.search_text_updated = false;
                    associated_data.search_running = true;
                    associated_data.search_result_text.setString("Searching...");
                }

                if(associated_data.search_running && associated_data.search_future.valid() && associated_data.search_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                    if(!associated_data.search_text_updated) {
                        BodyItems result_items = associated_data.search_future.get();
                        tabs[i].body->items = std::move(result_items);
                        tabs[i].body->select_first_item();
                        associated_data.fetched_page = 0;
                        if(tabs[i].body->items.empty())
                            associated_data.search_result_text.setString("No results found");
                        else
                            associated_data.search_result_text.setString("");
                    } else {
                        associated_data.search_future.get();
                    }
                    associated_data.search_running = false;
                }
            }

            // if(!autocomplete_text.empty() && !autocomplete_running) {
            //     autocomplete_future = std::async(std::launch::async, [this, autocomplete_text]() {
            //         return current_plugin->autocomplete_search(autocomplete_text);
            //     });
            //     autocomplete_text.clear();
            //     autocomplete_running = true;
            // }

            // if(autocomplete_running && autocomplete_future.valid() && autocomplete_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
            //     if(tabs[selected_tab].search_bar) tabs[selected_tab].search_bar->set_autocomplete_text(autocomplete_future.get());
            //     autocomplete_running = false;
            // }

            window.clear(back_color);
            if(tabs[selected_tab].search_bar) tabs[selected_tab].search_bar->draw(window, false);

            {
                float shade_extra_height = 0.0f;
                if(!tabs[selected_tab].search_bar)
                    shade_extra_height = 10.0f;

                const float width_per_tab = window_size.x / tabs.size();
                tab_background.setSize(sf::Vector2f(std::floor(width_per_tab - tab_margin_x * 2.0f), tab_height));

                float tab_vertical_offset = tabs[selected_tab].search_bar ? tabs[selected_tab].search_bar->getBottomWithoutShadow() : 0.0f;
                tabs[selected_tab].body->draw(window, body_pos, body_size, *json_chapters);
                const float tab_y = tab_spacer_height + std::floor(tab_vertical_offset + tab_height * 0.5f - (tab_text_size + 5.0f) * 0.5f) + shade_extra_height;

                tab_shade.setPosition(0.0f, tab_spacer_height + std::floor(tab_vertical_offset));
                tab_shade.setSize(sf::Vector2f(window_size.x, shade_extra_height + tab_height + 10.0f));
                window.draw(tab_shade);

                int i = 0;
                // TODO: Dont show tabs if there is only one tab
                for(Tab &tab : tabs) {
                    if(i == selected_tab) {
                        tab_background.setPosition(std::floor(i * width_per_tab + tab_margin_x), tab_spacer_height + std::floor(tab_vertical_offset) + shade_extra_height);
                        window.draw(tab_background);
                    }
                    const float center = (i * width_per_tab) + (width_per_tab * 0.5f);
                    // TODO: Optimize. Only set once for each tab!
                    tab_text.setString(tab.page->get_title());
                    tab_text.setPosition(std::floor(center - tab_text.getLocalBounds().width * 0.5f), tab_y);
                    window.draw(tab_text);
                    ++i;
                }
            }

            if(tab_associated_data[selected_tab].fetching_next_page_running) {
                double progress = 0.5 + std::sin(std::fmod(gradient_inc, 360.0) * 0.017453292519943295 - 1.5707963267948966*0.5) * 0.5;
                gradient_inc += (frame_time_ms * 0.5);
                sf::Color bottom_color = interpolate_colors(back_color, sf::Color(175, 180, 188), progress);

                gradient_points[0].color = back_color;
                gradient_points[1].color = back_color;
                gradient_points[2].color = bottom_color;
                gradient_points[3].color = bottom_color;
                window.draw(gradient_points, 4, sf::Quads); // Note: sf::Quads doesn't work with egl
            }

            if(!tab_associated_data[selected_tab].search_result_text.getString().isEmpty()) {
                auto search_result_text_bounds = tab_associated_data[selected_tab].search_result_text.getLocalBounds();
                tab_associated_data[selected_tab].search_result_text.setPosition(
                    std::floor(body_pos.x + body_size.x * 0.5f - search_result_text_bounds.width * 0.5f),
                    std::floor(body_pos.y + body_size.y * 0.5f - search_result_text_bounds.height * 0.5f));
                window.draw(tab_associated_data[selected_tab].search_result_text);
            }

            window.display();
        }

        page_end:
        // TODO: This is needed, because you cant terminate futures without causing an exception to be thrown and its not safe anyways.
        // Need a way to solve this, we dont want to wait for a search to finish when navigating backwards
        for(TabAssociatedData &associated_data : tab_associated_data) {
            if(associated_data.next_page_future.valid())
                associated_data.next_page_future.get();
            if(associated_data.search_future.valid())
                associated_data.search_future.get();
        }
    }

    static bool youtube_url_extract_id(const std::string &youtube_url, std::string &youtube_video_id) {
        size_t index = youtube_url.find("youtube.com/watch?v=");
        if(index != std::string::npos) {
            index += 20;
            size_t end_index = youtube_url.find("&", index);
            if(end_index == std::string::npos)
                end_index = youtube_url.size();
            youtube_video_id = youtube_url.substr(index, end_index - index);
            return true;
        }

        index = youtube_url.find("youtu.be/");
        if(index != std::string::npos) {
            index += 9;
            size_t end_index = youtube_url.find("?", index);
            if(end_index == std::string::npos)
                end_index = youtube_url.size();
            youtube_video_id = youtube_url.substr(index, end_index - index);
            return true;
        }

        return false;
    }

    static int watch_history_get_item_by_id(const Json::Value &video_history_json, const char *id) {
        assert(video_history_json.isArray());

        int index = -1;
        for(const Json::Value &item : video_history_json) {
            ++index;
            if(!item.isObject())
                continue;
            
            const Json::Value &id_json = item["id"];
            if(!id_json.isString())
                continue;

            if(strcmp(id, id_json.asCString()) == 0)
                return index;
        }

        return -1;
    }

    enum class WindowFullscreenState {
        UNSET,
        SET,
        TOGGLE
    };

    static bool window_set_fullscreen(Display *display, Window window, WindowFullscreenState state) {
        Atom wm_state_atom = XInternAtom(display, "_NET_WM_STATE", False);
        Atom wm_state_fullscreen_atom = XInternAtom(display, "_NET_WM_STATE_FULLSCREEN", False);
        if(wm_state_atom == False || wm_state_fullscreen_atom == False) {
            fprintf(stderr, "Failed to fullscreen window. The window manager doesn't support fullscreening windows.\n");
            return false;
        }

        XEvent xev;
        xev.type = ClientMessage;
        xev.xclient.window = window;
        xev.xclient.message_type = wm_state_atom;
        xev.xclient.format = 32;
        xev.xclient.data.l[0] = (int)state;
        xev.xclient.data.l[1] = wm_state_fullscreen_atom;
        xev.xclient.data.l[2] = 0;
        xev.xclient.data.l[3] = 1;
        xev.xclient.data.l[4] = 0;

        if(!XSendEvent(display, XDefaultRootWindow(display), 0, SubstructureRedirectMask | SubstructureNotifyMask, &xev)) {
            fprintf(stderr, "Failed to fullscreen window\n");
            return false;
        }

        XFlush(display);
        return true;
    }

    void Program::save_recommendations_from_related_videos(const std::string &video_url, const std::string &video_title, const Body *related_media_body) {
        std::string video_id;
        if(!youtube_url_extract_id(video_url, video_id)) {
            std::string err_msg = "Failed to extract id of youtube url ";
            err_msg += video_url;
            err_msg + ", video wont be saved in recommendations";
            show_notification("Video player", err_msg.c_str(), Urgency::LOW);
            return;
        }

        Json::Value recommended_json = load_recommended_json();
        time_t time_now = time(NULL);

        Json::Value &existing_recommended_json = recommended_json[video_id];
        if(existing_recommended_json.isObject()) {
            int64_t watched_count = 0;
            Json::Value &watched_count_json = existing_recommended_json["watched_count"];
            if(watched_count_json.isNumeric())
                watched_count = watched_count_json.asInt64();
            existing_recommended_json["watched_count"] = watched_count + 1;
            existing_recommended_json["watched_timestamp"] = time_now;
        } else {
            Json::Value new_content_object(Json::objectValue);
            new_content_object["title"] = video_title;
            new_content_object["recommended_timestamp"] = time_now;
            new_content_object["recommended_count"] = 1;
            new_content_object["watched_count"] = 1;
            new_content_object["watched_timestamp"] = time_now;
            recommended_json[video_id] = std::move(new_content_object);
        }

        int saved_recommendation_count = 0;
        for(const auto &body_item : related_media_body->items) {
            std::string recommended_video_id;
            if(youtube_url_extract_id(body_item->url, recommended_video_id)) {
                Json::Value &existing_recommendation = recommended_json[recommended_video_id];
                if(existing_recommendation.isObject()) {
                    int64_t recommended_count = 0;
                    Json::Value &count_json = existing_recommendation["recommended_count"];
                    if(count_json.isNumeric())
                        recommended_count = count_json.asInt64();
                    existing_recommendation["recommended_count"] = recommended_count + 1;
                    existing_recommendation["recommended_timestamp"] = time_now;
                } else {
                    Json::Value new_content_object(Json::objectValue);
                    new_content_object["title"] = body_item->get_title();
                    new_content_object["recommended_timestamp"] = time_now;
                    new_content_object["recommended_count"] = 1;
                    recommended_json[recommended_video_id] = std::move(new_content_object);
                    saved_recommendation_count++;
                    /* TODO: Save more than the first 3 video that hasn't been watched yet? */
                    if(saved_recommendation_count == 3)
                        break;
                }
            } else {
                fprintf(stderr, "Failed to extract id of youtube url %s, video wont be saved in recommendations\n", video_url.c_str());
            }
        }

        save_json_to_file_atomic(get_recommended_filepath(plugin_name), recommended_json);
    }

#define CLEANMASK(mask) ((mask) & (ShiftMask|ControlMask|Mod1Mask|Mod4Mask|Mod5Mask))

    void Program::video_content_page(Page *page, std::string video_url, std::string video_title) {
        sf::Clock time_watched_timer;
        bool added_recommendations = false;
        bool video_loaded = false;

        PageType previous_page = pop_page_stack();

        std::unique_ptr<VideoPlayer> video_player;
        std::unique_ptr<sf::RenderWindow> related_media_window;
        sf::Vector2f related_media_window_size;
        bool related_media_window_visible = false;

        sf::Text related_videos_text("Related videos", *bold_font, 20);
        const float related_videos_text_height = related_videos_text.getCharacterSize();

        auto related_media_body = create_body();
        related_media_body->draw_thumbnails = true;

        sf::WindowHandle video_player_window = None;
        auto on_window_create = [this, &video_player_window](sf::WindowHandle _video_player_window) mutable {
            video_player_window = _video_player_window;
            XSelectInput(disp, video_player_window, KeyPressMask | PointerMotionMask);
            XSync(disp, False);
        };

        auto load_video_error_check = [this, &related_media_body, &video_url, &video_title, &video_player, previous_page, &time_watched_timer, &added_recommendations, page]() mutable {
            time_watched_timer.restart();
            added_recommendations = false;
            watched_videos.insert(video_url);
            VideoPlayer::Error err = video_player->load_video(video_url.c_str(), window.getSystemHandle(), plugin_name);
            if(err != VideoPlayer::Error::OK) {
                std::string err_msg = "Failed to play url: ";
                err_msg += video_url;
                show_notification("Video player", err_msg.c_str(), Urgency::CRITICAL);
                current_page = previous_page;
            } else {
                related_media_body->clear_items();
                related_media_body->clear_thumbnails();
                related_media_body->items = page->get_related_media(video_url);

                // TODO: Make this also work for other video plugins
                if(strcmp(plugin_name, "youtube") != 0)
                    return;

                std::string video_id;
                if(!youtube_url_extract_id(video_url, video_id)) {
                    std::string err_msg = "Failed to extract id of youtube url ";
                    err_msg += video_url;
                    err_msg + ", video wont be saved in history";
                    show_notification("Video player", err_msg.c_str(), Urgency::LOW);
                    return;
                }

                Json::Value video_history_json = load_video_history_json();
    
                int existing_index = watch_history_get_item_by_id(video_history_json, video_id.c_str());
                if(existing_index != -1) {
                    Json::Value removed;
                    /* TODO: Optimize. This is slow */
                    video_history_json.removeIndex(existing_index, &removed);
                }

                time_t time_now = time(NULL);

                Json::Value new_content_object(Json::objectValue);
                new_content_object["id"] = video_id;
                new_content_object["title"] = video_title;
                new_content_object["timestamp"] = time_now;

                video_history_json.append(std::move(new_content_object));

                Path video_history_filepath = get_video_history_filepath(plugin_name);
                save_json_to_file_atomic(video_history_filepath, video_history_json);
            }
        };

        bool has_video_started = true;
        auto video_event_callback = [this, &related_media_body, &video_url, &video_title, &video_player, &load_video_error_check, previous_page, &has_video_started, &time_watched_timer, &video_loaded](const char *event_name) mutable {
            bool end_of_file = false;
            if(strcmp(event_name, "pause") == 0) {
                double time_remaining = 9999.0;
                if(video_player->get_time_remaining(&time_remaining) == VideoPlayer::Error::OK && time_remaining <= 1.0)
                    end_of_file = true;
            } else if(strcmp(event_name, "playback-restart") == 0) {
                video_player->set_paused(false);
            } else if(strcmp(event_name, "file-loaded") == 0) {
                has_video_started = true;
                time_watched_timer.restart();
                video_loaded = true;
            } else if(strcmp(event_name, "end-file") == 0) {
                video_loaded = false;
            }

            if(end_of_file && has_video_started) {
                has_video_started = false;
                std::string new_video_url;
                std::string new_video_title;
                // Find video that hasn't been played before in this video session
                // TODO: Remove duplicates
                for(auto it = related_media_body->items.begin(), end = related_media_body->items.end(); it != end; ++it) {
                    if(watched_videos.find((*it)->url) == watched_videos.end()) {
                        new_video_url = (*it)->url;
                        new_video_title = (*it)->get_title();
                        break;
                    }
                }

                // If there are no videos to play, then dont play any...
                if(new_video_url.empty()) {
                    show_notification("Video player", "No more related videos to play");
                    current_page = previous_page;
                    return;
                }

                video_url = std::move(new_video_url);
                video_title = std::move(new_video_title);
                load_video_error_check();
            }
        };

        video_player = std::make_unique<VideoPlayer>(use_tor, no_video, use_system_mpv_config, video_event_callback, on_window_create, resources_root);
        load_video_error_check();

        sf::Event event;

        sf::RectangleShape rect;
        rect.setFillColor(sf::Color::Red);
        // Clear screen before playing video, to show a black screen instead of being frozen
        // at the previous UI for a moment
        window.clear();
        window.display();

        XEvent xev;
        bool cursor_visible = true;
        sf::Clock cursor_hide_timer;

        bool is_youtube = strcmp(plugin_name, "youtube") == 0;
        bool is_pornhub = strcmp(plugin_name, "pornhub") == 0;
        bool supports_url_timestamp = is_youtube || is_pornhub;

        auto save_video_url_to_clipboard = [&video_url, &video_player_window, &video_player, &supports_url_timestamp]() {
            if(!video_player_window)
                return;

            if(supports_url_timestamp) {
                // TODO: Remove timestamp (&t= or ?t=) from video_url
                double time_in_file;
                if(video_player->get_time_in_file(&time_in_file) != VideoPlayer::Error::OK)
                    time_in_file = 0.0;
                sf::Clipboard::setString(video_url + "&t=" + std::to_string((int)time_in_file));
            } else {
                sf::Clipboard::setString(video_url);
            }
        };

        while (current_page == PageType::VIDEO_CONTENT) {
            while (window.pollEvent(event)) {
                base_event_handler(event, previous_page, related_media_body.get(), nullptr, true, false);
                if(event.type == sf::Event::Resized && related_media_window) {
                    related_media_window_size.x = window_size.x * RELATED_MEDIA_WINDOW_WIDTH;
                    related_media_window_size.y = window_size.y;
                    related_media_window->setSize(sf::Vector2u(related_media_window_size.x, related_media_window_size.y));
                    related_media_window->setPosition(sf::Vector2i(window_size.x - related_media_window_size.x, 0));
                    sf::FloatRect visible_area(0, 0, related_media_window_size.x, related_media_window_size.y);
                    related_media_window->setView(sf::View(visible_area));
                }
            }

            while(related_media_window && related_media_window->pollEvent(event)) {
                if(!related_media_window_visible)
                    continue;
                if(event.type == sf::Event::KeyPressed) {
                    if(event.key.code == sf::Keyboard::Up) {
                        related_media_body->select_previous_item();
                    } else if(event.key.code == sf::Keyboard::Down) {
                        related_media_body->select_next_item();
                    } else if(event.key.code == sf::Keyboard::PageUp) {
                        related_media_body->select_previous_page();
                    } else if(event.key.code == sf::Keyboard::PageDown) {
                        related_media_body->select_next_page();
                    } else if(event.key.code == sf::Keyboard::Home) {
                        related_media_body->select_first_item();
                    } else if(event.key.code == sf::Keyboard::End) {
                        related_media_body->select_last_item();
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        related_media_window_visible = false;
                        related_media_window->setVisible(false);
                    } else if(event.key.code == sf::Keyboard::R && event.key.control) {
                        related_media_window_visible = false;
                        related_media_window->setVisible(related_media_window_visible);
                        related_media_body->clear_cache();
                    } else if(event.key.code == sf::Keyboard::F && event.key.control) {
                        window_set_fullscreen(disp, window.getSystemHandle(), WindowFullscreenState::TOGGLE);
                    } else if(event.key.code == sf::Keyboard::Enter) {
                        BodyItem *selected_item = related_media_body->get_selected();
                        if(!selected_item)
                            continue;

                        related_media_window_visible = false;
                        related_media_window->setVisible(false);
                        has_video_started = false;

                        video_url = selected_item->url;
                        video_title = selected_item->get_title();
                        load_video_error_check();
                    } else if(event.key.code == sf::Keyboard::C && event.key.control) {
                        save_video_url_to_clipboard();
                    }
                }
            }

            if(video_player_window && XCheckTypedWindowEvent(disp, video_player_window, KeyPress, &xev)/* && xev.xkey.subwindow == video_player_window*/ && !related_media_window_visible) {
                #pragma GCC diagnostic push
                #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
                KeySym pressed_keysym = XKeycodeToKeysym(disp, xev.xkey.keycode, 0);
                #pragma GCC diagnostic pop
                bool pressing_ctrl = (CLEANMASK(xev.xkey.state) == ControlMask);
                if(pressed_keysym == XK_Escape) {
                    current_page = previous_page;
                } else if(pressed_keysym == XK_f && pressing_ctrl) {
                    window_set_fullscreen(disp, window.getSystemHandle(), WindowFullscreenState::TOGGLE);
                } else if(pressed_keysym == XK_r && pressing_ctrl && strcmp(plugin_name, "4chan") != 0) {
                    if(!related_media_window) {
                        related_media_window_size.x = window_size.x * RELATED_MEDIA_WINDOW_WIDTH;
                        related_media_window_size.y = window_size.y;
                        related_media_window = std::make_unique<sf::RenderWindow>(sf::VideoMode(related_media_window_size.x, related_media_window_size.y), "", 0, sf::ContextSettings(0, 0, 0, 3, 3));
                        related_media_window->setFramerateLimit(0);
                        if(!enable_vsync(disp, related_media_window->getSystemHandle())) {
                            fprintf(stderr, "Failed to enable vsync, fallback to frame limiting\n");
                            related_media_window->setFramerateLimit(monitor_hz);
                        }
                        related_media_window->setVisible(false);
                        XReparentWindow(disp, related_media_window->getSystemHandle(), video_player_window, window_size.x - related_media_window_size.x, 0);
                        XSync(disp, False);
                    }

                    related_media_window_visible = true;
                    related_media_window->setVisible(related_media_window_visible);
                    if(!cursor_visible)
                        window.setMouseCursorVisible(true);
                    cursor_visible = true;
                } else if(pressed_keysym == XK_c && pressing_ctrl) {
                    save_video_url_to_clipboard();
                }
            }

            if(video_player_window && XCheckTypedWindowEvent(disp, video_player_window, MotionNotify, &xev)) {
                while(XCheckTypedWindowEvent(disp, video_player_window, MotionNotify, &xev));
                cursor_hide_timer.restart();
                if(!cursor_visible)
                    window.setMouseCursorVisible(true);
                cursor_visible = true;
            }

            VideoPlayer::Error update_err = video_player->update();
            if(update_err == VideoPlayer::Error::FAIL_TO_CONNECT_TIMEOUT) {
                show_notification("Video player", "Failed to connect to mpv ipc after 10 seconds", Urgency::CRITICAL);
                current_page = previous_page;
                break;
            } else if(update_err == VideoPlayer::Error::EXITED && video_player->exit_status == 0) {
                fprintf(stderr, "mpv exited with status 0, the user most likely closed mpv with 'q'\n");
                current_page = previous_page;
                break;
            } else if(update_err != VideoPlayer::Error::OK) {
                show_notification("Video player", "The video player failed to play the video (error code " + std::to_string((int)update_err) + ")", Urgency::CRITICAL);
                current_page = previous_page;
                break;
            }

            // TODO: Show loading video animation. load_video needs to be made asynchronous first

            /* Only save recommendations for the video if we have been watching it for 15 seconds */
            if(is_youtube && video_loaded && !added_recommendations && time_watched_timer.getElapsedTime().asSeconds() >= 15) {
                added_recommendations = true;
                save_recommendations_from_related_videos(video_url, video_title, related_media_body.get());
            }

            if(video_player_window) {
                if(related_media_window && related_media_window_visible) {
                    sf::Vector2f body_pos, body_size;
                    get_related_media_body_dimensions(window_size, body_pos, body_size, related_videos_text_height);

                    related_media_window->clear(back_color);
                    related_videos_text.setPosition(body_pos.x, 10.0f);
                    related_media_window->draw(related_videos_text);
                    related_media_body->draw(*related_media_window, body_pos, body_size);
                    related_media_window->display();
                    continue;
                }

                if(!cursor_visible) {
                    std::this_thread::sleep_for(std::chrono::milliseconds(50));
                    continue;
                }

                const int UI_HIDE_TIMEOUT = 2500;
                if(cursor_hide_timer.getElapsedTime().asMilliseconds() > UI_HIDE_TIMEOUT) {
                    cursor_visible = false;
                    window.setMouseCursorVisible(false);
                }
            }
            std::this_thread::sleep_for(std::chrono::milliseconds(50));
        }

        window.setMouseCursorVisible(true);
        window_set_fullscreen(disp, window.getSystemHandle(), WindowFullscreenState::UNSET);

        auto window_size_u = window.getSize();
        window_size.x = window_size_u.x;
        window_size.y = window_size_u.y;
    }

    void Program::select_episode(BodyItem *item, bool start_from_beginning) {
        image_index = 0;
        switch(image_view_mode) {
            case ImageViewMode::SINGLE:
                current_page = PageType::IMAGES;
                break;
            case ImageViewMode::SCROLL:
                current_page = PageType::IMAGES_CONTINUOUS;
                break;
        }

        if(start_from_beginning)
            return;

        const Json::Value &json_chapters = content_storage_json["chapters"];
        if(json_chapters.isObject()) {
            const Json::Value &json_chapter = json_chapters[item->get_title()];
            if(json_chapter.isObject()) {
                const Json::Value &current = json_chapter["current"];
                if(current.isNumeric())
                    image_index = current.asInt() - 1;
            }
        }
    }

    // TODO: Remove
    PageType Program::pop_page_stack() {
        if(!page_stack.empty()) {
            PageType previous_page = page_stack.top();
            page_stack.pop();
            return previous_page;
        }
        return PageType::EXIT;
    }

    // TODO: Optimize this somehow. One image alone uses more than 20mb ram! Total ram usage for viewing one image
    // becomes 40mb (private memory, almost 100mb in total!) Unacceptable!
    Program::LoadImageResult Program::load_image_by_index(int image_index, sf::Texture &image_texture, sf::String &error_message) {
        Path image_path = content_cache_dir;
        image_path.join(std::to_string(image_index + 1));

        bool upscaled_ok = true;
        if(upscale_image_action != UpscaleImageAction::NO) {
            Path image_filepath_upcaled = image_path;
            image_filepath_upcaled.append(".upscaled");
            if(get_file_type(image_filepath_upcaled) == FileType::FILE_NOT_FOUND && image_upscale_status[image_index] == 0)
                upscaled_ok = false;
        }

        if(get_file_type(image_path) == FileType::REGULAR && upscaled_ok) {
            sf::Image image;
            if(image.loadFromFile(image_path.data)) {
                if(image_texture.loadFromImage(image)) {
                    image_texture.setSmooth(true);
                    image_texture.generateMipmap();
                    return LoadImageResult::OK;
                } else {
                    error_message = std::string("Failed to load image for page ") + std::to_string(image_index + 1);
                    return LoadImageResult::FAILED;
                }
            } else {
                show_notification("Manga", "Failed to load image for page " + std::to_string(image_index + 1) + ". Image filepath: " + image_path.data, Urgency::CRITICAL);
                error_message = std::string("Failed to load image for page ") + std::to_string(image_index + 1);
                return LoadImageResult::FAILED;
            }
        } else {
            error_message = "Downloading page " + std::to_string(image_index + 1) + "...";
            return LoadImageResult::DOWNLOAD_IN_PROGRESS;
        }
    }

    void Program::download_chapter_images_if_needed(MangaImagesPage *images_page) {
        if(downloading_chapter_url == images_page->get_url())
            return;

        downloading_chapter_url = images_page->get_url();
        if(image_download_future.valid()) {
            // TODO: Cancel download instead of waiting for the last page to finish
            image_download_cancel = true;
            image_download_future.get();
            image_download_cancel = false;
        }

        Path content_cache_dir_ = content_cache_dir;
        image_download_future = std::async(std::launch::async, [images_page, content_cache_dir_, this]() {
            // TODO: Download images in parallel
            int page = 1;
            images_page->for_each_page_in_chapter([content_cache_dir_, &page, images_page, this](const std::string &url) {
                if(image_download_cancel)
                    return false;

                int image_index = page - 1;

                // TODO: Save image with the file extension that url says it has? right now the file is saved without any extension
                Path image_filepath = content_cache_dir_;
                image_filepath.join(std::to_string(page++));

                bool upscaled_ok = true;
                if(upscale_image_action != UpscaleImageAction::NO) {
                    Path image_filepath_upcaled = image_filepath;
                    image_filepath_upcaled.append(".upscaled");
                    if(get_file_type(image_filepath_upcaled) == FileType::FILE_NOT_FOUND && image_upscale_status[image_index] == 0)
                        upscaled_ok = false;
                }

                if(get_file_type(image_filepath) != FileType::FILE_NOT_FOUND && upscaled_ok)
                    return true;

                std::vector<CommandArg> extra_args;
                if(strcmp(images_page->get_service_name(), "manganelo") == 0) {
                    extra_args = {
                        CommandArg { "-H", "accept: image/webp,image/apng,image/*,*/*;q=0.8" },
                        CommandArg { "-H", "sec-fetch-site: cross-site" },
                        CommandArg { "-H", "sec-fetch-mode: no-cors" },
                        CommandArg { "-H", "sec-fetch-dest: image" },
                        CommandArg { "-H", "referer: https://manganelo.com/" }
                    };
                }

                // TODO: Download directly to file instead. TODO: Move to page
                std::string image_content;
                if(download_to_string(url, image_content, extra_args, is_tor_enabled(), true) != DownloadResult::OK || image_content.size() <= 255) {
                    if(strcmp(images_page->get_service_name(), "manganelo") == 0) {
                        bool try_backup_url = false;
                        std::string new_url = url;
                        if(string_replace_all(new_url, "s3.mkklcdnv3.com", "bu.mkklcdnbuv1.com") > 0) {
                            try_backup_url = true;
                        } else {
                            try_backup_url = (string_replace_all(new_url, "s41.mkklcdnv41.com", "bu.mkklcdnbuv1.com") > 0);
                        }

                        if(try_backup_url) {
                            image_content.clear();
                            if(download_to_string(new_url, image_content, extra_args, is_tor_enabled(), true) != DownloadResult::OK || image_content.size() <= 255) {
                                show_notification("Manganelo", "Failed to download image: " + new_url, Urgency::CRITICAL);
                                return false;
                            }
                        } else {
                            show_notification("Manganelo", "Failed to download image: " + url, Urgency::CRITICAL);
                            return false;
                        }
                    } else {
                        show_notification("Manga", "Failed to download image: " + url, Urgency::CRITICAL);
                        return false;
                    }
                }

                Path image_filepath_tmp(image_filepath.data + ".tmp");

                if(file_overwrite(image_filepath_tmp, image_content) != 0) {
                    show_notification("Storage", "Failed to save image to file: " + image_filepath_tmp.data, Urgency::CRITICAL);
                    return false;
                }

                bool rename_immediately = true;
                if(upscale_image_action == UpscaleImageAction::LOW_RESOLUTION) {
                    int screen_width, screen_height;
                    get_screen_resolution(disp, &screen_width, &screen_height);

                    int image_width, image_height;
                    if(image_get_resolution(image_filepath_tmp, &image_width, &image_height)) {
                        if(image_height < screen_height * 0.65) {
                            rename_immediately = false;
                            CopyOp copy_op;
                            copy_op.source = image_filepath_tmp;
                            copy_op.destination = image_filepath;
                            std::unique_lock<std::mutex> lock(image_upscale_mutex);
                            images_to_upscale.push_back(std::move(copy_op));
                            image_upscale_cv.notify_one();
                        } else {
                            fprintf(stderr, "Info: not upscaling %s because the file is already large on your monitor (screen height: %d, image height: %d)\n", image_filepath_tmp.data.c_str(), screen_height, image_height);
                            image_upscale_status[image_index] = 1;
                        }
                    } else {
                        fprintf(stderr, "Warning: failed to upscale %s because QuickMedia failed to recognize the resolution of the image\n", image_filepath_tmp.data.c_str());
                        image_upscale_status[image_index] = 1;
                    }
                } else if(upscale_image_action == UpscaleImageAction::FORCE) {
                    rename_immediately = false;
                    CopyOp copy_op;
                    copy_op.source = image_filepath_tmp;
                    copy_op.destination = image_filepath;
                    std::unique_lock<std::mutex> lock(image_upscale_mutex);
                    images_to_upscale.push_back(std::move(copy_op));
                    image_upscale_cv.notify_one();
                }

                if(rename_immediately) {
                    if(rename(image_filepath_tmp.data.c_str(), image_filepath.data.c_str()) != 0) {
                        perror(image_filepath_tmp.data.c_str());
                        show_notification("Storage", "Failed to save image to file: " + image_filepath.data, Urgency::CRITICAL);
                        return false;
                    }
                }

                return true;
            });
        });
    }

    int Program::image_page(MangaImagesPage *images_page, Body *chapters_body) {
        int page_navigation = 0;
        image_download_cancel = false;

        sf::Texture image_texture;
        sf::Sprite image;
        sf::Text error_message("", *font, 30);
        error_message.setFillColor(sf::Color::White);

        bool download_in_progress = false;

        content_cache_dir = get_cache_dir().join(images_page->get_service_name()).join(manga_id_base64).join(base64_encode(images_page->get_chapter_name()));
        if(create_directory_recursive(content_cache_dir) != 0) {
            show_notification("Storage", "Failed to create directory: " + content_cache_dir.data, Urgency::CRITICAL);
            current_page = pop_page_stack();
            return 0;
        }

        int num_images = 0;
        if(images_page->get_number_of_images(num_images) != ImageResult::OK) {
            show_notification("Plugin", "Failed to get number of images", Urgency::CRITICAL);
            current_page = pop_page_stack();
            return 0;
        }
        image_index = std::min(image_index, num_images);
        
        if(num_images != (int)image_upscale_status.size())
            image_upscale_status.resize(num_images);

        download_chapter_images_if_needed(images_page);

        if(image_index < num_images) {
            sf::String error_msg;
            LoadImageResult load_image_result = load_image_by_index(image_index, image_texture, error_msg);
            if(load_image_result == LoadImageResult::OK)
                image.setTexture(image_texture, true);
            else if(load_image_result == LoadImageResult::DOWNLOAD_IN_PROGRESS)
                download_in_progress = true;
            error_message.setString(error_msg);
        } else if(image_index == num_images) {
            error_message.setString("End of " + images_page->get_chapter_name());
        }

        // TODO: Dont do this every time we change page?
        Json::Value &json_chapters = content_storage_json["chapters"];
        Json::Value json_chapter;
        int latest_read = image_index + 1;
        if(json_chapters.isObject()) {
            json_chapter = json_chapters[images_page->get_chapter_name()];
            if(json_chapter.isObject()) {
                const Json::Value &current = json_chapter["current"];
                if(current.isNumeric())
                    latest_read = std::max(latest_read, current.asInt());
            } else {
                json_chapter = Json::Value(Json::objectValue);
            }
        } else {
            json_chapters = Json::Value(Json::objectValue);
            json_chapter = Json::Value(Json::objectValue);
        }
        json_chapter["current"] = std::min(latest_read, num_images);
        json_chapter["total"] = num_images;
        json_chapters[images_page->get_chapter_name()] = json_chapter;
        if(!save_json_to_file_atomic(content_storage_file, content_storage_json)) {
            show_notification("Manga progress", "Failed to save manga progress", Urgency::CRITICAL);
        }

        bool error = !error_message.getString().isEmpty();
        bool redraw = true;

        sf::Text chapter_text(images_page->manga_name + " | " + images_page->get_chapter_name() + " | Page " + std::to_string(image_index + 1) + "/" + std::to_string(num_images), *font, 14);
        if(image_index == num_images)
            chapter_text.setString(images_page->manga_name + " | " + images_page->get_chapter_name() + " | End");
        chapter_text.setFillColor(sf::Color::White);
        sf::RectangleShape chapter_text_background;
        chapter_text_background.setFillColor(sf::Color(0, 0, 0, 150));

        sf::Vector2u texture_size;
        sf::Vector2f texture_size_f;
        if(!error) {
            texture_size = image.getTexture()->getSize();
            texture_size_f = sf::Vector2f(texture_size.x, texture_size.y);
        }

        sf::Clock check_downloaded_timer;
        const sf::Int32 check_downloaded_timeout_ms = 500;

        sf::Event event;
        // Consume events sent during above call to get_number_of_images which sends a request to server which may take a while. We dont want pages to be skipped when pressing arrow up/down
        while(window.pollEvent(event)) {}

        // TODO: Show to user if a certain page is missing (by checking page name (number) and checking if some are skipped)
        while (current_page == PageType::IMAGES) {
            while(window.pollEvent(event)) {
                if (event.type == sf::Event::Closed) {
                    current_page = PageType::EXIT;
                    window.close();
                } else if(event.type == sf::Event::Resized) {
                    window_size.x = event.size.width;
                    window_size.y = event.size.height;
                    sf::FloatRect visible_area(0, 0, window_size.x, window_size.y);
                    window.setView(sf::View(visible_area));
                    redraw = true;
                } else if(event.type == sf::Event::GainedFocus) {
                    redraw = true;
                } else if(event.type == sf::Event::KeyPressed) {
                    if(event.key.code == sf::Keyboard::Up) {
                        if(image_index > 0) {
                            --image_index;
                            goto end_of_images_page;
                        } else if(image_index == 0 && chapters_body->get_selected_item() < (int)chapters_body->items.size() - 1) {
                            page_navigation = -1;
                            goto end_of_images_page;
                        }
                    } else if(event.key.code == sf::Keyboard::Down) {
                        if(image_index < num_images) {
                            ++image_index;
                            goto end_of_images_page;
                        } else if(image_index == num_images && chapters_body->get_selected_item() > 0) {
                            page_navigation = 1;
                            goto end_of_images_page;
                        }
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        current_page = pop_page_stack();
                    } else if(event.key.code == sf::Keyboard::I) {
                        current_page = PageType::IMAGES_CONTINUOUS;
                        image_view_mode = ImageViewMode::SCROLL;
                    } else if(event.key.code == sf::Keyboard::F) {
                        fit_image_to_window = !fit_image_to_window;
                        redraw = true;
                    }
                }
            }

            if(download_in_progress && check_downloaded_timer.getElapsedTime().asMilliseconds() >= check_downloaded_timeout_ms) {
                sf::String error_msg;
                LoadImageResult load_image_result = load_image_by_index(image_index, image_texture, error_msg);
                if(load_image_result == LoadImageResult::OK) {
                    image.setTexture(image_texture, true);
                    download_in_progress = false;
                    error = false;
                    texture_size = image.getTexture()->getSize();
                    texture_size_f = sf::Vector2f(texture_size.x, texture_size.y);
                } else if(load_image_result == LoadImageResult::FAILED) {
                    download_in_progress = false;
                    error = true;
                }
                error_message.setString(error_msg);
                redraw = true;
                check_downloaded_timer.restart();
            }

            const float font_height = chapter_text.getCharacterSize() + 8.0f;
            const float background_height = font_height + 6.0f;

            sf::Vector2f content_size;
            content_size.x = window_size.x;
            content_size.y = window_size.y - background_height;

            if(redraw) {
                redraw = false;
                if(error) {
                    auto bounds = error_message.getLocalBounds();
                    error_message.setPosition(std::floor(content_size.x * 0.5f - bounds.width * 0.5f), std::floor(content_size.y * 0.5f - bounds.height));
                } else {
                    sf::Vector2f image_scale;
                    if(fit_image_to_window)
                        image_scale = get_ratio(texture_size_f, wrap_to_size(texture_size_f, content_size));
                    else
                        image_scale = get_ratio(texture_size_f, clamp_to_size(texture_size_f, content_size));
                    image.setScale(image_scale);

                    auto image_size = texture_size_f;
                    image_size.x *= image_scale.x;
                    image_size.y *= image_scale.y;
                    image.setPosition(std::floor(content_size.x * 0.5f - image_size.x * 0.5f), std::floor(content_size.y * 0.5f - image_size.y * 0.5f));
                }

                window.clear(back_color);

                if(error) {
                    window.draw(error_message);
                } else {
                    window.draw(image);
                }

                chapter_text_background.setSize(sf::Vector2f(window_size.x, background_height));
                chapter_text_background.setPosition(0.0f, std::floor(window_size.y - background_height));
                window.draw(chapter_text_background);

                auto text_bounds = chapter_text.getLocalBounds();
                chapter_text.setPosition(std::floor(window_size.x * 0.5f - text_bounds.width * 0.5f), std::floor(window_size.y - background_height * 0.5f - font_height * 0.5f));
                window.draw(chapter_text);
            }

            window.display();
        }

        end_of_images_page:
        if(current_page != PageType::IMAGES && current_page != PageType::IMAGES_CONTINUOUS) {
            image_download_cancel = true;
            if(image_download_future.valid()) {
                // TODO: Cancel download instead of waiting for the last page to finish
                image_download_future.get();
                image_download_cancel = false;
            }
            std::unique_lock<std::mutex> lock(image_upscale_mutex);
            images_to_upscale.clear();
            image_upscale_status.clear();
        }
        return page_navigation;
    }

    void Program::image_continuous_page(MangaImagesPage *images_page) {
        image_download_cancel = false;

        content_cache_dir = get_cache_dir().join(images_page->get_service_name()).join(manga_id_base64).join(base64_encode(images_page->get_chapter_name()));
        if(create_directory_recursive(content_cache_dir) != 0) {
            show_notification("Storage", "Failed to create directory: " + content_cache_dir.data, Urgency::CRITICAL);
            current_page = pop_page_stack();
            return;
        }

        int num_images = 0;
        if(images_page->get_number_of_images(num_images) != ImageResult::OK) {
            show_notification("Plugin", "Failed to get number of images", Urgency::CRITICAL);
            current_page = pop_page_stack();
            return;
        }

        if(num_images != (int)image_upscale_status.size())
            image_upscale_status.resize(num_images);

        download_chapter_images_if_needed(images_page);

        Json::Value &json_chapters = content_storage_json["chapters"];
        Json::Value json_chapter;
        int latest_read = 1 + image_index;
        if(json_chapters.isObject()) {
            json_chapter = json_chapters[images_page->get_chapter_name()];
            if(json_chapter.isObject()) {
                const Json::Value &current = json_chapter["current"];
                if(current.isNumeric())
                    latest_read = std::max(latest_read, current.asInt());
            } else {
                json_chapter = Json::Value(Json::objectValue);
            }
        } else {
            json_chapters = Json::Value(Json::objectValue);
            json_chapter = Json::Value(Json::objectValue);
        }

        ImageViewer image_viewer(images_page, images_page->manga_name, images_page->get_chapter_name(), image_index, content_cache_dir, font.get());

        json_chapter["current"] = std::min(latest_read, image_viewer.get_num_pages());
        json_chapter["total"] = image_viewer.get_num_pages();
        json_chapters[images_page->get_chapter_name()] = json_chapter;
        if(!save_json_to_file_atomic(content_storage_file, content_storage_json)) {
            show_notification("Manga progress", "Failed to save manga progress", Urgency::CRITICAL);
        }

        while(current_page == PageType::IMAGES_CONTINUOUS) {
            window.clear(back_color);
            ImageViewerAction action = image_viewer.draw(window);
            switch(action) {
                case ImageViewerAction::NONE:
                    break;
                case ImageViewerAction::RETURN:
                    current_page = pop_page_stack();
                    break;
                case ImageViewerAction::SWITCH_TO_SINGLE_IMAGE_MODE:
                    image_view_mode = ImageViewMode::SINGLE;
                    current_page = PageType::IMAGES;
                    break;
            }
            window.display();

            int focused_page = image_viewer.get_focused_page();
            image_index = focused_page - 1;
            if(focused_page > latest_read) {
                latest_read = focused_page;
                json_chapter["current"] = latest_read;
                json_chapters[images_page->get_chapter_name()] = json_chapter;
                if(!save_json_to_file_atomic(content_storage_file, content_storage_json)) {
                    show_notification("Manga progress", "Failed to save manga progress", Urgency::CRITICAL);
                }
            }
        }

        if(current_page != PageType::IMAGES && current_page != PageType::IMAGES_CONTINUOUS) {
            image_download_cancel = true;
            if(image_download_future.valid()) {
                // TODO: Cancel download instead of waiting for the last page to finish
                image_download_future.get();
                image_download_cancel = false;
            }
            std::unique_lock<std::mutex> lock(image_upscale_mutex);
            images_to_upscale.clear();
            image_upscale_status.clear();
        }
    }

    static bool is_url_video(const std::string &url) {
        return string_ends_with(url, ".webm") || string_ends_with(url, ".mp4") || string_ends_with(url, ".gif");
    }

    void Program::image_board_thread_page(ImageBoardThreadPage *thread_page, Body *thread_body) {
        // TODO: Instead of using stage here, use different pages for each stage
        enum class NavigationStage {
            VIEWING_COMMENTS,
            REPLYING,
            SOLVING_POST_CAPTCHA,
            POSTING_SOLUTION,
            POSTING_COMMENT,
            VIEWING_ATTACHED_IMAGE
        };

        NavigationStage navigation_stage = NavigationStage::VIEWING_COMMENTS;
        std::future<bool> captcha_request_future;
        std::future<bool> captcha_post_solution_future;
        std::future<bool> post_comment_future;
        std::future<std::string> load_image_future;
        bool downloading_image = false;
        sf::Texture captcha_texture;
        sf::Sprite captcha_sprite;
        std::mutex captcha_image_mutex;

        auto attached_image_texture = std::make_unique<sf::Texture>();
        sf::Sprite attached_image_sprite;

        GoogleCaptchaChallengeInfo challenge_info;
        sf::Text challenge_description_text("", *font, 24);
        challenge_description_text.setFillColor(sf::Color::White);
        const size_t captcha_num_columns = 3;
        const size_t captcha_num_rows = 3;
        std::array<bool, captcha_num_columns * captcha_num_rows> selected_captcha_images;
        for(size_t i = 0; i < selected_captcha_images.size(); ++i) {
            selected_captcha_images[i] = false;
        }
        sf::RectangleShape captcha_selection_rect;
        captcha_selection_rect.setOutlineThickness(5.0f);
        captcha_selection_rect.setOutlineColor(sf::Color::Red);
        // TODO: Draw only the outline instead of a transparent rectangle
        captcha_selection_rect.setFillColor(sf::Color::Transparent);

        // Valid for 2 minutes after solving a captcha
        std::string captcha_post_id;
        sf::Clock captcha_solved_time;
        std::string comment_to_post;

        // TODO: Show a white image with "Loading..." text while the captcha image is downloading

        // TODO: Make google captcha images load texture in the main thread, otherwise high cpu usage. I guess its fine right now because of only 1 image?

        // TODO: Make this work with other sites than 4chan
        auto request_google_captcha_image = [this, &captcha_texture, &captcha_image_mutex, &navigation_stage, &captcha_sprite, &challenge_description_text](GoogleCaptchaChallengeInfo &challenge_info) {
            std::string payload_image_data;
            DownloadResult download_image_result = download_to_string(challenge_info.payload_url, payload_image_data, {}, is_tor_enabled());
            if(download_image_result == DownloadResult::OK) {
                std::lock_guard<std::mutex> lock(captcha_image_mutex);
                if(captcha_texture.loadFromMemory(payload_image_data.data(), payload_image_data.size())) {
                    captcha_texture.setSmooth(true);
                    captcha_sprite.setTexture(captcha_texture, true);
                    challenge_description_text.setString(challenge_info.description);
                } else {
                    show_notification("Google captcha", "Failed to load downloaded captcha image", Urgency::CRITICAL);
                    navigation_stage = NavigationStage::VIEWING_COMMENTS;
                }
            } else {
                show_notification("Google captcha", "Failed to download captcha image", Urgency::CRITICAL);
                navigation_stage = NavigationStage::VIEWING_COMMENTS;
            }
        };

        auto request_new_google_captcha_challenge = [this, &selected_captcha_images, &navigation_stage, &captcha_request_future, &request_google_captcha_image, &challenge_info]() {
            fprintf(stderr, "Solving captcha!\n");
            navigation_stage = NavigationStage::SOLVING_POST_CAPTCHA;
            for(size_t i = 0; i < selected_captcha_images.size(); ++i) {
                selected_captcha_images[i] = false;
            }
            const std::string referer = "https://boards.4chan.org/";
            captcha_request_future = google_captcha_request_challenge(fourchan_google_captcha_api_key, referer,
                [&navigation_stage, &request_google_captcha_image, &challenge_info](std::optional<GoogleCaptchaChallengeInfo> new_challenge_info) {
                    if(navigation_stage != NavigationStage::SOLVING_POST_CAPTCHA)
                        return;

                    if(new_challenge_info) {
                        challenge_info = new_challenge_info.value();
                        request_google_captcha_image(challenge_info);
                    } else {
                        show_notification("Google captcha", "Failed to get captcha challenge", Urgency::CRITICAL);
                        navigation_stage = NavigationStage::VIEWING_COMMENTS;
                    }
                }, is_tor_enabled());
        };

        Entry comment_input("Press ctrl+m to begin writing a comment...", font.get(), cjk_font.get());
        comment_input.draw_background = false;
        comment_input.set_editable(false);

        auto post_comment = [this, &comment_input, &navigation_stage, &thread_page, &captcha_post_id, &comment_to_post, &request_new_google_captcha_challenge]() {
            comment_input.set_editable(false);
            navigation_stage = NavigationStage::POSTING_COMMENT;
            PostResult post_result = thread_page->post_comment(captcha_post_id, comment_to_post);
            if(post_result == PostResult::OK) {
                show_notification("QuickMedia", "Comment posted!");
                navigation_stage = NavigationStage::VIEWING_COMMENTS;
                // TODO: Append posted comment to the thread so the user can see their posted comment.
                // TODO: Asynchronously update the thread periodically to show new comments.
            } else if(post_result == PostResult::TRY_AGAIN) {
                show_notification("QuickMedia", "Error while posting, did the captcha expire? Please try again");
                // TODO: Check if the response contains a new captcha instead of requesting a new one manually
                request_new_google_captcha_challenge();
            } else if(post_result == PostResult::BANNED) {
                show_notification("QuickMedia", "Failed to post comment because you are banned", Urgency::CRITICAL);
                navigation_stage = NavigationStage::VIEWING_COMMENTS;
            } else if(post_result == PostResult::ERR) {
                show_notification("QuickMedia", "Failed to post comment. Is " + std::string(plugin_name) + " down or is your internet down?", Urgency::CRITICAL);
                navigation_stage = NavigationStage::VIEWING_COMMENTS;
            } else {
                assert(false && "Unhandled post result");
                show_notification("QuickMedia", "Failed to post comment. Unknown error", Urgency::CRITICAL);
                navigation_stage = NavigationStage::VIEWING_COMMENTS;
            }
        };

        comment_input.on_submit_callback = [&post_comment_future, &navigation_stage, &request_new_google_captcha_challenge, &comment_to_post, &captcha_post_id, &captcha_solved_time, &post_comment, &thread_page](const std::string &text) -> bool {
            if(text.empty())
                return false;
            
            assert(navigation_stage == NavigationStage::REPLYING);
            comment_to_post = text;
            if(!captcha_post_id.empty() && captcha_solved_time.getElapsedTime().asSeconds() < 120) {
                post_comment_future = std::async(std::launch::async, [&post_comment]() -> bool {
                    post_comment();
                    return true;
                });
            } else if(thread_page->get_pass_id().empty()) {
                request_new_google_captcha_challenge();
            } else if(!thread_page->get_pass_id().empty()) {
                post_comment_future = std::async(std::launch::async, [&post_comment]() -> bool {
                    post_comment();
                    return true;
                });
            }
            return true;
        };

        sf::RectangleShape comment_input_shade;
        comment_input_shade.setFillColor(sf::Color(33, 38, 44));

        sf::Sprite logo_sprite(plugin_logo);

        float prev_chat_height = comment_input.get_height();
        float chat_input_height_full = 0.0f;
        const float logo_padding_x = 15.0f;
        const float chat_input_padding_x = 15.0f;
        const float chat_input_padding_y = 15.0f;

        sf::Vector2f body_pos;
        sf::Vector2f body_size;
        bool redraw = true;
        sf::Event event;

        std::stack<int> comment_navigation_stack;
        std::stack<int> comment_page_scroll_stack;

        while (current_page == PageType::IMAGE_BOARD_THREAD) {
            while (window.pollEvent(event)) {
                if(navigation_stage == NavigationStage::REPLYING) {
                    comment_input.process_event(event);
                    // To prevent pressing enter in comment_input text submit from also immediately sending captcha solution.. is there no better solution?
                    if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Enter)
                        break;
                    if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Escape) {
                        comment_input.set_editable(false);
                        navigation_stage = NavigationStage::VIEWING_COMMENTS;
                        break;
                    }
                }

                if(event.type == sf::Event::Closed) {
                    current_page = PageType::EXIT;
                    window.close();
                } else if(event.type == sf::Event::Resized) {
                    window_size.x = event.size.width;
                    window_size.y = event.size.height;
                    sf::FloatRect visible_area(0, 0, window_size.x, window_size.y);
                    window.setView(sf::View(visible_area));
                }

                if(event.type == sf::Event::Resized || event.type == sf::Event::GainedFocus)
                    redraw = true;
                else if(event.type == sf::Event::KeyPressed && navigation_stage == NavigationStage::VIEWING_COMMENTS) {
                    if(event.key.code == sf::Keyboard::Up) {
                        thread_body->select_previous_item();
                    } else if(event.key.code == sf::Keyboard::Down) {
                        thread_body->select_next_item();
                    } else if(event.key.code == sf::Keyboard::PageUp) {
                        thread_body->select_previous_page();
                    } else if(event.key.code == sf::Keyboard::PageDown) {
                        thread_body->select_next_page();
                    } else if(event.key.code == sf::Keyboard::Home) {
                        thread_body->select_first_item();
                    } else if(event.key.code == sf::Keyboard::End) {
                        thread_body->select_last_item();
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        current_page = pop_page_stack();
                    } else if(event.key.code == sf::Keyboard::P) {
                        BodyItem *selected_item = thread_body->get_selected();
                        if(selected_item && !selected_item->attached_content_url.empty()) {
                            if(is_url_video(selected_item->attached_content_url)) { 
                                page_stack.push(PageType::IMAGE_BOARD_THREAD);
                                current_page = PageType::VIDEO_CONTENT;
                                watched_videos.clear();
                                // TODO: Use real title
                                video_content_page(thread_page, selected_item->attached_content_url, "No title.webm");
                                redraw = true;
                            } else {
                                if(downloading_image && load_image_future.valid())
                                    load_image_future.get();
                                downloading_image = true;
                                navigation_stage = NavigationStage::VIEWING_ATTACHED_IMAGE;
                                load_image_future = std::async(std::launch::async, [this, &thread_body]() {
                                    std::string image_data;
                                    BodyItem *selected_item = thread_body->get_selected();
                                    if(!selected_item || selected_item->attached_content_url.empty()) {
                                        return image_data;
                                    }
                                    if(download_to_string_cache(selected_item->attached_content_url, image_data, {}, is_tor_enabled()) != DownloadResult::OK) {
                                        show_notification("QuickMedia", "Failed to download image: " + selected_item->attached_content_url, Urgency::CRITICAL);
                                        image_data.clear();
                                    }
                                    return image_data;
                                });
                            }
                        }
                    }

                    BodyItem *selected_item = thread_body->get_selected();
                    if(event.key.code == sf::Keyboard::Enter && selected_item && (comment_navigation_stack.empty() || thread_body->get_selected_item() != comment_navigation_stack.top()) && !selected_item->replies.empty()) {
                        for(auto &body_item : thread_body->items) {
                            body_item->visible = false;
                        }
                        selected_item->visible = true;
                        for(size_t reply_index : selected_item->replies) {
                            thread_body->items[reply_index]->visible = true;
                        }
                        comment_navigation_stack.push(thread_body->get_selected_item());
                        comment_page_scroll_stack.push(thread_body->get_page_scroll());
                        thread_body->clamp_selection();
                        thread_body->set_page_scroll(0.0f);
                    } else if(event.key.code == sf::Keyboard::BackSpace && !comment_navigation_stack.empty()) {
                        size_t previous_selected = comment_navigation_stack.top();
                        float previous_page_scroll = comment_page_scroll_stack.top();
                        comment_navigation_stack.pop();
                        comment_page_scroll_stack.pop();
                        if(comment_navigation_stack.empty()) {
                            for(auto &body_item : thread_body->items) {
                                body_item->visible = true;
                            }
                            thread_body->set_selected_item(previous_selected);
                            thread_body->clamp_selection();
                        } else {
                            for(auto &body_item : thread_body->items) {
                                body_item->visible = false;
                            }
                            thread_body->set_selected_item(previous_selected);
                            selected_item = thread_body->items[comment_navigation_stack.top()].get();
                            selected_item->visible = true;
                            for(size_t reply_index : selected_item->replies) {
                                thread_body->items[reply_index]->visible = true;
                            }
                            thread_body->clamp_selection();
                        }
                        thread_body->set_page_scroll(previous_page_scroll);
                    } else if(event.key.code == sf::Keyboard::M && event.key.control && selected_item) {
                        navigation_stage = NavigationStage::REPLYING;
                        comment_input.set_editable(true);
                        comment_input.move_caret_to_end();
                    } else if(event.key.code == sf::Keyboard::R && selected_item) {
                        std::string text_to_add = ">>" + selected_item->post_number + "\n";
                        comment_input.append_text(std::move(text_to_add));
                        comment_input.move_caret_to_end();
                    }
                }

                if(event.type == sf::Event::KeyPressed && navigation_stage == NavigationStage::SOLVING_POST_CAPTCHA) {
                    int num = -1;
                    if(event.key.code >= sf::Keyboard::Num1 && event.key.code <= sf::Keyboard::Num9) {
                        num = event.key.code - sf::Keyboard::Num1;
                    } else if(event.key.code >= sf::Keyboard::Numpad1 && event.key.code <= sf::Keyboard::Numpad9) {
                        num = event.key.code - sf::Keyboard::Numpad1;
                    }

                    constexpr int select_map[9] = { 6, 7, 8, 3, 4, 5, 0, 1, 2 };
                    if(num != -1) {
                        int index = select_map[num];
                        selected_captcha_images[index] = !selected_captcha_images[index];
                    }

                    if(event.key.code == sf::Keyboard::Escape) {
                        navigation_stage = NavigationStage::VIEWING_COMMENTS;
                    } else if(event.key.code == sf::Keyboard::Enter) {
                        navigation_stage = NavigationStage::POSTING_SOLUTION;
                        captcha_post_solution_future = google_captcha_post_solution(fourchan_google_captcha_api_key, challenge_info.id, selected_captcha_images,
                            [&navigation_stage, &captcha_post_id, &captcha_solved_time, &selected_captcha_images, &challenge_info, &request_google_captcha_image, &post_comment](std::optional<std::string> new_captcha_post_id, std::optional<GoogleCaptchaChallengeInfo> new_challenge_info) {
                                if(navigation_stage != NavigationStage::POSTING_SOLUTION)
                                    return;

                                if(new_captcha_post_id) {
                                    captcha_post_id = new_captcha_post_id.value();
                                    captcha_solved_time.restart();
                                    post_comment();
                                } else if(new_challenge_info) {
                                    show_notification("Google captcha", "Failed to solve captcha, please try again");
                                    challenge_info = new_challenge_info.value();
                                    navigation_stage = NavigationStage::SOLVING_POST_CAPTCHA;
                                    for(size_t i = 0; i < selected_captcha_images.size(); ++i) {
                                        selected_captcha_images[i] = false;
                                    }
                                    request_google_captcha_image(challenge_info);
                                }
                            }, is_tor_enabled());
                    }
                }

                if(event.type == sf::Event::KeyPressed && (navigation_stage == NavigationStage::POSTING_SOLUTION || navigation_stage == NavigationStage::POSTING_COMMENT)) {
                    if(event.key.code == sf::Keyboard::Escape) {
                        navigation_stage = NavigationStage::VIEWING_COMMENTS;
                    }
                }

                if(event.type == sf::Event::KeyPressed && navigation_stage == NavigationStage::VIEWING_ATTACHED_IMAGE) {
                    if(event.key.code == sf::Keyboard::Escape || event.key.code == sf::Keyboard::BackSpace) {
                        navigation_stage = NavigationStage::VIEWING_COMMENTS;
                        attached_image_texture.reset(new sf::Texture());
                    }
                }
            }

            chat_input_height_full = comment_input.get_height() + chat_input_padding_y * 2.0f;

            const float chat_height = comment_input.get_height();
            if(std::abs(chat_height - prev_chat_height) > 1.0f) {
                prev_chat_height = chat_height;
                redraw = true;
            }

            if(redraw) {
                redraw = false;
                comment_input.set_max_width(window_size.x);

                comment_input.set_max_width(window_size.x - (logo_padding_x + plugin_logo.getSize().x + chat_input_padding_x * 2.0f));
                comment_input.set_position(sf::Vector2f(logo_padding_x + plugin_logo.getSize().x + chat_input_padding_x, chat_input_padding_y));

                float body_padding_horizontal = 25.0f;
                float body_padding_vertical = 5.0f;
                float body_width = window_size.x - body_padding_horizontal * 2.0f;
                if(body_width <= 480.0f) {
                    body_width = window_size.x;
                    body_padding_horizontal = 0.0f;
                }

                comment_input_shade.setSize(sf::Vector2f(window_size.x, chat_input_height_full));
                comment_input_shade.setPosition(0.0f, 0.0f);

                body_pos = sf::Vector2f(body_padding_horizontal, comment_input_shade.getSize().y + body_padding_vertical);
                body_size = sf::Vector2f(body_width, window_size.y - comment_input_shade.getSize().y - body_padding_vertical);

                logo_sprite.setPosition(logo_padding_x, comment_input_shade.getSize().y * 0.5f - plugin_logo.getSize().y * 0.5f);
            }

            //comment_input.update();

            window.clear(back_color);
            if(navigation_stage == NavigationStage::SOLVING_POST_CAPTCHA) {
                std::lock_guard<std::mutex> lock(captcha_image_mutex);
                if(captcha_texture.getNativeHandle() != 0) {
                    const float challenge_description_height = challenge_description_text.getCharacterSize() + 10.0f;
                    sf::Vector2f content_size = window_size;
                    content_size.y -= challenge_description_height;

                    sf::Vector2u captcha_texture_size = captcha_texture.getSize();
                    sf::Vector2f captcha_texture_size_f(captcha_texture_size.x, captcha_texture_size.y);
                    auto image_scale = get_ratio(captcha_texture_size_f, clamp_to_size(captcha_texture_size_f, content_size));
                    captcha_sprite.setScale(image_scale);

                    auto image_size = captcha_texture_size_f;
                    image_size.x *= image_scale.x;
                    image_size.y *= image_scale.y;
                    captcha_sprite.setPosition(std::floor(content_size.x * 0.5f - image_size.x * 0.5f), std::floor(challenge_description_height + content_size.y * 0.5f - image_size.y * 0.5f));
                    window.draw(captcha_sprite);

                    challenge_description_text.setPosition(captcha_sprite.getPosition() + sf::Vector2f(image_size.x * 0.5f, 0.0f) - sf::Vector2f(challenge_description_text.getLocalBounds().width * 0.5f, challenge_description_height));
                    window.draw(challenge_description_text);

                    for(size_t column = 0; column < captcha_num_columns; ++column) {
                        for(size_t row = 0; row < captcha_num_rows; ++row) {
                            if(selected_captcha_images[column + captcha_num_columns * row]) {
                                captcha_selection_rect.setPosition(captcha_sprite.getPosition() + sf::Vector2f(image_size.x / captcha_num_columns * column, image_size.y / captcha_num_rows * row));
                                captcha_selection_rect.setSize(sf::Vector2f(image_size.x / captcha_num_columns, image_size.y / captcha_num_rows));
                                window.draw(captcha_selection_rect);
                            }
                        }
                    }
                }
            } else if(navigation_stage == NavigationStage::POSTING_SOLUTION) {
                // TODO: Show "Posting..." when posting solution
            } else if(navigation_stage == NavigationStage::POSTING_COMMENT) {
                // TODO: Show "Posting..." when posting comment
            } else if(navigation_stage == NavigationStage::VIEWING_ATTACHED_IMAGE) {
                // TODO: Use image instead of data with string. texture->loadFromMemory creates a temporary image anyways that parses the string.
                std::string image_data;
                if(downloading_image && load_image_future.valid() && load_image_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                    downloading_image = false;
                    image_data = load_image_future.get();
                    
                    if(attached_image_texture->loadFromMemory(image_data.data(), image_data.size())) {
                        attached_image_texture->setSmooth(true);
                        //attached_image_texture->generateMipmap();
                        attached_image_sprite.setTexture(*attached_image_texture, true);
                    } else {
                        BodyItem *selected_item = thread_body->get_selected();
                        std::string selected_item_attached_url;
                        if(selected_item)
                            selected_item_attached_url = selected_item->attached_content_url;
                        show_notification("QuickMedia", "Failed to load image downloaded from url: " + selected_item->attached_content_url, Urgency::CRITICAL);
                    }
                }
                
                // TODO: Show a white image with the text "Downloading..." while the image is downloading and loading
                if(attached_image_texture->getNativeHandle() != 0) {
                    auto content_size = window_size;
                    sf::Vector2u texture_size = attached_image_texture->getSize();
                    sf::Vector2f texture_size_f(texture_size.x, texture_size.y);
                    auto image_scale = get_ratio(texture_size_f, clamp_to_size(texture_size_f, content_size));
                    attached_image_sprite.setScale(image_scale);

                    auto image_size = texture_size_f;
                    image_size.x *= image_scale.x;
                    image_size.y *= image_scale.y;
                    attached_image_sprite.setPosition(std::floor(content_size.x * 0.5f - image_size.x * 0.5f), std::floor(content_size.y * 0.5f - image_size.y * 0.5f));
                    window.draw(attached_image_sprite);
                } else {
                    sf::RectangleShape rect(sf::Vector2f(640.0f, 480.0f));
                    rect.setFillColor(sf::Color::White);
                    auto content_size = window_size;
                    auto rect_size = clamp_to_size(rect.getSize(), content_size);
                    rect.setSize(rect_size);
                    rect.setPosition(std::floor(content_size.x * 0.5f - rect_size.x * 0.5f), std::floor(content_size.y * 0.5f - rect_size.y * 0.5f));
                    window.draw(rect);
                }
            } else if(navigation_stage == NavigationStage::REPLYING) {
                window.draw(comment_input_shade);
                window.draw(logo_sprite);
                comment_input.draw(window);
                thread_body->draw(window, body_pos, body_size);
            } else if(navigation_stage == NavigationStage::VIEWING_COMMENTS) {
                window.draw(comment_input_shade);
                window.draw(logo_sprite);
                comment_input.draw(window);
                thread_body->draw(window, body_pos, body_size);
            }
            window.display();
        }

        // TODO: Instead of waiting for them, kill them somehow
        if(captcha_request_future.valid())
            captcha_request_future.get();
        if(captcha_post_solution_future.valid())
            captcha_post_solution_future.get();
        if(post_comment_future.valid())
            post_comment_future.get();
        if(load_image_future.valid())
            load_image_future.get();
    }

    void Program::chat_login_page() {
        assert(strcmp(plugin_name, "matrix") == 0);

        SearchBar login_input(*font, nullptr, "Username");
        SearchBar password_input(*font, nullptr, "Password", true);
        SearchBar homeserver_input(*font, nullptr, "Homeserver");

        sf::Text status_text("", *font, 18);

        const int num_inputs = 3;
        SearchBar *inputs[num_inputs] = { &login_input, &password_input, &homeserver_input };
        int focused_input = 0;

        auto text_submit_callback = [this, inputs, &status_text](const sf::String&) {
            for(int i = 0; i < num_inputs; ++i) {
                if(inputs[i]->get_text().empty()) {
                    status_text.setString("All fields need to be filled in");
                    return;
                }
            }

            std::string err_msg;
            // TODO: Make asynchronous
            if(matrix->login(inputs[0]->get_text(), inputs[1]->get_text(), inputs[2]->get_text(), err_msg) == PluginResult::OK) {
                current_page = PageType::CHAT;
            } else {
                status_text.setString("Failed to login, error: " + err_msg);
            }
            return;
        };

        for(int i = 0; i < num_inputs; ++i) {
            inputs[i]->caret_visible = false;
            inputs[i]->onTextSubmitCallback = text_submit_callback;
        }
        inputs[focused_input]->caret_visible = true;

        sf::Vector2f body_pos;
        sf::Vector2f body_size;
        bool redraw = true;
        sf::Event event;

        auto body = create_body();

        while (current_page == PageType::CHAT_LOGIN) {
            while (window.pollEvent(event)) {
                base_event_handler(event, PageType::EXIT, body.get(), nullptr, false, false);
                if(event.type == sf::Event::Resized || event.type == sf::Event::GainedFocus) {
                    redraw = true;
                } else if(event.type == sf::Event::TextEntered) {
                    inputs[focused_input]->onTextEntered(event.text.unicode);
                } else if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Tab) {
                    for(int i = 0; i < num_inputs; ++i) {
                        inputs[i]->caret_visible = false;
                    }
                    focused_input = (focused_input + 1) % num_inputs;
                    inputs[focused_input]->caret_visible = true;
                }
                inputs[focused_input]->on_event(event);
            }

            if(redraw) {
                redraw = false;
                get_body_dimensions(window_size, nullptr, body_pos, body_size);
            }

            window.clear(back_color);
            body->draw(window, body_pos, body_size);
            float y = 0.0f;
            for(int i = 0; i < num_inputs; ++i) {
                inputs[i]->set_vertical_position(y);
                inputs[i]->update();
                inputs[i]->draw(window);
                y += inputs[i]->getBottomWithoutShadow();
            }
            status_text.setPosition(0.0f, y + 10.0f);
            window.draw(status_text);
            window.display();
        }
    }

    enum class ChatTabType {
        MESSAGES,
        ROOMS
    };

    struct ChatTab {
        ChatTabType type;
        std::unique_ptr<Body> body;
        std::future<BodyItems> future;
        sf::Text text;
    };

    static std::string extract_first_line(const std::string &str, size_t max_length) {
        size_t index = str.find('\n');
        if(index == std::string::npos) {
            if(str.size() > max_length)
                return str.substr(0, max_length) + " (...)";
            return str;
        } else if(index == 0) {
            return "";
        } else {
            return str.substr(0, std::min(index, max_length)) + " (...)";
        }
    }

    void Program::chat_page() {
        assert(strcmp(plugin_name, "matrix") == 0);

        auto video_page = std::make_unique<MatrixVideoPage>(this);

        std::vector<ChatTab> tabs;
        int selected_tab = 0;

        ChatTab messages_tab;
        messages_tab.type = ChatTabType::MESSAGES;
        messages_tab.body = std::make_unique<Body>(this, font.get(), bold_font.get(), cjk_font.get());
        messages_tab.body->draw_thumbnails = true;
        messages_tab.body->thumbnail_resize_target_size.x = 600;
        messages_tab.body->thumbnail_resize_target_size.y = 337;
        messages_tab.body->thumbnail_fallback_size.x = 32;
        messages_tab.body->thumbnail_fallback_size.y = 32;
        //messages_tab.body->line_seperator_color = sf::Color::Transparent;
        messages_tab.text = sf::Text("Messages", *font, tab_text_size);
        tabs.push_back(std::move(messages_tab));

        ChatTab rooms_tab;
        rooms_tab.type = ChatTabType::ROOMS;
        rooms_tab.body = std::make_unique<Body>(this, font.get(), bold_font.get(), cjk_font.get());
        rooms_tab.body->draw_thumbnails = true;
        //rooms_tab.body->line_seperator_color = sf::Color::Transparent;
        rooms_tab.body->thumbnail_fallback_size.x = 32;
        rooms_tab.body->thumbnail_fallback_size.y = 32;
        rooms_tab.text = sf::Text("Rooms", *font, tab_text_size);
        tabs.push_back(std::move(rooms_tab));

        const int MESSAGES_TAB_INDEX = 0;
        const int ROOMS_TAB_INDEX = 1;

        // This is needed to get initial data, with joined rooms etc. TODO: Remove this once its cached
        // and allow asynchronous update of rooms
        bool synced = false;

        struct RoomBodyData {
            std::shared_ptr<BodyItem> body_item;
            bool last_message_read;
            time_t last_read_message_timestamp;
        };

        std::unordered_map<std::string, RoomBodyData> body_items_by_room_id;
        std::string current_room_id;
        RoomBodyData *current_room_body_data = nullptr;

        bool is_window_focused = window.hasFocus();

        auto process_new_room_messages = [this, &body_items_by_room_id, &current_room_id, &is_window_focused](RoomSyncMessages &room_sync_messages, bool only_show_mentions) mutable {
            for(auto &[room, messages] : room_sync_messages) {
                bool was_mentioned = false;
                for(auto &message : messages) {
                    if(message->mentions_me) {
                        was_mentioned = true;
                        message->mentions_me = false;
                        // TODO: What if the message or username begins with "-"? also make the notification image be the avatar of the user
                        if(!is_window_focused || room->id != current_room_id)
                            show_notification("QuickMedia matrix - " + matrix->message_get_author_displayname(message.get()) + " (" + room->name + ")", message->body);
                    }
                }

                auto room_body_item_it = body_items_by_room_id.find(room->id);
                if(room_body_item_it == body_items_by_room_id.end())
                    continue;

                // TODO: this wont always because we dont display all types of messages from server, such as "joined", "left", "kicked", "banned", "changed avatar", "changed display name", etc.
                // TODO: Update local marker when another client with our user sets read marker, in that case our read marker (room->get_user_read_marker) will be updated.
                bool unread_messages_previous_session = false;
                if(!messages.empty()) {
                    std::shared_ptr<UserInfo> me = matrix->get_me(room->id);
                    if(me && room->get_user_read_marker(me) != messages.back()->event_id)
                        unread_messages_previous_session = true;
                }

                if(only_show_mentions && !unread_messages_previous_session) {
                    std::string room_desc;
                    if(!messages.empty())
                        room_desc = matrix->message_get_author_displayname(messages.back().get()) + ": " + extract_first_line(messages.back()->body, 150);
                    if(was_mentioned) {
                        room_desc += "\n** You were mentioned **"; // TODO: Better notification?
                        room_body_item_it->second.body_item->title_color = sf::Color(255, 100, 100);
                        room_body_item_it->second.last_message_read = false;
                    }
                    room_body_item_it->second.body_item->set_description(std::move(room_desc));
                } else if(!messages.empty()) {
                    std::string room_desc = "Unread: " + matrix->message_get_author_displayname(messages.back().get()) + ": " + extract_first_line(messages.back()->body, 150);
                    if(was_mentioned)
                        room_desc += "\n** You were mentioned **"; // TODO: Better notification?
                    room_body_item_it->second.body_item->set_description(std::move(room_desc));
                    room_body_item_it->second.body_item->title_color = sf::Color(255, 100, 100);
                    room_body_item_it->second.last_message_read = false;
                }
            }
        };

        enum class ChatState {
            NAVIGATING,
            TYPING_MESSAGE,
            REPLYING,
            EDITING,
            URL_SELECTION
        };

        PageType new_page = PageType::CHAT;
        ChatState chat_state = ChatState::NAVIGATING;

        std::shared_ptr<BodyItem> currently_operating_on_item;
        sf::Text replying_to_text("Replying to:", *font, 18);

        sf::Sprite logo_sprite(plugin_logo);

        Entry chat_input("Press m or i to begin writing a message...", font.get(), cjk_font.get());
        chat_input.draw_background = false;
        chat_input.set_editable(false);

        chat_input.on_submit_callback = [this, &chat_input, &tabs, &selected_tab, &current_room_id, &new_page, &chat_state, &currently_operating_on_item](const std::string &text) mutable {
            if(tabs[selected_tab].type == ChatTabType::MESSAGES) {
                if(text.empty())
                    return false;

                if(chat_state == ChatState::TYPING_MESSAGE && text[0] == '/') {
                    std::string command = strip(text);
                    if(command == "/upload") {
                        new_page = PageType::FILE_MANAGER;
                        chat_input.set_editable(false);
                        chat_state = ChatState::NAVIGATING;
                        return true;
                    } else if(command == "/logout") {
                        new_page = PageType::CHAT_LOGIN;
                        chat_input.set_editable(false);
                        chat_state = ChatState::NAVIGATING;
                        return true;
                    } else {
                        fprintf(stderr, "Error: invalid command: %s, expected /upload\n", command.c_str());
                        return false;
                    }
                }

                tabs[selected_tab].body->select_last_item();

                if(chat_state == ChatState::TYPING_MESSAGE) {
                    // TODO: Make asynchronous
                    if(matrix->post_message(current_room_id, text, std::nullopt, std::nullopt) == PluginResult::OK) {
                        chat_input.set_editable(false);
                        chat_state = ChatState::NAVIGATING;
                        return true;
                    } else {
                        show_notification("QuickMedia", "Failed to post matrix message", Urgency::CRITICAL);
                        return false;
                    }
                } else if(chat_state == ChatState::REPLYING) {
                    // TODO: Make asynchronous
                    if(matrix->post_reply(current_room_id, text, currently_operating_on_item->userdata) == PluginResult::OK) {
                        chat_input.set_editable(false);
                        chat_state = ChatState::NAVIGATING;
                        currently_operating_on_item = nullptr;
                        return true;
                    } else {
                        show_notification("QuickMedia", "Failed to post matrix reply", Urgency::CRITICAL);
                        return false;
                    }
                } else if(chat_state == ChatState::EDITING) {
                    // TODO: Make asynchronous
                    if(matrix->post_edit(current_room_id, text, currently_operating_on_item->userdata) == PluginResult::OK) {
                        chat_input.set_editable(false);
                        chat_state = ChatState::NAVIGATING;
                        currently_operating_on_item = nullptr;
                        return true;
                    } else {
                        show_notification("QuickMedia", "Failed to post matrix edit", Urgency::CRITICAL);
                        return false;
                    }
                }
            }
            return false;
        };

        struct SyncFutureResult {
            BodyItems body_items;
            BodyItems rooms_body_items;
            RoomSyncMessages room_sync_messages;
        };

        std::future<SyncFutureResult> sync_future;
        bool sync_running = false;
        std::string sync_future_room_id;
        sf::Clock sync_timer;
        sf::Int32 sync_min_time_ms = 0; // Sync immediately the first time

        std::future<BodyItems> previous_messages_future;
        bool fetching_previous_messages_running = false;
        std::string previous_messages_future_room_id;

        const float tab_spacer_height = 0.0f;
        sf::Vector2f body_pos;
        sf::Vector2f body_size;
        bool redraw = true;
        sf::Event event;

        sf::RectangleShape tab_shade;
        tab_shade.setFillColor(sf::Color(33, 38, 44));

        sf::RoundedRectangleShape tab_background(sf::Vector2f(1.0f, 1.0f), 10.0f, 10);
        tab_background.setFillColor(tab_selected_color);

        const float gradient_height = 5.0f;
        sf::Vertex gradient_points[4];
        double gradient_inc = 0;

        sf::RectangleShape more_messages_below_rect;
        more_messages_below_rect.setFillColor(sf::Color(128, 50, 50));

        sf::RectangleShape chat_input_shade;
        chat_input_shade.setFillColor(sf::Color(33, 38, 44));

        sf::Clock start_typing_timer;
        const double typing_timeout_seconds = 3.0;
        bool typing = false;

        const float tab_vertical_offset = 10.0f;

        sf::Text room_name_text("", *font, 18);
        const float room_name_text_height = 20.0f;
        const float room_name_text_padding_y = 10.0f;
        const float room_name_total_height = room_name_text_height + room_name_text_padding_y * 2.0f;
        const float room_avatar_height = 32.0f;

        sf::Sprite room_avatar_sprite;
        auto room_avatar_thumbnail_data = std::make_shared<ThumbnailData>();
        AsyncImageLoader async_image_loader;

        auto typing_async_func = [this](bool new_state, std::string room_id) {
            if(new_state) {
                matrix->on_start_typing(room_id);
            } else {
                matrix->on_stop_typing(room_id);
            }
        };
        std::vector<std::future<void>> typing_futures;

        sf::Clock frame_timer;

        float prev_chat_height = chat_input.get_height();
        float chat_input_height_full = 0.0f;
        const float logo_padding_x = 15.0f;
        const float chat_input_padding_x = 15.0f;
        const float chat_input_padding_y = 15.0f;

        std::regex url_extract_regex("(http(s?):\\/\\/)?([a-zA-Z0-9\\-_]+\\.)+[a-zA-Z]+[^\\s.,]+");

        Body url_selection_body(this, font.get(), bold_font.get(), cjk_font.get());

        sf::Clock read_marker_timer;
        const sf::Int32 read_marker_timeout_ms_default = 3000;
        sf::Int32 read_marker_timeout_ms = 0;

        std::future<void> set_read_marker_future;
        bool setting_read_marker = false;

        auto launch_url = [this, &video_page, &redraw](const std::string &url) mutable {
            if(url.empty())
                return;

            std::string video_id;
            if(youtube_url_extract_id(url, video_id)) {
                page_stack.push(PageType::CHAT);
                watched_videos.clear();
                current_page = PageType::VIDEO_CONTENT;
                // TODO: Add title
                video_content_page(video_page.get(), url, "No title");
                redraw = true;
            } else {
                if(!is_program_executable_by_name("xdg-open")) {
                    show_notification("Nyaa.si", "xdg-utils which provides xdg-open needs to be installed to download torrents", Urgency::CRITICAL);
                    return;
                }
                std::string url_modified = url;
                if(strncmp(url.c_str(), "http://", 7) != 0 && strncmp(url.c_str(), "https://", 8) != 0)
                    url_modified = "https://" + url;
                const char *args[] = { "xdg-open", url_modified.c_str(), nullptr };
                exec_program_async(args, nullptr);
            }
        };

        // TODO: Remove this? it adds additional delay to launch.
        // TODO: Make async
        auto link_get_content_type = [this](const std::string &url) -> const char* {
            std::vector<CommandArg> additional_args = {
                { "-I", "" } // HEAD request, to get content-type
            };

            std::string program_result;
            if(download_to_string(url, program_result, std::move(additional_args), use_tor, true) != DownloadResult::OK) {
                fprintf(stderr, "HEAD request to %s failed\n", url.c_str());
                return nullptr;
            }

            const char *result = nullptr;
            string_split(program_result, '\n', [&result](const char *str, size_t size) mutable -> bool {
                if(size > 13 && strncasecmp(str, "content-type:", 13) == 0) {
                    std::string content_type_value(str + 13, size - 13);
                    content_type_value = strip(content_type_value);
                    if(strncasecmp(content_type_value.c_str(), "audio", 5) == 0) {
                        result = "audio";
                        return false;
                    } else if(strncasecmp(content_type_value.c_str(), "video", 5) == 0) {
                        result = "video";
                        return false;
                    } else if(strncasecmp(content_type_value.c_str(), "image", 5) == 0) {
                        result = "image";
                        return false;
                    }
                }
                return true;
            });

            return result;
        };

        while (current_page == PageType::CHAT) {
            sf::Int32 frame_time_ms = frame_timer.restart().asMilliseconds();
            while (window.pollEvent(event)) {
                base_event_handler(event, PageType::EXIT, tabs[selected_tab].body.get(), nullptr, false, false);
                if(event.type == sf::Event::GainedFocus) {
                    is_window_focused = true;
                    redraw = true;
                } else if(event.type == sf::Event::LostFocus) {
                    is_window_focused = false;
                } else if(event.type == sf::Event::Resized || event.type == sf::Event::GainedFocus) {
                    redraw = true;
                } else if(event.type == sf::Event::KeyPressed && chat_state == ChatState::NAVIGATING) {
                    if(event.key.code == sf::Keyboard::Up || event.key.code == sf::Keyboard::PageUp || event.key.code == sf::Keyboard::Home || event.key.code == sf::Keyboard::K)
                    {
                        bool hit_top = false;
                        switch(event.key.code) {
                            case sf::Keyboard::Up:
                            case sf::Keyboard::K:
                                hit_top = !tabs[selected_tab].body->select_previous_item();
                                break;
                            case sf::Keyboard::PageUp:
                                hit_top = !tabs[selected_tab].body->select_previous_page();
                                break;
                            case sf::Keyboard::Home:
                                tabs[selected_tab].body->select_first_item();
                                hit_top = true;
                                break;
                            default:
                                hit_top = false;
                                break;
                        }
                        if(hit_top && !fetching_previous_messages_running && tabs[selected_tab].type == ChatTabType::MESSAGES) {
                            gradient_inc = 0;
                            fetching_previous_messages_running = true;
                            previous_messages_future_room_id = current_room_id;
                            previous_messages_future = std::async(std::launch::async, [this, &previous_messages_future_room_id]() {
                                BodyItems result_items;
                                if(matrix->get_previous_room_messages(previous_messages_future_room_id, result_items) != PluginResult::OK)
                                    fprintf(stderr, "Failed to get previous matrix messages in room: %s\n", previous_messages_future_room_id.c_str());
                                return result_items;
                            });
                        }
                    } else if(event.key.code == sf::Keyboard::Down || event.key.code == sf::Keyboard::J) {
                        tabs[selected_tab].body->select_next_item();
                    } else if(event.key.code == sf::Keyboard::PageDown) {
                        tabs[selected_tab].body->select_next_page();
                    } else if(event.key.code == sf::Keyboard::End) {
                        tabs[selected_tab].body->select_last_item();
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        current_page = PageType::EXIT;
                    } else if((event.key.code == sf::Keyboard::Left || event.key.code == sf::Keyboard::H) && synced) {
                        tabs[selected_tab].body->clear_cache();
                        selected_tab = std::max(0, selected_tab - 1);
                        read_marker_timer.restart();
                        redraw = true;
                        if(typing) {
                            fprintf(stderr, "Stopped typing\n");
                            typing = false;
                            typing_futures.push_back(std::async(typing_async_func, false, current_room_id));
                        }
                    } else if((event.key.code == sf::Keyboard::Right || event.key.code == sf::Keyboard::L) && synced) {
                        tabs[selected_tab].body->clear_cache();
                        selected_tab = std::min((int)tabs.size() - 1, selected_tab + 1);
                        read_marker_timer.restart();
                        redraw = true;
                        if(typing) {
                            fprintf(stderr, "Stopped typing\n");
                            typing = false;
                            typing_futures.push_back(std::async(typing_async_func, false, current_room_id));
                        }
                    }

                    if(tabs[selected_tab].type == ChatTabType::MESSAGES && event.key.code == sf::Keyboard::Enter) {
                        BodyItem *selected = tabs[selected_tab].body->get_selected();
                        if(selected) {
                            if(!selected->url.empty()) {
                                const char *content_type = link_get_content_type(selected->url);
                                if(content_type && (strcmp(content_type, "audio") == 0 || strcmp(content_type, "video") == 0 || strcmp(content_type, "image") == 0)) {
                                    page_stack.push(PageType::CHAT);
                                    watched_videos.clear();
                                    current_page = PageType::VIDEO_CONTENT;
                                    // TODO: Add title
                                    video_content_page(video_page.get(), selected->url, "No title");
                                    redraw = true;
                                    continue;
                                }

                                launch_url(selected->url.c_str());
                                continue;
                            }

                            // TODO: If content type is a file, show file-manager prompt where it should be saved and asynchronously save it instead
                            
                            // TODO: Change this when messages are not stored in the description
                            const std::string &message_str = selected->get_description();
                            auto urls_begin = std::sregex_iterator(message_str.begin(), message_str.end(), url_extract_regex);
                            auto urls_end = std::sregex_iterator();
                            size_t num_urls = std::distance(urls_begin, urls_end);
                            if(num_urls == 1) {
                                launch_url(urls_begin->str());
                            } else if(num_urls > 1) {
                                chat_state = ChatState::URL_SELECTION;
                                url_selection_body.clear_items();
                                for(auto it = urls_begin; it != urls_end; ++it) {
                                    auto body_item = BodyItem::create(it->str());
                                    url_selection_body.items.push_back(std::move(body_item));
                                }
                            }
                        }
                    }
                } else if(event.type == sf::Event::KeyPressed && chat_state == ChatState::URL_SELECTION) {
                    if(event.key.code == sf::Keyboard::Up) {
                        url_selection_body.select_previous_item();
                    } else if(event.key.code == sf::Keyboard::Down) {
                        url_selection_body.select_next_item();
                    } else if(event.key.code == sf::Keyboard::PageUp) {
                        url_selection_body.select_previous_page();
                    } else if(event.key.code == sf::Keyboard::PageDown) {
                        url_selection_body.select_next_page();
                    } else if(event.key.code == sf::Keyboard::Home) {
                        url_selection_body.select_first_item();
                    } else if(event.key.code == sf::Keyboard::End) {
                        url_selection_body.select_last_item();
                    } else if(event.key.code == sf::Keyboard::Left) {
                        // TODO: Clear url_selection_body?
                        selected_tab = std::max(0, selected_tab - 1);
                        chat_state = ChatState::NAVIGATING;
                    } else if(event.key.code == sf::Keyboard::Right) {
                        selected_tab = std::min((int)tabs.size() - 1, selected_tab + 1);
                        chat_state = ChatState::NAVIGATING;
                    } else if(event.key.code == sf::Keyboard::Escape) {
                        url_selection_body.clear_items();
                        chat_state = ChatState::NAVIGATING;
                    } else if(event.key.code == sf::Keyboard::Enter) {
                        BodyItem *selected_item = url_selection_body.get_selected();
                        if(!selected_item)
                            continue;
                        launch_url(selected_item->get_title());
                    }
                } else if(event.type == sf::Event::KeyReleased && chat_state == ChatState::NAVIGATING && tabs[selected_tab].type == ChatTabType::MESSAGES) {
                    if(event.key.code == sf::Keyboard::U) {
                        new_page = PageType::FILE_MANAGER;
                        chat_input.set_editable(false);
                    }

                    if(event.key.code == sf::Keyboard::M || event.key.code == sf::Keyboard::I) {
                        chat_input.set_editable(true);
                        chat_state = ChatState::TYPING_MESSAGE;
                    }

                    if(event.key.control && event.key.code == sf::Keyboard::V) {
                        // TODO: Make asynchronous.
                        // TODO: Upload multiple files.
                        std::string err_msg;
                        if(matrix->post_file(current_room_id, sf::Clipboard::getString(), err_msg) != PluginResult::OK) {
                            std::string desc = "Failed to upload media to room, error: " + err_msg;
                            show_notification("QuickMedia", desc.c_str(), Urgency::CRITICAL);
                        }
                    }

                    if(event.key.code == sf::Keyboard::R) {
                        std::shared_ptr<BodyItem> selected = tabs[selected_tab].body->get_selected_shared();
                        if(selected) {
                            chat_state = ChatState::REPLYING;
                            currently_operating_on_item = selected;
                            chat_input.set_editable(true);
                            replying_to_text.setString("Replying to:");
                        } else {
                            // TODO: Show inline notification
                            show_notification("QuickMedia", "No message selected for replying");
                        }
                    }

                    if(event.key.code == sf::Keyboard::E) {
                        std::shared_ptr<BodyItem> selected = tabs[selected_tab].body->get_selected_shared();
                        if(selected) {
                            if(!selected->url.empty()) { // cant edit messages that are image/video posts
                                // TODO: Show inline notification
                                show_notification("QuickMedia", "You can only edit messages with no file attached to it");
                            } else if(!matrix->was_message_posted_by_me(selected->userdata)) {
                                // TODO: Show inline notification
                                show_notification("QuickMedia", "You can't edit a message that was posted by somebody else");
                            } else {
                                chat_state = ChatState::EDITING;
                                currently_operating_on_item = selected;
                                chat_input.set_editable(true);
                                chat_input.set_text(selected->get_description()); // TODO: Description? it may change in the future, in which case this should be edited
                                chat_input.move_caret_to_end();
                                replying_to_text.setString("Editing message:");
                            }
                        } else {
                            // TODO: Show inline notification
                            show_notification("QuickMedia", "No message selected for editing");
                        }
                    }
                    
                    if(event.key.code == sf::Keyboard::D) {
                        BodyItem *selected = tabs[selected_tab].body->get_selected();
                        if(selected) {
                            // TODO: Make asynchronous
                            std::string err_msg;
                            if(matrix->delete_message(current_room_id, selected->userdata, err_msg) != PluginResult::OK) {
                                // TODO: Show inline notification
                                show_notification("QuickMedia", "Failed to delete message, reason: " + err_msg, Urgency::CRITICAL);
                            }
                        } else {
                            // TODO: Show inline notification
                            show_notification("QuickMedia", "No message selected for deletion");
                        }
                    }
                }

                if((chat_state == ChatState::TYPING_MESSAGE || chat_state == ChatState::REPLYING || chat_state == ChatState::EDITING) && tabs[selected_tab].type == ChatTabType::MESSAGES) {
                    if(event.type == sf::Event::TextEntered) {
                        //chat_input.onTextEntered(event.text.unicode);
                        // TODO: Also show typing event when ctrl+v pasting?
                        if(event.text.unicode != 13) { // Return key
                            start_typing_timer.restart();
                            if(!typing) {
                                fprintf(stderr, "Started typing\n");
                                typing_futures.push_back(std::async(typing_async_func, true, current_room_id));
                            }
                            typing = true;
                        }
                    } else if(event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Escape) {
                        chat_input.set_editable(false);
                        chat_input.set_text("");
                        chat_state = ChatState::NAVIGATING;
                        currently_operating_on_item = nullptr;
                        if(typing) {
                            fprintf(stderr, "Stopped typing\n");
                            typing = false;
                            typing_futures.push_back(std::async(typing_async_func, false, current_room_id));
                        }
                    }
                    //chat_input.on_event(event);
                    chat_input.process_event(event);
                } else if(tabs[selected_tab].type == ChatTabType::ROOMS && event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Enter) {
                    BodyItem *selected_item = tabs[selected_tab].body->get_selected();
                    if(selected_item) {
                        tabs[selected_tab].body->clear_cache();
                        current_room_id = selected_item->url;
                        selected_tab = MESSAGES_TAB_INDEX;
                        tabs[MESSAGES_TAB_INDEX].body->clear_items();

                        BodyItems new_items;
                        if(matrix->get_all_synced_room_messages(current_room_id, new_items) == PluginResult::OK) {
                            tabs[MESSAGES_TAB_INDEX].body->insert_items_by_timestamps(std::move(new_items));
                            tabs[MESSAGES_TAB_INDEX].body->select_last_item();
                        } else {
                            std::string err_msg = "Failed to get messages in room: " + current_room_id;
                            show_notification("QuickMedia", err_msg, Urgency::CRITICAL);
                        }

                        auto room_body_item_it = body_items_by_room_id.find(current_room_id);
                        if(room_body_item_it != body_items_by_room_id.end()) {
                            current_room_body_data = &room_body_item_it->second;
                            room_name_text.setString(current_room_body_data->body_item->get_title());
                            room_avatar_thumbnail_data = std::make_shared<ThumbnailData>();
                        }

                        read_marker_timeout_ms = 0;
                        redraw = true;
                    }
                }
            }

            switch(new_page) {
                case PageType::FILE_MANAGER: {
                    new_page = PageType::CHAT;
                    
                    auto file_manager_page = std::make_unique<FileManagerPage>(this);
                    file_manager_page->set_current_directory(get_home_dir().data);
                    auto file_manager_body = create_body();
                    file_manager_page->get_files_in_directory(file_manager_body->items);
                    std::vector<Tab> tabs;
                    tabs.push_back(Tab{std::move(file_manager_body), std::move(file_manager_page), create_search_bar("Search...", SEARCH_DELAY_FILTER)});

                    selected_files.clear();
                    page_loop(std::move(tabs));

                    if(selected_files.empty()) {
                        fprintf(stderr, "No files selected!\n");
                    } else {
                        // TODO: Make asynchronous.
                        // TODO: Upload multiple files.
                        std::string err_msg;
                        if(matrix->post_file(current_room_id, selected_files[0], err_msg) != PluginResult::OK) {
                            std::string desc = "Failed to upload media to room, error: " + err_msg;
                            show_notification("QuickMedia", desc.c_str(), Urgency::CRITICAL);
                        }
                    }
                    redraw = true;
                    break;
                }
                case PageType::CHAT_LOGIN: {
                    new_page = PageType::CHAT;
                    matrix->logout();
                    tabs[MESSAGES_TAB_INDEX].body->clear_cache();
                    // TODO: Instead of doing this, exit this current function and navigate to chat login page instead.
                    // This doesn't currently work because at the end of this function there are futures that need to wait
                    // and one of them is /sync, which has a timeout of 30 seconds. That timeout has to be killed somehow.
                    //delete current_plugin;
                    //current_plugin = new Matrix();
                    current_page = PageType::CHAT_LOGIN;
                    chat_login_page();
                    if(current_page == PageType::CHAT)
                        chat_page();
                    exit(0);
                    break;
                }
                default:
                    break;
            }

            if(typing && start_typing_timer.getElapsedTime().asSeconds() >= typing_timeout_seconds) {
                fprintf(stderr, "Stopped typing\n");
                typing = false;
                typing_futures.push_back(std::async(typing_async_func, false, current_room_id));
            }

            for(auto it = typing_futures.begin(); it != typing_futures.end(); ) {
                if(!it->valid()) {
                    it = typing_futures.erase(it);
                    continue;
                }

                if(it->wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                    it->get();
                    it = typing_futures.erase(it);
                    continue;
                }

                ++it;
            }

            async_image_loader.update();
            if(current_room_body_data && room_avatar_thumbnail_data->loading_state == LoadingState::NOT_LOADED)
                async_image_loader.load_thumbnail(current_room_body_data->body_item->thumbnail_url, false, sf::Vector2i(), use_tor, room_avatar_thumbnail_data);

            if(room_avatar_thumbnail_data->loading_state == LoadingState::FINISHED_LOADING && room_avatar_thumbnail_data->image->getSize().x > 0 && room_avatar_thumbnail_data->image->getSize().y > 0) {
                if(!room_avatar_thumbnail_data->texture.loadFromImage(*room_avatar_thumbnail_data->image))
                    fprintf(stderr, "Warning: failed to load texture for room avatar\n");
                room_avatar_thumbnail_data->texture.setSmooth(true);
                //room_avatar_thumbnail_data->texture.generateMipmap();
                room_avatar_thumbnail_data->image.reset();
                room_avatar_thumbnail_data->loading_state = LoadingState::APPLIED_TO_TEXTURE;
                room_avatar_sprite.setTexture(room_avatar_thumbnail_data->texture, true);

                auto texture_size = room_avatar_sprite.getTexture()->getSize();
                if(texture_size.x > 0 && texture_size.y > 0) {
                    float width_ratio = (float)texture_size.x / (float)texture_size.y;
                    float height_scale = room_avatar_height / (float)texture_size.y;
                    float width_scale = height_scale * width_ratio;
                    room_avatar_sprite.setScale(width_scale, height_scale);
                }
            }

            const float room_name_padding_y = (selected_tab == MESSAGES_TAB_INDEX ? room_name_total_height : 0.0f);
            const float tab_shade_height = tab_spacer_height + std::floor(tab_vertical_offset) + tab_height + 10.0f + room_name_padding_y;

            chat_input_height_full = chat_input.get_height() + chat_input_padding_y * 2.0f;
            if(selected_tab != MESSAGES_TAB_INDEX)
                chat_input_height_full = 0.0f;

            const float chat_height = chat_input.get_height();
            if(std::abs(chat_height - prev_chat_height) > 1.0f) {
                prev_chat_height = chat_height;
                redraw = true;
            }

            if(redraw) {
                redraw = false;
                chat_input.set_max_width(window_size.x - (logo_padding_x + plugin_logo.getSize().x + chat_input_padding_x * 2.0f));
                chat_input.set_position(sf::Vector2f(logo_padding_x + plugin_logo.getSize().x + chat_input_padding_x, window_size.y - chat_height - chat_input_padding_y));

                float body_padding_horizontal = 25.0f;
                float body_padding_vertical = 5.0f;
                float body_width = window_size.x - body_padding_horizontal * 2.0f;
                if(body_width <= 480.0f) {
                    body_width = window_size.x;
                    body_padding_horizontal = 0.0f;
                }

                chat_input_shade.setSize(sf::Vector2f(window_size.x, chat_input_height_full));
                chat_input_shade.setPosition(0.0f, window_size.y - chat_input_shade.getSize().y);

                body_pos = sf::Vector2f(body_padding_horizontal, body_padding_vertical + tab_shade_height);
                body_size = sf::Vector2f(body_width, window_size.y - chat_input_shade.getSize().y - body_padding_vertical - tab_shade_height);

                more_messages_below_rect.setSize(sf::Vector2f(window_size.x, gradient_height));
                more_messages_below_rect.setPosition(0.0f, std::floor(window_size.y - chat_input_shade.getSize().y - gradient_height));

                logo_sprite.setPosition(logo_padding_x, window_size.y - chat_input_shade.getSize().y * 0.5f - plugin_logo.getSize().y * 0.5f);
            }

            if(!sync_running && sync_timer.getElapsedTime().asMilliseconds() >= sync_min_time_ms) {
                fprintf(stderr, "Time since last sync: %d ms\n", sync_timer.getElapsedTime().asMilliseconds());
                // TODO: What if the server just always responds immediately?
                sync_min_time_ms = 50;
                sync_running = true;
                sync_timer.restart();
                sync_future_room_id = current_room_id;
                sync_future = std::async(std::launch::async, [this, &sync_future_room_id, synced]() {
                    SyncFutureResult result;
                    if(matrix->sync(result.room_sync_messages) == PluginResult::OK) {
                        fprintf(stderr, "Synced matrix\n");

                        if(!synced) {
                            if(matrix->get_joined_rooms(result.rooms_body_items) != PluginResult::OK) {
                                show_notification("QuickMedia", "Failed to get a list of joined rooms", Urgency::CRITICAL);
                                current_page = PageType::EXIT;
                                return result;
                            }
                        }

                        if(sync_future_room_id.empty() && !result.rooms_body_items.empty())
                            sync_future_room_id = result.rooms_body_items[0]->url;

                        if(matrix->get_new_room_messages(sync_future_room_id, result.body_items) != PluginResult::OK) {
                            fprintf(stderr, "Failed to get new matrix messages in room: %s\n", sync_future_room_id.c_str());
                        }
                    } else {
                        fprintf(stderr, "Failed to sync matrix\n");
                    }

                    return result;
                });
            }

            if(sync_future.valid() && sync_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                SyncFutureResult sync_result = sync_future.get();
                // Ignore finished sync if it happened in another room. When we navigate back to the room we will get the messages again
                if(sync_future_room_id == current_room_id || !synced) {
                    int num_items = tabs[MESSAGES_TAB_INDEX].body->items.size();
                    bool scroll_to_end = (num_items == 0 || (num_items > 0 && tabs[MESSAGES_TAB_INDEX].body->get_selected_item() == num_items - 1));

                    BodyItem *selected_item = tabs[MESSAGES_TAB_INDEX].body->get_selected();
                    tabs[MESSAGES_TAB_INDEX].body->insert_items_by_timestamps(std::move(sync_result.body_items));
                    if(selected_item && !scroll_to_end) {
                        int selected_item_index = tabs[MESSAGES_TAB_INDEX].body->get_index_by_body_item(selected_item);
                        if(selected_item_index != -1)
                            tabs[MESSAGES_TAB_INDEX].body->set_selected_item(selected_item_index);
                    } else if(scroll_to_end) {
                        tabs[MESSAGES_TAB_INDEX].body->select_last_item();
                    }
                }

                // Initial sync
                if(!synced) {
                    tabs[ROOMS_TAB_INDEX].body->items = std::move(sync_result.rooms_body_items);

                    for(auto body_item : tabs[ROOMS_TAB_INDEX].body->items) {
                        body_items_by_room_id[body_item->url] = { body_item, true, 0 };
                    }

                    // The room id should be saved in a file when changing viewed room.
                    if(!tabs[ROOMS_TAB_INDEX].body->items.empty())
                        current_room_id = tabs[ROOMS_TAB_INDEX].body->items[0]->url;

                    auto room_body_item_it = body_items_by_room_id.find(current_room_id);
                    if(room_body_item_it != body_items_by_room_id.end()) {
                        current_room_body_data = &room_body_item_it->second;
                        room_name_text.setString(current_room_body_data->body_item->get_title());
                    }
                }

                process_new_room_messages(sync_result.room_sync_messages, !synced);
                sync_running = false;
                synced = true;
            }

            if(set_read_marker_future.valid() && set_read_marker_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                set_read_marker_future.get();
                read_marker_timer.restart();
                setting_read_marker = false;
            }

            if(fetching_previous_messages_running && previous_messages_future.valid() && previous_messages_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
                BodyItems new_body_items = previous_messages_future.get();
                fprintf(stderr, "Finished fetching older messages, num new messages: %zu\n", new_body_items.size());
                // Ignore finished fetch of messages if it happened in another room. When we navigate back to the room we will get the messages again
                size_t num_new_messages = new_body_items.size();
                if(previous_messages_future_room_id == current_room_id && num_new_messages > 0) {
                    BodyItem *selected_item = tabs[MESSAGES_TAB_INDEX].body->get_selected();
                    tabs[MESSAGES_TAB_INDEX].body->insert_items_by_timestamps(std::move(new_body_items));
                    if(selected_item) {
                        int selected_item_index = tabs[MESSAGES_TAB_INDEX].body->get_index_by_body_item(selected_item);
                        if(selected_item_index != -1)
                            tabs[MESSAGES_TAB_INDEX].body->set_selected_item(selected_item_index);
                    }
                }
                fetching_previous_messages_running = false;
            }

            //chat_input.update();

            window.clear(back_color);

            const float width_per_tab = window_size.x / tabs.size();
            tab_background.setSize(sf::Vector2f(std::floor(width_per_tab - tab_margin_x * 2.0f), tab_height));
            
            if(chat_state == ChatState::URL_SELECTION)
                url_selection_body.draw(window, body_pos, body_size);
            else
                tabs[selected_tab].body->draw(window, body_pos, body_size);
            const float tab_y = tab_spacer_height + std::floor(tab_vertical_offset + tab_height * 0.5f - (tab_text_size + 5.0f) * 0.5f) + room_name_padding_y;

            tab_shade.setSize(sf::Vector2f(window_size.x, tab_shade_height));
            window.draw(tab_shade);

            if(tabs[selected_tab].type == ChatTabType::MESSAGES) {
                float room_name_text_offset_x = 0.0f;
                if(room_avatar_sprite.getTexture() && room_avatar_sprite.getTexture()->getNativeHandle() != 0) {
                    auto room_avatar_texture_size = room_avatar_sprite.getTexture()->getSize();
                    room_avatar_texture_size.x *= room_avatar_sprite.getScale().x;
                    room_avatar_texture_size.y *= room_avatar_sprite.getScale().y;
                    room_avatar_sprite.setPosition(body_pos.x, room_name_total_height * 0.5f - room_avatar_texture_size.y * 0.5f + 5.0f);
                    window.draw(room_avatar_sprite);
                    room_name_text_offset_x += room_avatar_texture_size.x + 10.0f;
                }
                room_name_text.setPosition(body_pos.x + room_name_text_offset_x, room_name_text_padding_y);
                window.draw(room_name_text);
            }

            gradient_points[0].position.x = 0.0f;
            gradient_points[0].position.y = tab_shade_height;

            gradient_points[1].position.x = window_size.x;
            gradient_points[1].position.y = tab_shade_height;

            gradient_points[2].position.x = window_size.x;
            gradient_points[2].position.y = tab_shade_height + gradient_height;

            gradient_points[3].position.x = 0.0f;
            gradient_points[3].position.y = tab_shade_height + gradient_height;

            int i = 0;
            for(ChatTab &tab : tabs) {
                if(i == selected_tab) {
                    tab_background.setPosition(std::floor(i * width_per_tab + tab_margin_x), tab_spacer_height + std::floor(tab_vertical_offset) + room_name_padding_y);
                    window.draw(tab_background);
                }
                const float center = (i * width_per_tab) + (width_per_tab * 0.5f);
                tab.text.setPosition(std::floor(center - tab.text.getLocalBounds().width * 0.5f), tab_y);
                window.draw(tab.text);
                ++i;
            }

            // TODO: Have one for each room. Also add bottom one? for fetching new messages (currently not implemented, is it needed?)
            if(fetching_previous_messages_running && tabs[selected_tab].type == ChatTabType::MESSAGES) {
                double progress = 0.5 + std::sin(std::fmod(gradient_inc, 360.0) * 0.017453292519943295 - 1.5707963267948966*0.5) * 0.5;
                gradient_inc += (frame_time_ms * 0.5);
                sf::Color top_color = interpolate_colors(back_color, sf::Color(175, 180, 188), progress);

                gradient_points[0].color = top_color;
                gradient_points[1].color = top_color;
                gradient_points[2].color = back_color;
                gradient_points[3].color = back_color;
                window.draw(gradient_points, 4, sf::Quads); // Note: sf::Quads doesn't work with egl
            }

            if(chat_state == ChatState::REPLYING || chat_state == ChatState::EDITING) {
                const float margin = 5.0f;
                const float replying_to_text_height = replying_to_text.getLocalBounds().height + margin;

                const float item_height = std::min(body_size.y - replying_to_text_height - margin, tabs[MESSAGES_TAB_INDEX].body->get_item_height(currently_operating_on_item.get()) + margin);

                sf::RectangleShape overlay(sf::Vector2f(window_size.x, window_size.y - tab_shade_height - chat_input_height_full));
                overlay.setPosition(0.0f, tab_shade_height);
                overlay.setFillColor(sf::Color(0, 0, 0, 240));
                window.draw(overlay);

                sf::Vector2f body_item_pos(body_pos.x, window_size.y - chat_input_height_full - item_height);
                sf::Vector2f body_item_size(body_size.x, item_height);

                sf::RectangleShape item_background(sf::Vector2f(window_size.x, body_item_size.y + replying_to_text_height + margin));
                item_background.setPosition(sf::Vector2f(0.0f, body_item_pos.y - replying_to_text_height - margin));
                item_background.setFillColor(back_color);
                window.draw(item_background);
                
                replying_to_text.setPosition(body_item_pos.x, body_item_pos.y - replying_to_text_height);
                window.draw(replying_to_text);

                tabs[MESSAGES_TAB_INDEX].body->draw_item(window, currently_operating_on_item.get(), body_item_pos, body_item_size);
            }

            if(tabs[selected_tab].type == ChatTabType::MESSAGES && current_room_body_data) {
                if(tabs[selected_tab].body->is_last_item_fully_visible()) {
                    if(!current_room_body_data->last_message_read) {
                        std::string room_desc = current_room_body_data->body_item->get_description();
                        if(strncmp(room_desc.c_str(), "Unread: ", 8) == 0)
                            room_desc = room_desc.substr(8);
                        if(room_desc.size() >= 25 && strncmp(room_desc.c_str() + room_desc.size() - 25, "\n** You were mentioned **", 25) == 0)
                            room_desc = room_desc.substr(0, room_desc.size() - 25);
                        current_room_body_data->body_item->set_description(std::move(room_desc));
                        // TODO: Show a line like nheko instead for unread messages, or something else
                        current_room_body_data->body_item->title_color = sf::Color::White;
                        current_room_body_data->last_message_read = true;
                    }
                } else if(!current_room_body_data->last_message_read) {
                    window.draw(more_messages_below_rect);
                }
            }

            // TODO: Cache /sync, then we wont only see loading text
            if(!synced) {
                sf::Text loading_text("Loading...", *font, 24);
                loading_text.setPosition(body_pos.x + body_size.x * 0.5f - loading_text.getLocalBounds().width * 0.5f, body_pos.y + body_size.y * 0.5f - loading_text.getLocalBounds().height * 0.5f);
                window.draw(loading_text);
            }

            if(tabs[selected_tab].type == ChatTabType::MESSAGES) {
                BodyItem *last_visible_item = tabs[selected_tab].body->get_last_fully_visible_item();
                if(is_window_focused && chat_state != ChatState::URL_SELECTION && current_room_body_data && last_visible_item && !setting_read_marker && read_marker_timer.getElapsedTime().asMilliseconds() >= read_marker_timeout_ms) {
                    Message *message = (Message*)last_visible_item->userdata;
                    // TODO: What if two messages have the same timestamp?
                    if(message->timestamp > current_room_body_data->last_read_message_timestamp) {
                        read_marker_timeout_ms = read_marker_timeout_ms_default;
                        current_room_body_data->last_read_message_timestamp = message->timestamp;
                        // TODO: What if the message is no longer valid?
                        setting_read_marker = true;
                        set_read_marker_future = std::async(std::launch::async, [this, current_room_id, message]() mutable {
                            if(matrix->set_read_marker(current_room_id, message) != PluginResult::OK) {
                                fprintf(stderr, "Warning: failed to set read marker to %s\n", message->event_id.c_str());
                            }
                        });
                    }
                }

                window.draw(chat_input_shade);
                chat_input.draw(window); //chat_input.draw(window, false);
                window.draw(logo_sprite);
            }

            window.display();
        }

        exit(0); // Ignore futures and quit immediately
    }
}