#include "../../include/mglpp/window/Window.hpp"
#include "../../include/mglpp/graphics/Drawable.hpp"

namespace mgl {
    static void draw_callback(mgl_window *window, void *userdata) {
        Window *windowpp = (Window*)userdata;
        windowpp->get_delegate()->draw();
    }

    Window::Window(Delegate *delegate) : delegate(delegate) {
        window.window = 0;
    }

    Window::~Window() {
        mgl_window_deinit(&window);
    }

    bool Window::create(const char *title, int width, int height) {
        if(window.window)
            return false;

        mgl_window_callback callback;
        callback.userdata = this;
        callback.draw = draw_callback;
        return mgl_window_create_with_params(&window, title, width, height, 0, &callback) == 0;
    }

    void Window::poll_events() {
        if(!window.window)
            return;
        mgl_window_events_poll(&window);
    }

    void Window::draw() {
        if(!window.window)
            return;
        mgl_window_draw(&window);
    }

    void Window::draw(Drawable &drawable) {
        // TODO: Make the opengl context active for this thread and window, if it already isn't
        drawable.draw(*this);
    }

    vec2i Window::get_cursor_position() const {
        return { window.cursor_position.x, window.cursor_position.y };
    }

    Window::Delegate* Window::get_delegate() {
        return delegate;
    }
}