#include "../include/Channel.hpp"
#include <odhtdb/User.hpp>
#include <odhtdb/Database.hpp>
#include <cstring>

using namespace std;

namespace dchat
{
    static Channel *currentChannel;
    
    Channel::Channel(const string &_name, const odhtdb::DatabaseNode &_databaseNodeInfo, User *_localUser, odhtdb::Database *_database) : 
        database(_database),
        databaseNodeInfo(_databaseNodeInfo),
        name(_name),
        messageBoard(sf::Vector2u(1.0f, 1.0f)),
        localUser(_localUser ? _localUser : new OfflineUser("You"))
    {
        addUser(localUser);
        {
            Message *message = new Message(&systemUser, u8"hello, worldåäö1![emoji](https://discordemoji.com/assets/emoji/playtime.png)");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"hello, world2![emoji](https://discordemoji.com/assets/emoji/Feels3DMan.gif)");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"Lorem ipsumdolorsitamet,consecteturadipiscingelit,seddoeiusmodtemporincididuntutaboreetdoloremagnaaliqua.Utenimadminimveniam");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"xddd");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"[emoji](https://discordemoji.com/assets/emoji/SlowbroDumb.png)");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&systemUser, u8"Message after big emoji");
            messageBoard.addMessage(message);
        }
        
        if(database)
            database->seed(databaseNodeInfo);
    }
    
    Channel::~Channel()
    {
        if(database)
            database->stopSeeding(*databaseNodeInfo.getRequestHash());
        
        for(User *user : users)
        {
            delete user;
        }
    }
    
    User* Channel::getLocalUser()
    {
        return localUser;
    }
    
    MessageBoard& Channel::getMessageBoard()
    {
        return messageBoard;
    }
    
    const string& Channel::getName() const
    {
        return name;
    }
    
    const vector<User*> Channel::getUsers() const
    {
        return users;
    }
    
    User* Channel::getUserByPublicKey(const odhtdb::Signature::PublicKey &publicKey)
    {
        auto userIt = publicKeyOnlineUsersMap.find(publicKey);
        if(userIt != publicKeyOnlineUsersMap.end())
            return userIt->second;
        return nullptr;
    }
    
    void Channel::addLocalMessage(const std::string &msg, User *owner, u64 timestampSeconds)
    {
        assert(owner);
        messageBoard.addMessage(new Message(owner, msg, timestampSeconds));
    }
    
    void Channel::addMessage(const std::string &msg)
    {
        if(database && localUser->type == User::Type::ONLINE)
        {
            addLocalMessage(msg, localUser, database->getSyncedTimestampUtc().seconds);
            auto onlineUser = static_cast<OnlineUser*>(localUser);
            assert(onlineUser->databaseUser->getType() == odhtdb::User::Type::LOCAL);
            database->addData(databaseNodeInfo, static_cast<const odhtdb::LocalUser*>(onlineUser->databaseUser), odhtdb::DataView((void*)msg.data(), msg.size()));
            database->commit();
        }
        else
            addLocalMessage(msg, localUser, 0);
    }
    
    void Channel::addUser(User *user)
    {
        users.push_back(user);
        if(user->type == User::Type::ONLINE)
        {
            auto onlineUser = static_cast<OnlineUser*>(user);
            publicKeyOnlineUsersMap[onlineUser->databaseUser->getPublicKey()] = onlineUser;
        }
    }
    
    void Channel::processEvent(const sf::Event &event)
    {
        chatbar.processEvent(event, this);
        messageBoard.processEvent(event);
    }
    
    void Channel::draw(sf::RenderWindow &window, Cache &cache)
    {
        messageBoard.draw(window, cache);
        chatbar.draw(window);
    }
    
    void Channel::setCurrent(Channel *channel)
    {
        currentChannel = channel;
    }
    
    Channel* Channel::getCurrent()
    {
        return currentChannel;
    }
}