#include "../include/Channel.hpp"
#include <cstring>

using namespace std;

namespace dchat
{
    Channel::Channel() : 
        messageBoard(sf::Vector2u(1.0f, 1.0f)),
        localOfflineUser("You")
    {
        {
            Message *message = new Message(&localOfflineUser);
            message->addText(u8"hello, worldåäö1!");
            message->addImage("https://discordemoji.com/assets/emoji/playtime.png");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&localOfflineUser);
            message->addText(u8"hello, world2!");
            messageBoard.addMessage(message);
        }
        
        {
            Message *message = new Message(&localOfflineUser);
            message->addText(u8"hello, world3!");
            messageBoard.addMessage(message);
        }
    }
    
    Channel::~Channel()
    {
        
    }
    
    void Channel::processEvent(const sf::Event &event)
    {
        if(event.type == sf::Event::TextEntered)
        {
            if(event.text.unicode == 8) // backspace
                chatbar.removePreviousChar();
            else if(event.text.unicode == 13) // enter
            {
                Message *message = new Message(&localOfflineUser);
                auto chatbarMsgUtf8 = chatbar.getString().toUtf8();
                string msg;
                msg.resize(chatbarMsgUtf8.size());
                memcpy(&msg[0], chatbarMsgUtf8.data(), chatbarMsgUtf8.size());
                
                message->addText(msg);
                messageBoard.addMessage(message);
                chatbar.clear();
            }
            else if(event.text.unicode == 127) // delete
            {
                chatbar.removeNextChar();
            }
            else
            {
                chatbar.addChar(event.text.unicode);
            }
        }
        else if(event.type == sf::Event::KeyPressed)
        {
            if(event.key.code == sf::Keyboard::Left)
                chatbar.moveCaretLeft();
            else if(event.key.code == sf::Keyboard::Right)
                chatbar.moveCaretRight();
        }
        messageBoard.processEvent(event);
    }
    
    void Channel::draw(sf::RenderWindow &window, Cache &cache)
    {
        messageBoard.draw(window, cache);
        chatbar.draw(window);
    }
}