#include "game.h"

// Constructor
Game::Game(SDL_Renderer *renderer, Asset *asset, Screen *screen, Input *input)
{

    this->renderer = renderer;
    this->asset = asset;
    this->screen = screen;
    this->input = input;

    eventHandler = new SDL_Event();
    map = new Map(asset->get("01.map"), renderer, asset);
    player = new Player(renderer, asset, input, map);
    debugText = new Text(asset->get("debug.png"), asset->get("debug.txt"), renderer);
}

// Destructor
Game::~Game()
{
    delete eventHandler;
    delete map;
    delete player;
    delete debugText;
}

// Bucle para el juego
section_t Game::run()
{
    init();

    while (section.name == SECTION_PROG_GAME)
    {
        // Sección juego jugando
        if (section.subsection == SUBSECTION_GAME_PLAY)
        {
            update();
            render();
        }
    }

    return section;
}

// Inicializa las variables necesarias para la sección 'Game'
void Game::init()
{
    ticks = 0;
    ticksSpeed = 15;

    section.name = SECTION_PROG_GAME;
    section.subsection = SUBSECTION_GAME_PLAY;

    debug = true;
}

// Actualiza el juego, las variables, comprueba la entrada, etc.
void Game::update()
{
    // Comprueba que la diferencia de ticks sea mayor a la velocidad del juego
    if (SDL_GetTicks() - ticks > ticksSpeed)
    {
        // Actualiza el contador de ticks
        ticks = SDL_GetTicks();

        // Comprueba los eventos que hay en la cola
        while (SDL_PollEvent(eventHandler) != 0)
        {
            // Evento de salida de la aplicación
            if (eventHandler->type == SDL_QUIT)
            {
                section.name = SECTION_PROG_QUIT;
                break;
            }
        }

        player->update();
        checkInput();
    }
}

// Pinta los objetos en pantalla
void Game::render()
{
    // Prepara para dibujar el frame
    screen->start();
    screen->clean();

    // Dibuja los objetos
    map->render();
    player->render();
    renderDebugInfo();

    // Actualiza la pantalla
    screen->blit();
}

// Comprueba la entrada
void Game::checkInput()
{
    if (input->checkInput(INPUT_BUTTON_2, REPEAT_FALSE))
    {
        debug = !debug;
    }

    if (input->checkInput(INPUT_BUTTON_3, REPEAT_FALSE))
    {
        delete player;
        player = new Player(renderer, asset, input, map);
    }
}

// Muestra información de depuración
void Game::renderDebugInfo()
{
    if (!debug)
    {
        return;
    }

    int line = 0;
    std::string text = "";

    text = std::to_string((int)player->sprite->getPosX()) + "," + std::to_string((int)player->sprite->getPosY());
    debugText->write(0, line, text, -1);

    text = "VY " + std::to_string(player->vy) + " " + std::to_string(player->jumpStrenght);
    debugText->write(0, line += 6, text, -1);

    text = "VX " + std::to_string(player->vx);
    debugText->write(0, line += 6, text, -1);

    text = "jump_pressed " + std::to_string(player->jumpPressed);
    debugText->write(0, line += 6, text, -1);

    text = "isOnFloor " + std::to_string(player->isOnFloor());
    debugText->write(0, line += 6, text, -1);

    text = "getTile " + std::to_string(player->map->getTile(player->collider[0]));
    debugText->write(0, line += 6, text, -1);
}