#include "Game.h"

Game::Game() {

}

void Game::_init() {
    _gameOver = false;
    _score = 0;
    _lblSstr << "Score: " << _score;
    _lblFontArial.loadFromFile("fonts\\arial.ttf");
    _lblScore.setCharacterSize(30);
    _lblScore.setPosition(10, 10);
    _lblScore.setFont(_lblFontArial);
    _lblScore.setString(_lblSstr.str());
    for (int i = 0; i < NUMBER_OF_COINS; i++) {
        _coins[i].init();
    }
    for (int i = 0; i < NUMBER_OF_ENEMIES; i++) {
        _enemies[i].init({ 30, 30 }, {(float)(rand() % 700 + 100), (float)(rand() % 400 + 100)});
    }
}

void Game::_victory() {
    _lblSstr.str("");
    _lblSstr << "You won!";
    _lblScore.setPosition(325, 250);
    _lblScore.setString(_lblSstr.str());
    _gameOver = true;
}

void Game::_scoreCheck() {
    if (_score >= 100) {
        _victory();
    }
 }

void Game::_checkForInput()
{
    if (GetAsyncKeyState(VK_UP))
    {
        _player.MoveDirection = 'U';
    }
    else if (GetAsyncKeyState(VK_DOWN)) {
        _player.MoveDirection = 'D';
    }
    else if (GetAsyncKeyState(VK_RIGHT))
    {
        _player.MoveDirection = 'R';
    }
    else if (GetAsyncKeyState(VK_LEFT)) {
        _player.MoveDirection = 'L';
    }
    else {
        _player.MoveDirection = 'C';
    }
}

void Game::_updateWorld() {
    _lblSstr.str("");
    _lblSstr << "Score: " << _score;
    _lblScore.setString(_lblSstr.str());
    _player.checkForMovement();
    _scoreCheck();
    for (int i = 0; i < NUMBER_OF_ENEMIES; i++) {
        _enemies[i].updateEnemy();
        _enemies[i].checkCollision(_player, _lblScore, _lblSstr, _gameOver);
    }
    for (int i = 0; i < NUMBER_OF_COINS; i++) {
        _coins[i].checkCollision(_player, _score);
    }
}

void Game::_draw(sf::RenderWindow &window)
{
    _player.drawTo(window);
    for (int i = 0; i < NUMBER_OF_COINS; i++) {
        _coins[i].drawTo(window);
    }
    for (int i = 0; i < NUMBER_OF_ENEMIES; i++) {
        _enemies[i].drawTo(window);
    }
    window.draw(_lblScore);

}

void Game::start()
{
    srand(time(NULL));
    _init();
    RenderWindow app(VideoMode(GAME_WIDTH, GAME_HEIGHT), "Cube Game", Style::Titlebar | Style::Close);
    Event WINDOW_CLOSE_EVENT;
    while (app.isOpen())
    {
        while (app.pollEvent(WINDOW_CLOSE_EVENT)) if (WINDOW_CLOSE_EVENT.type == Event::Closed) app.close();
        if (_gameOver != true) {
            _checkForInput();
            _updateWorld();
            app.clear(sf::Color::Blue);
            _draw(app);
            app.display();
            Sleep(FRAME_RATE);
        }
    }
}