#include <utility>
#include <SFML/Window/Event.hpp>
#include <SFML/Graphics/RenderWindow.hpp>

#include "game.h"
#include "../config.h"

Game::Game(std::shared_ptr<sf::RenderWindow> window) : window(std::move(window)), gameObjects() {
}

void Game::run() {
    sf::Clock clock;
    sf::Time TimeSinceLastUpdate = sf::seconds(0);

    while (window->isOpen()) {
        processEvents();
        TimeSinceLastUpdate += clock.restart();
        while (TimeSinceLastUpdate >= FRAME_TIME) {
            TimeSinceLastUpdate -= FRAME_TIME;

            update();
            processEvents();
        }
        drawFrame();
    }
}

void Game::exit() {
    window->close();
}

void Game::drawFrame() {
    window->clear(sf::Color::Black);

    for (auto &gameObject: gameObjects) {
        gameObject->draw(window.get());
    }

    window->display();
}

Game::~Game() {
    for (auto &gameObject: gameObjects) {
        delete gameObject;
    }
}

void Game::addGameObject(GameObject *gameObject) {
    gameObjects.push_back(gameObject);
}

void Game::update() {
    for (auto &gameObject: gameObjects) {
        gameObject->update();
    }
}


void Game::processEvents() {
    sf::Event event;
    while (window->pollEvent(event)) {
        switch (event.type) {
            case sf::Event::KeyPressed:
                break;
            case sf::Event::KeyReleased:
                break;
            case sf::Event::Closed:
                exit();
                break;
            default:
                break;
        }
    }
}