#include <SFML/Graphics.hpp>
#include <iostream>

const int WINDOW_WIDTH = 500;
const int WINDOW_HEIGHT = 500;

const char *WINDOW_NAME = "Snakey";

const float RECT_SIZE = 20;
const sf::Vector2f INITIAL_RECT_POSITION{ WINDOW_WIDTH / 2 - 10, WINDOW_HEIGHT / 2 - 10};

sf::Vector2f deltaMovement{};

int main() {

    sf::RenderWindow window(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), WINDOW_NAME);
    window.setFramerateLimit(8);

    sf::RectangleShape rect(sf::Vector2f(RECT_SIZE, RECT_SIZE));
    rect.setFillColor(sf::Color::Blue);
    rect.setPosition(INITIAL_RECT_POSITION);

    while(window.isOpen())
    {

        //CRTANJE
        window.clear();

        window.draw(rect);

        window.display();

        //LOGIKA
        rect.move(deltaMovement);

        {
            float x = rect.getPosition().x;
            float y = rect.getPosition().y;

            if (x < 0 || x >= WINDOW_WIDTH || y < 0 || y >= WINDOW_HEIGHT) {
                std::cout << "Poginuli ste!" << std::endl;
                window.close();
            }
        }

        //EVENT HANDLING
        sf::Event event;
        while (window.pollEvent(event))
        {

            if (event.type == sf::Event::Closed) {
                window.close();
            }

            if (event.type == sf::Event::KeyPressed) {
                switch (event.key.code) {
                case sf::Keyboard::Up:
                    deltaMovement.x = 0;
                    deltaMovement.y = -RECT_SIZE;
                    break;
                case sf::Keyboard::Down:
                    deltaMovement.x = 0;
                    deltaMovement.y = RECT_SIZE;
                    break;
                case sf::Keyboard::Right:
                    deltaMovement.x = RECT_SIZE;
                    deltaMovement.y = 0;
                    break;
                case sf::Keyboard::Left:
                    deltaMovement.x = -RECT_SIZE;
                    deltaMovement.y = 0;
                    break;
                }
            }

        }
    }

    return 0;
}