#include <thread>
#include "GameRenderer.hpp"
#include "Player.hpp"
#include "Game.hpp"

using namespace std::literals::chrono_literals;

Game::Game() : renderer("Zombo Shooter", 800, 450), player(&renderer), map(&renderer, 40) {}

Game::~Game()
{
    stopping = true;
    update_thread.join();
}

void Game::update()
{
    while (!stopping) {
        player.update();

        renderer.redraw();

        map.check_bounds(player.x, player.y);

        std::this_thread::sleep_for(16666us);
    }
}

void Game::draw() const
{
    renderer.clear_screen(0x80, 0x40, 0xFF, 0xFF);

    map.draw(player.x, player.y);

    player.draw();

    renderer.flush();
}

void Game::run()
{
    update_thread = std::thread(&Game::update, this);

    while (true) {
        SDL_Event e;
        SDL_WaitEvent(&e);

        if (e.type == SDL_QUIT) {
            break;
        }

        if (e.type == SDL_KEYDOWN) {
            switch (e.key.keysym.sym) {
                case SDLK_RIGHT:
                case SDLK_d:
                    player.x_vel = player.speed;
                    break;
                case SDLK_LEFT:
                case SDLK_a:
                    player.x_vel = -player.speed;
                    break;
                case SDLK_DOWN:
                case SDLK_s:
                    player.y_vel = player.speed;
                    break;
                case SDLK_UP:
                case SDLK_w:
                    player.y_vel = -player.speed;
                    break;
            }
        }

        if (e.type == SDL_KEYUP) {
            switch (e.key.keysym.sym) {
                case SDLK_RIGHT:
                case SDLK_d:
                case SDLK_LEFT:
                case SDLK_a:
                    player.x_vel = 0;
                    break;
                case SDLK_DOWN:
                case SDLK_s:
                case SDLK_UP:
                case SDLK_w:
                    player.y_vel = 0;
                    break;
            }
        }

        draw();
    }
}