#include <SDL.h>
#include <stdbool.h>
#include <stdio.h>

const char* APP_NAME = "SDL2";
const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;

int main(int argc, char* args[]) {
	SDL_Window* window = NULL;
	SDL_Surface* screenSurface = NULL;

	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
		return -1;
	}

	window = SDL_CreateWindow(
		APP_NAME,
		SDL_WINDOWPOS_UNDEFINED,
		SDL_WINDOWPOS_UNDEFINED,
		SCREEN_WIDTH,
		SCREEN_HEIGHT,
		SDL_WINDOW_SHOWN
	);

	if (window == NULL) {
		printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
		return -2;
	}

	bool quit = false;
	SDL_Event e;
	screenSurface = SDL_GetWindowSurface(window);
	while (!quit) {
		while (SDL_PollEvent(&e) != 0) {
			if (e.type == SDL_QUIT) {
				quit = true;
			}
			SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));
			SDL_UpdateWindowSurface(window);
		}
	}
	SDL_DestroyWindow(window);
	SDL_Quit();

	return 0;
}