#include <SDL2/SDL.h>
#include <stdio.h>

int main (int argc, char *argv[])
{
    SDL_DisplayMode videomode;
    SDL_Window *window;
    SDL_Renderer *renderer;
    SDL_Event event;

    int running = 0;

    if (SDL_Init (SDL_INIT_VIDEO) != 0)
    {
        fprintf (stderr, "\nError initialising SDL video: %s\n", SDL_GetError ());
        return 1;
    }

    if (SDL_GetCurrentDisplayMode (0, &videomode) != 0)
    {
        fprintf (stderr, "Error getting current display mode: %s\n", SDL_GetError ());
        return 1;
    }

//BUG if I use SDL_WINDOW_MAXIMIZED flag?
    window = SDL_CreateWindow("Test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, videomode.w, videomode.h, SDL_WINDOW_MAXIMIZED);

    if (window == NULL)
    {
        fprintf (stderr, "Error creating window: %s\n", SDL_GetError());
        return 1;
    }

    renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);

    if (renderer == NULL)
    {
        fprintf (stderr, "Error creating software renderer: %s\n", SDL_GetError());
        return 1;
    }

    running = 1;
    while (running)
    {
        while (SDL_PollEvent (&event))
        {
            switch (event.type)
            {
                case SDL_QUIT:
                    running = 0;
                    break;

                case SDL_KEYDOWN:
                    if (event.key.keysym.sym == SDLK_ESCAPE)
                        running = 0;
                    break;
            }
        }

        SDL_RenderClear (renderer);
        SDL_RenderPresent (renderer);
    }
    SDL_Quit ();
}