// Author : Jovian HERSEMEULE
#include <iostream>
#include <SDL/SDL.h>

int main()
{
    /// [1] Start
    // [1.1] Start SDL
    if ( SDL_Init( SDL_INIT_VIDEO ) < 0)
    {
        std::cout << "Can't initialize SDL: " << SDL_GetError() << std::endl;
        return 1;
    }

    // [1.2] Anticipate quit
    atexit(SDL_Quit);

    // [1.3] Set title
    SDL_WM_SetCaption("Application SDL", 0);

    /// [2] Create components
    // [2.1] Create window
    SDL_Surface* screen = SDL_SetVideoMode(640, 480, 32, SDL_HWSURFACE|SDL_DOUBLEBUF);
    if ( !screen )
    {
        std::cout << "Unable to set 640x480 video: " << SDL_GetError() << std::endl;
        return 1;
    }

    // [2.2] Other components
	// Nothing for now

    /// [3] Main loop
    bool done(false);
    while (!done)
    {
        // [3.1] Events
        SDL_Event event;
        while (SDL_PollEvent(&event))
        {
            switch (event.type)
            {
            case SDL_QUIT:
                done = true;
                break;
            case SDL_KEYDOWN:
                if (event.key.keysym.sym == SDLK_ESCAPE)
                    done = true;
                break;
            } // end switch event type
        } // end of message processing

        // [3.2] Compute
		// Nothing for now

        // [3.3] Draw phase
        SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 255, 255));

        // other draws

        SDL_Flip(screen);
    } // end of main loop

    ///[4] Free components
    SDL_FreeSurface(screen);

    std::cout << "No error caught." << std::endl;
    return 0;
}