import std.stdio;
import derelict.sdl2.sdl;
import derelict.opengl3.gl3;
import glamour.vao;
import glamour.vbo;

static import logo;
import mode;

immutable int N_GENTEX = 6;
immutable int N_CORPORATION = 11;

class ScreenSaver
{
    protected int m_width;
    protected int m_height;
    protected SDL_Window * m_window;
    protected SDL_GLContext m_context;

    this(int width, int height)
    {
        m_width = width;
        m_height = height;

        DerelictSDL2.load();

        DerelictGL3.load();

        if (SDL_Init(SDL_INIT_EVERYTHING))
        {
            writeln("Failed to initialize SDL!");
            return;
        }

        SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
        SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);

        m_window = SDL_CreateWindow("Gentex ScreenSaver",
                                    0,
                                    0,
                                    m_width,
                                    m_height,
                                    SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);

        m_context = SDL_GL_CreateContext(m_window);

        if (m_window == null)
        {
            writeln("Failed to create SDL window!");
            return;
        }

        DerelictGL3.reload();

        SDL_ShowCursor(0);

        logo.init();
    }

    public void run(Mode modes[])
    {
        modes[0].init(this);

        SDL_Event event;
        for (;;)
        {
            if (SDL_PollEvent(&event))
            {
                if ((event.type == SDL_QUIT) || (event.type == SDL_KEYDOWN))
                    break;
            }
            modes[0].display(this, SDL_GetTicks());
            SDL_GL_SwapWindow(m_window);
        }

        SDL_GL_DeleteContext(m_context);

        SDL_DestroyWindow(m_window);

        SDL_Quit();
    }

    public int get_width()
    {
        return m_width;
    }

    public int get_height()
    {
        return m_height;
    }
}