#pragma once

#include <SDL2/SDL.h>

struct Screen;

typedef void (*ScreenDrawF)(struct Screen screen);
typedef void (*ScreenKeyPressedF)(struct Screen screen, int sdlscancode);
typedef void (*ScreenKeyReleasedF)(struct Screen screen, int sdlscancode);
typedef void (*ScreenMousePressedF)(struct Screen screen, int button);
typedef void (*ScreenMouseReleasedF)(struct Screen screen, int button);
typedef void (*ScreenMouseMovedF)(struct Screen screen, int dx, int dy);

struct Screen {
    int Width;
    int Height;
    void *Context1;
    void *Context2;
    char *Title;
    SDL_Texture *Texture;

    ScreenDrawF Draw;
    ScreenKeyPressedF KeyPressed;
    ScreenKeyReleasedF KeyReleased;
    ScreenMousePressedF MousePressed;
    ScreenMouseReleasedF MouseReleased;
    ScreenMouseMovedF MouseMoved;
};

void ScreenInit();

void ScreenDraw();

int ScreenProcessEvents();

struct SDL_Texture *ScreenGetTexture(struct Screen screen);

struct Screen ScreenCreate(
    int w, int h, char *title,
    ScreenDrawF draw,
    ScreenKeyPressedF keypressed,
    ScreenKeyReleasedF keyreleased,
    ScreenMousePressedF mousepressed,
    ScreenMouseReleasedF mousereleased,
    ScreenMouseMovedF mousemoved
);