#ifndef RENDERER_H_6A58EC30
#define RENDERER_H_6A58EC30

#include <SDL.h>
#include <SDL_image.h>
#include <stdexcept>
#include <memory>

class Game;

class sdl_error : public std::logic_error {
public:

  sdl_error() : std::logic_error(SDL_GetError())
  {
  }
};

class img_error : public std::logic_error {
public:

  img_error() : std::logic_error(IMG_GetError())
  {
  }
};

class sdl_wrapper {
public:

  sdl_wrapper()
  {
    if (SDL_Init(SDL_INIT_VIDEO) != 0)
    {
      sdl_error ex;
      SDL_Quit();

    	throw ex;
    }
  }

  ~sdl_wrapper()
  {
    SDL_Quit();
  }
};

class img_wrapper {
public:

  img_wrapper()
  {
    if (IMG_Init(IMG_INIT_PNG) != IMG_INIT_PNG)
    {
      img_error ex;
      IMG_Quit();

      throw ex;
    }
  }

  ~img_wrapper()
  {
    IMG_Quit();
  }
};

class window_deleter {
public:

  void operator()(SDL_Window* ptr)
  {
    SDL_DestroyWindow(ptr);
  }
};

using window_ptr = std::unique_ptr<SDL_Window, window_deleter>;

class renderer_deleter {
public:

  void operator()(SDL_Renderer* ptr)
  {
    SDL_DestroyRenderer(ptr);
  }
};

using renderer_ptr = std::unique_ptr<SDL_Renderer, renderer_deleter>;

class surface_deleter {
public:

  void operator()(SDL_Surface* ptr)
  {
    SDL_FreeSurface(ptr);
  }
};

using surface_ptr = std::unique_ptr<SDL_Surface, surface_deleter>;

class texture_deleter {
public:

  void operator()(SDL_Texture* ptr)
  {
    SDL_DestroyTexture(ptr);
  }
};

using texture_ptr = std::unique_ptr<SDL_Texture, texture_deleter>;

class Renderer {
public:

  Renderer();

  void render(
    const Game& game,
    bool drawDark = true);

  static std::tuple<int, int, int, int> calculateZoomRect(const Game& game);

private:

  sdl_wrapper sdl_;
  img_wrapper img_;
  window_ptr win_;
  renderer_ptr ren_;

  texture_ptr playerFade_;
  texture_ptr lampFade_;
  texture_ptr dustFade_;
};

#endif /* end of include guard: RENDERER_H_6A58EC30 */