#ifndef __OPENGLPLAYGROUND_TEXTURE_HH__
#define __OPENGLPLAYGROUND_TEXTURE_HH__

#include <string>
#include <cstdio>
#include <cassert>
#include <algorithm>

#include <glbinding/gl/types.h>

#include "common.hh"


class Framebuffer {
public:
  Framebuffer();

  ~Framebuffer();

  Framebuffer(Framebuffer const& copy) = delete;
  Framebuffer& operator=(Framebuffer const& copy) = delete;

  Framebuffer(Framebuffer && move);

  Framebuffer& operator=(Framebuffer && move);
  
  void bind() const;

  gl::GLuint getID() const {
    return _fbID;
  }

  void attachTexture(GLenum textarget, gl::GLuint texID);
  
private:
  gl::GLuint _fbID;
};

class TextureCubeMap {
public:
  TextureCubeMap(unsigned size);

  ~TextureCubeMap();

  TextureCubeMap(TextureCubeMap const& copy) = delete;
  TextureCubeMap& operator=(TextureCubeMap const& copy) = delete;

  TextureCubeMap(TextureCubeMap && move);

  TextureCubeMap& operator=(TextureCubeMap && move);
  
  void bind() const;

  gl::GLuint getID() const {
    return _texID;
  }
  
private:
  gl::GLuint _texID;
};

class Texture2D {
public:
  Texture2D(unsigned width, unsigned height, bool alpha = false);
  Texture2D(std::string const& file);
  Texture2D(SDL_Surface *surface);

  Texture2D(Texture2D const& copy) = delete;
  Texture2D& operator=(Texture2D const& copy) = delete;

  Texture2D(Texture2D&& move);
  Texture2D& operator=(Texture2D&& move);
  
  ~Texture2D();

  void bind() const;

  void copyFromSurface(SDL_Surface *src);
  SDL_Surface* copyToSurface();
  
private:

  void _glCreate(unsigned width, unsigned height, bool alpha = false);
  
  gl::GLuint texID_;
  unsigned width_, height_;
  bool alpha_;
};


#endif