#pragma once

#include "AftrOpenGLIncludes.h"
#include <string>
#include <memory>


namespace Aftr
{
   class AftrFrameBufferObject;
   struct pimpl_freetype_hider;

   struct CharcodeData
   {
      GLuint textureHandle;
      size_t charWidth;
      size_t charHeight;
      size_t charAdvance;
      int charTop;
   };

   class FontDataShared
   {
   public:
      FontDataShared( std::string& fontPath, size_t fontSize );
      virtual ~FontDataShared();
      bool operator <( const FontDataShared& tex ) const;
      void init();
      size_t getFontSize() { return fontSize; }
      std::string getFontPath() { return fontPath; }

      size_t maxWidth = 0;
      size_t maxHeight = 0;

      #ifdef AFTR_CONFIG_USE_FREE_TYPE
         CharcodeData& getCharcodeData( unsigned char x );///< returns the CharcodeData for a given character from the map if it exists; if not, it loads it
      #endif

      //bool isCached( const std::string& str );
      //void cacheString( const std::string& str, AftrFrameBufferObject* fbo );///< returns true if item is in cache, false otherwise

      //std::map< std::string, AftrFrameBufferObject* > cache;

   protected:
      std::string fontPath;
      size_t fontSize;

      //pimpl wrapper to avoid including FreeType headers in this header file.
      std::unique_ptr< pimpl_freetype_hider > ft_data;
    
   };
}