#ifndef CLASS_MINI_MAP_PANEL
#define CLASS_MINI_MAP_PANEL

#include "graphic/Surface.h"
#include "graphic/Blitter.h"
#include "graphic/Image.h"

#include "DataTypes.h"
#include "IsoMiniMap.h"

/// this class implements a panel that contains a minimap with
/// its view rectangle
class MiniMapPanel
{
	private:
	 /// the rectangular image that limits the view of the scene
	 graphic::Image * _view_rect;
	 /// current visible limits of the minimap
	 SDL_Rect _mm_limits;

	 /// pointer to the minimap
	 IsoMiniMap * _mm;

	 // current visible limits of the renderer 
	 /// upper render limit
	 Sint16 _u_rlimit;
	 /// bottom render limit
	 Sint16 _b_rlimit;
	 /// left render limit
	 Sint16 _l_rlimit;
	 /// right render limit
	 Sint16 _r_rlimit;

	 /// scale of the minimap
	 int _mm_scale;

	public:
	 /// constructor
	 MiniMapPanel(IsoMiniMap * mm, graphic::Image * view_rect, SDL_Rect mm_limits);
	 /// destroyer
	 ~MiniMapPanel() { };

	 /// set renderer limits
	 void SetRendererLimits(Sint16 u_limit, Sint16 b_limit, Sint16 l_limit, Sint16 r_limit)
	 {
		 _u_rlimit = u_limit;
		 _b_rlimit = b_limit;
		 _l_rlimit = l_limit;
		 _r_rlimit = r_limit;
	 };

	 /// set X component of minimap limits
	 void SetLimitX(Sint16 x) { _mm_limits.x = x; };
	 /// set Y component of minimap limits
	 void SetLimitY(Sint16 y) { _mm_limits.y = y; };
	 /// set W component of minimap limits
	 void SetLimitW(Uint16 w) { _mm_limits.w = w; };
	 /// set Y component of minimap limits
	 void SetLimitH(Uint16 h) { _mm_limits.h = h; };
	 /// set all limits using the passed rectangle
	 void SetLimit(SDL_Rect * limit)
	 {
		 _mm_limits.x = limit->x;
		 _mm_limits.y = limit->y;
		 _mm_limits.w = limit->w;
		 _mm_limits.h = limit->h;
	 };

	 /// update the view of the minimap according to scene view position
	 void UpdateView(Sint16 x, Sint16 y);

	 /// mouse has been clicked on the panel at (x,y) point
	 void MouseClicked(Sint16 x, Sint16 y);

	 /// blit the panel on a dest surface
	 void Blit(graphic::Surface * dest);

	 /// blit the panel on a dest surface in the dest_rect position
	 void Blit(SDL_Rect dest_rect, graphic::Surface * dest);

	 /// return the view X position for the scene
	 Sint16 GetViewX() { return (_view_rect->GetX() + _mm_limits.x) * _mm_scale; };
	 /// return the view Y position for the scene
	 Sint16 GetViewY() { return (_view_rect->GetY() + _mm_limits.y) * _mm_scale; };

	 /// return the scale of the minimap
	 int GetScale() { return _mm_scale; };
};

#endif