#ifndef _KEYBOARD_H_
#define _KEYBOARD_H_

#include <doste/agent.h>
#include <doste/map.h>
#include <wgd/keyboard.h>
#include <wgd/common.h>
#include <bitset>
#include <list>
#include <map>

class IKeyboard : public doste::Agent
{
	friend class WgdKeyboard;
public:
	VOBJECT(doste::Agent, IKeyboard);
	BEGIN_EVENTS(doste::Agent);
	EVENT(keyEvent, wgd::WGD(wgd::ix::input)(wgd::ix::keyboard)("press"));
	END_EVENTS;
	
private:
	IKeyboard();
};

class WgdKeyboard
{
public:
	friend class IKeyboard;
	
	enum KeyVal
	{
		//Special keys with ascii values
		KEY_BKSPACE		= 8,
		KEY_TAB			= 9,
		KEY_RETURN		= 13,
		KEY_SHIFT		= 16,
		KEY_CTRL		= 17,
		KEY_PAUSE		= 19,
		KEY_ESCAPE		= 27,
		KEY_SPACE		= 32,
		KEY_F1			= 112,
		KEY_F2			= 113,
		KEY_F3			= 114,
		KEY_F4			= 115,
		KEY_F5			= 116,
		KEY_F6			= 117,
		KEY_F7			= 118,
		KEY_F8			= 119,
		KEY_F9			= 120,
		KEY_F10			= 121,
		KEY_F11			= 122,
		KEY_F12			= 123,
		
		//Special keys w/o ascii values
		KEY_END			= 128,
		KEY_PGDOWN		= 129,
		KEY_PGUP		= 130,
		KEY_HOME		= 131,
		KEY_INSERT		= 132,
		KEY_RCTRL		= 133,
		KEY_RSHIFT		= 134,
		KEY_ALT			= 135,
		KEY_ALTGR		= 136,
		KEY_DEL			= 137,
		KEY_ENTER		= 138,
		KEY_LEFT		= 139,
		KEY_UP			= 140,
		KEY_RIGHT		= 141,
		KEY_DOWN		= 142
	};
	
	
	static void init			();
	static void update			();
	
	static bool keyUp			(char	keyCode);
	static bool keyDown			(char	keyCode);
	static bool keyPressed		(char	keyCode);
	
	static bool keyUp			(KeyVal	keyCode);
	static bool keyDown			(KeyVal	keyCode);
	static bool keyPressed		(KeyVal	keyCode);
	
private:
	WgdKeyboard					()	{}	//Prevent external instanciation of this class
	static void setup			();
	
	static IKeyboard*			instance;
	static std::bitset<143>		keys;
	static std::bitset<143>		oldKeys;
	static std::list<wgd::OID>	keyList;
	static std::map<wgd::Key, unsigned char>	keyMap;
	
	//Callbacks, intended for internal use only
	static void cbPress			();
	static bool cbCheckRelease	(const wgd::OID& key);
};

#endif //_KEYBOARD_H_