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/*
   client/keyboard.h
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#ifndef __INCLUDED_CLIENT_KEYBOARD_H__
#define __INCLUDED_CLIENT_KEYBOARD_H__

#include <string>
#include <map>
#include <list>

#include "SDL2/SDL.h"

#include "client/action.h"
#include "client/control.h"
#include "client/key.h"

namespace client
{

class Keyboard
{
public:	
	typedef std::map<unsigned int, Key *> Keys;

	typedef std::list<Action *> Actions;
	
	typedef std::list<Control *> Controls;

	Keyboard();
	~Keyboard();

	/// find a key by scancode
	Key *find(unsigned int scancode);

	/// find a key by name
	Key *find(std::string const & name);

	/// bind a string to a key, if str is empty, just list
	void bind(std::string const &name, const std::string str);

	/// clear the string bound to a key
	void unbind(std::string const &name);

	/// celar all key binds
	void unbindall();
	
	/// reset key states
	void reset();

	/// list keyboard key names
	void list_keys() const;

	/// list actions
	void list_actions() const;

	/// list keyboard binds
	void list_binds() const;

	/// load keyboard binds
	void load_binds();

	/// save keyboard binds
	void save_binds() const;
	
	/// load controls from key binds
	void load_controls();
	
	/// load default controls
	void load_defaults();

	/// a key has been pressed
	Key *press(const unsigned int scancode);

	/// a key has been pressed
	Key *press(Key *key);

	/// a key has been pressed
	Key *release(const unsigned int scancode);

	/// convert SDL_keysym to a keystroke
	static unsigned int translate_keysym(const unsigned int keysym, const int modifiers);
	
	inline Keys & keys()
	{
		return _keys;
	}
	
	inline Controls & controls()
	{
		return _controls;
	}

private:
	Key *add_key(const unsigned int scancode, const char *name, const char ascii = 0, const char *bind = 0);

	Action *add_action(const char *name, Action::Identifier id, const char *description = 0);
	
	Control *add_control(const char *name, const char *command, const char *keyname = 0);

	Keys 			_keys;
	Actions 		_actions;
	Controls		_controls;
};

}

#endif // __INCLUDED_CLIENT_KEYBOARD_H__