/*
	This file is part of Daydream Engine.
	Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
	
	Daydream Engine is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.
	
	Daydream Engine is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Lesser General Public License for more details.
	
	You should have received a copy of the GNU Lesser General Public License
	along with Daydream Engine.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef InputController_h__
#define InputController_h__

#include <memory>

#include "EventBroker.h"
#include "EMouseMove.h"
#include "Input/EInputCommand.h"

namespace dd
{

template <typename EventContext>
class InputController
{
public:
	InputController(std::shared_ptr<dd::EventBroker> eventBroker)
		: EventBroker(eventBroker)
		, InGame(true)
	{ Initialize(); }

	virtual void Initialize()
	{
		EVENT_SUBSCRIBE_MEMBER(m_EInputCommand, &InputController::_OnCommand);
		EVENT_SUBSCRIBE_MEMBER(m_EMouseMove, &InputController::_OnMouseMove);
		EVENT_SUBSCRIBE_MEMBER(m_EGameStart, &InputController::OnGameStart);
		EVENT_SUBSCRIBE_MEMBER(m_EGameOver, &InputController::OnGameOver);
	}

	virtual bool OnCommand(const Events::InputCommand &event) { return false; }
	virtual bool OnMouseMove(const Events::MouseMove &event) { return false; }
	virtual bool OnGameStart(const Events::GameStart &event)
	{
		InGame = true;
		return true;
	}
	virtual bool OnGameOver(const Events::GameOver &event) 
	{ 
		InGame = false;
		return true; 
	}

protected:
	std::shared_ptr<dd::EventBroker> EventBroker;
	bool InGame;

private:
	EventRelay<EventContext, Events::InputCommand> m_EInputCommand;
	EventRelay<EventContext, Events::MouseMove> m_EMouseMove;
	EventRelay<EventContext, Events::GameStart> m_EGameStart;
	EventRelay<EventContext, Events::GameOver> m_EGameOver;

	virtual bool _OnCommand(const Events::InputCommand &event) 
	{ 
		if (InGame || event.Value == 0)
			return OnCommand(event);
		else
			return false;
	}
	virtual bool _OnMouseMove(const Events::MouseMove &event) 
	{ 
		if (InGame)
			return OnMouseMove(event);
		else
			return false; 
	}
};

}

#endif // InputController_h__