/*
* CGoal.h, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#pragma once

#include "AbstractGoal.h"
#include "../FuzzyHelper.h"
#include "../VCAI.h"

struct HeroPtr;
class VCAI;

namespace Goals
{
	template<typename T>
	class DLL_EXPORT CGoal : public AbstractGoal
	{
	public:
		CGoal(EGoals goal = INVALID) : AbstractGoal(goal)
		{
			priority = 0;
			isElementar = false;
			isAbstract = false;
			value = 0;
			aid = -1;
			objid = -1;
			resID = -1;
			tile = int3(-1, -1, -1);
			town = nullptr;
		}

		OSETTER(bool, isElementar)
		OSETTER(bool, isAbstract)
		OSETTER(float, priority)
		OSETTER(int, value)
		OSETTER(int, resID)
		OSETTER(int, objid)
		OSETTER(int, aid)
		OSETTER(int3, tile)
		OSETTER(HeroPtr, hero)
		OSETTER(CGTownInstance *, town)
		OSETTER(int, bid)

		void accept(VCAI * ai) override
		{
			ai->tryRealize(static_cast<T &>(*this)); //casting enforces template instantiation
		}

		float accept(FuzzyHelper * f) override
		{
			return f->evaluate(static_cast<T &>(*this)); //casting enforces template instantiation
		}

		CGoal * clone() const override
		{
			return new T(static_cast<T const &>(*this)); //casting enforces template instantiation
		}
		TSubgoal iAmElementar() const
		{
			TSubgoal ptr;

			ptr.reset(clone());
			ptr->setisElementar(true);

			return ptr;
		}

		bool operator==(const AbstractGoal & g) const override
		{
			if(goalType != g.goalType)
				return false;

			return (*this) == (static_cast<const T &>(g));
		}

		virtual bool operator==(const T & other) const = 0;
	};
}