#pragma once

#include <ReferenceCounter.h>
#include <functional>

class Item;
class ItemType;

class ItemFilter : public virtual Framework::ReferenceCounter
{
public:
	ItemFilter();
	virtual bool matchItem(const Item* zItem) const = 0;
};

class CombinedItemFilter : public ItemFilter
{
private:
	ItemFilter* filterA;
	ItemFilter* filterB;
	std::function<bool(bool, bool)> op;

public:
	CombinedItemFilter(ItemFilter* filterA, ItemFilter* filterB, std::function<bool(bool, bool)> op);
	bool matchItem(const Item* zItem) const override;
};

class AnyItemFilter : public ItemFilter
{
public:
	AnyItemFilter();
	bool matchItem(const Item* zItem) const override;
};

class TypeItemFilter : public ItemFilter
{
private:
	const ItemType* zType;

public:
	TypeItemFilter(const ItemType* zType);
	bool matchItem(const Item* zItem) const override;
};