#ifndef BAG_H
#define BAG_H


#include "core/object/resource.h"
#include "core/containers/vector.h"

#include "../item_enums.h"

class ItemTemplate;
class ItemInstance;

class Bag : public Resource {
	GDCLASS(Bag, Resource);

public:
	int get_allowed_item_types() const;
	void set_allowed_item_types(const int value);

	bool add_item(Ref<ItemInstance> item);
	void add_item_at(int index, Ref<ItemInstance> item, bool signal = true);
	Ref<ItemInstance> get_item(const int index);
	Ref<ItemInstance> remove_item(const int index);
	void swap_items(const int item1_index, const int item2_index);
	void change_item_equip(int slot_id, Ref<ItemInstance> item);
	void set_item_count(int slot_id, int new_count);

	bool can_add_item(Ref<ItemInstance> item);

	int get_item_count();
	int get_valid_item_count();

	int get_size();
	void set_size(const int size);

	bool is_full();
	bool is_overburdened();

	bool has_item(Ref<ItemTemplate> item, int count);
	bool _has_item(Ref<ItemTemplate> item, int count);

	void remove_items(Ref<ItemTemplate> item, int count);
	void _remove_items(Ref<ItemTemplate> item, int count);

	Dictionary to_dict();
	void from_dict(const Dictionary &dict);

	Dictionary _to_dict();
	void _from_dict(const Dictionary &dict);

	Bag();
	~Bag();

protected:
	static void _bind_methods();

private:
	int _allowed_item_types;
	int _bag_size;
	Vector<Ref<ItemInstance>> _items;
};

#endif