#ifndef BAG_H
#define BAG_H

/*************************************************************************/
/*  bag.h                                                                */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

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