#pragma once
#include <string>
#include <memory>
#include <vector>
#include <functional>
#include "ISaveable.h"

namespace ZL {

	struct Item {
		std::string id;
		std::string name;
		std::string description;
		std::string icon;
		std::string selectedIcon;

		Item() = default;
		Item(const std::string& _id, const std::string& _name, const std::string& _desc, const std::string& _icon)
			: id(_id), name(_name), description(_desc), icon(_icon) {
		}
	};

	class Inventory : public ISaveable {
	public:
		void addItem(const std::string& itemId);
		void removeItem(const std::string& itemId);
		// Resolves current items from ItemRegistry by id, so returned data
		// always reflects the currently loaded (localized) definitions.
		std::vector<Item> getItems() const;
		bool hasItem(const std::string& itemId) const;
		void clear() { itemIds.clear(); }
		size_t getCount() const { return itemIds.size(); }

		void save(nlohmann::json& out) const override;
		void load(const nlohmann::json& in) override;

		// Called whenever an item is added/removed; receives the item id.
		std::function<void(const std::string&)> onItemAdded;
		std::function<void(const std::string&)> onItemRemoved;

	private:
		std::vector<std::string> itemIds;
	};

} // namespace ZL