/*
 * =====================================================================================
 *
 *  OpenMiner
 *
 *  Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
 *  Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
 *
 *  This file is part of OpenMiner.
 *
 *  OpenMiner is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  OpenMiner is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * =====================================================================================
 */
#ifndef LUAMOD_HPP_
#define LUAMOD_HPP_

#include <queue>

#include <gk/core/IntTypes.hpp>

#include <entt/entt.hpp>

#include "LuaBiomeLoader.hpp"
#include "LuaBlockLoader.hpp"
#include "LuaDimensionLoader.hpp"
#include "LuaEntityLoader.hpp"
#include "LuaItemLoader.hpp"
#include "LuaRecipeLoader.hpp"
#include "LuaSkyLoader.hpp"

class EntityWrapper;
class ItemStack;
class PlayerList;
class Registry;
class ServerPlayer;
class WorldController;

// This class is meant to be used ONLY in Lua
class LuaMod {
	public:
		LuaMod(const std::string &id, Registry &registry, WorldController &worldController, PlayerList &players)
			: m_id(id), m_registry(registry), m_worldController(worldController), m_players(players) {}

		void commit();

		const std::string &id() const { return m_id; }

		std::string path() const { return "mods/" + m_id; }

		static void initUsertype(sol::state &lua);

	private:
		void spawnEntity(const std::string &entityID, const sol::table &table);
		void despawnEntity(EntityWrapper &entity);

		void giveItemStack(ServerPlayer &player, ItemStack *itemStack);

		enum class DefinitionType {
			Block,
			Item,
			CraftingRecipe,
			SmeltingRecipe,
			Sky,
			Tree,
			Biome,
			Dimension,
			Entity,
		};

		std::queue<std::pair<DefinitionType, sol::table>> m_defs;

		std::string m_id;

		// TODO: Add registry instance to loaders in order to avoid using singleton
		Registry &m_registry;
		WorldController &m_worldController;
		PlayerList &m_players;

		LuaBlockLoader m_blockLoader{*this};
		LuaItemLoader m_itemLoader{*this};
		LuaRecipeLoader m_recipeLoader;
		LuaSkyLoader m_skyLoader{*this};
		LuaBiomeLoader m_biomeLoader{*this};
		LuaDimensionLoader m_dimensionLoader{*this};
		LuaEntityLoader m_entityLoader{*this, m_worldController};
};

#endif // LUAMOD_HPP_