/**
 * Tibia GIMUD Server - a free and open-source MMORPG server emulator
 * Copyright (C) 2019 Sabrehaven and Mark Samman <mark.samman@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef FS_LUASCRIPT_H_5344B2BC907E46E3943EA78574A212D8
#define FS_LUASCRIPT_H_5344B2BC907E46E3943EA78574A212D8

#if __has_include("luajit/lua.hpp")
#include <luajit/lua.hpp>
#else
#include <lua.hpp>
#endif

#if LUA_VERSION_NUM >= 502
#ifndef LUA_COMPAT_ALL
#ifndef LUA_COMPAT_MODULE
#define luaL_register(L, libname, l) (luaL_newlib(L, l), lua_pushvalue(L, -1), lua_setglobal(L, libname))
#endif
#undef lua_equal
#define lua_equal(L, i1, i2) lua_compare(L, (i1), (i2), LUA_OPEQ)
#endif
#endif

#include "database.h"
#include "enums.h"
#include "position.h"

class Thing;
class Creature;
class Player;
class Item;
class Container;
class AreaCombat;
class Combat;
class Condition;
class Npc;
class Monster;

enum {
	EVENT_ID_LOADING = 1,
	EVENT_ID_USER = 1000,
};

enum LuaVariantType_t {
	VARIANT_NONE,

	VARIANT_NUMBER,
	VARIANT_POSITION,
	VARIANT_TARGETPOSITION,
	VARIANT_STRING,
};

enum LuaDataType {
	LuaData_Unknown,

	LuaData_Item,
	LuaData_Container,
	LuaData_Teleport,
	LuaData_Player,
	LuaData_Monster,
	LuaData_Npc,
	LuaData_Tile,
};

struct LuaVariant {
	LuaVariantType_t type = VARIANT_NONE;
	std::string text;
	Position pos;
	uint32_t number = 0;
};

struct LuaTimerEventDesc {
	int32_t scriptId = -1;
	int32_t function = -1;
	std::list<int32_t> parameters;
	uint32_t eventId = 0;

	LuaTimerEventDesc() = default;
	LuaTimerEventDesc(LuaTimerEventDesc&& other) = default;
};

class LuaScriptInterface;
class Cylinder;
class Game;
class Npc;

class ScriptEnvironment
{
	public:
		ScriptEnvironment();
		~ScriptEnvironment();

		// non-copyable
		ScriptEnvironment(const ScriptEnvironment&) = delete;
		ScriptEnvironment& operator=(const ScriptEnvironment&) = delete;

		void resetEnv();

		void setScriptId(int32_t scriptId, LuaScriptInterface* scriptInterface) {
			this->scriptId = scriptId;
			interface = scriptInterface;
		}
		bool setCallbackId(int32_t callbackId, LuaScriptInterface* scriptInterface);

		int32_t getScriptId() const {
			return scriptId;
		}
		LuaScriptInterface* getScriptInterface() {
			return interface;
		}

		void setTimerEvent() {
			timerEvent = true;
		}

		void getEventInfo(int32_t& scriptId, LuaScriptInterface*& scriptInterface, int32_t& callbackId, bool& timerEvent) const;

		void addTempItem(Item* item);
		static void removeTempItem(Item* item);
		uint32_t addThing(Thing* thing);
		void insertItem(uint32_t uid, Item* item);

		static DBResult_ptr getResultByID(uint32_t id);
		static uint32_t addResult(DBResult_ptr res);
		static bool removeResult(uint32_t id);

		void setNpc(Npc* npc) {
			curNpc = npc;
		}
		Npc* getNpc() const {
			return curNpc;
		}

		Thing* getThingByUID(uint32_t uid);
		Item* getItemByUID(uint32_t uid);
		Container* getContainerByUID(uint32_t uid);
		void removeItemByUID(uint32_t uid);

	private:
		typedef std::vector<const LuaVariant*> VariantVector;
		typedef std::map<uint32_t, int32_t> StorageMap;
		typedef std::map<uint32_t, DBResult_ptr> DBResultMap;

		LuaScriptInterface* interface;

		//for npc scripts
		Npc* curNpc = nullptr;

		//temporary item list
		static std::multimap<ScriptEnvironment*, Item*> tempItems;

		//local item map
		std::unordered_map<uint32_t, Item*> localMap;
		uint32_t lastUID = std::numeric_limits<uint16_t>::max();

		//script file id
		int32_t scriptId;
		int32_t callbackId;
		bool timerEvent;

		//result map
		static uint32_t lastResultId;
		static DBResultMap tempResults;
};

#define reportErrorFunc(a)  reportError(__FUNCTION__, a, true)

enum ErrorCode_t {
	LUA_ERROR_PLAYER_NOT_FOUND,
	LUA_ERROR_CREATURE_NOT_FOUND,
	LUA_ERROR_ITEM_NOT_FOUND,
	LUA_ERROR_THING_NOT_FOUND,
	LUA_ERROR_TILE_NOT_FOUND,
	LUA_ERROR_HOUSE_NOT_FOUND,
	LUA_ERROR_COMBAT_NOT_FOUND,
	LUA_ERROR_CONDITION_NOT_FOUND,
	LUA_ERROR_AREA_NOT_FOUND,
	LUA_ERROR_CONTAINER_NOT_FOUND,
	LUA_ERROR_VARIANT_NOT_FOUND,
	LUA_ERROR_VARIANT_UNKNOWN,
	LUA_ERROR_SPELL_NOT_FOUND,
};

class LuaScriptInterface
{
	public:
		explicit LuaScriptInterface(std::string interfaceName);
		virtual ~LuaScriptInterface();

		// non-copyable
		LuaScriptInterface(const LuaScriptInterface&) = delete;
		LuaScriptInterface& operator=(const LuaScriptInterface&) = delete;

		virtual bool initState();
		bool reInitState();

		int32_t loadFile(const std::string& file, Npc* npc = nullptr);

		const std::string& getFileById(int32_t scriptId);
		int32_t getEvent(const std::string& eventName);
		int32_t getMetaEvent(const std::string& globalName, const std::string& eventName);

		static ScriptEnvironment* getScriptEnv() {
			assert(scriptEnvIndex >= 0 && scriptEnvIndex < 16);
			return scriptEnv + scriptEnvIndex;
		}

		static bool reserveScriptEnv() {
			return ++scriptEnvIndex < 16;
		}

		static void resetScriptEnv() {
			assert(scriptEnvIndex >= 0);
			scriptEnv[scriptEnvIndex--].resetEnv();
		}

		static void reportError(const char* function, const std::string& error_desc, bool stack_trace = false);

		const std::string& getInterfaceName() const {
			return interfaceName;
		}
		const std::string& getLastLuaError() const {
			return lastLuaError;
		}

		lua_State* getLuaState() const {
			return luaState;
		}

		bool pushFunction(int32_t functionId);

		static int luaErrorHandler(lua_State* L);
		bool callFunction(int params);
		void callVoidFunction(int params);

		//push/pop common structures
		static void pushThing(lua_State* L, Thing* thing);
		static void pushVariant(lua_State* L, const LuaVariant& var);
		static void pushString(lua_State* L, const std::string& value);
		static void pushCallback(lua_State* L, int32_t callback);
		static void pushCylinder(lua_State* L, Cylinder* cylinder);

		static std::string popString(lua_State* L);
		static int32_t popCallback(lua_State* L);

		// Userdata
		template<class T>
		static void pushUserdata(lua_State* L, T* value)
		{
			T** userdata = static_cast<T**>(lua_newuserdata(L, sizeof(T*)));
			*userdata = value;
		}

		// Metatables
		static void setMetatable(lua_State* L, int32_t index, const std::string& name);
		static void setWeakMetatable(lua_State* L, int32_t index, const std::string& name);

		static void setItemMetatable(lua_State* L, int32_t index, const Item* item);
		static void setCreatureMetatable(lua_State* L, int32_t index, const Creature* creature);

		// Get
		template<typename T>
		inline static typename std::enable_if<std::is_enum<T>::value, T>::type
			getNumber(lua_State* L, int32_t arg)
		{
			return static_cast<T>(static_cast<int64_t>(lua_tonumber(L, arg)));
		}
		template<typename T>
		inline static typename std::enable_if<std::is_integral<T>::value || std::is_floating_point<T>::value, T>::type
			getNumber(lua_State* L, int32_t arg)
		{
			return static_cast<T>(lua_tonumber(L, arg));
		}
		template<typename T>
		static T getNumber(lua_State *L, int32_t arg, T defaultValue)
		{
			const auto parameters = lua_gettop(L);
			if (parameters == 0 || arg > parameters) {
				return defaultValue;
			}
			return getNumber<T>(L, arg);
		}
		template<class T>
		static T* getUserdata(lua_State* L, int32_t arg)
		{
			T** userdata = getRawUserdata<T>(L, arg);
			if (!userdata) {
				return nullptr;
			}
			return *userdata;
		}
		template<class T>
		inline static T** getRawUserdata(lua_State* L, int32_t arg)
		{
			return static_cast<T**>(lua_touserdata(L, arg));
		}

		inline static bool getBoolean(lua_State* L, int32_t arg)
		{
			return lua_toboolean(L, arg) != 0;
		}
		inline static bool getBoolean(lua_State* L, int32_t arg, bool defaultValue)
		{
			const auto parameters = lua_gettop(L);
			if (parameters == 0 || arg > parameters) {
				return defaultValue;
			}
			return lua_toboolean(L, arg) != 0;
		}

		static std::string getString(lua_State* L, int32_t arg);
		static CombatDamage getCombatDamage(lua_State* L);
		static Position getPosition(lua_State* L, int32_t arg, int32_t& stackpos);
		static Position getPosition(lua_State* L, int32_t arg);
		static Outfit_t getOutfit(lua_State* L, int32_t arg);
		static LuaVariant getVariant(lua_State* L, int32_t arg);

		static Thing* getThing(lua_State* L, int32_t arg);
		static Creature* getCreature(lua_State* L, int32_t arg);
		static Player* getPlayer(lua_State* L, int32_t arg);

		template<typename T>
		static T getField(lua_State* L, int32_t arg, const std::string& key)
		{
			lua_getfield(L, arg, key.c_str());
			return getNumber<T>(L, -1);
		}

		static std::string getFieldString(lua_State* L, int32_t arg, const std::string& key);

		static LuaDataType getUserdataType(lua_State* L, int32_t arg);

		// Is
		inline static bool isNumber(lua_State* L, int32_t arg)
		{
			return lua_type(L, arg) == LUA_TNUMBER;
		}
		inline static bool isString(lua_State* L, int32_t arg)
		{
			return lua_isstring(L, arg) != 0;
		}
		inline static bool isBoolean(lua_State* L, int32_t arg)
		{
			return lua_isboolean(L, arg);
		}
		inline static bool isTable(lua_State* L, int32_t arg)
		{
			return lua_istable(L, arg);
		}
		inline static bool isFunction(lua_State* L, int32_t arg)
		{
			return lua_isfunction(L, arg);
		}
		inline static bool isUserdata(lua_State* L, int32_t arg)
		{
			return lua_isuserdata(L, arg) != 0;
		}

		// Push
		static void pushBoolean(lua_State* L, bool value);
		static void pushCombatDamage(lua_State* L, const CombatDamage& damage);
		static void pushPosition(lua_State* L, const Position& position, int32_t stackpos = 0);
		static void pushOutfit(lua_State* L, const Outfit_t& outfit);

		//
		inline static void setField(lua_State* L, const char* index, lua_Number value)
		{
			lua_pushnumber(L, value);
			lua_setfield(L, -2, index);
		}

		inline static void setField(lua_State* L, const char* index, const std::string& value)
		{
			pushString(L, value);
			lua_setfield(L, -2, index);
		}

		static std::string escapeString(const std::string& string);

#ifndef LUAJIT_VERSION
		static const luaL_Reg luaBitReg[7];
#endif
		static const luaL_Reg luaConfigManagerTable[4];
		static const luaL_Reg luaDatabaseTable[9];
		static const luaL_Reg luaResultTable[6];

		static int protectedCall(lua_State* L, int nargs, int nresults);

	protected:
		virtual bool closeState();

		void registerFunctions();

		void registerClass(const std::string& className, const std::string& baseClass, lua_CFunction newFunction = nullptr);
		void registerTable(const std::string& tableName);
		void registerMethod(const std::string& className, const std::string& methodName, lua_CFunction func);
		void registerMetaMethod(const std::string& className, const std::string& methodName, lua_CFunction func);
		void registerGlobalMethod(const std::string& functionName, lua_CFunction func);
		void registerVariable(const std::string& tableName, const std::string& name, lua_Number value);
		void registerGlobalVariable(const std::string& name, lua_Number value);
		void registerGlobalBoolean(const std::string& name, bool value);

		std::string getStackTrace(const std::string& error_desc);

		static std::string getErrorDesc(ErrorCode_t code);
		static bool getArea(lua_State* L, std::list<uint32_t>& list, uint32_t& rows);

		//lua functions
		static int luaDoCreateItem(lua_State* L);
		static int luaDoCreateItemEx(lua_State* L);
		static int luaDoMoveCreature(lua_State* L);

		static int luaDoPlayerAddItem(lua_State* L);
		static int luaDoTileAddItemEx(lua_State* L);
		static int luaDoSetCreatureLight(lua_State* L);

		//get item info
		static int luaGetDepotId(lua_State* L);

		//get creature info functions
		static int luaGetPlayerFlagValue(lua_State* L);
		static int luaGetCreatureCondition(lua_State* L);

		static int luaGetPlayerInstantSpellInfo(lua_State* L);
		static int luaGetPlayerInstantSpellCount(lua_State* L);

		static int luaGetWorldTime(lua_State* L);
		static int luaGetWorldLight(lua_State* L);
		static int luaGetWorldUpTime(lua_State* L);

		//type validation
		static int luaIsDepot(lua_State* L);
		static int luaIsMoveable(lua_State* L);
		static int luaIsValidUID(lua_State* L);

		//container
		static int luaDoAddContainerItem(lua_State* L);

		//
		static int luaCreateCombatArea(lua_State* L);

		static int luaDoAreaCombatHealth(lua_State* L);
		static int luaDoTargetCombatHealth(lua_State* L);

		//
		static int luaDoAreaCombatMana(lua_State* L);
		static int luaDoTargetCombatMana(lua_State* L);

		static int luaDoAreaCombatCondition(lua_State* L);
		static int luaDoTargetCombatCondition(lua_State* L);

		static int luaDoAreaCombatDispel(lua_State* L);
		static int luaDoTargetCombatDispel(lua_State* L);

		static int luaDoChallengeCreature(lua_State* L);

		static int luaSetCreatureOutfit(lua_State* L);
		static int luaSetMonsterOutfit(lua_State* L);
		static int luaSetItemOutfit(lua_State* L);

		static int luaDebugPrint(lua_State* L);
		static int luaIsInArray(lua_State* L);
		static int luaAddEvent(lua_State* L);
		static int luaStopEvent(lua_State* L);

		static int luaSaveServer(lua_State* L);
		static int luaCleanMap(lua_State* L);

		static int luaIsInWar(lua_State* L);

		static int luaGetWaypointPositionByName(lua_State* L);

		static int luaSendChannelMessage(lua_State* L);
		static int luaSendGuildChannelMessage(lua_State* L);

#ifndef LUAJIT_VERSION
		static int luaBitNot(lua_State* L);
		static int luaBitAnd(lua_State* L);
		static int luaBitOr(lua_State* L);
		static int luaBitXor(lua_State* L);
		static int luaBitLeftShift(lua_State* L);
		static int luaBitRightShift(lua_State* L);
#endif

		static int luaConfigManagerGetString(lua_State* L);
		static int luaConfigManagerGetNumber(lua_State* L);
		static int luaConfigManagerGetBoolean(lua_State* L);

		static int luaDatabaseExecute(lua_State* L);
		static int luaDatabaseAsyncExecute(lua_State* L);
		static int luaDatabaseStoreQuery(lua_State* L);
		static int luaDatabaseAsyncStoreQuery(lua_State* L);
		static int luaDatabaseEscapeString(lua_State* L);
		static int luaDatabaseEscapeBlob(lua_State* L);
		static int luaDatabaseLastInsertId(lua_State* L);
		static int luaDatabaseTableExists(lua_State* L);

		static int luaResultGetNumber(lua_State* L);
		static int luaResultGetString(lua_State* L);
		static int luaResultGetStream(lua_State* L);
		static int luaResultNext(lua_State* L);
		static int luaResultFree(lua_State* L);

		// Userdata
		static int luaUserdataCompare(lua_State* L);

		// _G
		static int luaIsType(lua_State* L);
		static int luaRawGetMetatable(lua_State* L);

		// random
		static int luaRandomRand(lua_State* L);

		// os
		static int luaSystemTime(lua_State* L);

		// table
		static int luaTableCreate(lua_State* L);

		// Game
		static int luaGameGetSpectators(lua_State* L);
		static int luaGameGetPlayers(lua_State* L);
		static int luaGameLoadMap(lua_State* L);

		static int luaGameGetExperienceStage(lua_State* L);
		static int luaGameGetMonsterCount(lua_State* L);
		static int luaGameGetPlayerCount(lua_State* L);
		static int luaGameGetNpcCount(lua_State* L);

		static int luaGameGetTowns(lua_State* L);
		static int luaGameGetHouses(lua_State* L);

		static int luaGameGetGameState(lua_State* L);
		static int luaGameSetGameState(lua_State* L);

		static int luaGameGetWorldType(lua_State* L);
		static int luaGameSetWorldType(lua_State* L);

		static int luaGameGetReturnMessage(lua_State* L);

		static int luaGameCreateItem(lua_State* L);
		static int luaGameCreateContainer(lua_State* L);
		static int luaGameCreateMonster(lua_State* L);
		static int luaGameCreateNpc(lua_State* L);
		static int luaGameCreateTile(lua_State* L);

		static int luaGameStartRaid(lua_State* L);

		static int luaGameReload(lua_State* L);

		// Variant
		static int luaVariantCreate(lua_State* L);

		static int luaVariantGetNumber(lua_State* L);
		static int luaVariantGetString(lua_State* L);
		static int luaVariantGetPosition(lua_State* L);

		// Position
		static int luaPositionCreate(lua_State* L);
		static int luaPositionAdd(lua_State* L);
		static int luaPositionSub(lua_State* L);
		static int luaPositionCompare(lua_State* L);

		static int luaPositionGetDistance(lua_State* L);
		static int luaPositionIsSightClear(lua_State* L);

		static int luaPositionSendMagicEffect(lua_State* L);
		static int luaPositionSendDistanceEffect(lua_State* L);
		static int luaPositionSendMonsterSay(lua_State* L);

		// Tile
		static int luaTileCreate(lua_State* L);

		static int luaTileGetPosition(lua_State* L);
		static int luaTileGetGround(lua_State* L);
		static int luaTileGetThing(lua_State* L);
		static int luaTileGetThingCount(lua_State* L);
		static int luaTileGetTopVisibleThing(lua_State* L);

		static int luaTileGetTopTopItem(lua_State* L);
		static int luaTileGetTopDownItem(lua_State* L);
		static int luaTileGetFieldItem(lua_State* L);

		static int luaTileGetItemById(lua_State* L);
		static int luaTileGetItemByType(lua_State* L);
		static int luaTileGetItemByTopOrder(lua_State* L);
		static int luaTileGetItemCountById(lua_State* L);

		static int luaTileGetBottomCreature(lua_State* L);
		static int luaTileGetTopCreature(lua_State* L);
		static int luaTileGetBottomVisibleCreature(lua_State* L);
		static int luaTileGetTopVisibleCreature(lua_State* L);

		static int luaTileGetItems(lua_State* L);
		static int luaTileGetItemCount(lua_State* L);
		static int luaTileGetDownItemCount(lua_State* L);
		static int luaTileGetTopItemCount(lua_State* L);

		static int luaTileGetCreatures(lua_State* L);
		static int luaTileGetCreatureCount(lua_State* L);

		static int luaTileHasProperty(lua_State* L);
		static int luaTileHasFlag(lua_State* L);

		static int luaTileGetThingIndex(lua_State* L);

		static int luaTileQueryAdd(lua_State* L);

		static int luaTileGetHouse(lua_State* L);

		// NetworkMessage
		static int luaNetworkMessageCreate(lua_State* L);
		static int luaNetworkMessageDelete(lua_State* L);

		static int luaNetworkMessageGetByte(lua_State* L);
		static int luaNetworkMessageGetU16(lua_State* L);
		static int luaNetworkMessageGetU32(lua_State* L);
		static int luaNetworkMessageGetU64(lua_State* L);
		static int luaNetworkMessageGetString(lua_State* L);
		static int luaNetworkMessageGetPosition(lua_State* L);

		static int luaNetworkMessageAddByte(lua_State* L);
		static int luaNetworkMessageAddU16(lua_State* L);
		static int luaNetworkMessageAddU32(lua_State* L);
		static int luaNetworkMessageAddU64(lua_State* L);
		static int luaNetworkMessageAddString(lua_State* L);
		static int luaNetworkMessageAddPosition(lua_State* L);
		static int luaNetworkMessageAddDouble(lua_State* L);
		static int luaNetworkMessageAddItem(lua_State* L);
		static int luaNetworkMessageAddItemId(lua_State* L);

		static int luaNetworkMessageReset(lua_State* L);
		static int luaNetworkMessageSkipBytes(lua_State* L);
		static int luaNetworkMessageSendToPlayer(lua_State* L);

		// Item
		static int luaItemCreate(lua_State* L);

		static int luaItemIsItem(lua_State* L);

		static int luaItemGetParent(lua_State* L);
		static int luaItemGetTopParent(lua_State* L);

		static int luaItemGetId(lua_State* L);

		static int luaItemClone(lua_State* L);
		static int luaItemSplit(lua_State* L);
		static int luaItemRemove(lua_State* L);

		static int luaItemGetMovementId(lua_State* L);
		static int luaItemSetMovementId(lua_State* L);
		static int luaItemGetActionId(lua_State* L);
		static int luaItemSetActionId(lua_State* L);
		static int luaItemGetUniqueId(lua_State* L);

		static int luaItemGetCount(lua_State* L);
		static int luaItemGetCharges(lua_State* L);
		static int luaItemGetFluidType(lua_State* L);
		static int luaItemGetWeight(lua_State* L);

		static int luaItemGetSubType(lua_State* L);

		static int luaItemGetName(lua_State* L);
		static int luaItemGetPluralName(lua_State* L);
		static int luaItemGetArticle(lua_State* L);

		static int luaItemGetPosition(lua_State* L);
		static int luaItemGetTile(lua_State* L);

		static int luaItemHasAttribute(lua_State* L);
		static int luaItemGetAttribute(lua_State* L);
		static int luaItemSetAttribute(lua_State* L);
		static int luaItemRemoveAttribute(lua_State* L);

		static int luaItemMoveTo(lua_State* L);
		static int luaItemTransform(lua_State* L);
		static int luaItemDecay(lua_State* L);

		static int luaItemGetDescription(lua_State* L);

		static int luaItemHasProperty(lua_State* L);

		// Container
		static int luaContainerCreate(lua_State* L);

		static int luaContainerGetSize(lua_State* L);
		static int luaContainerGetCapacity(lua_State* L);
		static int luaContainerGetEmptySlots(lua_State* L);

		static int luaContainerGetItemHoldingCount(lua_State* L);
		static int luaContainerGetItemCountById(lua_State* L);

		static int luaContainerGetItem(lua_State* L);
		static int luaContainerHasItem(lua_State* L);
		static int luaContainerAddItem(lua_State* L);
		static int luaContainerAddItemEx(lua_State* L);

		// Teleport
		static int luaTeleportCreate(lua_State* L);

		static int luaTeleportGetDestination(lua_State* L);
		static int luaTeleportSetDestination(lua_State* L);

		// Creature
		static int luaCreatureCreate(lua_State* L);

		static int luaCreatureGetEvents(lua_State* L);
		static int luaCreatureRegisterEvent(lua_State* L);
		static int luaCreatureUnregisterEvent(lua_State* L);

		static int luaCreatureIsRemoved(lua_State* L);
		static int luaCreatureIsCreature(lua_State* L);
		static int luaCreatureIsInGhostMode(lua_State* L);

		static int luaCreatureCanSee(lua_State* L);
		static int luaCreatureCanSeeCreature(lua_State* L);

		static int luaCreatureGetParent(lua_State* L);

		static int luaCreatureGetId(lua_State* L);
		static int luaCreatureGetName(lua_State* L);

		static int luaCreatureGetTarget(lua_State* L);
		static int luaCreatureSetTarget(lua_State* L);

		static int luaCreatureGetFollowCreature(lua_State* L);
		static int luaCreatureSetFollowCreature(lua_State* L);

		static int luaCreatureGetMaster(lua_State* L);
		static int luaCreatureSetMaster(lua_State* L);

		static int luaCreatureGetLight(lua_State* L);
		static int luaCreatureSetLight(lua_State* L);

		static int luaCreatureGetSpeed(lua_State* L);
		static int luaCreatureGetBaseSpeed(lua_State* L);
		static int luaCreatureChangeSpeed(lua_State* L);

		static int luaCreatureSetDropLoot(lua_State* L);

		static int luaCreatureGetPosition(lua_State* L);
		static int luaCreatureGetTile(lua_State* L);
		static int luaCreatureGetDirection(lua_State* L);
		static int luaCreatureSetDirection(lua_State* L);

		static int luaCreatureGetHealth(lua_State* L);
		static int luaCreatureAddHealth(lua_State* L);
		static int luaCreatureGetMaxHealth(lua_State* L);
		static int luaCreatureSetMaxHealth(lua_State* L);
		static int luaCreatureSetHiddenHealth(lua_State* L);

		static int luaCreatureGetSkull(lua_State* L);
		static int luaCreatureSetSkull(lua_State* L);

		static int luaCreatureGetOutfit(lua_State* L);
		static int luaCreatureSetOutfit(lua_State* L);

		static int luaCreatureGetCondition(lua_State* L);
		static int luaCreatureAddCondition(lua_State* L);
		static int luaCreatureRemoveCondition(lua_State* L);

		static int luaCreatureRemove(lua_State* L);
		static int luaCreatureTeleportTo(lua_State* L);
		static int luaCreatureSay(lua_State* L);

		static int luaCreatureGetDamageMap(lua_State* L);

		static int luaCreatureGetSummons(lua_State* L);

		static int luaCreatureGetDescription(lua_State* L);

		static int luaCreatureGetPathTo(lua_State* L);

		// Player
		static int luaPlayerCreate(lua_State* L);

		static int luaPlayerIsPlayer(lua_State* L);

		static int luaPlayerGetGuid(lua_State* L);
		static int luaPlayerGetIp(lua_State* L);
		static int luaPlayerGetAccountId(lua_State* L);
		static int luaPlayerGetLastLoginSaved(lua_State* L);
		static int luaPlayerGetLastLogout(lua_State* L);
		static int luaPlayerHasFlag(lua_State* L);

		static int luaPlayerGetAccountType(lua_State* L);
		static int luaPlayerSetAccountType(lua_State* L);

		static int luaPlayerGetCapacity(lua_State* L);
		static int luaPlayerSetCapacity(lua_State* L);

		static int luaPlayerGetFreeCapacity(lua_State* L);

		static int luaPlayerGetDepotChest(lua_State* L);

		static int luaPlayerGetMurderTimestamps(lua_State* L);
		static int luaPlayerGetPlayerKillerEnd(lua_State* L);
		static int luaPlayerSetPlayerKillerEnd(lua_State* L);
		static int luaPlayerGetDeathPenalty(lua_State* L);

		static int luaPlayerGetExperience(lua_State* L);
		static int luaPlayerAddExperience(lua_State* L);
		static int luaPlayerRemoveExperience(lua_State* L);
		static int luaPlayerGetLevel(lua_State* L);

		static int luaPlayerGetMagicLevel(lua_State* L);
		static int luaPlayerGetBaseMagicLevel(lua_State* L);
		static int luaPlayerGetMana(lua_State* L);
		static int luaPlayerAddMana(lua_State* L);
		static int luaPlayerGetMaxMana(lua_State* L);
		static int luaPlayerSetMaxMana(lua_State* L);
		static int luaPlayerGetManaSpent(lua_State* L);
		static int luaPlayerAddManaSpent(lua_State* L);

		static int luaPlayerGetBaseMaxHealth(lua_State* L);
		static int luaPlayerGetBaseMaxMana(lua_State* L);

		static int luaPlayerGetSkillLevel(lua_State* L);
		static int luaPlayerGetEffectiveSkillLevel(lua_State* L);
		static int luaPlayerGetSkillPercent(lua_State* L);
		static int luaPlayerGetSkillTries(lua_State* L);
		static int luaPlayerAddSkillTries(lua_State* L);

		static int luaPlayerAddOfflineTrainingTime(lua_State* L);
		static int luaPlayerGetOfflineTrainingTime(lua_State* L);
		static int luaPlayerRemoveOfflineTrainingTime(lua_State* L);

		static int luaPlayerAddOfflineTrainingTries(lua_State* L);

		static int luaPlayerGetOfflineTrainingSkill(lua_State* L);
		static int luaPlayerSetOfflineTrainingSkill(lua_State* L);

		static int luaPlayerGetItemCount(lua_State* L);
		static int luaPlayerGetItemById(lua_State* L);

		static int luaPlayerGetVocation(lua_State* L);
		static int luaPlayerSetVocation(lua_State* L);

		static int luaPlayerGetSex(lua_State* L);
		static int luaPlayerSetSex(lua_State* L);

		static int luaPlayerGetTown(lua_State* L);
		static int luaPlayerSetTown(lua_State* L);

		static int luaPlayerGetGuild(lua_State* L);
		static int luaPlayerSetGuild(lua_State* L);

		static int luaPlayerGetGuildLevel(lua_State* L);
		static int luaPlayerSetGuildLevel(lua_State* L);

		static int luaPlayerGetGuildNick(lua_State* L);
		static int luaPlayerSetGuildNick(lua_State* L);

		static int luaPlayerGetGroup(lua_State* L);
		static int luaPlayerSetGroup(lua_State* L);

		static int luaPlayerGetStamina(lua_State* L);
		static int luaPlayerSetStamina(lua_State* L);

		static int luaPlayerGetSoul(lua_State* L);
		static int luaPlayerAddSoul(lua_State* L);
		static int luaPlayerGetMaxSoul(lua_State* L);

		static int luaPlayerGetBankBalance(lua_State* L);
		static int luaPlayerSetBankBalance(lua_State* L);

		static int luaPlayerGetStorageValue(lua_State* L);
		static int luaPlayerSetStorageValue(lua_State* L);

		static int luaPlayerAddItem(lua_State* L);
		static int luaPlayerAddItemEx(lua_State* L);
		static int luaPlayerRemoveItem(lua_State* L);

		static int luaPlayerGetMoney(lua_State* L);
		static int luaPlayerAddMoney(lua_State* L);
		static int luaPlayerRemoveMoney(lua_State* L);

		static int luaPlayerShowTextDialog(lua_State* L);

		static int luaPlayerSendTextMessage(lua_State* L);
		static int luaPlayerSendPrivateMessage(lua_State* L);

		static int luaPlayerChannelSay(lua_State* L);
		static int luaPlayerOpenChannel(lua_State* L);

		static int luaPlayerGetSlotItem(lua_State* L);

		static int luaPlayerGetParty(lua_State* L);

		static int luaPlayerAddOutfit(lua_State* L);
		static int luaPlayerAddOutfitAddon(lua_State* L);
		static int luaPlayerRemoveOutfit(lua_State* L);
		static int luaPlayerRemoveOutfitAddon(lua_State* L);
		static int luaPlayerHasOutfit(lua_State* L);
		static int luaPlayerSendOutfitWindow(lua_State* L);

		static int luaPlayerGetPremiumDays(lua_State* L);
		static int luaPlayerAddPremiumDays(lua_State* L);
		static int luaPlayerRemovePremiumDays(lua_State* L);

		static int luaPlayerHasBlessing(lua_State* L);
		static int luaPlayerAddBlessing(lua_State* L);
		static int luaPlayerRemoveBlessing(lua_State* L);

		static int luaPlayerCanLearnSpell(lua_State* L);
		static int luaPlayerLearnSpell(lua_State* L);
		static int luaPlayerForgetSpell(lua_State* L);
		static int luaPlayerHasLearnedSpell(lua_State* L);

		static int luaPlayerSave(lua_State* L);

		static int luaPlayerIsPzLocked(lua_State* L);

		static int luaPlayerGetClient(lua_State* L);
		static int luaPlayerGetHouse(lua_State* L);

		static int luaPlayerSetGhostMode(lua_State* L);

		static int luaPlayerGetContainerId(lua_State* L);
		static int luaPlayerGetContainerById(lua_State* L);
		static int luaPlayerGetContainerIndex(lua_State* L);

		static int luaPlayerGetTotalDamage(lua_State* L);

		// Monster
		static int luaMonsterCreate(lua_State* L);

		static int luaMonsterIsMonster(lua_State* L);

		static int luaMonsterGetType(lua_State* L);

		static int luaMonsterGetSpawnPosition(lua_State* L);
		static int luaMonsterIsInSpawnRange(lua_State* L);

		static int luaMonsterIsIdle(lua_State* L);
		static int luaMonsterSetIdle(lua_State* L);

		static int luaMonsterIsTarget(lua_State* L);
		static int luaMonsterIsOpponent(lua_State* L);
		static int luaMonsterIsFriend(lua_State* L);

		static int luaMonsterAddFriend(lua_State* L);
		static int luaMonsterRemoveFriend(lua_State* L);
		static int luaMonsterGetFriendList(lua_State* L);
		static int luaMonsterGetFriendCount(lua_State* L);

		static int luaMonsterAddTarget(lua_State* L);
		static int luaMonsterRemoveTarget(lua_State* L);
		static int luaMonsterGetTargetList(lua_State* L);
		static int luaMonsterGetTargetCount(lua_State* L);

		static int luaMonsterSelectTarget(lua_State* L);
		static int luaMonsterSearchTarget(lua_State* L);

		// Npc
		static int luaNpcCreate(lua_State* L);

		static int luaNpcIsNpc(lua_State* L);

		static int luaNpcSetMasterPos(lua_State* L);

		// Guild
		static int luaGuildCreate(lua_State* L);

		static int luaGuildGetId(lua_State* L);
		static int luaGuildGetName(lua_State* L);
		static int luaGuildGetMembersOnline(lua_State* L);
		static int luaGuildSetGuildWarEmblem(lua_State* L);

		static int luaGuildAddRank(lua_State* L);
		static int luaGuildGetRankById(lua_State* L);
		static int luaGuildGetRankByLevel(lua_State* L);

		static int luaGuildGetBankBalance(lua_State* L);
		static int luaGuildIncreaseBankBalance(lua_State* L);
		static int luaGuildDecreaseBankBalance(lua_State* L);

		// Group
		static int luaGroupCreate(lua_State* L);

		static int luaGroupGetId(lua_State* L);
		static int luaGroupGetName(lua_State* L);
		static int luaGroupGetFlags(lua_State* L);
		static int luaGroupGetAccess(lua_State* L);
		static int luaGroupGetMaxDepotItems(lua_State* L);
		static int luaGroupGetMaxVipEntries(lua_State* L);

		// Vocation
		static int luaVocationCreate(lua_State* L);

		static int luaVocationGetId(lua_State* L);
		static int luaVocationGetName(lua_State* L);
		static int luaVocationGetDescription(lua_State* L);

		static int luaVocationGetRequiredSkillTries(lua_State* L);
		static int luaVocationGetRequiredManaSpent(lua_State* L);

		static int luaVocationGetCapacityGain(lua_State* L);

		static int luaVocationGetHealthGain(lua_State* L);
		static int luaVocationGetHealthGainTicks(lua_State* L);
		static int luaVocationGetHealthGainAmount(lua_State* L);

		static int luaVocationGetManaGain(lua_State* L);
		static int luaVocationGetManaGainTicks(lua_State* L);
		static int luaVocationGetManaGainAmount(lua_State* L);

		static int luaVocationGetMaxSoul(lua_State* L);
		static int luaVocationGetSoulGainTicks(lua_State* L);

		static int luaVocationGetAttackSpeed(lua_State* L);
		static int luaVocationGetBaseSpeed(lua_State* L);

		static int luaVocationGetDemotion(lua_State* L);
		static int luaVocationGetPromotion(lua_State* L);

		// Town
		static int luaTownCreate(lua_State* L);

		static int luaTownGetId(lua_State* L);
		static int luaTownGetName(lua_State* L);
		static int luaTownGetTemplePosition(lua_State* L);

		// House
		static int luaHouseCreate(lua_State* L);

		static int luaHouseGetId(lua_State* L);
		static int luaHouseGetName(lua_State* L);
		static int luaHouseGetTown(lua_State* L);
		static int luaHouseGetExitPosition(lua_State* L);
		static int luaHouseGetRent(lua_State* L);

		static int luaHouseGetOwnerGuid(lua_State* L);
		static int luaHouseSetOwnerGuid(lua_State* L);
		static int luaHouseStartTrade(lua_State* L);

		static int luaHouseGetBeds(lua_State* L);
		static int luaHouseGetBedCount(lua_State* L);

		static int luaHouseGetDoors(lua_State* L);
		static int luaHouseGetDoorCount(lua_State* L);

		static int luaHouseGetTiles(lua_State* L);
		static int luaHouseGetTileCount(lua_State* L);

		static int luaHouseGetAccessList(lua_State* L);
		static int luaHouseSetAccessList(lua_State* L);

		// ItemType
		static int luaItemTypeCreate(lua_State* L);

		static int luaItemTypeIsCorpse(lua_State* L);
		static int luaItemTypeIsDoor(lua_State* L);
		static int luaItemTypeIsContainer(lua_State* L);
		static int luaItemTypeIsChest(lua_State* L);
		static int luaItemTypeIsFluidContainer(lua_State* L);
		static int luaItemTypeIsMovable(lua_State* L);
		static int luaItemTypeIsRune(lua_State* L);
		static int luaItemTypeIsStackable(lua_State* L);
		static int luaItemTypeIsReadable(lua_State* L);
		static int luaItemTypeIsWritable(lua_State* L);
		static int luaItemTypeIsMagicField(lua_State* L);
		static int luaItemTypeIsSplash(lua_State* L);
		static int luaItemTypeIsKey(lua_State* L);
		static int luaItemTypeIsDisguised(lua_State* L);
		static int luaItemTypeIsDestroyable(lua_State* L);
		static int luaItemTypeIsGroundTile(lua_State* L);

		static int luaItemTypeGetType(lua_State* L);
		static int luaItemTypeGetId(lua_State* L);
		static int luaItemTypeGetDisguiseId(lua_State* L);
		static int luaItemTypeGetName(lua_State* L);
		static int luaItemTypeGetPluralName(lua_State* L);
		static int luaItemTypeGetArticle(lua_State* L);
		static int luaItemTypeGetDescription(lua_State* L);
		static int luaItemTypeGetSlotPosition(lua_State *L);
		static int luaItemTypeGetDestroyTarget(lua_State* L);

		static int luaItemTypeGetCharges(lua_State* L);
		static int luaItemTypeGetFluidSource(lua_State* L);
		static int luaItemTypeGetCapacity(lua_State* L);
		static int luaItemTypeGetWeight(lua_State* L);

		static int luaItemTypeGetShootRange(lua_State* L);
		static int luaItemTypeGetAttack(lua_State* L);
		static int luaItemTypeGetDefense(lua_State* L);
		static int luaItemTypeGetArmor(lua_State* L);
		static int luaItemTypeGetWeaponType(lua_State* L);
		static int luaItemTypeGetAmmoType(lua_State* L);

		static int luaItemTypeGetTransformEquipId(lua_State* L);
		static int luaItemTypeGetTransformDeEquipId(lua_State* L);
		static int luaItemTypeGetDecayId(lua_State* L);
		static int luaItemTypeGetNutrition(lua_State* L);
		static int luaItemTypeGetRequiredLevel(lua_State* L);

		static int luaItemTypeHasSubType(lua_State* L);

		// Combat
		static int luaCombatCreate(lua_State* L);

		static int luaCombatSetParameter(lua_State* L);
		static int luaCombatSetFormula(lua_State* L);

		static int luaCombatSetArea(lua_State* L);
		static int luaCombatSetCondition(lua_State* L);
		static int luaCombatSetCallback(lua_State* L);
		static int luaCombatSetOrigin(lua_State* L);

		static int luaCombatExecute(lua_State* L);

		// Condition
		static int luaConditionCreate(lua_State* L);
		static int luaConditionDelete(lua_State* L);

		static int luaConditionGetId(lua_State* L);
		static int luaConditionGetSubId(lua_State* L);
		static int luaConditionGetType(lua_State* L);
		static int luaConditionGetIcons(lua_State* L);
		static int luaConditionGetEndTime(lua_State* L);

		static int luaConditionClone(lua_State* L);

		static int luaConditionGetTicks(lua_State* L);
		static int luaConditionSetTicks(lua_State* L);

		static int luaConditionSetParameter(lua_State* L);
		static int luaConditionSetSpeedDelta(lua_State* L);
		static int luaConditionSetOutfit(lua_State* L);

		static int luaConditionSetTiming(lua_State* L);

		// MonsterType
		static int luaMonsterTypeCreate(lua_State* L);

		static int luaMonsterTypeIsAttackable(lua_State* L);
		static int luaMonsterTypeIsConvinceable(lua_State* L);
		static int luaMonsterTypeIsSummonable(lua_State* L);
		static int luaMonsterTypeIsIllusionable(lua_State* L);
		static int luaMonsterTypeIsHostile(lua_State* L);
		static int luaMonsterTypeIsPushable(lua_State* L);
		static int luaMonsterTypeIsHealthShown(lua_State* L);

		static int luaMonsterTypeCanPushItems(lua_State* L);
		static int luaMonsterTypeCanPushCreatures(lua_State* L);

		static int luaMonsterTypeGetName(lua_State* L);
		static int luaMonsterTypeGetNameDescription(lua_State* L);

		static int luaMonsterTypeGetHealth(lua_State* L);
		static int luaMonsterTypeGetMaxHealth(lua_State* L);
		static int luaMonsterTypeGetRunHealth(lua_State* L);
		static int luaMonsterTypeGetExperience(lua_State* L);

		static int luaMonsterTypeGetCombatImmunities(lua_State* L);
		static int luaMonsterTypeGetConditionImmunities(lua_State* L);

		static int luaMonsterTypeGetAttackList(lua_State* L);
		static int luaMonsterTypeGetDefenseList(lua_State* L);
		static int luaMonsterTypeGetElementList(lua_State* L);

		static int luaMonsterTypeGetVoices(lua_State* L);
		static int luaMonsterTypeGetLoot(lua_State* L);
		static int luaMonsterTypeGetCreatureEvents(lua_State* L);

		static int luaMonsterTypeGetSummonList(lua_State* L);
		static int luaMonsterTypeGetMaxSummons(lua_State* L);

		static int luaMonsterTypeGetArmor(lua_State* L);
		static int luaMonsterTypeGetSkill(lua_State* L);
		static int luaMonsterTypeGetDefense(lua_State* L);
		static int luaMonsterTypeGetOutfit(lua_State* L);
		static int luaMonsterTypeGetRace(lua_State* L);
		static int luaMonsterTypeGetCorpseId(lua_State* L);
		static int luaMonsterTypeGetManaCost(lua_State* L);
		static int luaMonsterTypeGetBaseSpeed(lua_State* L);
		static int luaMonsterTypeGetLight(lua_State* L);

		static int luaMonsterTypeGetTargetDistance(lua_State* L);
		static int luaMonsterTypeGetChangeTargetChance(lua_State* L);
		static int luaMonsterTypeGetChangeTargetSpeed(lua_State* L);

		// Party
		static int luaPartyDisband(lua_State* L);

		static int luaPartyGetLeader(lua_State* L);
		static int luaPartySetLeader(lua_State* L);

		static int luaPartyGetMembers(lua_State* L);
		static int luaPartyGetMemberCount(lua_State* L);

		static int luaPartyGetInvitees(lua_State* L);
		static int luaPartyGetInviteeCount(lua_State* L);

		static int luaPartyAddInvite(lua_State* L);
		static int luaPartyRemoveInvite(lua_State* L);

		static int luaPartyAddMember(lua_State* L);
		static int luaPartyRemoveMember(lua_State* L);

		static int luaPartyIsSharedExperienceActive(lua_State* L);
		static int luaPartyIsSharedExperienceEnabled(lua_State* L);
		static int luaPartyShareExperience(lua_State* L);
		static int luaPartySetSharedExperience(lua_State* L);

		//
		lua_State* luaState = nullptr;
		std::string lastLuaError;

		std::string interfaceName;
		int32_t eventTableRef = -1;

		static ScriptEnvironment scriptEnv[16];
		static int32_t scriptEnvIndex;

		int32_t runningEventId = EVENT_ID_USER;
		std::string loadingFile;

		//script file cache
		std::map<int32_t, std::string> cacheFiles;
};

class LuaEnvironment : public LuaScriptInterface
{
	public:
		LuaEnvironment();
		~LuaEnvironment();

		// non-copyable
		LuaEnvironment(const LuaEnvironment&) = delete;
		LuaEnvironment& operator=(const LuaEnvironment&) = delete;

		bool initState();
		bool reInitState();
		bool closeState();

		LuaScriptInterface* getTestInterface();

		Combat* getCombatObject(uint32_t id) const;
		Combat* createCombatObject(LuaScriptInterface* interface);
		void clearCombatObjects(LuaScriptInterface* interface);

		AreaCombat* getAreaObject(uint32_t id) const;
		uint32_t createAreaObject(LuaScriptInterface* interface);
		void clearAreaObjects(LuaScriptInterface* interface);

	private:
		void executeTimerEvent(uint32_t eventIndex);

		std::unordered_map<uint32_t, LuaTimerEventDesc> timerEvents;
		std::unordered_map<uint32_t, Combat*> combatMap;
		std::unordered_map<uint32_t, AreaCombat*> areaMap;

		std::unordered_map<LuaScriptInterface*, std::vector<uint32_t>> combatIdMap;
		std::unordered_map<LuaScriptInterface*, std::vector<uint32_t>> areaIdMap;

		LuaScriptInterface* testInterface = nullptr;

		uint32_t lastEventTimerId = 1;
		uint32_t lastCombatId = 0;
		uint32_t lastAreaId = 0;

		friend class LuaScriptInterface;
		friend class CombatSpell;
};

#endif