/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#include "AccountMgr.h"
#include "BattlefieldMgr.h"
#include "Battleground.h"
#include "BattlegroundMgr.h"
#include "Chat.h"
#include "Common.h"
#include "CreatureAI.h"
#include "DatabaseEnv.h"
#include "DBCEnums.h"
#include "GameObjectAI.h"
#include "GossipDef.h"
#include "Group.h"
#include "GuildMgr.h"
#include "InstanceScript.h"
#include "Language.h"
#include "Log.h"
#include "LootMgr.h"
#include "MapManager.h"
#include "Object.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "OutdoorPvP.h"
#include "Pet.h"
#include "Player.h"
#include "ScriptMgr.h"
#include "SocialMgr.h"
#include "Spell.h"
#include "UpdateData.h"
#include "Vehicle.h"
#include "World.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "zlib.h"

#ifdef ELUNA
#include "LuaEngine.h"
#endif

void WorldSession::HandleRepopRequestOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Recvd CMSG_REPOP_REQUEST Message");
#endif

    recv_data.read_skip<uint8>();

    if (GetPlayer()->IsAlive() || GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_GHOST))
        return;

    if (GetPlayer()->HasAuraType(SPELL_AURA_PREVENT_RESURRECTION))
        return; // silently return, client should display the error by itself

    // the world update order is sessions, players, creatures
    // the netcode runs in parallel with all of these
    // creatures can kill players
    // so if the server is lagging enough the player can
    // release spirit after he's killed but before he is updated
    if (GetPlayer()->getDeathState() == JUST_DIED)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "HandleRepopRequestOpcode: got request after player %s (%s) was killed and before he was updated",
            GetPlayer()->GetName().c_str(), GetPlayer()->GetGUID().ToString().c_str());
#endif
        GetPlayer()->KillPlayer();
    }

#ifdef ELUNA
    sEluna->OnRepop(GetPlayer());
#endif

    //this is spirit release confirm?
    GetPlayer()->RemovePet(nullptr, PET_SAVE_NOT_IN_SLOT, true);
    GetPlayer()->BuildPlayerRepop();
    GetPlayer()->RepopAtGraveyard();
}

void WorldSession::HandleGossipSelectOptionOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_GOSSIP_SELECT_OPTION");
#endif

    uint32 gossipListId;
    uint32 menuId;
    ObjectGuid guid;
    std::string code = "";

    recv_data >> guid >> menuId >> gossipListId;

    if (_player->PlayerTalkClass->IsGossipOptionCoded(gossipListId))
        recv_data >> code;

    Creature* unit = nullptr;
    GameObject* go = nullptr;
    Item* item = nullptr;
    if (guid.IsCreatureOrVehicle())
    {
        unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_NONE);
        if (!unit)
        {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
            LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - Unit (%s) not found or you can't interact with him.", guid.ToString().c_str());
#endif
            return;
        }
    }
    else if (guid.IsGameObject())
    {
        go = _player->GetMap()->GetGameObject(guid);
        if (!go)
        {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
            LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - GameObject (%s) not found.", guid.ToString().c_str());
#endif
            return;
        }
    }
    else if (guid.IsItem())
    {
        item = _player->GetItemByGuid(guid);
        if (!item || _player->IsBankPos(item->GetPos()))
        {
            //TC_LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - %s not found.", guid.ToString().c_str());
            return;
        }
    }
    else if (guid.IsPlayer())
    {
        if (guid != _player->GetGUID() || menuId != _player->PlayerTalkClass->GetGossipMenu().GetMenuId())
        {
            //TC_LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - %s not found.", guid.ToString().c_str());
            return;
        }
    }
    else
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - unsupported GUID type for %s.", guid.ToString().c_str());
#endif
        return;
    }

    // remove fake death
    if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    if ((unit && unit->GetCreatureTemplate()->ScriptID != unit->LastUsedScriptID) || (go && go->GetGOInfo()->ScriptId != go->LastUsedScriptID))
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "WORLD: HandleGossipSelectOptionOpcode - Script reloaded while in use, ignoring and set new scipt id");
#endif
        if (unit)
            unit->LastUsedScriptID = unit->GetCreatureTemplate()->ScriptID;
        if (go)
            go->LastUsedScriptID = go->GetGOInfo()->ScriptId;
        _player->PlayerTalkClass->SendCloseGossip();
        return;
    }
    if (!code.empty())
    {
        if (unit)
        {
            unit->AI()->sGossipSelectCode(_player, menuId, gossipListId, code.c_str());
            if (!sScriptMgr->OnGossipSelectCode(_player, unit, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId), code.c_str()))
                _player->OnGossipSelect(unit, gossipListId, menuId);
        }
        else if (go)
        {
            go->AI()->GossipSelectCode(_player, menuId, gossipListId, code.c_str());
            sScriptMgr->OnGossipSelectCode(_player, go, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId), code.c_str());
        }
        else if (item)
        {
            sScriptMgr->OnGossipSelectCode(_player, item, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId), code.c_str());
        }
        else
        {
            sScriptMgr->OnGossipSelectCode(_player, menuId, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId), code.c_str());
        }
    }
    else
    {
        if (unit)
        {
            unit->AI()->sGossipSelect(_player, menuId, gossipListId);
            if (!sScriptMgr->OnGossipSelect(_player, unit, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId)))
                _player->OnGossipSelect(unit, gossipListId, menuId);
        }
        else if (go)
        {
            go->AI()->GossipSelect(_player, menuId, gossipListId);
            if (!sScriptMgr->OnGossipSelect(_player, go, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId)))
                _player->OnGossipSelect(go, gossipListId, menuId);
        }
        else if (item)
        {
            sScriptMgr->OnGossipSelect(_player, item, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId));
        }
        else
        {
            sScriptMgr->OnGossipSelect(_player, menuId, _player->PlayerTalkClass->GetGossipOptionSender(gossipListId), _player->PlayerTalkClass->GetGossipOptionAction(gossipListId));
        }
    }
}

void WorldSession::HandleWhoOpcode(WorldPacket& recvData)
{
    LOG_DEBUG("network", "WORLD: Recvd CMSG_WHO Message");

    time_t now = time(nullptr);
    if (now < timeWhoCommandAllowed)
        return;
    timeWhoCommandAllowed = now + 3;

    uint32 matchcount = 0;

    uint32 level_min, level_max, racemask, classmask, zones_count, str_count;
    uint32 zoneids[10];                                     // 10 is client limit
    std::string player_name, guild_name;

    recvData >> level_min;                                 // maximal player level, default 0
    recvData >> level_max;                                 // minimal player level, default 100 (MAX_LEVEL)
    recvData >> player_name;                               // player name, case sensitive...

    recvData >> guild_name;                                // guild name, case sensitive...

    recvData >> racemask;                                  // race mask
    recvData >> classmask;                                 // class mask
    recvData >> zones_count;                               // zones count, client limit = 10 (2.0.10)

    if (zones_count > 10)
        return;                                             // can't be received from real client or broken packet

    for (uint32 i = 0; i < zones_count; ++i)
    {
        uint32 temp;
        recvData >> temp;                                  // zone id, 0 if zone is unknown...
        zoneids[i] = temp;
        LOG_DEBUG("network", "Zone %u: %u", i, zoneids[i]);
    }

    recvData >> str_count;                                 // user entered strings count, client limit=4 (checked on 2.0.10)

    if (str_count > 4)
        return;                                             // can't be received from real client or broken packet

    LOG_DEBUG("network", "Minlvl %u, maxlvl %u, name %s, guild %s, racemask %u, classmask %u, zones %u, strings %u", level_min, level_max, player_name.c_str(), guild_name.c_str(), racemask, classmask, zones_count, str_count);

    std::wstring str[4];                                    // 4 is client limit
    for (uint32 i = 0; i < str_count; ++i)
    {
        std::string temp;
        recvData >> temp;                                  // user entered string, it used as universal search pattern(guild+player name)?

        if (!Utf8toWStr(temp, str[i]))
            continue;

        wstrToLower(str[i]);

        LOG_DEBUG("network", "String %u: %s", i, temp.c_str());
    }

    std::wstring wplayer_name;
    std::wstring wguild_name;
    if (!(Utf8toWStr(player_name, wplayer_name) && Utf8toWStr(guild_name, wguild_name)))
        return;
    wstrToLower(wplayer_name);
    wstrToLower(wguild_name);

    // client send in case not set max level value 100 but Trinity supports 255 max level,
    // update it to show GMs with characters after 100 level
    if (level_max >= MAX_LEVEL)
        level_max = STRONG_MAX_LEVEL;

    uint32 team = _player->GetTeamId();
    uint32 security = GetSecurity();
    bool allowTwoSideWhoList = sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_WHO_LIST);
    uint32 gmLevelInWhoList = sWorld->getIntConfig(CONFIG_GM_LEVEL_IN_WHO_LIST);
    uint32 displaycount = 0;

    WorldPacket data(SMSG_WHO, 50);                       // guess size
    data << uint32(matchcount);                           // placeholder, count of players matching criteria
    data << uint32(displaycount);                         // placeholder, count of players displayed

    std::shared_lock<std::shared_mutex> lock(*HashMapHolder<Player>::GetLock());
    HashMapHolder<Player>::MapType const& m = ObjectAccessor::GetPlayers();
    for (HashMapHolder<Player>::MapType::const_iterator itr = m.begin(); itr != m.end(); ++itr)
    {
        if (AccountMgr::IsPlayerAccount(security))
        {
            // player can see member of other team only if CONFIG_ALLOW_TWO_SIDE_WHO_LIST
            if (itr->second->GetTeamId() != team  && !allowTwoSideWhoList)
                continue;

            // player can see MODERATOR, GAME MASTER, ADMINISTRATOR only if CONFIG_GM_IN_WHO_LIST
            if ((itr->second->GetSession()->GetSecurity() > AccountTypes(gmLevelInWhoList)))
                continue;
        }

        //do not process players which are not in world
        if (!(itr->second->IsInWorld()))
            continue;

        // check if target is globally visible for player
        if (!(itr->second->IsVisibleGloballyFor(_player)))
            continue;

        // check if target's level is in level range
        uint8 lvl = itr->second->getLevel();
        if (lvl < level_min || lvl > level_max)
            continue;

        // check if class matches classmask
        uint32 class_ = itr->second->getClass();
        if (!(classmask & (1 << class_)))
            continue;

        // check if race matches racemask
        uint32 race = itr->second->getRace();
        if (!(racemask & (1 << race)))
            continue;

        uint32 pzoneid = itr->second->GetZoneId();
        uint8 gender = itr->second->getGender();

        bool z_show = true;
        for (uint32 i = 0; i < zones_count; ++i)
        {
            if (zoneids[i] == pzoneid)
            {
                z_show = true;
                break;
            }

            z_show = false;
        }
        if (!z_show)
            continue;

        std::string pname = itr->second->GetName();
        std::wstring wpname;
        if (!Utf8toWStr(pname, wpname))
            continue;
        wstrToLower(wpname);

        if (!(wplayer_name.empty() || wpname.find(wplayer_name) != std::wstring::npos))
            continue;

        std::string gname = sGuildMgr->GetGuildNameById(itr->second->GetGuildId());
        std::wstring wgname;
        if (!Utf8toWStr(gname, wgname))
            continue;
        wstrToLower(wgname);

        if (!(wguild_name.empty() || wgname.find(wguild_name) != std::wstring::npos))
            continue;

        std::string aname;
        if (AreaTableEntry const* areaEntry = sAreaTableStore.LookupEntry(itr->second->GetZoneId()))
            aname = areaEntry->area_name[GetSessionDbcLocale()];

        bool s_show = true;
        for (uint32 i = 0; i < str_count; ++i)
        {
            if (!str[i].empty())
            {
                if (wgname.find(str[i]) != std::wstring::npos ||
                        wpname.find(str[i]) != std::wstring::npos ||
                        Utf8FitTo(aname, str[i]))
                {
                    s_show = true;
                    break;
                }
                s_show = false;
            }
        }
        if (!s_show)
            continue;

        // 49 is maximum player count sent to client - can be overridden
        // through config, but is unstable
        if ((matchcount++) >= sWorld->getIntConfig(CONFIG_MAX_WHO_LIST_RETURN))
            continue;

        data << pname;                                    // player name
        data << gname;                                    // guild name
        data << uint32(lvl);                              // player level
        data << uint32(class_);                           // player class
        data << uint32(race);                             // player race
        data << uint8(gender);                            // player gender
        data << uint32(pzoneid);                          // player zone id

        ++displaycount;
    }

    data.put(0, displaycount);                            // insert right count, count displayed
    data.put(4, matchcount);                              // insert right count, count of matches

    SendPacket(&data);
    // LOG_DEBUG("network", "WORLD: Send SMSG_WHO Message");
}

void WorldSession::HandleLogoutRequestOpcode(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Recvd CMSG_LOGOUT_REQUEST Message, security - %u", GetSecurity());
#endif

    if (ObjectGuid lguid = GetPlayer()->GetLootGUID())
        DoLootRelease(lguid);

    bool instantLogout = ((GetSecurity() >= 0 && uint32(GetSecurity()) >= sWorld->getIntConfig(CONFIG_INSTANT_LOGOUT))
                          || (GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING) && !GetPlayer()->IsInCombat())) || GetPlayer()->IsInFlight();

    bool preventAfkSanctuaryLogout = sWorld->getIntConfig(CONFIG_AFK_PREVENT_LOGOUT) == 1
                                     && GetPlayer()->isAFK() && sAreaTableStore.LookupEntry(GetPlayer()->GetAreaId())->IsSanctuary();

    bool preventAfkLogout = sWorld->getIntConfig(CONFIG_AFK_PREVENT_LOGOUT) == 2
                            && GetPlayer()->isAFK();

    /// TODO: Possibly add RBAC permission to log out in combat
    bool canLogoutInCombat = GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING);

    uint32 reason = 0;
    if (GetPlayer()->IsInCombat() && !canLogoutInCombat)
        reason = 1;
    else if (GetPlayer()->m_movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING | MOVEMENTFLAG_FALLING_FAR))
        reason = 3;                                         // is jumping or falling
    else if (preventAfkSanctuaryLogout || preventAfkLogout || GetPlayer()->duel || GetPlayer()->HasAura(9454)) // is dueling or frozen by GM via freeze command
        reason = 2;                                         // FIXME - Need the correct value

    WorldPacket data(SMSG_LOGOUT_RESPONSE, 1 + 4);
    data << uint32(reason);
    data << uint8(instantLogout);
    SendPacket(&data);

    if (reason)
    {
        LogoutRequest(0);
        return;
    }

    //instant logout in taverns/cities or on taxi or for admins, gm's, mod's if its enabled in worldserver.conf
    if (instantLogout)
    {
        LogoutPlayer(true);
        return;
    }

    // not set flags if player can't free move to prevent lost state at logout cancel
    if (GetPlayer()->CanFreeMove())
    {
        if (GetPlayer()->getStandState() == UNIT_STAND_STATE_STAND)
        {
            GetPlayer()->SetStandState(UNIT_STAND_STATE_SIT);
        }

        WorldPacket data2(SMSG_FORCE_MOVE_ROOT, (8 + 4));  // guess size
        data2 << GetPlayer()->GetPackGUID();
        data2 << (uint32)2;
        SendPacket(&data2);
        GetPlayer()->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_STUNNED);
    }

    LogoutRequest(time(nullptr));
}

void WorldSession::HandlePlayerLogoutOpcode(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Recvd CMSG_PLAYER_LOGOUT Message");
#endif
}

void WorldSession::HandleLogoutCancelOpcode(WorldPacket& /*recv_data*/)
{
    LogoutRequest(0);

    WorldPacket data(SMSG_LOGOUT_CANCEL_ACK, 0);
    SendPacket(&data);

    // not remove flags if can't free move - its not set in Logout request code.
    if (GetPlayer()->CanFreeMove())
    {
        data.Initialize(SMSG_FORCE_MOVE_UNROOT, 9 + 4);
        data << GetPlayer()->GetPackGUID();
        data << uint32(0);
        SendPacket(&data);

        GetPlayer()->SetStandState(UNIT_STAND_STATE_STAND);
        GetPlayer()->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_STUNNED);
    }
}

void WorldSession::HandleTogglePvP(WorldPacket& recv_data)
{
    // this opcode can be used in two ways: Either set explicit new status or toggle old status
    if (recv_data.size() == 1)
    {
        bool newPvPStatus;
        recv_data >> newPvPStatus;
        GetPlayer()->ApplyModFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP, newPvPStatus);
    }
    else
        GetPlayer()->ToggleFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP);

    if (GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP))
        GetPlayer()->UpdatePvP(true, true);
    else if (!GetPlayer()->pvpInfo.IsHostile && GetPlayer()->IsPvP()) // pussywizard: in pvp mode, but doesn't want to be and not in hostile territory, so start timer
        GetPlayer()->UpdatePvP(true, false);

    //if (OutdoorPvP* pvp = _player->GetOutdoorPvP())
    //    pvp->HandlePlayerActivityChanged(_player);
}

void WorldSession::HandleZoneUpdateOpcode(WorldPacket& recv_data)
{
    uint32 newZone;
    recv_data >> newZone;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Recvd ZONE_UPDATE: %u", newZone);
#endif

    // use server size data
    uint32 newzone, newarea;
    GetPlayer()->GetZoneAndAreaId(newzone, newarea, true);
    GetPlayer()->UpdateZone(newzone, newarea);
    //GetPlayer()->SendInitWorldStates(true, newZone);
}

void WorldSession::HandleSetSelectionOpcode(WorldPacket& recv_data)
{
    ObjectGuid guid;
    recv_data >> guid;

    _player->SetSelection(guid);

    // Change target of current autoshoot spell
    if (guid)
    {
        if (Spell* autoReapeatSpell = _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL))
        {
            if (autoReapeatSpell->m_targets.GetUnitTargetGUID() != guid)
            {
                if (Unit* unit = ObjectAccessor::GetUnit(*_player, guid))
                {
                    if (unit->IsAlive() && !_player->IsFriendlyTo(unit) && unit->isTargetableForAttack(true, _player))
                    {
                        autoReapeatSpell->m_targets.SetUnitTarget(unit);
                    }
                }
            }
        }
    }
}

void WorldSession::HandleStandStateChangeOpcode(WorldPacket& recv_data)
{
    uint32 animstate;
    recv_data >> animstate;

    switch (animstate)
    {
        case UNIT_STAND_STATE_STAND:
        case UNIT_STAND_STATE_SIT:
        case UNIT_STAND_STATE_SLEEP:
        case UNIT_STAND_STATE_KNEEL:
            break;
        default:
            return;
    }

    _player->SetStandState(animstate);
}

void WorldSession::HandleLoadActionsSwitchSpec(PreparedQueryResult result)
{
    if (!GetPlayer())
        return;

    if (result)
        GetPlayer()->_LoadActions(result);

    GetPlayer()->SendActionButtons(1);
}

void WorldSession::HandleCharacterAuraFrozen(PreparedQueryResult result)
{
    if (!GetPlayer())
        return;

    ChatHandler handler = ChatHandler(this);

    // Select
    if (!result)
    {
        handler.SendSysMessage(LANG_COMMAND_NO_FROZEN_PLAYERS);
        return;
    }

    // Header of the names
    handler.PSendSysMessage(LANG_COMMAND_LIST_FREEZE);

    // Output of the results
    do
    {
        Field* fields = result->Fetch();
        std::string player = fields[0].GetString();
        handler.PSendSysMessage(LANG_COMMAND_FROZEN_PLAYERS, player.c_str());
    } while (result->NextRow());
}

void WorldSession::HandleBugOpcode(WorldPacket& recv_data)
{
    uint32 suggestion, contentlen, typelen;
    std::string content, type;

    recv_data >> suggestion >> contentlen >> content;

    recv_data >> typelen >> type;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    if (suggestion == 0)
        LOG_DEBUG("network", "WORLD: Received CMSG_BUG [Bug Report]");
    else
        LOG_DEBUG("network", "WORLD: Received CMSG_BUG [Suggestion]");

    LOG_DEBUG("network", "%s", type.c_str());
    LOG_DEBUG("network", "%s", content.c_str());
#endif

    PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_BUG_REPORT);

    stmt->setString(0, type);
    stmt->setString(1, content);

    CharacterDatabase.Execute(stmt);
}

void WorldSession::HandleReclaimCorpseOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_RECLAIM_CORPSE");
#endif

    ObjectGuid guid;
    recv_data >> guid;

    if (_player->IsAlive())
        return;

    // do not allow corpse reclaim in arena
    if (_player->InArena())
        return;

    // body not released yet
    if (!_player->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_GHOST))
        return;

    Corpse* corpse = _player->GetCorpse();
    if (!corpse)
        return;

    // prevent resurrect before 30-sec delay after body release not finished
    if (time_t(corpse->GetGhostTime() + _player->GetCorpseReclaimDelay(corpse->GetType() == CORPSE_RESURRECTABLE_PVP)) > time_t(time(nullptr)))
        return;

    if (!corpse->IsWithinDistInMap(_player, CORPSE_RECLAIM_RADIUS, true))
        return;

    // resurrect
    _player->ResurrectPlayer(_player->InBattleground() ? 1.0f : 0.5f);

    // spawn bones
    _player->SpawnCorpseBones();
}

void WorldSession::HandleResurrectResponseOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_RESURRECT_RESPONSE");
#endif

    ObjectGuid guid;
    uint8 status;
    recv_data >> guid;
    recv_data >> status;

    // Xinef: Prevent resurrect with prevent resurrection aura
    if (GetPlayer()->IsAlive() || GetPlayer()->HasAuraType(SPELL_AURA_PREVENT_RESURRECTION))
        return;

    if (status == 0)
    {
        GetPlayer()->clearResurrectRequestData();           // reject
        return;
    }

    if (!GetPlayer()->isResurrectRequestedBy(guid))
        return;

    GetPlayer()->ResurectUsingRequestData();
}

void WorldSession::SendAreaTriggerMessage(const char* Text, ...)
{
    va_list ap;
    char szStr [1024];
    szStr[0] = '\0';

    va_start(ap, Text);
    vsnprintf(szStr, 1024, Text, ap);
    va_end(ap);

    uint32 length = strlen(szStr) + 1;
    WorldPacket data(SMSG_AREA_TRIGGER_MESSAGE, 4 + length);
    data << length;
    data << szStr;
    SendPacket(&data);
}

void WorldSession::HandleAreaTriggerOpcode(WorldPacket& recv_data)
{
    uint32 triggerId;
    recv_data >> triggerId;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "CMSG_AREATRIGGER. Trigger ID: %u", triggerId);
#endif

    Player* player = GetPlayer();
    if (player->IsInFlight())
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player '%s' (%s) in flight, ignore Area Trigger ID:%u",
                       player->GetName().c_str(), player->GetGUID().ToString().c_str(), triggerId);
#endif
        return;
    }

    AreaTrigger const* atEntry = sObjectMgr->GetAreaTrigger(triggerId);
    if (!atEntry)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player '%s' (%s) send unknown (by DBC) Area Trigger ID:%u",
                       player->GetName().c_str(), player->GetGUID().ToString().c_str(), triggerId);
#endif
        return;
    }

    if (!player->IsInAreaTriggerRadius(atEntry))
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player %s (%s) too far (trigger map: %u player map: %u), ignore Area Trigger ID: %u",
                       player->GetName().c_str(), player->GetGUID().ToString().c_str(), atEntry->map, player->GetMapId(), triggerId);
#endif
        return;
    }

    if (player->isDebugAreaTriggers)
        ChatHandler(this).PSendSysMessage(LANG_DEBUG_AREATRIGGER_REACHED, triggerId);

    if (sScriptMgr->OnAreaTrigger(player, atEntry))
        return;

    if (player->IsAlive())
        if (uint32 questId = sObjectMgr->GetQuestForAreaTrigger(triggerId))
            if (player->GetQuestStatus(questId) == QUEST_STATUS_INCOMPLETE)
                player->AreaExploredOrEventHappens(questId);

    if (sObjectMgr->IsTavernAreaTrigger(triggerId))
    {
        // set resting flag we are in the inn
        player->SetRestFlag(REST_FLAG_IN_TAVERN, atEntry->entry);

        if (sWorld->IsFFAPvPRealm())
            player->RemoveByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_FFA_PVP);

        return;
    }

    if (Battleground* bg = player->GetBattleground())
        if (bg->GetStatus() == STATUS_IN_PROGRESS)
        {
            bg->HandleAreaTrigger(player, triggerId);
            return;
        }

    if (OutdoorPvP* pvp = player->GetOutdoorPvP())
        if (pvp->HandleAreaTrigger(_player, triggerId))
            return;

    AreaTriggerTeleport const* at = sObjectMgr->GetAreaTriggerTeleport(triggerId);
    if (!at)
        return;

    bool teleported = false;
    if (player->GetMapId() != at->target_mapId)
    {
        if (!sMapMgr->CanPlayerEnter(at->target_mapId, player, false))
            return;

        if (Group* group = player->GetGroup())
            if (group->isLFGGroup() && player->GetMap()->IsDungeon())
                teleported = player->TeleportToEntryPoint();
    }

    if (!teleported)
        player->TeleportTo(at->target_mapId, at->target_X, at->target_Y, at->target_Z, at->target_Orientation, TELE_TO_NOT_LEAVE_TRANSPORT);
}

void WorldSession::HandleUpdateAccountData(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_UPDATE_ACCOUNT_DATA");
#endif

    uint32 type, timestamp, decompressedSize;
    recv_data >> type >> timestamp >> decompressedSize;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "UAD: type %u, time %u, decompressedSize %u", type, timestamp, decompressedSize);
#endif

    if (type > NUM_ACCOUNT_DATA_TYPES)
        return;

    if (decompressedSize == 0)                               // erase
    {
        SetAccountData(AccountDataType(type), 0, "");

        WorldPacket data(SMSG_UPDATE_ACCOUNT_DATA_COMPLETE, 4 + 4);
        data << uint32(type);
        data << uint32(0);
        SendPacket(&data);

        return;
    }

    if (decompressedSize > 0xFFFF)
    {
        recv_data.rfinish();                   // unnneded warning spam in this case
        LOG_ERROR("server", "UAD: Account data packet too big, size %u", decompressedSize);
        return;
    }

    ByteBuffer dest;
    dest.resize(decompressedSize);

    uLongf realSize = decompressedSize;
    if (uncompress(dest.contents(), &realSize, recv_data.contents() + recv_data.rpos(), recv_data.size() - recv_data.rpos()) != Z_OK)
    {
        recv_data.rfinish();                   // unnneded warning spam in this case
        LOG_ERROR("server", "UAD: Failed to decompress account data");
        return;
    }

    recv_data.rfinish();                       // uncompress read (recv_data.size() - recv_data.rpos())

    std::string adata;
    dest >> adata;

    SetAccountData(AccountDataType(type), timestamp, adata);

    WorldPacket data(SMSG_UPDATE_ACCOUNT_DATA_COMPLETE, 4 + 4);
    data << uint32(type);
    data << uint32(0);
    SendPacket(&data);
}

void WorldSession::HandleRequestAccountData(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_REQUEST_ACCOUNT_DATA");
#endif

    uint32 type;
    recv_data >> type;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "RAD: type %u", type);
#endif

    if (type >= NUM_ACCOUNT_DATA_TYPES)
        return;

    AccountData* adata = GetAccountData(AccountDataType(type));

    uint32 size = adata->Data.size();

    uLongf destSize = compressBound(size);

    ByteBuffer dest;
    dest.resize(destSize);

    if (size && compress(dest.contents(), &destSize, (uint8 const*)adata->Data.c_str(), size) != Z_OK)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "RAD: Failed to compress account data");
#endif
        return;
    }

    dest.resize(destSize);

    WorldPacket data(SMSG_UPDATE_ACCOUNT_DATA, 8 + 4 + 4 + 4 + destSize);
    data << (_player ? _player->GetGUID() : ObjectGuid::Empty); // player guid
    data << uint32(type);                                       // type (0-7)
    data << uint32(adata->Time);                                // unix time
    data << uint32(size);                                       // decompressed length
    data.append(dest);                                          // compressed data
    SendPacket(&data);
}

void WorldSession::HandleSetActionButtonOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_SET_ACTION_BUTTON");
#endif
    uint8 button;
    uint32 packetData;
    recv_data >> button >> packetData;

    uint32 action = ACTION_BUTTON_ACTION(packetData);
    uint8  type   = ACTION_BUTTON_TYPE(packetData);

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("server", "BUTTON: %u ACTION: %u TYPE: %u", button, action, type);
#endif
    if (!packetData)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("server", "MISC: Remove action from button %u", button);
#endif
        GetPlayer()->removeActionButton(button);
    }
    else
    {
        switch (type)
        {
            case ACTION_BUTTON_MACRO:
            case ACTION_BUTTON_CMACRO:
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
                LOG_DEBUG("server", "MISC: Added Macro %u into button %u", action, button);
#endif
                break;
            case ACTION_BUTTON_EQSET:
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
                LOG_DEBUG("server", "MISC: Added EquipmentSet %u into button %u", action, button);
#endif
                break;
            case ACTION_BUTTON_SPELL:
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
                LOG_DEBUG("server", "MISC: Added Spell %u into button %u", action, button);
#endif
                break;
            case ACTION_BUTTON_ITEM:
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
                LOG_DEBUG("server", "MISC: Added Item %u into button %u", action, button);
#endif
                break;
            default:
                LOG_ERROR("server", "MISC: Unknown action button type %u for action %u into button %u for player %s (%s)",
                    type, action, button, _player->GetName().c_str(), _player->GetGUID().ToString().c_str());
                return;
        }
        GetPlayer()->addActionButton(button, action, type);
    }
}

void WorldSession::HandleCompleteCinematic(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
{
    LOG_DEBUG("network", "WORLD: Received CMSG_COMPLETE_CINEMATIC");
}
#endif
    // If player has sight bound to visual waypoint NPC we should remove it
    GetPlayer()->EndCinematic();
}

void WorldSession::HandleNextCinematicCamera(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
{
    LOG_DEBUG("network", "WORLD: Received CMSG_NEXT_CINEMATIC_CAMERA");
}
#endif
    // Sent by client when cinematic actually begun. So we begin the server side process
    GetPlayer()->BeginCinematic();
}

void WorldSession::HandleFeatherFallAck(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_MOVE_FEATHER_FALL_ACK");
#endif

    // no used
    recv_data.rfinish();                       // prevent warnings spam
}

void WorldSession::HandleMoveUnRootAck(WorldPacket& recv_data)
{
    // no used
    recv_data.rfinish();                       // prevent warnings spam
    /*
        ObjectGuid guid;
        recv_data >> guid;

        // now can skip not our packet
        if (_player->GetGUID() != guid)
        {
            recv_data.rfinish();                   // prevent warnings spam
            return;
        }

    #if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network.opcode", "WORLD: CMSG_FORCE_MOVE_UNROOT_ACK");
    #endif

        recv_data.read_skip<uint32>();                          // unk

        MovementInfo movementInfo;
        movementInfo.guid = guid;
        ReadMovementInfo(recv_data, &movementInfo);
        recv_data.read_skip<float>();                           // unk2
    */
}

void WorldSession::HandleMoveRootAck(WorldPacket& recv_data)
{
    // no used
    recv_data.rfinish();                       // prevent warnings spam
    /*
        ObjectGuid guid;
        recv_data >> guid;

        // now can skip not our packet
        if (_player->GetGUID() != guid)
        {
            recv_data.rfinish();                   // prevent warnings spam
            return;
        }

    #if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network.opcode", "WORLD: CMSG_FORCE_MOVE_ROOT_ACK");
    #endif

        recv_data.read_skip<uint32>();                          // unk

        MovementInfo movementInfo;
        ReadMovementInfo(recv_data, &movementInfo);
    */
}

void WorldSession::HandleSetActionBarToggles(WorldPacket& recv_data)
{
    uint8 ActionBar;

    recv_data >> ActionBar;

    if (!GetPlayer())                                        // ignore until not logged (check needed because STATUS_AUTHED)
    {
        if (ActionBar != 0)
            LOG_ERROR("server", "WorldSession::HandleSetActionBarToggles in not logged state with value: %u, ignored", uint32(ActionBar));
        return;
    }

    GetPlayer()->SetByteValue(PLAYER_FIELD_BYTES, 2, ActionBar);
}

void WorldSession::HandlePlayedTime(WorldPacket& recv_data)
{
    uint8 unk1;
    recv_data >> unk1;                                      // 0 or 1 expected

    WorldPacket data(SMSG_PLAYED_TIME, 4 + 4 + 1);
    data << uint32(_player->GetTotalPlayedTime());
    data << uint32(_player->GetLevelPlayedTime());
    data << uint8(unk1);                                    // 0 - will not show in chat frame
    SendPacket(&data);
}

void WorldSession::HandleInspectOpcode(WorldPacket& recv_data)
{
    ObjectGuid guid;
    recv_data >> guid;

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_INSPECT");
#endif

    Player* player = ObjectAccessor::GetPlayer(*_player, guid);
    if (!player)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "CMSG_INSPECT: No player found from %s", guid.ToString().c_str());
#endif
        return;
    }

    uint32 talent_points = 0x47;
    uint32 guid_size = player->GetPackGUID().size();
    WorldPacket data(SMSG_INSPECT_TALENT, guid_size + 4 + talent_points);
    data << player->GetPackGUID();

    if (sWorld->getBoolConfig(CONFIG_TALENTS_INSPECTING) || _player->IsGameMaster())
    {
        player->BuildPlayerTalentsInfoData(&data);
    }
    else
    {
        data << uint32(0);                                  // unspentTalentPoints
        data << uint8(0);                                   // talentGroupCount
        data << uint8(0);                                   // talentGroupIndex
    }

    player->BuildEnchantmentsInfoData(&data);
    SendPacket(&data);
}

void WorldSession::HandleInspectHonorStatsOpcode(WorldPacket& recv_data)
{
    ObjectGuid guid;
    recv_data >> guid;

    Player* player = ObjectAccessor::GetPlayer(*_player, guid);
    if (!player)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "MSG_INSPECT_HONOR_STATS: No player found from %s", guid.ToString().c_str());
#endif
        return;
    }

    WorldPacket data(MSG_INSPECT_HONOR_STATS, 8 + 1 + 4 * 4);
    data << player->GetGUID();
    data << uint8(player->GetHonorPoints());
    data << uint32(player->GetUInt32Value(PLAYER_FIELD_KILLS));
    data << uint32(player->GetUInt32Value(PLAYER_FIELD_TODAY_CONTRIBUTION));
    data << uint32(player->GetUInt32Value(PLAYER_FIELD_YESTERDAY_CONTRIBUTION));
    data << uint32(player->GetUInt32Value(PLAYER_FIELD_LIFETIME_HONORABLE_KILLS));
    SendPacket(&data);
}

void WorldSession::HandleWorldTeleportOpcode(WorldPacket& recv_data)
{
    uint32 time;
    uint32 mapid;
    float PositionX;
    float PositionY;
    float PositionZ;
    float Orientation;

    recv_data >> time;                                      // time in m.sec.
    recv_data >> mapid;
    recv_data >> PositionX;
    recv_data >> PositionY;
    recv_data >> PositionZ;
    recv_data >> Orientation;                               // o (3.141593 = 180 degrees)

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: Received CMSG_WORLD_TELEPORT");
#endif

    if (GetPlayer()->IsInFlight())
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "Player '%s' (%s) in flight, ignore worldport command.", GetPlayer()->GetName().c_str(), GetPlayer()->GetGUID().ToString().c_str());
#endif
        return;
    }

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "CMSG_WORLD_TELEPORT: Player = %s, Time = %u, map = %u, x = %f, y = %f, z = %f, o = %f", GetPlayer()->GetName().c_str(), time, mapid, PositionX, PositionY, PositionZ, Orientation);
#endif

    if (AccountMgr::IsAdminAccount(GetSecurity()))
        GetPlayer()->TeleportTo(mapid, PositionX, PositionY, PositionZ, Orientation);
    else
        SendNotification(LANG_YOU_NOT_HAVE_PERMISSION);
}

void WorldSession::HandleWhoisOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "Received opcode CMSG_WHOIS");
#endif
    std::string charname;
    recv_data >> charname;

    if (!AccountMgr::IsAdminAccount(GetSecurity()))
    {
        SendNotification(LANG_YOU_NOT_HAVE_PERMISSION);
        return;
    }

    if (charname.empty() || !normalizePlayerName (charname))
    {
        SendNotification(LANG_NEED_CHARACTER_NAME);
        return;
    }

    Player* player = ObjectAccessor::FindPlayerByName(charname, false);

    if (!player)
    {
        SendNotification(LANG_PLAYER_NOT_EXIST_OR_OFFLINE, charname.c_str());
        return;
    }

    uint32 accid = player->GetSession()->GetAccountId();

    PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_ACCOUNT_WHOIS);

    stmt->setUInt32(0, accid);

    PreparedQueryResult result = LoginDatabase.Query(stmt);

    if (!result)
    {
        SendNotification(LANG_ACCOUNT_FOR_PLAYER_NOT_FOUND, charname.c_str());
        return;
    }

    Field* fields = result->Fetch();
    std::string acc = fields[0].GetString();
    if (acc.empty())
        acc = "Unknown";
    std::string email = fields[1].GetString();
    if (email.empty())
        email = "Unknown";
    std::string lastip = fields[2].GetString();
    if (lastip.empty())
        lastip = "Unknown";

    std::string msg = charname + "'s " + "account is " + acc + ", e-mail: " + email + ", last ip: " + lastip;

    WorldPacket data(SMSG_WHOIS, msg.size() + 1);
    data << msg;
    SendPacket(&data);

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "Received whois command from player %s for character %s", GetPlayer()->GetName().c_str(), charname.c_str());
#endif
}

void WorldSession::HandleComplainOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_COMPLAIN");
#endif

    uint8 spam_type;                                        // 0 - mail, 1 - chat
    ObjectGuid spammer_guid;
    uint32 unk1 = 0;
    uint32 unk2 = 0;
    uint32 unk3 = 0;
    uint32 unk4 = 0;
    std::string description = "";
    recv_data >> spam_type;                                 // unk 0x01 const, may be spam type (mail/chat)
    recv_data >> spammer_guid;                              // player guid
    switch (spam_type)
    {
        case 0:
            recv_data >> unk1;                              // const 0
            recv_data >> unk2;                              // probably mail id
            recv_data >> unk3;                              // const 0
            break;
        case 1:
            recv_data >> unk1;                              // probably language
            recv_data >> unk2;                              // message type?
            recv_data >> unk3;                              // probably channel id
            recv_data >> unk4;                              // unk random value
            recv_data >> description;                       // spam description string (messagetype, channel name, player name, message)
            break;
    }

    // NOTE: all chat messages from this spammer automatically ignored by spam reporter until logout in case chat spam.
    // if it's mail spam - ALL mails from this spammer automatically removed by client

    // Complaint Received message
    WorldPacket data(SMSG_COMPLAIN_RESULT, 1);
    data << uint8(0);
    SendPacket(&data);

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "REPORT SPAM: type %u, %s, unk1 %u, unk2 %u, unk3 %u, unk4 %u, message %s",
        spam_type, spammer_guid.ToString().c_str(), unk1, unk2, unk3, unk4, description.c_str());
#endif
}

void WorldSession::HandleRealmSplitOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "CMSG_REALM_SPLIT");
#endif

    uint32 unk;
    std::string split_date = "01/01/01";
    recv_data >> unk;

    WorldPacket data(SMSG_REALM_SPLIT, 4 + 4 + split_date.size() + 1);
    data << unk;
    data << uint32(0x00000000);                             // realm split state
    // split states:
    // 0x0 realm normal
    // 0x1 realm split
    // 0x2 realm split pending
    data << split_date;
    SendPacket(&data);
}

void WorldSession::HandleFarSightOpcode(WorldPacket& recvData)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_FAR_SIGHT");
#endif

    bool apply;
    recvData >> apply;

    if (apply)
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "Added FarSight %s to player %s", _player->GetGuidValue(PLAYER_FARSIGHT).ToString().c_str(), _player->GetGUID().ToString().c_str());
#endif
        if (WorldObject* target = _player->GetViewpoint())
            _player->SetSeer(target);
        else
        {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
            LOG_ERROR("server", "Player %s requests non-existing seer %s", _player->GetName().c_str(), _player->GetGuidValue(PLAYER_FARSIGHT).ToString().c_str());
#endif
        }
    }
    else
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network", "Player %s set vision to self", _player->GetGUID().ToString().c_str());
#endif
        _player->SetSeer(_player);
    }

    GetPlayer()->UpdateVisibilityForPlayer();
}

void WorldSession::HandleSetTitleOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "CMSG_SET_TITLE");
#endif

    int32 title;
    recv_data >> title;

    // -1 at none
    if (title > 0 && title < MAX_TITLE_INDEX)
    {
        if (!GetPlayer()->HasTitle(title))
            return;
    }
    else
        title = 0;

    GetPlayer()->SetUInt32Value(PLAYER_CHOSEN_TITLE, title);
}

void WorldSession::HandleResetInstancesOpcode(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_RESET_INSTANCES");
#endif

    if (Group* group = _player->GetGroup())
    {
        if (group->IsLeader(_player->GetGUID()))
            group->ResetInstances(INSTANCE_RESET_ALL, false, _player);
    }
    else
        Player::ResetInstances(_player->GetGUID(), INSTANCE_RESET_ALL, false);
}

void WorldSession::HandleSetDungeonDifficultyOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "MSG_SET_DUNGEON_DIFFICULTY");
#endif

    uint32 mode;
    recv_data >> mode;

    if (mode >= MAX_DUNGEON_DIFFICULTY)
        return;

    if (Difficulty(mode) == _player->GetDungeonDifficulty())
        return;

    Group* group = _player->GetGroup();
    if (group)
    {
        if (group->IsLeader(_player->GetGUID()))
        {
            for (GroupReference* itr = group->GetFirstMember(); itr != nullptr; itr = itr->next())
            {
                Player* groupGuy = itr->GetSource();
                if (!groupGuy)
                    continue;

                if (!groupGuy->IsInWorld())
                {
                    _player->SendDungeonDifficulty(group != nullptr);
                    return;
                }

                if (groupGuy->GetGUID() == _player->GetGUID() ? groupGuy->GetMap()->IsDungeon() : groupGuy->GetMap()->IsNonRaidDungeon())
                {
                    _player->SendDungeonDifficulty(group != nullptr);
                    return;
                }
            }

            group->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, false, _player);
            group->SetDungeonDifficulty(Difficulty(mode));
        }
    }
    else
    {
        if (_player->FindMap() && _player->FindMap()->IsDungeon())
        {
            _player->SendDungeonDifficulty(group != nullptr);
            return;
        }
        Player::ResetInstances(_player->GetGUID(), INSTANCE_RESET_CHANGE_DIFFICULTY, false);
        _player->SetDungeonDifficulty(Difficulty(mode));
    }
}

void WorldSession::HandleSetRaidDifficultyOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "MSG_SET_RAID_DIFFICULTY");
#endif

    uint32 mode;
    recv_data >> mode;

    if (mode >= MAX_RAID_DIFFICULTY)
        return;

    if (Difficulty(mode) == _player->GetRaidDifficulty())
        return;

    Group* group = _player->GetGroup();
    if (group)
    {
        if (group->IsLeader(_player->GetGUID()))
        {
            std::set<uint32> foundMaps;
            std::set<Map*> foundMapsPtr;
            Map* currMap = nullptr;

            if (uint32 preventionTime = group->GetDifficultyChangePreventionTime())
            {
                switch (group->GetDifficultyChangePreventionReason())
                {
                    case DIFFICULTY_PREVENTION_CHANGE_BOSS_KILLED:
                        ChatHandler(this).PSendSysMessage("Raid was in combat recently and may not change difficulty again for %u sec.", preventionTime);
                        break;
                    case DIFFICULTY_PREVENTION_CHANGE_RECENTLY_CHANGED:
                    default:
                        ChatHandler(this).PSendSysMessage("Raid difficulty has changed recently, and may not change again for %u sec.", preventionTime);
                        break;
                }

                _player->SendRaidDifficulty(group != nullptr);
                return;
            }

            for (GroupReference* itr = group->GetFirstMember(); itr != nullptr; itr = itr->next())
            {
                Player* groupGuy = itr->GetSource();
                if (!groupGuy)
                    continue;

                if (!groupGuy->IsInWorld())
                {
                    _player->SendRaidDifficulty(group != nullptr);
                    return;
                }

                if (IsSharedDifficultyMap(groupGuy->GetMap()->GetId()) && (_player->GetRaidDifficulty() >= 0 && uint32(mode % 2) == uint32(_player->GetRaidDifficulty() % 2)) && group->isRaidGroup())
                {
                    if (!currMap)
                        currMap = groupGuy->GetMap();
                    foundMaps.insert(groupGuy->GetMap()->GetId());
                    foundMapsPtr.insert(groupGuy->GetMap());
                    if (foundMaps.size() > 1 || foundMapsPtr.size() > 1)
                    {
                        _player->SendRaidDifficulty(group != nullptr);
                        return;
                    }

                    if (!groupGuy->IsAlive() || groupGuy->IsInCombat() || groupGuy->GetVictim() || groupGuy->m_mover != groupGuy || groupGuy->IsNonMeleeSpellCast(true) || (!groupGuy->GetMotionMaster()->empty() && groupGuy->GetMotionMaster()->GetCurrentMovementGeneratorType() != IDLE_MOTION_TYPE)
                            || !groupGuy->movespline->Finalized() || !groupGuy->GetMap()->ToInstanceMap() || !groupGuy->GetMap()->ToInstanceMap()->GetInstanceScript() || groupGuy->GetMap()->ToInstanceMap()->GetInstanceScript()->IsEncounterInProgress()
                            || !groupGuy->Satisfy(sObjectMgr->GetAccessRequirement(groupGuy->GetMap()->GetId(), Difficulty(mode)), groupGuy->GetMap()->GetId(), false))
                    {
                        _player->SendRaidDifficulty(group != nullptr);
                        return;
                    }
                }
                else if (groupGuy->GetGUID() == _player->GetGUID() ? groupGuy->GetMap()->IsDungeon() : groupGuy->GetMap()->IsRaid())
                {
                    _player->SendRaidDifficulty(group != nullptr);
                    return;
                }
            }

            Map* homeMap571 = sMapMgr->CreateMap(571, nullptr);
            Map* homeMap0 = sMapMgr->CreateMap(0, nullptr);
            ASSERT(homeMap0 && homeMap571);

            std::map<Player*, Position> playerTeleport;
            // handle here all players in the instance that are not in the group
            if (currMap)
                for (Map::PlayerList::const_iterator itr = currMap->GetPlayers().begin(); itr != currMap->GetPlayers().end(); ++itr)
                    if (Player* p = itr->GetSource())
                        if (p->GetGroup() != group)
                        {
                            if (!p->IsInWorld() || !p->IsAlive() || p->IsInCombat() || p->GetVictim() || p->m_mover != p || p->IsNonMeleeSpellCast(true) || (!p->GetMotionMaster()->empty() && p->GetMotionMaster()->GetCurrentMovementGeneratorType() != IDLE_MOTION_TYPE)
                                    || !p->movespline->Finalized() || !p->GetMap()->ToInstanceMap() || !p->GetMap()->ToInstanceMap()->GetInstanceScript() || p->GetMap()->ToInstanceMap()->GetInstanceScript()->IsEncounterInProgress())
                            {
                                _player->SendRaidDifficulty(group != nullptr);
                                return;
                            }
                            playerTeleport[p];
                        }
            for (std::map<Player*, Position>::iterator itr = playerTeleport.begin(); itr != playerTeleport.end(); ++itr)
            {
                Player* p = itr->first;
                Map* oldMap = p->GetMap();
                oldMap->RemovePlayerFromMap(p, false);
                p->ResetMap();
                oldMap->AfterPlayerUnlinkFromMap();
                p->SetMap(homeMap0);
                p->Relocate(0.0f, 0.0f, 0.0f, 0.0f);
                if (!p->TeleportTo(571, 5790.20f, 2071.36f, 636.07f, 3.60f))
                    p->GetSession()->KickPlayer("HandleSetRaidDifficultyOpcode 1");
            }

            bool anyoneInside = false;
            playerTeleport.clear();
            for (GroupReference* itr = group->GetFirstMember(); itr != nullptr; itr = itr->next())
            {
                Player* groupGuy = itr->GetSource();
                if (!groupGuy)
                    continue;

                if (IsSharedDifficultyMap(groupGuy->GetMap()->GetId()))
                {
                    anyoneInside = true;

                    float x, y, z, o;
                    groupGuy->GetPosition(x, y, z, o);
                    Map* oldMap = groupGuy->GetMap();
                    oldMap->RemovePlayerFromMap(groupGuy, false);
                    groupGuy->ResetMap();
                    oldMap->AfterPlayerUnlinkFromMap();
                    groupGuy->SetMap(homeMap571);
                    groupGuy->Relocate(5790.20f, 2071.36f, 636.07f, 3.60f);
                    Position dest = {x, y, z + 0.1f, o};
                    playerTeleport[groupGuy] = dest;
                }
            }

            if (!anyoneInside) // pussywizard: don't reset if changing ICC/RS difficulty while inside
                group->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, true, _player);
            group->SetRaidDifficulty(Difficulty(mode));
            group->SetDifficultyChangePrevention(DIFFICULTY_PREVENTION_CHANGE_RECENTLY_CHANGED);

            for (std::map<Player*, Position>::iterator itr = playerTeleport.begin(); itr != playerTeleport.end(); ++itr)
            {
                itr->first->SetRaidDifficulty(Difficulty(mode)); // needed for teleport not to fail
                if (!itr->first->TeleportTo(*(foundMaps.begin()), itr->second.GetPositionX(), itr->second.GetPositionY(), itr->second.GetPositionZ(), itr->second.GetOrientation()))
                    itr->first->GetSession()->KickPlayer("HandleSetRaidDifficultyOpcode 2");
            }
        }
    }
    else
    {
        if (_player->FindMap() && _player->FindMap()->IsDungeon())
        {
            _player->SendRaidDifficulty(group != nullptr);
            return;
        }
        Player::ResetInstances(_player->GetGUID(), INSTANCE_RESET_CHANGE_DIFFICULTY, true);
        _player->SetRaidDifficulty(Difficulty(mode));
    }
}

void WorldSession::HandleCancelMountAuraOpcode(WorldPacket& /*recv_data*/)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_CANCEL_MOUNT_AURA");
#endif

    //If player is not mounted, so go out :)
    if (!_player->IsMounted())                              // not blizz like; no any messages on blizz
    {
        ChatHandler(this).SendSysMessage(LANG_CHAR_NON_MOUNTED);
        return;
    }

    if (_player->IsInFlight())                               // not blizz like; no any messages on blizz
    {
        ChatHandler(this).SendSysMessage(LANG_YOU_IN_FLIGHT);
        return;
    }

    _player->Dismount();
    _player->RemoveAurasByType(SPELL_AURA_MOUNTED);
}

void WorldSession::HandleMoveSetCanFlyAckOpcode(WorldPacket& recv_data)
{
    // fly mode on/off
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_MOVE_SET_CAN_FLY_ACK");
#endif

    ObjectGuid guid;
    recv_data >> guid.ReadAsPacked();

    if (!_player)
    {
        recv_data.rfinish(); // prevent warnings spam
        return;
    }

    recv_data.read_skip<uint32>();                          // unk

    MovementInfo movementInfo;
    movementInfo.guid = guid;
    ReadMovementInfo(recv_data, &movementInfo);

    recv_data.read_skip<float>();                           // unk2

    sScriptMgr->AnticheatSetCanFlybyServer(_player, movementInfo.HasMovementFlag(MOVEMENTFLAG_CAN_FLY));

    _player->m_mover->m_movementInfo.flags = movementInfo.GetMovementFlags();
}

void WorldSession::HandleRequestPetInfoOpcode(WorldPacket& /*recv_data */)
{
    /*
    #if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("network.opcode", "WORLD: CMSG_REQUEST_PET_INFO");
    #endif
        recv_data.hexlike();
    */

    if (_player->GetPet())
        _player->PetSpellInitialize();
    else if (_player->GetCharm())
        _player->CharmSpellInitialize();
}

void WorldSession::HandleSetTaxiBenchmarkOpcode(WorldPacket& recv_data)
{
    uint8 mode;
    recv_data >> mode;

    mode ? _player->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_TAXI_BENCHMARK) : _player->RemoveFlag(PLAYER_FLAGS, PLAYER_FLAGS_TAXI_BENCHMARK);

#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "Client used \"/timetest %d\" command", mode);
#endif
}

void WorldSession::HandleQueryInspectAchievements(WorldPacket& recv_data)
{
    ObjectGuid guid;
    recv_data >> guid.ReadAsPacked();

    Player* player = ObjectAccessor::GetPlayer(*_player, guid);
    if (!player)
        return;

    player->SendRespondInspectAchievements(_player);
}

void WorldSession::HandleWorldStateUITimerUpdate(WorldPacket& /*recv_data*/)
{
    // empty opcode
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_WORLD_STATE_UI_TIMER_UPDATE");
#endif

    WorldPacket data(SMSG_WORLD_STATE_UI_TIMER_UPDATE, 4);
    data << uint32(time(nullptr));
    SendPacket(&data);
}

void WorldSession::HandleReadyForAccountDataTimes(WorldPacket& /*recv_data*/)
{
    // empty opcode
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_READY_FOR_ACCOUNT_DATA_TIMES");
#endif

    SendAccountDataTimes(GLOBAL_CACHE_MASK);
}

void WorldSession::SendSetPhaseShift(uint32 PhaseShift)
{
    WorldPacket data(SMSG_SET_PHASE_SHIFT, 4);
    data << uint32(PhaseShift);
    SendPacket(&data);
}

//Battlefield and Battleground
void WorldSession::HandleAreaSpiritHealerQueryOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_AREA_SPIRIT_HEALER_QUERY");
#endif

    Battleground* bg = _player->GetBattleground();

    ObjectGuid guid;
    recv_data >> guid;

    Creature* unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if (!unit->IsSpiritService())                            // it's not spirit service
        return;

    if (bg)
        sBattlegroundMgr->SendAreaSpiritHealerQueryOpcode(_player, bg, guid);

    if (Battlefield* bf = sBattlefieldMgr->GetBattlefieldToZoneId(_player->GetZoneId()))
        bf->SendAreaSpiritHealerQueryOpcode(_player, guid);
}

void WorldSession::HandleAreaSpiritHealerQueueOpcode(WorldPacket& recv_data)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_AREA_SPIRIT_HEALER_QUEUE");
#endif

    Battleground* bg = _player->GetBattleground();

    ObjectGuid guid;
    recv_data >> guid;

    Creature* unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if (!unit->IsSpiritService())                            // it's not spirit service
        return;

    if (bg)
        bg->AddPlayerToResurrectQueue(guid, _player->GetGUID());

    if (Battlefield* bf = sBattlefieldMgr->GetBattlefieldToZoneId(_player->GetZoneId()))
        bf->AddPlayerToResurrectQueue(guid, _player->GetGUID());
}

void WorldSession::HandleHearthAndResurrect(WorldPacket& /*recv_data*/)
{
    if (_player->IsInFlight())
        return;

    if(Battlefield* bf = sBattlefieldMgr->GetBattlefieldToZoneId(_player->GetZoneId()))
    {
        bf->PlayerAskToLeave(_player);
        return;
    }

    AreaTableEntry const* atEntry = sAreaTableStore.LookupEntry(_player->GetAreaId());
    if (!atEntry || !(atEntry->flags & AREA_FLAG_WINTERGRASP_2))
        return;

    _player->BuildPlayerRepop();
    _player->ResurrectPlayer(1.0f);
    _player->SpawnCorpseBones();
    _player->TeleportTo(_player->m_homebindMapId, _player->m_homebindX, _player->m_homebindY, _player->m_homebindZ, _player->GetOrientation());
}

void WorldSession::HandleInstanceLockResponse(WorldPacket& recvPacket)
{
    uint8 accept;
    recvPacket >> accept;

    if (!_player->HasPendingBind() || _player->GetPendingBind() != _player->GetInstanceId() || (_player->GetGroup() && _player->GetGroup()->isLFGGroup() && _player->GetGroup()->IsLfgRandomInstance()))
    {
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
        LOG_DEBUG("server", "InstanceLockResponse: Player %s (%s) tried to bind himself/teleport to graveyard without a pending bind!",
            _player->GetName().c_str(), _player->GetGUID().ToString().c_str());
#endif
        return;
    }

    if (accept)
        _player->BindToInstance();
    else
        _player->RepopAtGraveyard();

    _player->SetPendingBind(0, 0);
}

void WorldSession::HandleUpdateMissileTrajectory(WorldPacket& recvPacket)
{
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
    LOG_DEBUG("network", "WORLD: CMSG_UPDATE_MISSILE_TRAJECTORY");
#endif

    ObjectGuid guid;
    uint32 spellId;
    float elevation, speed;
    float curX, curY, curZ;
    float targetX, targetY, targetZ;
    uint8 moveStop;

    recvPacket >> guid >> spellId >> elevation >> speed;
    recvPacket >> curX >> curY >> curZ;
    recvPacket >> targetX >> targetY >> targetZ;
    recvPacket >> moveStop;

    Unit* caster = ObjectAccessor::GetUnit(*_player, guid);
    Spell* spell = caster ? caster->GetCurrentSpell(CURRENT_GENERIC_SPELL) : nullptr;
    if (!spell || spell->m_spellInfo->Id != spellId || !spell->m_targets.HasDst() || !spell->m_targets.HasSrc())
    {
        recvPacket.rfinish();
        return;
    }

    Position pos = *spell->m_targets.GetSrcPos();
    pos.Relocate(curX, curY, curZ);
    spell->m_targets.ModSrc(pos);

    pos = *spell->m_targets.GetDstPos();
    pos.Relocate(targetX, targetY, targetZ);
    spell->m_targets.ModDst(pos);

    spell->m_targets.SetElevation(elevation);
    spell->m_targets.SetSpeed(speed);

    if (moveStop)
    {
        uint32 opcode;
        recvPacket >> opcode;
        recvPacket.SetOpcode(opcode);
        HandleMovementOpcodes(recvPacket);
    }
}