/*
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "Common.h"
#include "Language.h"
#include "Database/DatabaseEnv.h"
#include "Database/DatabaseImpl.h"
#include "WorldPacket.h"
#include "Opcodes.h"
#include "Log.h"
#include "Player.h"
#include "GossipDef.h"
#include "World.h"
#include "ObjectMgr.h"
#include "WorldSession.h"
#include "Auth/BigNumber.h"
#include "Auth/Sha1.h"
#include "UpdateData.h"
#include "LootMgr.h"
#include "Chat.h"
#include <zlib/zlib.h>
#include "ObjectAccessor.h"
#include "Object.h"
#include "BattleGround.h"
#include "OutdoorPvP.h"
#include "Pet.h"
#include "SocialMgr.h"
#include "CellImpl.h"
#include "AccountMgr.h"
#include "Vehicle.h"
#include "CreatureAI.h"
#include "DBCEnums.h"
#include "ScriptMgr.h"

void WorldSession::HandleRepopRequestOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: Recvd CMSG_REPOP_REQUEST Message");

    recv_data.read_skip<uint8>();

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

    // 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)
    {
        sLog.outDebug("HandleRepopRequestOpcode: got request after player %s(%d) was killed and before he was updated", GetPlayer()->GetName(), GetPlayer()->GetGUIDLow());
        GetPlayer()->KillPlayer();
    }

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

void WorldSession::HandleGossipSelectOptionOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: CMSG_GOSSIP_SELECT_OPTION");

    uint32 gossipListId;
    uint32 menuId;
    uint64 guid;
    std::string code = "";

    recv_data >> guid >> menuId >> gossipListId;

    if (_player->PlayerTalkClass->GossipOptionCoded(gossipListId))
    {
        // recheck
        sLog.outBasic("reading string");
        recv_data >> code;
        sLog.outBasic("string read: %s", code.c_str());
    }

    Creature *unit = NULL;
    GameObject *go = NULL;
    if (IS_CRE_OR_VEH_GUID(guid))
    {
        unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_NONE);
        if (!unit)
        {
            sLog.outDebug("WORLD: HandleGossipSelectOptionOpcode - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)));
            return;
        }
    }
    else if (IS_GAMEOBJECT_GUID(guid))
    {
        go = _player->GetMap()->GetGameObject(guid);
        if (!go)
        {
            sLog.outDebug("WORLD: HandleGossipSelectOptionOpcode - GameObject (GUID: %u) not found.", uint32(GUID_LOPART(guid)));
            return;
        }
    }
    else
    {
        sLog.outDebug("WORLD: HandleGossipSelectOptionOpcode - unsupported GUID type for highguid %u. lowpart %u.", uint32(GUID_HIPART(guid)), uint32(GUID_LOPART(guid)));
        return;
    }

    // remove fake death
    if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    if (!code.empty())
    {
        if (unit)
        {
            if (!sScriptMgr.GossipSelectWithCode(_player, unit, _player->PlayerTalkClass->GossipOptionSender(gossipListId), _player->PlayerTalkClass->GossipOptionAction(gossipListId), code.c_str()))
                _player->OnGossipSelect(unit, gossipListId, menuId);
        }
        else
            sScriptMgr.GOSelectWithCode(_player, go, _player->PlayerTalkClass->GossipOptionSender(gossipListId), _player->PlayerTalkClass->GossipOptionAction(gossipListId), code.c_str());
    }
    else
    {
        if (unit)
        {
            if (!sScriptMgr.GossipSelect(_player, unit, _player->PlayerTalkClass->GossipOptionSender(gossipListId), _player->PlayerTalkClass->GossipOptionAction(gossipListId)))
                _player->OnGossipSelect(unit, gossipListId, menuId);
        }
        else
            sScriptMgr.GOSelect(_player, go, _player->PlayerTalkClass->GossipOptionSender(gossipListId), _player->PlayerTalkClass->GossipOptionAction(gossipListId));
    }
}

void WorldSession::HandleWhoOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: Recvd CMSG_WHO Message");
    //recv_data.hexlike();

    uint32 clientcount = 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;

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

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

    recv_data >> racemask;                                  // race mask
    recv_data >> classmask;                                 // class mask
    recv_data >> 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;
        recv_data >> temp;                                  // zone id, 0 if zone is unknown...
        zoneids[i] = temp;
        sLog.outDebug("Zone %u: %u", i, zoneids[i]);
    }

    recv_data >> 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

    sLog.outDebug("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;
        recv_data >> temp;                                  // user entered string, it used as universal search pattern(guild+player name)?

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

        wstrToLower(str[i]);

        sLog.outDebug("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->GetTeam();
    uint32 security = GetSecurity();
    bool allowTwoSideWhoList = sWorld.getConfig(CONFIG_ALLOW_TWO_SIDE_WHO_LIST);
    uint32 gmLevelInWhoList  = sWorld.getConfig(CONFIG_GM_LEVEL_IN_WHO_LIST);

    WorldPacket data(SMSG_WHO, 50);                       // guess size
    data << uint32(clientcount);                            // clientcount place holder, listed count
    data << uint32(clientcount);                            // clientcount place holder, online count

    ObjectAccessor::Guard guard(*HashMapHolder<Player>::GetLock());
    HashMapHolder<Player>::MapType& m = ObjectAccessor::Instance().GetPlayers();
    for (HashMapHolder<Player>::MapType::const_iterator itr = m.begin(); itr != m.end(); ++itr)
    {
        if (security == SEC_PLAYER)
        {
            // player can see member of other team only if CONFIG_ALLOW_TWO_SIDE_WHO_LIST
            if (itr->second->GetTeam() != team && !allowTwoSideWhoList)
                continue;

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

        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 = objmgr.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 = GetAreaEntryByAreaID(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;

        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(0);                                   // new 2.4.0
        data << uint32(pzoneid);                          // player zone id

        // 49 is maximum player count sent to client - can be overridden
        // through config, but is unstable
        if ((++clientcount) == sWorld.getConfig(CONFIG_MAX_WHO))
            break;
    }

    uint32 count = m.size();
    data.put( 0, clientcount );                             // insert right count, listed count
    data.put( 4, count > 50 ? count : clientcount );        // insert right count, online count

    SendPacket(&data);
    sLog.outDebug("WORLD: Send SMSG_WHO Message");
}

void WorldSession::HandleLogoutRequestOpcode(WorldPacket & /*recv_data*/)
{
    sLog.outDebug("WORLD: Recvd CMSG_LOGOUT_REQUEST Message, security - %u", GetSecurity());

    if (uint64 lguid = GetPlayer()->GetLootGUID())
        DoLootRelease(lguid);

    //Can not logout if...
    if (GetPlayer()->isInCombat() ||                        //...is in combat
        GetPlayer()->duel         ||                        //...is in Duel
        GetPlayer()->HasAura(9454)         ||             //...is frozen by GM via freeze command
                                                            //...is jumping ...is falling
        GetPlayer()->m_movementInfo.HasMovementFlag(MOVEMENTFLAG_JUMPING | MOVEMENTFLAG_FALLING))
    {
        WorldPacket data(SMSG_LOGOUT_RESPONSE, (2+4)) ;
        data << (uint8)0xC;
        data << uint32(0);
        data << uint8(0);
        SendPacket(&data);
        LogoutRequest(0);
        return;
    }

    //instant logout in taverns/cities or on taxi or for admins, gm's, mod's if its enabled in TrinityCore.conf
    if (GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING) || GetPlayer()->isInFlight() ||
        GetSecurity() >= sWorld.getConfig(CONFIG_INSTANT_LOGOUT))
    {
        LogoutPlayer(true);
        return;
    }

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

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

    WorldPacket data(SMSG_LOGOUT_RESPONSE, 5);
    data << uint32(0);
    data << uint8(0);
    SendPacket(&data);
    LogoutRequest(time(NULL));
}

void WorldSession::HandlePlayerLogoutOpcode(WorldPacket & /*recv_data*/)
{
    sLog.outDebug("WORLD: Recvd CMSG_PLAYER_LOGOUT Message");
}

void WorldSession::HandleLogoutCancelOpcode(WorldPacket & /*recv_data*/)
{
    sLog.outDebug("WORLD: Recvd CMSG_LOGOUT_CANCEL Message");

    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())
    {
        //!we can move again
        data.Initialize(SMSG_FORCE_MOVE_UNROOT, 8);       // guess size
        data.append(GetPlayer()->GetPackGUID());
        data << uint32(0);
        SendPacket(&data);

        //! Stand Up
        GetPlayer()->SetStandState(UNIT_STAND_STATE_STAND);

        //! DISABLE_ROTATE
        GetPlayer()->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_STUNNED);
    }

    sLog.outDebug("WORLD: sent SMSG_LOGOUT_CANCEL_ACK Message");
}

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);
        GetPlayer()->ApplyModFlag(PLAYER_FLAGS, PLAYER_FLAGS_PVP_TIMER, !newPvPStatus);
    }
    else
    {
        GetPlayer()->ToggleFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP);
        GetPlayer()->ToggleFlag(PLAYER_FLAGS, PLAYER_FLAGS_PVP_TIMER);
    }

    if (GetPlayer()->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IN_PVP))
    {
        if (!GetPlayer()->IsPvP() || GetPlayer()->pvpInfo.endTimer != 0)
            GetPlayer()->UpdatePvP(true, true);
    }
    else
    {
        if (!GetPlayer()->pvpInfo.inHostileArea && GetPlayer()->IsPvP())
            GetPlayer()->pvpInfo.endTimer = time(NULL);     // start toggle-off
    }

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

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

    sLog.outDetail("WORLD: Recvd ZONE_UPDATE: %u", newZone);

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

void WorldSession::HandleSetTargetOpcode(WorldPacket & recv_data)
{
    // When this packet send?
    uint64 guid ;
    recv_data >> guid;

    _player->SetUInt32Value(UNIT_FIELD_TARGET, guid);

    // update reputation list if need
    Unit* unit = ObjectAccessor::GetUnit(*_player, guid);
    if (!unit)
        return;

    if (FactionTemplateEntry const* factionTemplateEntry = sFactionTemplateStore.LookupEntry(unit->getFaction()))
        _player->GetReputationMgr().SetVisible(factionTemplateEntry);
}

void WorldSession::HandleSetSelectionOpcode(WorldPacket & recv_data)
{
    uint64 guid;
    recv_data >> guid;

    _player->SetSelection(guid);

    // update reputation list if need
    Unit* unit = ObjectAccessor::GetUnit(*_player, guid);
    if (!unit)
        return;

    if (FactionTemplateEntry const* factionTemplateEntry = sFactionTemplateStore.LookupEntry(unit->getFaction()))
        _player->GetReputationMgr().SetVisible(factionTemplateEntry);
}

void WorldSession::HandleStandStateChangeOpcode(WorldPacket & recv_data)
{
    // sLog.outDebug("WORLD: Received CMSG_STANDSTATECHANGE"); -- too many spam in log at lags/debug stop
    uint32 animstate;
    recv_data >> animstate;

    _player->SetStandState(animstate);
}

void WorldSession::HandleContactListOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: Received CMSG_CONTACT_LIST");
    uint32 unk;
    recv_data >> unk;
    sLog.outDebug("unk value is %u", unk);
    _player->GetSocial()->SendSocialList();
}

void WorldSession::HandleAddFriendOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: Received CMSG_ADD_FRIEND");

    std::string friendName = GetTrinityString(LANG_FRIEND_IGNORE_UNKNOWN);
    std::string friendNote;

    recv_data >> friendName;

    recv_data >> friendNote;

    if (!normalizePlayerName(friendName))
        return;

    CharacterDatabase.escape_string(friendName);            // prevent SQL injection - normal name don't must changed by this call

    sLog.outDebug("WORLD: %s asked to add friend : '%s'",
        GetPlayer()->GetName(), friendName.c_str());

    CharacterDatabase.AsyncPQuery(&WorldSession::HandleAddFriendOpcodeCallBack, GetAccountId(), friendNote, "SELECT guid, race, account FROM characters WHERE name = '%s'", friendName.c_str());
}

void WorldSession::HandleAddFriendOpcodeCallBack(QueryResult_AutoPtr result, uint32 accountId, std::string friendNote)
{
    uint64 friendGuid;
    uint64 friendAcctid;
    uint32 team;
    FriendsResult friendResult;

    WorldSession * session = sWorld.FindSession(accountId);

    if (!session || !session->GetPlayer())
        return;

    friendResult = FRIEND_NOT_FOUND;
    friendGuid = 0;

    if (result)
    {
        friendGuid = MAKE_NEW_GUID((*result)[0].GetUInt32(), 0, HIGHGUID_PLAYER);
        team = Player::TeamForRace((*result)[1].GetUInt8());
        friendAcctid = (*result)[2].GetUInt32();

        if (session->GetSecurity() >= SEC_MODERATOR || sWorld.getConfig(CONFIG_ALLOW_GM_FRIEND) || accmgr.GetSecurity(friendAcctid) < SEC_MODERATOR)
        {
            if (friendGuid)
            {
                if (friendGuid == session->GetPlayer()->GetGUID())
                    friendResult = FRIEND_SELF;
                else if (session->GetPlayer()->GetTeam() != team && !sWorld.getConfig(CONFIG_ALLOW_TWO_SIDE_ADD_FRIEND) && session->GetSecurity() < SEC_MODERATOR)
                    friendResult = FRIEND_ENEMY;
                else if (session->GetPlayer()->GetSocial()->HasFriend(GUID_LOPART(friendGuid)))
                    friendResult = FRIEND_ALREADY;
                else
                {
                    Player* pFriend = ObjectAccessor::FindPlayer(friendGuid);
                    if (pFriend && pFriend->IsInWorld() && pFriend->IsVisibleGloballyFor(session->GetPlayer()))
                        friendResult = FRIEND_ADDED_ONLINE;
                    else
                        friendResult = FRIEND_ADDED_OFFLINE;
                    if (!session->GetPlayer()->GetSocial()->AddToSocialList(GUID_LOPART(friendGuid), false))
                    {
                        friendResult = FRIEND_LIST_FULL;
                        sLog.outDebug("WORLD: %s's friend list is full.", session->GetPlayer()->GetName());
                    }
                }
                session->GetPlayer()->GetSocial()->SetFriendNote(GUID_LOPART(friendGuid), friendNote);
            }
        }
    }

    sSocialMgr.SendFriendStatus(session->GetPlayer(), friendResult, GUID_LOPART(friendGuid), false);

    sLog.outDebug("WORLD: Sent (SMSG_FRIEND_STATUS)");
}

void WorldSession::HandleDelFriendOpcode(WorldPacket & recv_data)
{
    uint64 FriendGUID;

    sLog.outDebug("WORLD: Received CMSG_DEL_FRIEND");

    recv_data >> FriendGUID;

    _player->GetSocial()->RemoveFromSocialList(GUID_LOPART(FriendGUID), false);

    sSocialMgr.SendFriendStatus(GetPlayer(), FRIEND_REMOVED, GUID_LOPART(FriendGUID), false);

    sLog.outDebug("WORLD: Sent motd (SMSG_FRIEND_STATUS)");
}

void WorldSession::HandleAddIgnoreOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: Received CMSG_ADD_IGNORE");

    std::string IgnoreName = GetTrinityString(LANG_FRIEND_IGNORE_UNKNOWN);

    recv_data >> IgnoreName;

    if (!normalizePlayerName(IgnoreName))
        return;

    CharacterDatabase.escape_string(IgnoreName);            // prevent SQL injection - normal name don't must changed by this call

    sLog.outDebug("WORLD: %s asked to Ignore: '%s'",
        GetPlayer()->GetName(), IgnoreName.c_str());

    CharacterDatabase.AsyncPQuery(&WorldSession::HandleAddIgnoreOpcodeCallBack, GetAccountId(), "SELECT guid FROM characters WHERE name = '%s'", IgnoreName.c_str());
}

void WorldSession::HandleAddIgnoreOpcodeCallBack(QueryResult_AutoPtr result, uint32 accountId)
{
    uint64 IgnoreGuid;
    FriendsResult ignoreResult;

    WorldSession * session = sWorld.FindSession(accountId);

    if (!session || !session->GetPlayer())
        return;

    ignoreResult = FRIEND_IGNORE_NOT_FOUND;
    IgnoreGuid = 0;

    if (result)
    {
        IgnoreGuid = MAKE_NEW_GUID((*result)[0].GetUInt32(), 0, HIGHGUID_PLAYER);

        if (IgnoreGuid)
        {
            if (IgnoreGuid == session->GetPlayer()->GetGUID())              //not add yourself
                ignoreResult = FRIEND_IGNORE_SELF;
            else if (session->GetPlayer()->GetSocial()->HasIgnore(GUID_LOPART(IgnoreGuid)))
                ignoreResult = FRIEND_IGNORE_ALREADY;
            else
            {
                ignoreResult = FRIEND_IGNORE_ADDED;

                // ignore list full
                if (!session->GetPlayer()->GetSocial()->AddToSocialList(GUID_LOPART(IgnoreGuid), true))
                    ignoreResult = FRIEND_IGNORE_FULL;
            }
        }
    }

    sSocialMgr.SendFriendStatus(session->GetPlayer(), ignoreResult, GUID_LOPART(IgnoreGuid), false);

    sLog.outDebug("WORLD: Sent (SMSG_FRIEND_STATUS)");
}

void WorldSession::HandleDelIgnoreOpcode(WorldPacket & recv_data)
{
    uint64 IgnoreGUID;

    sLog.outDebug("WORLD: Received CMSG_DEL_IGNORE");

    recv_data >> IgnoreGUID;

    _player->GetSocial()->RemoveFromSocialList(GUID_LOPART(IgnoreGUID), true);

    sSocialMgr.SendFriendStatus(GetPlayer(), FRIEND_IGNORE_REMOVED, GUID_LOPART(IgnoreGUID), false);

    sLog.outDebug("WORLD: Sent motd (SMSG_FRIEND_STATUS)");
}

void WorldSession::HandleSetContactNotesOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("CMSG_SET_CONTACT_NOTES");
    uint64 guid;
    std::string note;
    recv_data >> guid >> note;
    _player->GetSocial()->SetFriendNote(guid, note);
}

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

    recv_data >> suggestion >> contentlen >> content;

    recv_data >> typelen >> type;

    if (suggestion == 0)
        sLog.outDebug("WORLD: Received CMSG_BUG [Bug Report]");
    else
        sLog.outDebug("WORLD: Received CMSG_BUG [Suggestion]");

    sLog.outDebug("%s", type.c_str());
    sLog.outDebug("%s", content.c_str());

    CharacterDatabase.escape_string(type);
    CharacterDatabase.escape_string(content);
    CharacterDatabase.PExecute ("INSERT INTO bugreport (type,content) VALUES('%s', '%s')", type.c_str(), content.c_str());
}

void WorldSession::HandleReclaimCorpseOpcode(WorldPacket &recv_data)
{
    sLog.outDetail("WORLD: Received CMSG_RECLAIM_CORPSE");

    uint64 guid;
    recv_data >> guid;

    if (GetPlayer()->isAlive())
        return;

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

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

    Corpse *corpse = GetPlayer()->GetCorpse();

    if (!corpse)
        return;

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

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

    // resurrect
    GetPlayer()->ResurrectPlayer(GetPlayer()->InBattleGround() ? 1.0f : 0.5f);

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

void WorldSession::HandleResurrectResponseOpcode(WorldPacket & recv_data)
{
    sLog.outDetail("WORLD: Received CMSG_RESURRECT_RESPONSE");

    uint64 guid;
    uint8 status;
    recv_data >> guid;
    recv_data >> status;

    if (GetPlayer()->isAlive())
        return;

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

    if (!GetPlayer()->isRessurectRequestedBy(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)
{
    sLog.outDebug("WORLD: Received CMSG_AREATRIGGER");

    uint32 Trigger_ID;

    recv_data >> Trigger_ID;
    sLog.outDebug("Trigger ID:%u",Trigger_ID);

    if (GetPlayer()->isInFlight())
    {
        sLog.outDebug("Player '%s' (GUID: %u) in flight, ignore Area Trigger ID:%u",GetPlayer()->GetName(),GetPlayer()->GetGUIDLow(), Trigger_ID);
        return;
    }

    AreaTriggerEntry const* atEntry = sAreaTriggerStore.LookupEntry(Trigger_ID);
    if (!atEntry)
    {
        sLog.outDebug("Player '%s' (GUID: %u) send unknown (by DBC) Area Trigger ID:%u",GetPlayer()->GetName(),GetPlayer()->GetGUIDLow(), Trigger_ID);
        return;
    }

    if (GetPlayer()->GetMapId() != atEntry->mapid)
    {
        sLog.outDebug("Player '%s' (GUID: %u) too far (trigger map: %u player map: %u), ignore Area Trigger ID: %u", GetPlayer()->GetName(), atEntry->mapid, GetPlayer()->GetMapId(), GetPlayer()->GetGUIDLow(), Trigger_ID);
        return;
    }

    // delta is safe radius
    const float delta = 5.0f;
    // check if player in the range of areatrigger
    Player* pl = GetPlayer();

    if (atEntry->radius > 0)
    {
        // if we have radius check it
        float dist = pl->GetDistance(atEntry->x,atEntry->y,atEntry->z);
        if (dist > atEntry->radius + delta)
        {
            sLog.outDebug("Player '%s' (GUID: %u) too far (radius: %f distance: %f), ignore Area Trigger ID: %u",
                pl->GetName(), pl->GetGUIDLow(), atEntry->radius, dist, Trigger_ID);
            return;
        }
    }
    else
    {
        // we have only extent

        // rotate the players position instead of rotating the whole cube, that way we can make a simplified
        // is-in-cube check and we have to calculate only one point instead of 4

        // 2PI = 360°, keep in mind that ingame orientation is counter-clockwise
        double rotation = 2*M_PI-atEntry->box_orientation;
        double sinVal = sin(rotation);
        double cosVal = cos(rotation);

        float playerBoxDistX = pl->GetPositionX() - atEntry->x;
        float playerBoxDistY = pl->GetPositionY() - atEntry->y;

        float rotPlayerX = atEntry->x + playerBoxDistX * cosVal - playerBoxDistY*sinVal;
        float rotPlayerY = atEntry->y + playerBoxDistY * cosVal + playerBoxDistX*sinVal;

        // box edges are parallel to coordiante axis, so we can treat every dimension independently :D
        float dz = pl->GetPositionZ() - atEntry->z;
        float dx = rotPlayerX - atEntry->x;
        float dy = rotPlayerY - atEntry->y;
        if ((fabs(dx) > atEntry->box_x/2 + delta) ||
            (fabs(dy) > atEntry->box_y/2 + delta) ||
            (fabs(dz) > atEntry->box_z/2 + delta))
        {
            sLog.outDebug("Player '%s' (GUID: %u) too far (1/2 box X: %f 1/2 box Y: %f 1/2 box Z: %f rotatedPlayerX: %f rotatedPlayerY: %f dZ:%f), ignore Area Trigger ID: %u",
                pl->GetName(), pl->GetGUIDLow(), atEntry->box_x/2, atEntry->box_y/2, atEntry->box_z/2, rotPlayerX, rotPlayerY, dz, Trigger_ID);
            return;
        }
    }

    if (sScriptMgr.AreaTrigger(GetPlayer(), atEntry))
        return;

    uint32 quest_id = objmgr.GetQuestForAreaTrigger(Trigger_ID);
    if (quest_id && GetPlayer()->isAlive() && GetPlayer()->IsActiveQuest(quest_id))
    {
        Quest const* pQuest = objmgr.GetQuestTemplate(quest_id);
        if (pQuest)
        {
            if (GetPlayer()->GetQuestStatus(quest_id) == QUEST_STATUS_INCOMPLETE)
                GetPlayer()->AreaExploredOrEventHappens(quest_id);
        }
    }

    if (objmgr.IsTavernAreaTrigger(Trigger_ID))
    {
        // set resting flag we are in the inn
        GetPlayer()->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_RESTING);
        GetPlayer()->InnEnter(time(NULL), atEntry->mapid, atEntry->x, atEntry->y, atEntry->z);
        GetPlayer()->SetRestType(REST_TYPE_IN_TAVERN);

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

        return;
    }

    if (GetPlayer()->InBattleGround())
    {
        BattleGround* bg = GetPlayer()->GetBattleGround();
        if (bg)
            if (bg->GetStatus() == STATUS_IN_PROGRESS)
                bg->HandleAreaTrigger(GetPlayer(), Trigger_ID);

        return;
    }

    if (OutdoorPvP * pvp = GetPlayer()->GetOutdoorPvP())
    {
        if (pvp->HandleAreaTrigger(_player, Trigger_ID))
            return;
    }

    // NULL if all values default (non teleport trigger)
    AreaTrigger const* at = objmgr.GetAreaTrigger(Trigger_ID);
    if (!at)
        return;

    if (!GetPlayer()->Satisfy(objmgr.GetAccessRequirement(at->access_id), at->target_mapId, true))
        return;

    GetPlayer()->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)
{
    sLog.outDetail("WORLD: Received CMSG_UPDATE_ACCOUNT_DATA");

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

    sLog.outDebug("UAD: type %u, time %u, decompressedSize %u", type, timestamp, decompressedSize);

    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.rpos(recv_data.wpos());                   // unnneded warning spam in this case
        sLog.outError("UAD: Account data packet too big, size %u", decompressedSize);
        return;
    }

    ByteBuffer dest;
    dest.resize(decompressedSize);

    uLongf realSize = decompressedSize;
    if (uncompress(const_cast<uint8*>(dest.contents()), &realSize, const_cast<uint8*>(recv_data.contents() + recv_data.rpos()), recv_data.size() - recv_data.rpos()) != Z_OK)
    {
        recv_data.rpos(recv_data.wpos());                   // unnneded warning spam in this case
        sLog.outError("UAD: Failed to decompress account data");
        return;
    }

    recv_data.rpos(recv_data.wpos());                       // 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)
{
    sLog.outDetail("WORLD: Received CMSG_REQUEST_ACCOUNT_DATA");

    uint32 type;
    recv_data >> type;

    sLog.outDebug("RAD: type %u", type);

    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(const_cast<uint8*>(dest.contents()), &destSize, (uint8*)adata->Data.c_str(), size) != Z_OK)
    {
        sLog.outDebug("RAD: Failed to compress account data");
        return;
    }

    dest.resize(destSize);

    WorldPacket data(SMSG_UPDATE_ACCOUNT_DATA, 8+4+4+4+destSize);
    data << uint64(_player ? _player->GetGUID() : 0);       // 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)
{
    sLog.outDebug("WORLD: Received CMSG_SET_ACTION_BUTTON");
    uint8 button;
    uint32 packetData;
    recv_data >> button >> packetData;

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

    sLog.outDetail("BUTTON: %u ACTION: %u TYPE: %u", button, action, type);
    if (!packetData)
    {
        sLog.outDetail("MISC: Remove action from button %u", button);
        GetPlayer()->removeActionButton(button);
    }
    else
    {
        switch(type)
        {
            case ACTION_BUTTON_MACRO:
            case ACTION_BUTTON_CMACRO:
                sLog.outDetail("MISC: Added Macro %u into button %u", action, button);
                break;
            case ACTION_BUTTON_EQSET:
                sLog.outDetail("MISC: Added EquipmentSet %u into button %u", action, button);
                break;
            case ACTION_BUTTON_SPELL:
                sLog.outDetail("MISC: Added Spell %u into button %u", action, button);
                break;
            case ACTION_BUTTON_ITEM:
                sLog.outDetail("MISC: Added Item %u into button %u", action, button);
                break;
            default:
                sLog.outError("MISC: Unknown action button type %u for action %u into button %u", type, action, button);
                return;
        }
        GetPlayer()->addActionButton(button, action, type);
    }
}

void WorldSession::HandleCompleteCinematic(WorldPacket & /*recv_data*/)
{
    DEBUG_LOG("WORLD: Player is watching cinema");
}

void WorldSession::HandleNextCinematicCamera(WorldPacket & /*recv_data*/)
{
    DEBUG_LOG("WORLD: Which movie to play");
}

void WorldSession::HandleMoveTimeSkippedOpcode(WorldPacket & recv_data)
{
    /*  WorldSession::Update(getMSTime());*/
    DEBUG_LOG("WORLD: Time Lag/Synchronization Resent/Update");

    uint64 guid;
    if (!recv_data.readPackGUID(guid))
    {
        recv_data.rpos(recv_data.wpos());
        return;
    }
    recv_data.read_skip<uint32>();
    /*
        uint64 guid;
        uint32 time_skipped;
        recv_data >> guid;
        recv_data >> time_skipped;
        sLog.outDebug("WORLD: CMSG_MOVE_TIME_SKIPPED");

        /// TODO
        must be need use in Trinity
        We substract server Lags to move time (AntiLags)
        for exmaple
        GetPlayer()->ModifyLastMoveTime(-int32(time_skipped));
    */
}

void WorldSession::HandleFeatherFallAck(WorldPacket &recv_data)
{
    DEBUG_LOG("WORLD: CMSG_MOVE_FEATHER_FALL_ACK");

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

void WorldSession::HandleMoveUnRootAck(WorldPacket& recv_data)
{
    // no used
    recv_data.rpos(recv_data.wpos());                       // prevent warnings spam
/*
    uint64 guid;
    recv_data >> guid;

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

    sLog.outDebug("WORLD: CMSG_FORCE_MOVE_UNROOT_ACK");

    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.rpos(recv_data.wpos());                       // prevent warnings spam
/*
    uint64 guid;
    recv_data >> guid;

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

    sLog.outDebug("WORLD: CMSG_FORCE_MOVE_ROOT_ACK");

    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)
            sLog.outError("WorldSession::HandleSetActionBarToggles in not logged state with value: %u, ignored",uint32(ActionBar));
        return;
    }

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

void WorldSession::HandleWardenDataOpcode(WorldPacket& recv_data)
{
    recv_data.read_skip<uint8>();
    /*
        uint8 tmp;
        recv_data >> tmp;
        sLog.outDebug("Received opcode CMSG_WARDEN_DATA, not resolve.uint8 = %u",tmp);
    */
}

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)
{
    uint64 guid;
    recv_data >> guid;
    DEBUG_LOG("Inspected guid is " UI64FMTD, guid);

    _player->SetSelection(guid);

    Player *plr = objmgr.GetPlayer(guid);
    if (!plr)                                                // wrong player
        return;

    uint32 talent_points = 0x47;
    uint32 guid_size = plr->GetPackGUID().wpos();
    WorldPacket data(SMSG_INSPECT_TALENT, guid_size+4+talent_points);
    data.append(plr->GetPackGUID());

    if (sWorld.getConfig(CONFIG_TALENTS_INSPECTING) || _player->isGameMaster())
    {
        plr->BuildPlayerTalentsInfoData(&data);
    }
    else
    {
        data << uint32(0);                                  // unspentTalentPoints
        data << uint8(0);                                   // talentGroupCount
        data << uint8(0);                                   // talentGroupIndex
    }

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

void WorldSession::HandleInspectHonorStatsOpcode(WorldPacket& recv_data)
{
    uint64 guid;
    recv_data >> guid;

    Player *player = objmgr.GetPlayer(guid);

    if (!player)
    {
        sLog.outError("InspectHonorStats: WTF, player not found...");
        return;
    }

    WorldPacket data(MSG_INSPECT_HONOR_STATS, 8+1+4*4);
    data << uint64(player->GetGUID());
    data << uint8(player->GetUInt32Value(PLAYER_FIELD_HONOR_CURRENCY));
    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)
{
    // write in client console: worldport 469 452 6454 2536 180 or /console worldport 469 452 6454 2536 180
    // Received opcode CMSG_WORLD_TELEPORT
    // Time is ***, map=469, x=452.000000, y=6454.000000, z=2536.000000, orient=3.141593

    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)

    //sLog.outDebug("Received opcode CMSG_WORLD_TELEPORT");
    if (GetPlayer()->isInFlight())
    {
        sLog.outDebug("Player '%s' (GUID: %u) in flight, ignore worldport command.",GetPlayer()->GetName(),GetPlayer()->GetGUIDLow());
        return;
    }

    DEBUG_LOG("Time %u sec, map=%u, x=%f, y=%f, z=%f, orient=%f", time/1000, mapid, PositionX, PositionY, PositionZ, Orientation);

    if (GetSecurity() >= SEC_ADMINISTRATOR)
        GetPlayer()->TeleportTo(mapid,PositionX,PositionY,PositionZ,Orientation);
    else
        SendNotification(LANG_YOU_NOT_HAVE_PERMISSION);
    sLog.outDebug("Received worldport command from player %s", GetPlayer()->GetName());
}

void WorldSession::HandleWhoisOpcode(WorldPacket& recv_data)
{
    sLog.outDebug("Received opcode CMSG_WHOIS");
    std::string charname;
    recv_data >> charname;

    if (GetSecurity() < SEC_ADMINISTRATOR)
    {
        SendNotification(LANG_YOU_NOT_HAVE_PERMISSION);
        return;
    }

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

    Player *plr = objmgr.GetPlayer(charname.c_str());

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

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

    QueryResult_AutoPtr result = loginDatabase.PQuery("SELECT username,email,last_ip FROM account WHERE id=%u", accid);
    if (!result)
    {
        SendNotification(LANG_ACCOUNT_FOR_PLAYER_NOT_FOUND, charname.c_str());
        return;
    }

    Field *fields = result->Fetch();
    std::string acc = fields[0].GetCppString();
    if (acc.empty())
        acc = "Unknown";
    std::string email = fields[1].GetCppString();
    if (email.empty())
        email = "Unknown";
    std::string lastip = fields[2].GetCppString();
    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;
    _player->GetSession()->SendPacket(&data);

    sLog.outDebug("Received whois command from player %s for character %s", GetPlayer()->GetName(), charname.c_str());
}

void WorldSession::HandleComplainOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: CMSG_COMPLAIN");
    recv_data.hexlike();

    uint8 spam_type;                                        // 0 - mail, 1 - chat
    uint64 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);

    sLog.outDebug("REPORT SPAM: type %u, guid %u, unk1 %u, unk2 %u, unk3 %u, unk4 %u, message %s", spam_type, GUID_LOPART(spammer_guid), unk1, unk2, unk3, unk4, description.c_str());
}

void WorldSession::HandleRealmSplitOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("CMSG_REALM_SPLIT");

    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);
    //sLog.outDebug("response sent %u", unk);
}

void WorldSession::HandleFarSightOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("WORLD: CMSG_FAR_SIGHT");
    //recv_data.hexlike();

    uint8 apply;
    recv_data >> apply;

    switch(apply)
    {
        case 0:
            sLog.outDebug("Player %u set vision to self", _player->GetGUIDLow());
            _player->SetSeer(_player);
            break;
        case 1:
            sLog.outDebug("Added FarSight " I64FMT " to player %u", _player->GetUInt64Value(PLAYER_FARSIGHT), _player->GetGUIDLow());
            if (WorldObject *target = _player->GetViewpoint())
                _player->SetSeer(target);
            else
                sLog.outError("Player %s requests non-existing seer", _player->GetName());
            break;
        default:
            sLog.outDebug("Unhandled mode in CMSG_FAR_SIGHT: %u", apply);
            return;
    }

    GetPlayer()->UpdateVisibilityForPlayer();
}

void WorldSession::HandleSetTitleOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("CMSG_SET_TITLE");

    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::HandleTimeSyncResp(WorldPacket & recv_data)
{
    sLog.outDebug("CMSG_TIME_SYNC_RESP");

    uint32 counter, clientTicks;
    recv_data >> counter >> clientTicks;

    if (counter != _player->m_timeSyncCounter - 1)
        sLog.outDebug("Wrong time sync counter from player %s (cheater?)", _player->GetName());

    sLog.outDebug("Time sync received: counter %u, client ticks %u, time since last sync %u", counter, clientTicks, clientTicks - _player->m_timeSyncClient);

    uint32 ourTicks = clientTicks + (getMSTime() - _player->m_timeSyncServer);

    // diff should be small
    sLog.outDebug("Our ticks: %u, diff %u, latency %u", ourTicks, ourTicks - clientTicks, GetLatency());

    _player->m_timeSyncClient = clientTicks;
}

void WorldSession::HandleResetInstancesOpcode(WorldPacket & /*recv_data*/)
{
    sLog.outDebug("WORLD: CMSG_RESET_INSTANCES");
    Group *pGroup = _player->GetGroup();
    if (pGroup)
    {
        if (pGroup->IsLeader(_player->GetGUID()))
        {
            pGroup->ResetInstances(INSTANCE_RESET_ALL, false, _player);
            pGroup->ResetInstances(INSTANCE_RESET_ALL, true,_player);
        }
    }
    else
    {
        _player->ResetInstances(INSTANCE_RESET_ALL, false);
        _player->ResetInstances(INSTANCE_RESET_ALL, true);
    }
}

void WorldSession::HandleSetDungeonDifficultyOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("MSG_SET_DUNGEON_DIFFICULTY");

    uint32 mode;
    recv_data >> mode;

    if (mode >= MAX_DUNGEON_DIFFICULTY)
    {
        sLog.outError("WorldSession::HandleSetDungeonDifficultyOpcode: player %d sent an invalid instance mode %d!", _player->GetGUIDLow(), mode);
        return;
    }

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

    // cannot reset while in an instance
    Map *map = _player->GetMap();
    if (map && map->IsDungeon())
    {
        sLog.outError("WorldSession::HandleSetDungeonDifficultyOpcode: player %d tried to reset the instance while inside!", _player->GetGUIDLow());
        return;
    }

    if (_player->getLevel() < LEVELREQUIREMENT_HEROIC)
        return;

    Group *pGroup = _player->GetGroup();
    if (pGroup)
    {
        if (pGroup->IsLeader(_player->GetGUID()))
        {
            for (GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
            {
                Player* pGroupGuy = itr->getSource();
                if (!pGroupGuy)
                    continue;

                if (!pGroupGuy->IsInMap(pGroupGuy))
                    return;

                map = pGroupGuy->GetMap();
                if (map && map->IsRaidOrHeroicDungeon())
                {
                    sLog.outError("WorldSession::HandleSetDungeonDifficultyOpcode: player %d tried to reset the instance while inside!", _player->GetGUIDLow());
                    return;
                }
            }
            // the difficulty is set even if the instances can't be reset
            //_player->SendDungeonDifficulty(true);
            pGroup->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, false, _player);
            pGroup->SetDungeonDifficulty(Difficulty(mode));
        }
    }
    else
    {
        _player->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, false);
        _player->SetDungeonDifficulty(Difficulty(mode));
    }
}

void WorldSession::HandleSetRaidDifficultyOpcode(WorldPacket & recv_data)
{
    sLog.outDebug("MSG_SET_RAID_DIFFICULTY");

    uint32 mode;
    recv_data >> mode;

    if (mode >= MAX_RAID_DIFFICULTY)
    {
        sLog.outError("WorldSession::HandleSetRaidDifficultyOpcode: player %d sent an invalid instance mode %d!", _player->GetGUIDLow(), mode);
        return;
    }

    // cannot reset while in an instance
    Map *map = _player->GetMap();
    if (map && map->IsDungeon())
    {
        sLog.outError("WorldSession::HandleSetRaidDifficultyOpcode: player %d tried to reset the instance while inside!", _player->GetGUIDLow());
        return;
    }

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

    if (_player->getLevel() < LEVELREQUIREMENT_HEROIC)
        return;

    Group *pGroup = _player->GetGroup();
    if (pGroup)
    {
        if (pGroup->IsLeader(_player->GetGUID()))
        {
            for (GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
            {
                Player* pGroupGuy = itr->getSource();
                if (!pGroupGuy)
                    continue;

                if (!pGroupGuy->IsInMap(pGroupGuy))
                    return;

                map = pGroupGuy->GetMap();
                if (map && map->IsRaidOrHeroicDungeon())
                {
                    sLog.outError("WorldSession::HandleSetDungeonDifficultyOpcode: player %d tried to reset the instance while inside!", _player->GetGUIDLow());
                    return;
                }
            }
            // the difficulty is set even if the instances can't be reset
            //_player->SendDungeonDifficulty(true);
            pGroup->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, true, _player);
            pGroup->SetRaidDifficulty(Difficulty(mode));
        }
    }
    else
    {
        _player->ResetInstances(INSTANCE_RESET_CHANGE_DIFFICULTY, true);
        _player->SetRaidDifficulty(Difficulty(mode));
     }
}

void WorldSession::HandleCancelMountAuraOpcode(WorldPacket & /*recv_data*/)
{
    sLog.outDebug("WORLD: CMSG_CANCEL_MOUNT_AURA");

    //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->Unmount();
    _player->RemoveAurasByType(SPELL_AURA_MOUNTED);
}

void WorldSession::HandleMoveSetCanFlyAckOpcode(WorldPacket & recv_data)
{
    // fly mode on/off
    sLog.outDebug("WORLD: CMSG_MOVE_SET_CAN_FLY_ACK");
    //recv_data.hexlike();

    uint64 guid;                                            // guid - unused
    if (!recv_data.readPackGUID(guid))
        return;

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

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

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

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

void WorldSession::HandleRequestPetInfoOpcode(WorldPacket & /*recv_data */)
{
    /*
        sLog.outDebug("WORLD: CMSG_REQUEST_PET_INFO");
        recv_data.hexlike();
    */
}

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

    sLog.outDebug("Client used \"/timetest %d\" command", mode);
}

void WorldSession::HandleQueryInspectAchievements(WorldPacket & recv_data)
{
    uint64 guid;
    if (!recv_data.readPackGUID(guid))
        return;

    Player *player = objmgr.GetPlayer(guid);
    if (!player)
        return;

    player->GetAchievementMgr().SendRespondInspectAchievements(_player);
}

void WorldSession::HandleWorldStateUITimerUpdate(WorldPacket& /*recv_data*/)
{
    // empty opcode
    sLog.outDebug("WORLD: CMSG_WORLD_STATE_UI_TIMER_UPDATE");

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

void WorldSession::HandleReadyForAccountDataTimes(WorldPacket& /*recv_data*/)
{
    // empty opcode
    sLog.outDebug("WORLD: CMSG_READY_FOR_ACCOUNT_DATA_TIMES");

    SendAccountDataTimes(GLOBAL_CACHE_MASK);
}

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