/*
 * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "Common.h"
#include "DatabaseEnv.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "World.h"
#include "ObjectMgr.h"
#include "ArenaTeamMgr.h"
#include "GuildMgr.h"
#include "AuctionHouseMgr.h"
#include "AccountMgr.h"
#include "PlayerDump.h"
#include "SpellMgr.h"
#include "Player.h"
#include "Opcodes.h"
#include "GameObject.h"
#include "Chat.h"
#include "Log.h"
#include "Guild.h"
#include "ObjectAccessor.h"
#include "MapManager.h"
#include "Language.h"
#include "GridNotifiersImpl.h"
#include "CellImpl.h"
#include "Weather.h"
#include "PointMovementGenerator.h"
#include "TargetedMovementGenerator.h"
#include "SkillDiscovery.h"
#include "SkillExtraItems.h"
#include "SystemConfig.h"
#include "Config.h"
#include "Util.h"
#include "ItemEnchantmentMgr.h"
#include "BattlegroundMgr.h"
#include "InstanceSaveMgr.h"
#include "InstanceScript.h"
#include "CreatureEventAIMgr.h"
#include "SpellAuraEffects.h"
#include "DBCEnums.h"
#include "ConditionMgr.h"
#include "DisableMgr.h"
#include "Transport.h"
#include "WeatherMgr.h"
#include "ScriptMgr.h"
#include "CreatureTextMgr.h"
#include "SmartAI.h"
#include "Group.h"
#include "ChannelMgr.h"

bool ChatHandler::HandlePDumpLoadCommand(const char *args)
{
    if (!*args)
        return false;

    char * file = strtok((char*)args, " ");
    if (!file)
        return false;

    char * account = strtok(NULL, " ");
    if (!account)
        return false;

    std::string account_name = account;
    if (!AccountMgr::normalizeString(account_name))
    {
        PSendSysMessage(LANG_ACCOUNT_NOT_EXIST, account_name.c_str());
        SetSentErrorMessage(true);
        return false;
    }

    uint32 account_id = AccountMgr::GetId(account_name);
    if (!account_id)
    {
        account_id = atoi(account);                             // use original string
        if (!account_id)
        {
            PSendSysMessage(LANG_ACCOUNT_NOT_EXIST, account_name.c_str());
            SetSentErrorMessage(true);
            return false;
        }
    }

    if (!AccountMgr::GetName(account_id, account_name))
    {
        PSendSysMessage(LANG_ACCOUNT_NOT_EXIST, account_name.c_str());
        SetSentErrorMessage(true);
        return false;
    }

    char* guid_str = NULL;
    char* name_str = strtok(NULL, " ");

    std::string name;
    if (name_str)
    {
        name = name_str;
        // normalize the name if specified and check if it exists
        if (!normalizePlayerName(name))
        {
            PSendSysMessage(LANG_INVALID_CHARACTER_NAME);
            SetSentErrorMessage(true);
            return false;
        }

        if (ObjectMgr::CheckPlayerName(name, true) != CHAR_NAME_SUCCESS)
        {
            PSendSysMessage(LANG_INVALID_CHARACTER_NAME);
            SetSentErrorMessage(true);
            return false;
        }

        guid_str = strtok(NULL, " ");
    }

    uint32 guid = 0;

    if (guid_str)
    {
        guid = atoi(guid_str);
        if (!guid)
        {
            PSendSysMessage(LANG_INVALID_CHARACTER_GUID);
            SetSentErrorMessage(true);
            return false;
        }

        if (sObjectMgr->GetPlayerAccountIdByGUID(guid))
        {
            PSendSysMessage(LANG_CHARACTER_GUID_IN_USE, guid);
            SetSentErrorMessage(true);
            return false;
        }
    }

    switch (PlayerDumpReader().LoadDump(file, account_id, name, guid))
    {
        case DUMP_SUCCESS:
            PSendSysMessage(LANG_COMMAND_IMPORT_SUCCESS);
            break;
        case DUMP_FILE_OPEN_ERROR:
            PSendSysMessage(LANG_FILE_OPEN_FAIL, file);
            SetSentErrorMessage(true);
            return false;
        case DUMP_FILE_BROKEN:
            PSendSysMessage(LANG_DUMP_BROKEN, file);
            SetSentErrorMessage(true);
            return false;
        case DUMP_TOO_MANY_CHARS:
            PSendSysMessage(LANG_ACCOUNT_CHARACTER_LIST_FULL, account_name.c_str(), account_id);
            SetSentErrorMessage(true);
            return false;
        default:
            PSendSysMessage(LANG_COMMAND_IMPORT_FAILED);
            SetSentErrorMessage(true);
            return false;
    }

    return true;
}

bool ChatHandler::HandlePDumpWriteCommand(const char *args)
{
    if (!*args)
        return false;

    char* file = strtok((char*)args, " ");
    char* p2 = strtok(NULL, " ");

    if (!file || !p2)
        return false;

    uint64 guid;
    // character name can't start from number
    if (isNumeric(p2))
        guid = MAKE_NEW_GUID(atoi(p2), 0, HIGHGUID_PLAYER);
    else
    {
        std::string name = extractPlayerNameFromLink(p2);
        if (name.empty())
        {
            SendSysMessage(LANG_PLAYER_NOT_FOUND);
            SetSentErrorMessage(true);
            return false;
        }

        guid = sObjectMgr->GetPlayerGUIDByName(name);
    }

    if (!sObjectMgr->GetPlayerAccountIdByGUID(guid))
    {
        PSendSysMessage(LANG_PLAYER_NOT_FOUND);
        SetSentErrorMessage(true);
        return false;
    }

    switch (PlayerDumpWriter().WriteDump(file, uint32(guid)))
    {
        case DUMP_SUCCESS:
            PSendSysMessage(LANG_COMMAND_EXPORT_SUCCESS);
            break;
        case DUMP_FILE_OPEN_ERROR:
            PSendSysMessage(LANG_FILE_OPEN_FAIL, file);
            SetSentErrorMessage(true);
            return false;
        case DUMP_CHARACTER_DELETED:
            PSendSysMessage(LANG_COMMAND_EXPORT_DELETED_CHAR);
            SetSentErrorMessage(true);
            return false;
        default:
            PSendSysMessage(LANG_COMMAND_EXPORT_FAILED);
            SetSentErrorMessage(true);
            return false;
    }

    return true;
}

bool ChatHandler::HandlePlayAllCommand(const char *args)
{
    if (!*args)
        return false;

    uint32 soundId = atoi((char*)args);

    if (!sSoundEntriesStore.LookupEntry(soundId))
    {
        PSendSysMessage(LANG_SOUND_NOT_EXIST, soundId);
        SetSentErrorMessage(true);
        return false;
    }

    WorldPacket data(SMSG_PLAY_SOUND, 4);
    data << uint32(soundId) << m_session->GetPlayer()->GetGUID();
    sWorld->SendGlobalMessage(&data);

    PSendSysMessage(LANG_COMMAND_PLAYED_TO_ALL, soundId);
    return true;
}

bool ChatHandler::HandleGroupLeaderCommand(const char *args)
{
    Player* player  = NULL;
    Group* group = NULL;
    uint64 guid  = 0;
    char* cname  = strtok((char*)args, " ");

    if (GetPlayerGroupAndGUIDByName(cname, player, group, guid))
        if (group && group->GetLeaderGUID() != guid)
        {
            group->ChangeLeader(guid);
            group->SendUpdate();
        }

    return true;
}

bool ChatHandler::HandleGroupDisbandCommand(const char *args)
{
    Player* player  = NULL;
    Group* group = NULL;
    uint64 guid  = 0;
    char* cname  = strtok((char*)args, " ");

    if (GetPlayerGroupAndGUIDByName(cname, player, group, guid))
        if (group)
            group->Disband();

    return true;
}

bool ChatHandler::HandleGroupRemoveCommand(const char *args)
{
    Player* player  = NULL;
    Group* group = NULL;
    uint64 guid  = 0;
    char* cname  = strtok((char*)args, " ");

    if (GetPlayerGroupAndGUIDByName(cname, player, group, guid, true))
        if (group)
            group->RemoveMember(guid);

    return true;
}

bool ChatHandler::HandlePossessCommand(const char * /*args*/)
{
    Unit* unit = getSelectedUnit();
    if (!unit)
        return false;

    m_session->GetPlayer()->CastSpell(unit, 530, true);
    return true;
}

bool ChatHandler::HandleUnPossessCommand(const char * /*args*/)
{
    Unit* unit = getSelectedUnit();
    if (!unit)
        unit = m_session->GetPlayer();

    unit->RemoveCharmAuras();

    return true;
}

bool ChatHandler::HandleBindSightCommand(const char * /*args*/)
{
    Unit* unit = getSelectedUnit();
    if (!unit)
        return false;

    m_session->GetPlayer()->CastSpell(unit, 6277, true);
    return true;
}

bool ChatHandler::HandleUnbindSightCommand(const char * /*args*/)
{
    Player* player = m_session->GetPlayer();

    if (player->isPossessing())
        return false;

    player->StopCastingBindSight();
    return true;
}