/*
 * Copyright (C) 2008-2010 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 "ScriptPCH.h"
#include "ScriptSystem.h"
#include "ProgressBar.h"
#include "ObjectMgr.h"
#include "DatabaseEnv.h"

SystemMgr::SystemMgr()
{
}

SystemMgr& SystemMgr::Instance()
{
    static SystemMgr pSysMgr;
    return pSysMgr;
}

void SystemMgr::LoadVersion()
{
    //Get Version information
    QueryResult Result = WorldDatabase.Query("SELECT script_version FROM version LIMIT 1");

    if (Result)
    {
        Field* pFields = Result->Fetch();

        sLog.outString("TSCR: Database version is: %s", pFields[0].GetCString());
        sLog.outString();
    }
    else
    {
        sLog.outError("TSCR: Missing `version`.`script_version` information.");
        sLog.outString();
    }
}

void SystemMgr::LoadScriptTexts()
{
    sLog.outString("TSCR: Loading Script Texts...");
    LoadTrinityStrings("script_texts",TEXT_SOURCE_RANGE,1+(TEXT_SOURCE_RANGE*2));
    
    sLog.outString("TSCR: Loading Script Texts additional data...");
    uint32 oldMSTime = getMSTime();

    QueryResult result = WorldDatabase.Query("SELECT entry, sound, type, language, emote FROM script_texts");

    if (!result)
    {
        barGoLink bar(1);
        bar.step();
        sLog.outString(">> Loaded 0 additional Script Texts data. DB table `script_texts` is empty.");
        sLog.outString();
        return;
    }

    barGoLink bar(result->GetRowCount());
    uint32 uiCount = 0;

    do
    {
        bar.step();
        Field* pFields = result->Fetch();
        StringTextData pTemp;

        int32 iId           = pFields[0].GetInt32();
        pTemp.uiSoundId     = pFields[1].GetUInt32();
        pTemp.uiType        = pFields[2].GetUInt32();
        pTemp.uiLanguage    = pFields[3].GetUInt32();
        pTemp.uiEmote       = pFields[4].GetUInt32();

        if (iId >= 0)
        {
            sLog.outErrorDb("TSCR: Entry %i in table `script_texts` is not a negative value.", iId);
            continue;
        }

        if (iId > TEXT_SOURCE_RANGE || iId <= TEXT_SOURCE_RANGE*2)
        {
            sLog.outErrorDb("TSCR: Entry %i in table `script_texts` is out of accepted entry range for table.", iId);
            continue;
        }

        if (pTemp.uiSoundId)
        {
            if (!GetSoundEntriesStore()->LookupEntry(pTemp.uiSoundId))
                sLog.outErrorDb("TSCR: Entry %i in table `script_texts` has soundId %u but sound does not exist.", iId, pTemp.uiSoundId);
        }

        if (!GetLanguageDescByID(pTemp.uiLanguage))
            sLog.outErrorDb("TSCR: Entry %i in table `script_texts` using Language %u but Language does not exist.", iId, pTemp.uiLanguage);

        if (pTemp.uiType > CHAT_TYPE_ZONE_YELL)
            sLog.outErrorDb("TSCR: Entry %i in table `script_texts` has Type %u but this Chat Type does not exist.", iId, pTemp.uiType);

        m_mTextDataMap[iId] = pTemp;
        ++uiCount;
    } while (result->NextRow());

    sLog.outString(">> Loaded %u additional Script Texts data in %u ms", uiCount, GetMSTimeDiffToNow(oldMSTime));
    sLog.outString();
}

void SystemMgr::LoadScriptTextsCustom()
{
    sLog.outString("TSCR: Loading Custom Texts...");
    LoadTrinityStrings("custom_texts",TEXT_SOURCE_RANGE*2,1+(TEXT_SOURCE_RANGE*3));

    sLog.outString("TSCR: Loading Custom Texts additional data...");

    QueryResult result = WorldDatabase.Query("SELECT entry, sound, type, language, emote FROM custom_texts");

    if (!result)
    {
        barGoLink bar(1);
        bar.step();
        sLog.outString(">> Loaded 0 additional Custom Texts data. DB table `custom_texts` is empty.");
        sLog.outString();
        return;
    }

    barGoLink bar(result->GetRowCount());
    uint32 uiCount = 0;

    do
    {
        bar.step();
        Field* pFields = result->Fetch();
        StringTextData pTemp;

        int32 iId              = pFields[0].GetInt32();
        pTemp.uiSoundId        = pFields[1].GetUInt32();
        pTemp.uiType           = pFields[2].GetUInt32();
        pTemp.uiLanguage       = pFields[3].GetUInt32();
        pTemp.uiEmote          = pFields[4].GetUInt32();

        if (iId >= 0)
        {
            sLog.outErrorDb("TSCR: Entry %i in table `custom_texts` is not a negative value.", iId);
            continue;
        }

        if (iId > TEXT_SOURCE_RANGE*2 || iId <= TEXT_SOURCE_RANGE*3)
        {
            sLog.outErrorDb("TSCR: Entry %i in table `custom_texts` is out of accepted entry range for table.", iId);
            continue;
        }

        if (pTemp.uiSoundId)
        {
            if (!GetSoundEntriesStore()->LookupEntry(pTemp.uiSoundId))
                sLog.outErrorDb("TSCR: Entry %i in table `custom_texts` has soundId %u but sound does not exist.", iId, pTemp.uiSoundId);
        }

        if (!GetLanguageDescByID(pTemp.uiLanguage))
            sLog.outErrorDb("TSCR: Entry %i in table `custom_texts` using Language %u but Language does not exist.", iId, pTemp.uiLanguage);

        if (pTemp.uiType > CHAT_TYPE_ZONE_YELL)
            sLog.outErrorDb("TSCR: Entry %i in table `custom_texts` has Type %u but this Chat Type does not exist.", iId, pTemp.uiType);

        m_mTextDataMap[iId] = pTemp;
        ++uiCount;
    } while (result->NextRow());

    sLog.outString(">> Loaded %u additional Custom Texts data.", uiCount);
    sLog.outString();
}

void SystemMgr::LoadScriptWaypoints()
{
    uint32 oldMSTime = getMSTime();

    // Drop Existing Waypoint list
    m_mPointMoveMap.clear();

    uint64 uiCreatureCount = 0;

    // Load Waypoints
    QueryResult result = WorldDatabase.Query("SELECT COUNT(entry) FROM script_waypoint GROUP BY entry");
    if (result)
        uiCreatureCount = result->GetRowCount();

    sLog.outString("TSCR: Loading Script Waypoints for " UI64FMTD " creature(s)...", uiCreatureCount);

    result = WorldDatabase.Query("SELECT entry, pointid, location_x, location_y, location_z, waittime FROM script_waypoint ORDER BY pointid");

    if (!result)
    {
        barGoLink bar(1);
        bar.step();
        sLog.outString(">> Loaded 0 Script Waypoints. DB table `script_waypoint` is empty.");
        sLog.outString();
        return;
    }

    barGoLink bar(result->GetRowCount());
    uint32 count = 0;

    do
    {
        bar.step();
        Field* pFields = result->Fetch();
        ScriptPointMove pTemp;

        pTemp.uiCreatureEntry   = pFields[0].GetUInt32();
        uint32 uiEntry          = pTemp.uiCreatureEntry;
        pTemp.uiPointId         = pFields[1].GetUInt32();
        pTemp.fX                = pFields[2].GetFloat();
        pTemp.fY                = pFields[3].GetFloat();
        pTemp.fZ                = pFields[4].GetFloat();
        pTemp.uiWaitTime        = pFields[5].GetUInt32();

        CreatureInfo const* pCInfo = GetCreatureTemplateStore(pTemp.uiCreatureEntry);

        if (!pCInfo)
        {
            sLog.outErrorDb("TSCR: DB table script_waypoint has waypoint for non-existant creature entry %u", pTemp.uiCreatureEntry);
            continue;
        }

        if (!pCInfo->ScriptID)
            sLog.outErrorDb("TSCR: DB table script_waypoint has waypoint for creature entry %u, but creature does not have ScriptName defined and then useless.", pTemp.uiCreatureEntry);

        m_mPointMoveMap[uiEntry].push_back(pTemp);
        ++count;
    } while (result->NextRow());

    sLog.outString(">> Loaded %u Script Waypoint nodes in %u ms", count, GetMSTimeDiffToNow(oldMSTime));
    sLog.outString();
}