/*
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * Copyright (C) 2008-2009 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
 */

/** \file
    \ingroup u2w
*/

#include "WorldLog.h"
#include "Policies/SingletonImp.h"
#include "Config/ConfigEnv.h"
#include "Log.h"

#define CLASS_LOCK Trinity::ClassLevelLockable<WorldLog, ZThread::FastMutex>
INSTANTIATE_SINGLETON_2(WorldLog, CLASS_LOCK);
INSTANTIATE_CLASS_MUTEX(WorldLog, ZThread::FastMutex);

#define WORLD_LOG_FILE_STRING   "world.log"

WorldLog::WorldLog() : i_file(NULL)
{
    Initialize();
}

WorldLog::~WorldLog()
{
    if( i_file != NULL )
        fclose(i_file);
    i_file = NULL;
}

/// Open the log file (if specified so in the configuration file)
void WorldLog::Initialize()
{
    std::string logsDir = sConfig.GetStringDefault("LogsDir","");

    if(!logsDir.empty())
    {
        if((logsDir.at(logsDir.length()-1)!='/') && (logsDir.at(logsDir.length()-1)!='\\'))
            logsDir.append("/");
    }

    std::string logname = sConfig.GetStringDefault("WorldLogFile", "");
    if(!logname.empty())
    {
        i_file = fopen((logsDir+logname).c_str(), "w");
    }

    m_dbWorld = sConfig.GetBoolDefault("LogDB.World", false); // can be VERY heavy if enabled
}

void WorldLog::outLog(char const *fmt, ...)
{
    if( LogWorld() )
    {
        Guard guard(*this);
        ASSERT(i_file);

        va_list args;
        va_start(args, fmt);
        vfprintf(i_file, fmt, args);
        fprintf(i_file, "\n" );
        va_end(args);

        fflush(i_file);
    }

    if (sLog.GetLogDB() && m_dbWorld)
    {
        va_list ap2;
        va_start(ap2, fmt);
        char nnew_str[MAX_QUERY_LEN];
        vsnprintf(nnew_str, MAX_QUERY_LEN, fmt, ap2);
        sLog.outDB(LOG_TYPE_WORLD, nnew_str);
        va_end(ap2);
    }
}

#define sWorldLog WorldLog::Instance()