/********************************************************************************
 *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
 *                                                                              *
 *              This software is distributed under the terms of the             * 
 *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *  
 *                  copied verbatim in the file "LICENSE"                       *
 ********************************************************************************/
/**
 * FairMQLogger.cxx
 *
 * @since 2012-12-04
 * @author D. Klein, A. Rybalchenko
 */

#include "FairMQLogger.h"


int FairMQLogger::fMinLogLevel = FairMQLogger::DEBUG;

FairMQLogger::FairMQLogger()
    : os()
    , fLogLevel(DEBUG)
{
}

FairMQLogger::~FairMQLogger()
{
    if (fLogLevel >= FairMQLogger::fMinLogLevel && fLogLevel < FairMQLogger::NOLOG)
    {
        std::cout << os.str() << std::endl;
    }
}

std::ostringstream& FairMQLogger::Log(int type)
{
    std::string type_str;
    fLogLevel = type;
    switch (type)
    {
        case DEBUG :
            type_str = "\033[01;34mDEBUG\033[0m";
            break;
            
        case INFO :
            type_str = "\033[01;32mINFO\033[0m";
            break;
                        
        case WARN :
            type_str = "\033[01;33mWARN\033[0m";
            break;
            
        case ERROR :
            type_str = "\033[01;31mERROR\033[0m";
            break;    
            
        case STATE :
            type_str = "\033[01;35mSTATE\033[0m";
            break;
            
        case NOLOG :
            type_str = "\033[01;31mNOLOG\033[0m";
            break;
            
        default:
            break;
    }

    timestamp_t tm = get_timestamp();
    timestamp_t ms = tm / 1000.0L;
    timestamp_t s = ms / 1000.0L;
    time_t t = s;
    // size_t fractional_seconds = ms % 1000;
    char mbstr[100];
    strftime(mbstr, 100, "%H:%M:%S", localtime(&t));

    os << "[\033[01;36m" << mbstr << "\033[0m]"
       << "[" << type_str << "]"
       << " ";

    return os;
}

timestamp_t get_timestamp()
{
    struct timeval now;
    gettimeofday(&now, NULL);
    return now.tv_usec + (timestamp_t)now.tv_sec * 1000000;
}