/* Copyright (C) 2019
 *
 * This file is part of the osdev components suite
 *
 * 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, 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 "commondefs.h"

// std
#include <ctime>
#include <iomanip>

namespace osdev {
namespace components {
namespace mqtt {

std::ostream& operator<<(std::ostream& os, const StdTimeMs& rhs)
{
    const std::time_t rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
    struct tm tms
    {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, nullptr
    };
    if (nullptr == gmtime_r(&rhsTimeT, &tms)) {
        os << "unknown";
    }
    else {
        char str[26] = { 0 };
        if (std::strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S.", &tms) > 0) {
            std::ostringstream oss;
            oss << str << std::setfill('0') << std::setw(3) << std::chrono::duration_cast<std::chrono::milliseconds>(rhs.timePoint - std::chrono::system_clock::from_time_t(rhsTimeT)).count() << ' ';
            if (std::strftime(str, sizeof(str), "%z", &tms) == 0) {
                return os;
            }
            oss << str;
            os << oss.str();
        }
    }
    return os;
}

}       // End namespace mqtt
}       // End namespace components
}       // End namespace osdev

namespace std {

std::ostream& operator<<(std::ostream& os, const osdev::components::mqtt::StdTime& rhs)
{
    /// @todo: Use put_time when it's implemented in gcc (5.0)
    //    auto rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
    //    os << std::put_time(std::localtime(&rhsTimeT), "%F %T");
    const std::time_t rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
    struct tm tms
    {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, nullptr
    };
    if (nullptr == gmtime_r(&rhsTimeT, &tms)) {
        os << "unknown";
    }
    else {
        char str[26];
        if (std::strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %z", &tms) > 0) {
            os << str;
        }
    }
    return os;
}

}       // End namespace std