// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C)
// 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025
// Eduardo Aguiar
//
// 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, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include <mobius/core/datetime/datetime.hpp>
#include <mobius/core/datetime/timedelta.hpp>

namespace mobius::core::datetime
{
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// @brief Convert FAT timestamp to datetime
// @param d date value
// @param t time value
// @return datetime
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
datetime
new_datetime_from_fat_time (std::uint16_t d, std::uint16_t t)
{
    mobius::core::datetime::datetime dt;

    if (d != 0 && d != 0xffff && t != 0 && t != 0xffff)
        dt = mobius::core::datetime::datetime (
            ((d >> 9) & 127) + 1980, (d >> 5) & 15, d & 31, (t >> 11) & 31,
            (t >> 5) & 63, (t & 31) * 2);

    return dt;
}

} // namespace mobius::core::datetime
