// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019 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/datetime/datetime.h>
#include <mobius/datetime/timedelta.h>

namespace mobius
{
namespace datetime
{
static constexpr datetime EPOCH_NT_DATETIME (1601, 1, 1, 0, 0, 0);

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Convert NT timestamp to datetime
//! \param timestamp NT timestamp (64 bits)
//! \return datetime
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
datetime
new_datetime_from_nt_timestamp (std::uint64_t timestamp)
{
  datetime dt;

  if (timestamp)
    {
      timedelta delta;
      delta.set_seconds (timestamp / 10000000);
      delta.set_nanoseconds ((timestamp % 10000000) * 100);
      dt = EPOCH_NT_DATETIME + delta;
    }

  return dt;
}

} // namespace datetime
} // namespace mobius
