/*
 * Copyright (C) 2021 Mannesh P M <manu.pm55@gmaile.com>
 * Copyright (C) 2018 Matthieu Gautier <mgautier@kymeria.fr>
 * Copyright (C) 2009 Tommi Maekitalo
 *
 * 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
 * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
 * NON-INFRINGEMENT.  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 *
 */

#ifndef ZIM_UUID_H
#define ZIM_UUID_H

#include <iosfwd>
#include <algorithm>
#include <cstring>
#include <string>

namespace zim {
struct Uuid
{
  Uuid()
  {
    std::memset( data, 0, 16 );
  }

  Uuid( const char uuid[ 16 ] )
  {
    std::copy( uuid, uuid + 16, data );
  }

  static Uuid generate( std::string value = "" );

  bool operator==( const Uuid & other ) const
  {
    return std::equal( data, data + 16, other.data );
  }
  bool operator!=( const Uuid & other ) const
  {
    return !( *this == other );
  }
  unsigned size() const
  {
    return 16;
  }

  explicit operator std::string() const;

  char data[ 16 ];
};

std::ostream & operator<<( std::ostream & out, const Uuid & uuid );

} // namespace zim

#endif // ZIM_UUID_H