// Copyright (c) 2023, 2024, Oracle and/or its affiliates.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License, version 2.0, for more details.
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#ifndef MYSQL_GTID_TSID_PLAIN_H
#define MYSQL_GTID_TSID_PLAIN_H

#include "mysql/gtid/tag_plain.h"
#include "mysql/gtid/tsid.h"
#include "mysql/gtid/uuid.h"

/// @addtogroup GroupLibsMysqlGtid
/// @{

namespace mysql::gtid {

class Tsid;

/// @brief TSID representation so that:
/// - Tsid_plain is trivial
/// - Tsid_plain is a standard layout type
struct Tsid_plain {
  /// @brief Default ctor
  Tsid_plain() = default;
  /// @brief Construct from tsid object
  /// @param tsid tsid to copy
  explicit Tsid_plain(const Tsid &tsid);

  /// @brief Clear this TSID
  void clear();

  /// @brief Copies internal tsid into a given buffer
  /// @param[out] out Buffer, needs to be pre-allocated
  /// @return Number of bytes written into the buffer
  std::size_t to_string(char *out) const;

  friend class Tsid;

 private:
  Uuid m_uuid;      ///< GTID UUID
  Tag_plain m_tag;  ///< GTID Tag
};

static_assert(std::is_trivial_v<Uuid>);
static_assert(std::is_standard_layout_v<Uuid>);

}  // namespace mysql::gtid

/// @}

#endif  // MYSQL_GTID_TSID_PLAIN_H