/*  This file is part of FediBlock-backend.
 *  Copyright © 2020 tastytea <tastytea@tastytea.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef FEDIBLOCK_BACKEND_TIME_HPP
#define FEDIBLOCK_BACKEND_TIME_HPP

#include <chrono>
#include <string>
#include <string_view>

namespace FediBlock::time
{

using std::string;
using std::string_view;
using std::chrono::system_clock;

/*!
 *  @brief  Return date and time as string.

 *  @param  timepoint The point in time to convert.
 *  @param  format    Format of the string (optional, defaults to %FT%T).
 *
 *  See strftime(3) for information on how to construct a valid format string.
 *
 *  @since  0.2.0
 */
[[nodiscard]] string to_string(const system_clock::time_point &timepoint,
                               string_view format = "%FT%T");

/*!
 *  @brief  Return date and time as string.

 *  @param  timestring The time string to convert. Must be %FT%T.
 *  @param  format     Format of the string (optional, defaults to %FT%T).
 *
 *  See strftime(3) for information on how to construct a valid format string.
 *
 *  @since  0.2.0
 */
[[nodiscard]] string to_string(string_view timestring,
                               string_view format = "%FT%T");

} // namespace FediBlock::time

#endif // FEDIBLOCK_BACKEND_TIME_HPP