/*
 * copyright (c) 2021 emeric poupon
 *
 * This file is part of LMS.
 *
 * LMS 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 3 of the License, or
 * (at your option) any later version.
 *
 * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "ProtocolVersion.hpp"

namespace StringUtils
{
	template<>
	std::optional<API::Subsonic::ProtocolVersion>
	readAs(std::string_view str)
	{
		// Expects "X.Y.Z"
		const auto numbers {StringUtils::splitString(str, ".")};
		if (numbers.size() < 2 || numbers.size() > 3)
			return std::nullopt;

		API::Subsonic::ProtocolVersion version;

		auto number {StringUtils::readAs<unsigned>(numbers[0])};
		if (!number)
			return std::nullopt;
		version.major = *number;

		number = {StringUtils::readAs<unsigned>(numbers[1])};
		if (!number)
			return std::nullopt;
		version.minor = *number;

		if (numbers.size() == 3)
		{
			number = {StringUtils::readAs<unsigned>(numbers[2])};
			if (!number)
				return std::nullopt;
			version.patch = *number;
		}

		return version;
	}
}