/*
 * Copyright (C) 2019 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 "SubsonicId.hpp"

#include "SubsonicResponse.hpp"

#include "utils/Logger.hpp"
#include "utils/String.hpp"

namespace API::Subsonic
{
	std::string
	idToString(Database::ArtistId id)
	{
		return "ar-" + id.toString();
	}

	std::string
	idToString(Database::ReleaseId id)
	{
		return "al-" + id.toString();
	}

	std::string
	idToString(RootId)
	{
		return "root";
	}

	std::string
	idToString(Database::TrackId id)
	{
		return "tr-" + id.toString();
	}

	std::string
	idToString(Database::TrackListId id)
	{
		return "pl-" + id.toString();
	}
} // namespace API::Subsonic

namespace StringUtils
{
	template<>
	std::optional<Database::ArtistId>
	readAs(std::string_view str)
	{
		std::vector<std::string_view> values {StringUtils::splitString(str, "-")};
		if (values.size() != 2)
			return std::nullopt;

		if (values[0] != "ar")
			return std::nullopt;

		if (const auto value {StringUtils::readAs<Database::ArtistId::ValueType>(values[1])})
			return Database::ArtistId {*value};

		return std::nullopt;
	}

	template<>
	std::optional<Database::ReleaseId>
	readAs(std::string_view str)
	{
		std::vector<std::string_view> values {StringUtils::splitString(str, "-")};
		if (values.size() != 2)
			return std::nullopt;

		if (values[0] != "al")
			return std::nullopt;

		if (const auto value {StringUtils::readAs<Database::ReleaseId::ValueType>(values[1])})
			return Database::ReleaseId {*value};

		return std::nullopt;
	}

	template<>
	std::optional<API::Subsonic::RootId>
	readAs(std::string_view str)
	{
		if (str == "root")
			return API::Subsonic::RootId {};

		return std::nullopt;
	}

	template<>
	std::optional<Database::TrackId>
	readAs(std::string_view str)
	{
		std::vector<std::string_view> values {StringUtils::splitString(str, "-")};
		if (values.size() != 2)
			return std::nullopt;

		if (values[0] != "tr")
			return std::nullopt;

		if (const auto value {StringUtils::readAs<Database::TrackId::ValueType>(values[1])})
			return Database::TrackId {*value};

		return std::nullopt;
	}

	template<>
	std::optional<Database::TrackListId>
	readAs(std::string_view str)
	{
		std::vector<std::string_view> values {StringUtils::splitString(str, "-")};
		if (values.size() != 2)
			return std::nullopt;

		if (values[0] != "pl")
			return std::nullopt;

		if (const auto value {StringUtils::readAs<Database::TrackListId::ValueType>(values[1])})
			return Database::TrackListId {*value};

		return std::nullopt;
	}

	template<>
	std::optional<bool>
	readAs(std::string_view str)
	{
		if (str == "true")
			return true;
		else if (str == "false")
			return false;

		return {};
	}
}