/*
Copyright (c) 2019 Intel Corporation

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#pragma once

#include <systemd/sd-id128.h>

#include <array>
#include <string>

namespace redfish
{

namespace systemd_utils
{

/**
 * @brief Retrieve service root UUID
 *
 * @return Service root UUID
 */

inline std::string getUuid()
{
    std::string ret;
    // This ID needs to match the one in ipmid
    sd_id128_t appId{{0Xe0, 0Xe1, 0X73, 0X76, 0X64, 0X61, 0X47, 0Xda, 0Xa5,
                      0X0c, 0Xd0, 0Xcc, 0X64, 0X12, 0X45, 0X78}};
    sd_id128_t machineId{};

    if (sd_id128_get_machine_app_specific(appId, &machineId) == 0)
    {
        std::array<char, SD_ID128_STRING_MAX> str{};
        ret = sd_id128_to_string(machineId, str.data());
        ret.insert(8, 1, '-');
        ret.insert(13, 1, '-');
        ret.insert(18, 1, '-');
        ret.insert(23, 1, '-');
    }

    return ret;
}

} // namespace systemd_utils
} // namespace redfish