/*
// Copyright (c) 2018 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 "bmcweb_config.h"

#include <app.hpp>
#include <boost/container/flat_map.hpp>
#include <registries/privilege_registry.hpp>
#include <utils/fw_utils.hpp>

#include <variant>

namespace redfish
{

// Match signals added on software path
static std::unique_ptr<sdbusplus::bus::match::match> fwUpdateMatcher;
static std::unique_ptr<sdbusplus::bus::match::match> fwUpdateErrorMatcher;
// Only allow one update at a time
static bool fwUpdateInProgress = false;
// Timer for software available
static std::unique_ptr<boost::asio::steady_timer> fwAvailableTimer;

inline static void cleanUp()
{
    fwUpdateInProgress = false;
    fwUpdateMatcher = nullptr;
    fwUpdateErrorMatcher = nullptr;
}
inline static void activateImage(const std::string& objPath,
                                 const std::string& service)
{
    BMCWEB_LOG_DEBUG << "Activate image for " << objPath << " " << service;
    crow::connections::systemBus->async_method_call(
        [](const boost::system::error_code errorCode) {
            if (errorCode)
            {
                BMCWEB_LOG_DEBUG << "error_code = " << errorCode;
                BMCWEB_LOG_DEBUG << "error msg = " << errorCode.message();
            }
        },
        service, objPath, "org.freedesktop.DBus.Properties", "Set",
        "xyz.openbmc_project.Software.Activation", "RequestedActivation",
        std::variant<std::string>(
            "xyz.openbmc_project.Software.Activation.RequestedActivations."
            "Active"));
}

// Note that asyncResp can be either a valid pointer or nullptr. If nullptr
// then no asyncResp updates will occur
static void
    softwareInterfaceAdded(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
                           sdbusplus::message::message& m,
                           task::Payload&& payload)
{
    std::vector<std::pair<
        std::string,
        std::vector<std::pair<std::string, std::variant<std::string>>>>>
        interfacesProperties;

    sdbusplus::message::object_path objPath;

    m.read(objPath, interfacesProperties);

    BMCWEB_LOG_DEBUG << "obj path = " << objPath.str;
    for (auto& interface : interfacesProperties)
    {
        BMCWEB_LOG_DEBUG << "interface = " << interface.first;

        if (interface.first == "xyz.openbmc_project.Software.Activation")
        {
            // Retrieve service and activate
            crow::connections::systemBus->async_method_call(
                [objPath, asyncResp, payload(std::move(payload))](
                    const boost::system::error_code errorCode,
                    const std::vector<
                        std::pair<std::string, std::vector<std::string>>>&
                        objInfo) mutable {
                    if (errorCode)
                    {
                        BMCWEB_LOG_DEBUG << "error_code = " << errorCode;
                        BMCWEB_LOG_DEBUG << "error msg = "
                                         << errorCode.message();
                        if (asyncResp)
                        {
                            messages::internalError(asyncResp->res);
                        }
                        cleanUp();
                        return;
                    }
                    // Ensure we only got one service back
                    if (objInfo.size() != 1)
                    {
                        BMCWEB_LOG_ERROR << "Invalid Object Size "
                                         << objInfo.size();
                        if (asyncResp)
                        {
                            messages::internalError(asyncResp->res);
                        }
                        cleanUp();
                        return;
                    }
                    // cancel timer only when
                    // xyz.openbmc_project.Software.Activation interface
                    // is added
                    fwAvailableTimer = nullptr;

                    activateImage(objPath.str, objInfo[0].first);
                    if (asyncResp)
                    {
                        std::shared_ptr<task::TaskData> task =
                            task::TaskData::createTask(
                                [](boost::system::error_code ec,
                                   sdbusplus::message::message& msg,
                                   const std::shared_ptr<task::TaskData>&
                                       taskData) {
                                    if (ec)
                                    {
                                        return task::completed;
                                    }

                                    std::string iface;
                                    boost::container::flat_map<
                                        std::string,
                                        std::variant<std::string, uint8_t>>
                                        values;

                                    std::string index =
                                        std::to_string(taskData->index);
                                    msg.read(iface, values);

                                    if (iface == "xyz.openbmc_project.Software."
                                                 "Activation")
                                    {
                                        auto findActivation =
                                            values.find("Activation");
                                        if (findActivation == values.end())
                                        {
                                            return !task::completed;
                                        }
                                        std::string* state =
                                            std::get_if<std::string>(
                                                &(findActivation->second));

                                        if (state == nullptr)
                                        {
                                            taskData->messages.emplace_back(
                                                messages::internalError());
                                            return task::completed;
                                        }

                                        if (boost::ends_with(*state,
                                                             "Invalid") ||
                                            boost::ends_with(*state, "Failed"))
                                        {
                                            taskData->state = "Exception";
                                            taskData->status = "Warning";
                                            taskData->messages.emplace_back(
                                                messages::taskAborted(index));
                                            return task::completed;
                                        }

                                        if (boost::ends_with(*state, "Staged"))
                                        {
                                            taskData->state = "Stopping";
                                            taskData->messages.emplace_back(
                                                messages::taskPaused(index));

                                            // its staged, set a long timer to
                                            // allow them time to complete the
                                            // update (probably cycle the
                                            // system) if this expires then
                                            // task will be cancelled
                                            taskData->extendTimer(
                                                std::chrono::hours(5));
                                            return !task::completed;
                                        }

                                        if (boost::ends_with(*state, "Active"))
                                        {
                                            taskData->messages.emplace_back(
                                                messages::taskCompletedOK(
                                                    index));
                                            taskData->state = "Completed";
                                            return task::completed;
                                        }
                                    }
                                    else if (iface ==
                                             "xyz.openbmc_project.Software."
                                             "ActivationProgress")
                                    {
                                        auto findProgress =
                                            values.find("Progress");
                                        if (findProgress == values.end())
                                        {
                                            return !task::completed;
                                        }
                                        uint8_t* progress =
                                            std::get_if<uint8_t>(
                                                &(findProgress->second));

                                        if (progress == nullptr)
                                        {
                                            taskData->messages.emplace_back(
                                                messages::internalError());
                                            return task::completed;
                                        }
                                        taskData->percentComplete =
                                            static_cast<int>(*progress);
                                        taskData->messages.emplace_back(
                                            messages::taskProgressChanged(
                                                index, static_cast<size_t>(
                                                           *progress)));

                                        // if we're getting status updates it's
                                        // still alive, update timer
                                        taskData->extendTimer(
                                            std::chrono::minutes(5));
                                    }

                                    // as firmware update often results in a
                                    // reboot, the task  may never "complete"
                                    // unless it is an error

                                    return !task::completed;
                                },
                                "type='signal',interface='org.freedesktop.DBus."
                                "Properties',"
                                "member='PropertiesChanged',path='" +
                                    objPath.str + "'");
                        task->startTimer(std::chrono::minutes(5));
                        task->populateResp(asyncResp->res);
                        task->payload.emplace(std::move(payload));
                    }
                    fwUpdateInProgress = false;
                },
                "xyz.openbmc_project.ObjectMapper",
                "/xyz/openbmc_project/object_mapper",
                "xyz.openbmc_project.ObjectMapper", "GetObject", objPath.str,
                std::array<const char*, 1>{
                    "xyz.openbmc_project.Software.Activation"});
        }
    }
}

// Note that asyncResp can be either a valid pointer or nullptr. If nullptr
// then no asyncResp updates will occur
static void monitorForSoftwareAvailable(
    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
    const crow::Request& req, const std::string& url,
    int timeoutTimeSeconds = 10)
{
    // Only allow one FW update at a time
    if (fwUpdateInProgress != false)
    {
        if (asyncResp)
        {
            messages::serviceTemporarilyUnavailable(asyncResp->res, "30");
        }
        return;
    }

    fwAvailableTimer =
        std::make_unique<boost::asio::steady_timer>(*req.ioService);

    fwAvailableTimer->expires_after(std::chrono::seconds(timeoutTimeSeconds));

    fwAvailableTimer->async_wait(
        [asyncResp](const boost::system::error_code& ec) {
            cleanUp();
            if (ec == boost::asio::error::operation_aborted)
            {
                // expected, we were canceled before the timer completed.
                return;
            }
            BMCWEB_LOG_ERROR
                << "Timed out waiting for firmware object being created";
            BMCWEB_LOG_ERROR
                << "FW image may has already been uploaded to server";
            if (ec)
            {
                BMCWEB_LOG_ERROR << "Async_wait failed" << ec;
                return;
            }
            if (asyncResp)
            {
                redfish::messages::internalError(asyncResp->res);
            }
        });
    task::Payload payload(req);
    auto callback = [asyncResp,
                     payload](sdbusplus::message::message& m) mutable {
        BMCWEB_LOG_DEBUG << "Match fired";
        softwareInterfaceAdded(asyncResp, m, std::move(payload));
    };

    fwUpdateInProgress = true;

    fwUpdateMatcher = std::make_unique<sdbusplus::bus::match::match>(
        *crow::connections::systemBus,
        "interface='org.freedesktop.DBus.ObjectManager',type='signal',"
        "member='InterfacesAdded',path='/xyz/openbmc_project/software'",
        callback);

    fwUpdateErrorMatcher = std::make_unique<sdbusplus::bus::match::match>(
        *crow::connections::systemBus,
        "type='signal',member='PropertiesChanged',path_namespace='/xyz/"
        "openbmc_project/logging/entry',"
        "arg0='xyz.openbmc_project.Logging.Entry'",
        [asyncResp, url](sdbusplus::message::message& m) {
            BMCWEB_LOG_DEBUG << "Error Match fired";
            boost::container::flat_map<std::string, std::variant<std::string>>
                values;
            std::string objName;
            m.read(objName, values);
            auto find = values.find("Message");
            if (find == values.end())
            {
                return;
            }
            std::string* type = std::get_if<std::string>(&(find->second));
            if (type == nullptr)
            {
                return; // if this was our message, timeout will cover it
            }
            if (!boost::starts_with(*type, "xyz.openbmc_project.Software"))
            {
                return;
            }
            if (*type ==
                "xyz.openbmc_project.Software.Image.Error.UnTarFailure")
            {
                redfish::messages::invalidUpload(asyncResp->res, url,
                                                 "Invalid archive");
            }
            else if (*type == "xyz.openbmc_project.Software.Image.Error."
                              "ManifestFileFailure")
            {
                redfish::messages::invalidUpload(asyncResp->res, url,
                                                 "Invalid manifest");
            }
            else if (*type ==
                     "xyz.openbmc_project.Software.Image.Error.ImageFailure")
            {
                redfish::messages::invalidUpload(asyncResp->res, url,
                                                 "Invalid image format");
            }
            else if (*type == "xyz.openbmc_project.Software.Version.Error."
                              "AlreadyExists")
            {

                redfish::messages::invalidUpload(
                    asyncResp->res, url, "Image version already exists");

                redfish::messages::resourceAlreadyExists(
                    asyncResp->res, "UpdateService.v1_5_0.UpdateService",
                    "Version", "uploaded version");
            }
            else if (*type ==
                     "xyz.openbmc_project.Software.Image.Error.BusyFailure")
            {
                redfish::messages::resourceExhaustion(asyncResp->res, url);
            }
            else
            {
                redfish::messages::internalError(asyncResp->res);
            }
            fwAvailableTimer = nullptr;
        });
}

/**
 * UpdateServiceActionsSimpleUpdate class supports handle POST method for
 * SimpleUpdate action.
 */
inline void requestRoutesUpdateServiceActionsSimpleUpdate(App& app)
{
    BMCWEB_ROUTE(
        app, "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate/")
        .privileges(redfish::privileges::postUpdateService)
        .methods(
            boost::beast::http::verb::
                post)([](const crow::Request& req,
                         const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
            std::optional<std::string> transferProtocol;
            std::string imageURI;

            BMCWEB_LOG_DEBUG << "Enter UpdateService.SimpleUpdate doPost";

            // User can pass in both TransferProtocol and ImageURI parameters or
            // they can pass in just the ImageURI with the transfer protocol
            // embedded within it.
            // 1) TransferProtocol:TFTP ImageURI:1.1.1.1/myfile.bin
            // 2) ImageURI:tftp://1.1.1.1/myfile.bin

            if (!json_util::readJson(req, asyncResp->res, "TransferProtocol",
                                     transferProtocol, "ImageURI", imageURI))
            {
                BMCWEB_LOG_DEBUG
                    << "Missing TransferProtocol or ImageURI parameter";
                return;
            }
            if (!transferProtocol)
            {
                // Must be option 2
                // Verify ImageURI has transfer protocol in it
                size_t separator = imageURI.find(':');
                if ((separator == std::string::npos) ||
                    ((separator + 1) > imageURI.size()))
                {
                    messages::actionParameterValueTypeError(
                        asyncResp->res, imageURI, "ImageURI",
                        "UpdateService.SimpleUpdate");
                    BMCWEB_LOG_ERROR << "ImageURI missing transfer protocol: "
                                     << imageURI;
                    return;
                }
                transferProtocol = imageURI.substr(0, separator);
                // Ensure protocol is upper case for a common comparison path
                // below
                boost::to_upper(*transferProtocol);
                BMCWEB_LOG_DEBUG << "Encoded transfer protocol "
                                 << *transferProtocol;

                // Adjust imageURI to not have the protocol on it for parsing
                // below
                // ex. tftp://1.1.1.1/myfile.bin -> 1.1.1.1/myfile.bin
                imageURI = imageURI.substr(separator + 3);
                BMCWEB_LOG_DEBUG << "Adjusted imageUri " << imageURI;
            }

            // OpenBMC currently only supports TFTP
            if (*transferProtocol != "TFTP")
            {
                messages::actionParameterNotSupported(
                    asyncResp->res, "TransferProtocol",
                    "UpdateService.SimpleUpdate");
                BMCWEB_LOG_ERROR << "Request incorrect protocol parameter: "
                                 << *transferProtocol;
                return;
            }

            // Format should be <IP or Hostname>/<file> for imageURI
            size_t separator = imageURI.find('/');
            if ((separator == std::string::npos) ||
                ((separator + 1) > imageURI.size()))
            {
                messages::actionParameterValueTypeError(
                    asyncResp->res, imageURI, "ImageURI",
                    "UpdateService.SimpleUpdate");
                BMCWEB_LOG_ERROR << "Invalid ImageURI: " << imageURI;
                return;
            }

            std::string tftpServer = imageURI.substr(0, separator);
            std::string fwFile = imageURI.substr(separator + 1);
            BMCWEB_LOG_DEBUG << "Server: " << tftpServer + " File: " << fwFile;

            // Setup callback for when new software detected
            // Give TFTP 10 minutes to complete
            monitorForSoftwareAvailable(
                asyncResp, req,
                "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate",
                600);

            // TFTP can take up to 10 minutes depending on image size and
            // connection speed. Return to caller as soon as the TFTP operation
            // has been started. The callback above will ensure the activate
            // is started once the download has completed
            redfish::messages::success(asyncResp->res);

            // Call TFTP service
            crow::connections::systemBus->async_method_call(
                [](const boost::system::error_code ec) {
                    if (ec)
                    {
                        // messages::internalError(asyncResp->res);
                        cleanUp();
                        BMCWEB_LOG_DEBUG << "error_code = " << ec;
                        BMCWEB_LOG_DEBUG << "error msg = " << ec.message();
                    }
                    else
                    {
                        BMCWEB_LOG_DEBUG << "Call to DownloaViaTFTP Success";
                    }
                },
                "xyz.openbmc_project.Software.Download",
                "/xyz/openbmc_project/software",
                "xyz.openbmc_project.Common.TFTP", "DownloadViaTFTP", fwFile,
                tftpServer);

            BMCWEB_LOG_DEBUG << "Exit UpdateService.SimpleUpdate doPost";
        });
}

inline void requestRoutesUpdateService(App& app)
{
    BMCWEB_ROUTE(app, "/redfish/v1/UpdateService/")
        .privileges(redfish::privileges::getUpdateService)
        .methods(
            boost::beast::http::verb::
                get)([](const crow::Request&,
                        const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
            asyncResp->res.jsonValue["@odata.type"] =
                "#UpdateService.v1_5_0.UpdateService";
            asyncResp->res.jsonValue["@odata.id"] = "/redfish/v1/UpdateService";
            asyncResp->res.jsonValue["Id"] = "UpdateService";
            asyncResp->res.jsonValue["Description"] =
                "Service for Software Update";
            asyncResp->res.jsonValue["Name"] = "Update Service";
            asyncResp->res.jsonValue["HttpPushUri"] =
                "/redfish/v1/UpdateService";
            // UpdateService cannot be disabled
            asyncResp->res.jsonValue["ServiceEnabled"] = true;
            asyncResp->res.jsonValue["FirmwareInventory"] = {
                {"@odata.id", "/redfish/v1/UpdateService/FirmwareInventory"}};
            // Get the MaxImageSizeBytes
            asyncResp->res.jsonValue["MaxImageSizeBytes"] =
                bmcwebHttpReqBodyLimitMb * 1024 * 1024;

#ifdef BMCWEB_INSECURE_ENABLE_REDFISH_FW_TFTP_UPDATE
            // Update Actions object.
            nlohmann::json& updateSvcSimpleUpdate =
                asyncResp->res
                    .jsonValue["Actions"]["#UpdateService.SimpleUpdate"];
            updateSvcSimpleUpdate["target"] =
                "/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate";
            updateSvcSimpleUpdate["TransferProtocol@Redfish.AllowableValues"] =
                {"TFTP"};
#endif
            // Get the current ApplyTime value
            crow::connections::systemBus->async_method_call(
                [asyncResp](const boost::system::error_code ec,
                            const std::variant<std::string>& applyTime) {
                    if (ec)
                    {
                        BMCWEB_LOG_DEBUG << "DBUS response error " << ec;
                        messages::internalError(asyncResp->res);
                        return;
                    }

                    const std::string* s = std::get_if<std::string>(&applyTime);
                    if (s == nullptr)
                    {
                        return;
                    }
                    // Store the ApplyTime Value
                    if (*s == "xyz.openbmc_project.Software.ApplyTime."
                              "RequestedApplyTimes.Immediate")
                    {
                        asyncResp->res
                            .jsonValue["HttpPushUriOptions"]
                                      ["HttpPushUriApplyTime"]["ApplyTime"] =
                            "Immediate";
                    }
                    else if (*s == "xyz.openbmc_project.Software.ApplyTime."
                                   "RequestedApplyTimes.OnReset")
                    {
                        asyncResp->res
                            .jsonValue["HttpPushUriOptions"]
                                      ["HttpPushUriApplyTime"]["ApplyTime"] =
                            "OnReset";
                    }
                },
                "xyz.openbmc_project.Settings",
                "/xyz/openbmc_project/software/apply_time",
                "org.freedesktop.DBus.Properties", "Get",
                "xyz.openbmc_project.Software.ApplyTime", "RequestedApplyTime");
        });
    BMCWEB_ROUTE(app, "/redfish/v1/UpdateService/")
        .privileges(redfish::privileges::patchUpdateService)
        .methods(boost::beast::http::verb::patch)(
            [](const crow::Request& req,
               const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
                BMCWEB_LOG_DEBUG << "doPatch...";

                std::optional<nlohmann::json> pushUriOptions;
                if (!json_util::readJson(req, asyncResp->res,
                                         "HttpPushUriOptions", pushUriOptions))
                {
                    return;
                }

                if (pushUriOptions)
                {
                    std::optional<nlohmann::json> pushUriApplyTime;
                    if (!json_util::readJson(*pushUriOptions, asyncResp->res,
                                             "HttpPushUriApplyTime",
                                             pushUriApplyTime))
                    {
                        return;
                    }

                    if (pushUriApplyTime)
                    {
                        std::optional<std::string> applyTime;
                        if (!json_util::readJson(*pushUriApplyTime,
                                                 asyncResp->res, "ApplyTime",
                                                 applyTime))
                        {
                            return;
                        }

                        if (applyTime)
                        {
                            std::string applyTimeNewVal;
                            if (applyTime == "Immediate")
                            {
                                applyTimeNewVal =
                                    "xyz.openbmc_project.Software.ApplyTime."
                                    "RequestedApplyTimes.Immediate";
                            }
                            else if (applyTime == "OnReset")
                            {
                                applyTimeNewVal =
                                    "xyz.openbmc_project.Software.ApplyTime."
                                    "RequestedApplyTimes.OnReset";
                            }
                            else
                            {
                                BMCWEB_LOG_INFO
                                    << "ApplyTime value is not in the list of "
                                       "acceptable values";
                                messages::propertyValueNotInList(
                                    asyncResp->res, *applyTime, "ApplyTime");
                                return;
                            }

                            // Set the requested image apply time value
                            crow::connections::systemBus->async_method_call(
                                [asyncResp](
                                    const boost::system::error_code ec) {
                                    if (ec)
                                    {
                                        BMCWEB_LOG_ERROR
                                            << "D-Bus responses error: " << ec;
                                        messages::internalError(asyncResp->res);
                                        return;
                                    }
                                    messages::success(asyncResp->res);
                                },
                                "xyz.openbmc_project.Settings",
                                "/xyz/openbmc_project/software/apply_time",
                                "org.freedesktop.DBus.Properties", "Set",
                                "xyz.openbmc_project.Software.ApplyTime",
                                "RequestedApplyTime",
                                std::variant<std::string>{applyTimeNewVal});
                        }
                    }
                }
            });
    BMCWEB_ROUTE(app, "/redfish/v1/UpdateService/")
        .privileges(redfish::privileges::postUpdateService)
        .methods(boost::beast::http::verb::post)(
            [](const crow::Request& req,
               const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
                BMCWEB_LOG_DEBUG << "doPost...";

                // Setup callback for when new software detected
                monitorForSoftwareAvailable(asyncResp, req,
                                            "/redfish/v1/UpdateService");

                std::string filepath("/tmp/images/" +
                                     boost::uuids::to_string(
                                         boost::uuids::random_generator()()));
                BMCWEB_LOG_DEBUG << "Writing file to " << filepath;
                std::ofstream out(filepath, std::ofstream::out |
                                                std::ofstream::binary |
                                                std::ofstream::trunc);
                out << req.body;
                out.close();
                BMCWEB_LOG_DEBUG << "file upload complete!!";
            });
}

inline void requestRoutesSoftwareInventoryCollection(App& app)
{
    BMCWEB_ROUTE(app, "/redfish/v1/UpdateService/FirmwareInventory/")
        .privileges(redfish::privileges::getSoftwareInventoryCollection)
        .methods(boost::beast::http::verb::get)(
            [](const crow::Request&,
               const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
                asyncResp->res.jsonValue["@odata.type"] =
                    "#SoftwareInventoryCollection.SoftwareInventoryCollection";
                asyncResp->res.jsonValue["@odata.id"] =
                    "/redfish/v1/UpdateService/FirmwareInventory";
                asyncResp->res.jsonValue["Name"] =
                    "Software Inventory Collection";

                crow::connections::systemBus->async_method_call(
                    [asyncResp](
                        const boost::system::error_code ec,
                        const std::vector<std::pair<
                            std::string,
                            std::vector<std::pair<std::string,
                                                  std::vector<std::string>>>>>&
                            subtree) {
                        if (ec)
                        {
                            messages::internalError(asyncResp->res);
                            return;
                        }
                        asyncResp->res.jsonValue["Members"] =
                            nlohmann::json::array();
                        asyncResp->res.jsonValue["Members@odata.count"] = 0;

                        for (auto& obj : subtree)
                        {
                            sdbusplus::message::object_path path(obj.first);
                            std::string swId = path.filename();
                            if (swId.empty())
                            {
                                messages::internalError(asyncResp->res);
                                BMCWEB_LOG_DEBUG << "Can't parse firmware ID!!";
                                return;
                            }

                            nlohmann::json& members =
                                asyncResp->res.jsonValue["Members"];
                            members.push_back(
                                {{"@odata.id", "/redfish/v1/UpdateService/"
                                               "FirmwareInventory/" +
                                                   swId}});
                            asyncResp->res.jsonValue["Members@odata.count"] =
                                members.size();
                        }
                    },
                    // Note that only firmware levels associated with a device
                    // are stored under /xyz/openbmc_project/software therefore
                    // to ensure only real FirmwareInventory items are returned,
                    // this full object path must be used here as input to
                    // mapper
                    "xyz.openbmc_project.ObjectMapper",
                    "/xyz/openbmc_project/object_mapper",
                    "xyz.openbmc_project.ObjectMapper", "GetSubTree",
                    "/xyz/openbmc_project/software", static_cast<int32_t>(0),
                    std::array<const char*, 1>{
                        "xyz.openbmc_project.Software.Version"});
            });
}
/* Fill related item links (i.e. bmc, bios) in for inventory */
inline static void
    getRelatedItems(const std::shared_ptr<bmcweb::AsyncResp>& aResp,
                    const std::string& purpose)
{
    if (purpose == fw_util::bmcPurpose)
    {
        nlohmann::json& relatedItem = aResp->res.jsonValue["RelatedItem"];
        relatedItem.push_back({{"@odata.id", "/redfish/v1/Managers/bmc"}});
        aResp->res.jsonValue["RelatedItem@odata.count"] = relatedItem.size();
    }
    else if (purpose == fw_util::biosPurpose)
    {
        nlohmann::json& relatedItem = aResp->res.jsonValue["RelatedItem"];
        relatedItem.push_back(
            {{"@odata.id", "/redfish/v1/Systems/system/Bios"}});
        aResp->res.jsonValue["Members@odata.count"] = relatedItem.size();
    }
    else
    {
        BMCWEB_LOG_ERROR << "Unknown software purpose " << purpose;
    }
}

inline void requestRoutesSoftwareInventory(App& app)
{
    BMCWEB_ROUTE(app, "/redfish/v1/UpdateService/FirmwareInventory/<str>/")
        .privileges(redfish::privileges::getSoftwareInventory)
        .methods(
            boost::beast::http::verb::get)([](const crow::Request&,
                                              const std::shared_ptr<
                                                  bmcweb::AsyncResp>& asyncResp,
                                              const std::string& param) {
            std::shared_ptr<std::string> swId =
                std::make_shared<std::string>(param);

            asyncResp->res.jsonValue["@odata.id"] =
                "/redfish/v1/UpdateService/FirmwareInventory/" + *swId;

            crow::connections::systemBus->async_method_call(
                [asyncResp, swId](
                    const boost::system::error_code ec,
                    const std::vector<
                        std::pair<std::string,
                                  std::vector<std::pair<
                                      std::string, std::vector<std::string>>>>>&
                        subtree) {
                    BMCWEB_LOG_DEBUG << "doGet callback...";
                    if (ec)
                    {
                        messages::internalError(asyncResp->res);
                        return;
                    }

                    // Ensure we find our input swId, otherwise return an error
                    bool found = false;
                    for (const std::pair<
                             std::string,
                             std::vector<std::pair<
                                 std::string, std::vector<std::string>>>>& obj :
                         subtree)
                    {
                        if (boost::ends_with(obj.first, *swId) != true)
                        {
                            continue;
                        }

                        if (obj.second.size() < 1)
                        {
                            continue;
                        }

                        found = true;
                        fw_util::getFwStatus(asyncResp, swId,
                                             obj.second[0].first);

                        crow::connections::systemBus->async_method_call(
                            [asyncResp, swId](
                                const boost::system::error_code errorCode,
                                const boost::container::flat_map<
                                    std::string, VariantType>& propertiesList) {
                                if (errorCode)
                                {
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                boost::container::flat_map<
                                    std::string, VariantType>::const_iterator
                                    it = propertiesList.find("Purpose");
                                if (it == propertiesList.end())
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Can't find property \"Purpose\"!";
                                    messages::propertyMissing(asyncResp->res,
                                                              "Purpose");
                                    return;
                                }
                                const std::string* swInvPurpose =
                                    std::get_if<std::string>(&it->second);
                                if (swInvPurpose == nullptr)
                                {
                                    BMCWEB_LOG_DEBUG << "wrong types for "
                                                        "property\"Purpose\"!";
                                    messages::propertyValueTypeError(
                                        asyncResp->res, "", "Purpose");
                                    return;
                                }

                                BMCWEB_LOG_DEBUG << "swInvPurpose = "
                                                 << *swInvPurpose;
                                it = propertiesList.find("Version");
                                if (it == propertiesList.end())
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Can't find property \"Version\"!";
                                    messages::propertyMissing(asyncResp->res,
                                                              "Version");
                                    return;
                                }

                                BMCWEB_LOG_DEBUG << "Version found!";

                                const std::string* version =
                                    std::get_if<std::string>(&it->second);

                                if (version == nullptr)
                                {
                                    BMCWEB_LOG_DEBUG
                                        << "Can't find property \"Version\"!";

                                    messages::propertyValueTypeError(
                                        asyncResp->res, "", "Version");
                                    return;
                                }
                                asyncResp->res.jsonValue["Version"] = *version;
                                asyncResp->res.jsonValue["Id"] = *swId;

                                // swInvPurpose is of format:
                                // xyz.openbmc_project.Software.Version.VersionPurpose.ABC
                                // Translate this to "ABC image"
                                size_t endDesc = swInvPurpose->rfind('.');
                                if (endDesc == std::string::npos)
                                {
                                    messages::internalError(asyncResp->res);
                                    return;
                                }
                                endDesc++;
                                if (endDesc >= swInvPurpose->size())
                                {
                                    messages::internalError(asyncResp->res);
                                    return;
                                }

                                std::string formatDesc =
                                    swInvPurpose->substr(endDesc);
                                asyncResp->res.jsonValue["Description"] =
                                    formatDesc + " image";
                                getRelatedItems(asyncResp, *swInvPurpose);
                            },
                            obj.second[0].first, obj.first,
                            "org.freedesktop.DBus.Properties", "GetAll",
                            "xyz.openbmc_project.Software.Version");
                    }
                    if (!found)
                    {
                        BMCWEB_LOG_ERROR
                            << "Input swID " + *swId + " not found!";
                        messages::resourceMissingAtURI(
                            asyncResp->res,
                            "/redfish/v1/UpdateService/FirmwareInventory/" +
                                *swId);
                        return;
                    }
                    asyncResp->res.jsonValue["@odata.type"] =
                        "#SoftwareInventory.v1_1_0.SoftwareInventory";
                    asyncResp->res.jsonValue["Name"] = "Software Inventory";
                    asyncResp->res.jsonValue["Status"]["HealthRollup"] = "OK";

                    asyncResp->res.jsonValue["Updateable"] = false;
                    fw_util::getFwUpdateableStatus(asyncResp, swId);
                },
                "xyz.openbmc_project.ObjectMapper",
                "/xyz/openbmc_project/object_mapper",
                "xyz.openbmc_project.ObjectMapper", "GetSubTree", "/",
                static_cast<int32_t>(0),
                std::array<const char*, 1>{
                    "xyz.openbmc_project.Software.Version"});
        });
}

} // namespace redfish