///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Edouard Griffiths, F4EXB.                                  //
//                                                                               //
// This program 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 as version 3 of the License, or                  //
// (at your option) any later version.                                           //
//                                                                               //
// 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 General Public License V3 for more details.                               //
//                                                                               //
// You should have received a copy of the GNU General Public License             //
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
///////////////////////////////////////////////////////////////////////////////////


#include <boost/crc.hpp>
#include <boost/cstdint.hpp>

#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QBuffer>
#include <QThread>
#include <QMutexLocker>

#include "SWGChannelSettings.h"
#include "SWGWorkspaceInfo.h"
#include "SWGChannelReport.h"
#include "SWGChannelActions.h"

#include "util/simpleserializer.h"
#include "dsp/dspcommands.h"
#include "dsp/dspdevicesourceengine.h"
#include "dsp/dspengine.h"
#include "dsp/devicesamplesource.h"
#include "dsp/hbfilterchainconverter.h"
#include "dsp/devicesamplemimo.h"
#include "device/deviceapi.h"
#include "feature/feature.h"
#include "maincore.h"

#include "sigmffilesinkmessages.h"
#include "sigmffilesinkbaseband.h"
#include "sigmffilesink.h"

MESSAGE_CLASS_DEFINITION(SigMFFileSink::MsgConfigureSigMFFileSink, Message)
MESSAGE_CLASS_DEFINITION(SigMFFileSink::MsgReportStartStop, Message)

const char* const SigMFFileSink::m_channelIdURI = "sdrangel.channel.sigmffilesink";
const char* const SigMFFileSink::m_channelId = "SigMFFileSink";

SigMFFileSink::SigMFFileSink(DeviceAPI *deviceAPI) :
        ChannelAPI(m_channelIdURI, ChannelAPI::StreamSingleSink),
        m_deviceAPI(deviceAPI),
        m_running(false),
        m_spectrumVis(SDR_RX_SCALEF),
        m_centerFrequency(0),
        m_frequencyOffset(0),
        m_basebandSampleRate(48000)
{
    setObjectName(m_channelId);

    applySettings(m_settings, true);

    m_deviceAPI->addChannelSink(this);
    m_deviceAPI->addChannelSinkAPI(this);

    m_networkManager = new QNetworkAccessManager();
    QObject::connect(
        m_networkManager,
        &QNetworkAccessManager::finished,
        this,
        &SigMFFileSink::networkManagerFinished
    );
    QObject::connect(
        this,
        &ChannelAPI::indexInDeviceSetChanged,
        this,
        &SigMFFileSink::handleIndexInDeviceSetChanged
    );

    start();
}

SigMFFileSink::~SigMFFileSink()
{
    QObject::disconnect(
        m_networkManager,
        &QNetworkAccessManager::finished,
        this,
        &SigMFFileSink::networkManagerFinished
    );
    delete m_networkManager;
    m_deviceAPI->removeChannelSinkAPI(this);
    m_deviceAPI->removeChannelSink(this);

    stop();
}

void SigMFFileSink::setDeviceAPI(DeviceAPI *deviceAPI)
{
    if (deviceAPI != m_deviceAPI)
    {
        m_deviceAPI->removeChannelSinkAPI(this);
        m_deviceAPI->removeChannelSink(this);
        m_deviceAPI = deviceAPI;
        m_deviceAPI->addChannelSink(this);
        m_deviceAPI->addChannelSinkAPI(this);
    }
}

void SigMFFileSink::setMessageQueueToGUI(MessageQueue* queue)
{
    ChannelAPI::setMessageQueueToGUI(queue);

    if (m_running) {
        m_basebandSink->setMessageQueueToGUI(queue);
    }
}

uint32_t SigMFFileSink::getNumberOfDeviceStreams() const
{
    return m_deviceAPI->getNbSourceStreams();
}

void SigMFFileSink::feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end, bool firstOfBurst)
{
    (void) firstOfBurst;

    if (m_running) {
        m_basebandSink->feed(begin, end);
    }
}

void SigMFFileSink::start()
{
    QMutexLocker m_lock(&m_mutex);

    if (m_running) {
        return;
    }

	qDebug("SigMFFileSink::start");
    m_thread = new QThread();
    m_basebandSink = new SigMFFileSinkBaseband();
    m_basebandSink->setFifoLabel(QString("%1 [%2:%3]")
        .arg(m_channelId)
        .arg(m_deviceAPI->getDeviceSetIndex())
        .arg(getIndexInDeviceSet())
    );
    m_basebandSink->setSpectrumSink(&m_spectrumVis);
    m_basebandSink->moveToThread(m_thread);

    QObject::connect(
        m_thread,
        &QThread::started,
        m_basebandSink,
        &SigMFFileSinkBaseband::startWork
    );
    QObject::connect(
        m_thread,
        &QThread::finished,
        m_basebandSink,
        &QObject::deleteLater
    );
    QObject::connect(
        m_thread,
        &QThread::finished,
        m_thread,
        &QThread::deleteLater
    );

    m_basebandSink->setMessageQueueToGUI(getMessageQueueToGUI());
    m_basebandSink->setDeviceHwId(m_deviceAPI->getHardwareId());
    m_basebandSink->setDeviceUId(m_deviceAPI->getDeviceUID());
    m_thread->start();

    DSPSignalNotification *dspMsg = new DSPSignalNotification(m_basebandSampleRate, m_centerFrequency);
    m_basebandSink->getInputMessageQueue()->push(dspMsg);

    SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkBaseband *msg = SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkBaseband::create(m_settings, true);
    m_basebandSink->getInputMessageQueue()->push(msg);

    if (getMessageQueueToGUI())
    {
        MsgReportStartStop *msg = MsgReportStartStop::create(true);
        getMessageQueueToGUI()->push(msg);
    }

    m_running = true;
}

void SigMFFileSink::stop()
{
    QMutexLocker m_lock(&m_mutex);

    if (!m_running) {
        return;
    }

    qDebug("SigMFFileSink::stop");
    m_running = false;
	m_thread->quit();
	m_thread->wait();

    if (getMessageQueueToGUI())
    {
        MsgReportStartStop *msg = MsgReportStartStop::create(false);
        getMessageQueueToGUI()->push(msg);
    }
}

bool SigMFFileSink::handleMessage(const Message& cmd)
{
    if (DSPSignalNotification::match(cmd))
    {
        DSPSignalNotification& cfg = (DSPSignalNotification&) cmd;

        qDebug() << "SigMFFileSink::handleMessage: DSPSignalNotification:"
                << " inputSampleRate: " << cfg.getSampleRate()
                << " centerFrequency: " << cfg.getCenterFrequency();

        m_basebandSampleRate = cfg.getSampleRate();
        m_centerFrequency = cfg.getCenterFrequency();

        if (m_running) {
            m_basebandSink->getInputMessageQueue()->push(new DSPSignalNotification(cfg));
        }

        if (getMessageQueueToGUI()) {
            getMessageQueueToGUI()->push(new DSPSignalNotification(cfg));
        }

        return true;
    }
    else if (MsgConfigureSigMFFileSink::match(cmd))
    {
        MsgConfigureSigMFFileSink& cfg = (MsgConfigureSigMFFileSink&) cmd;
        qDebug() << "SigMFFileSink::handleMessage: MsgConfigureSigMFFileSink";
        applySettings(cfg.getSettings(), cfg.getForce());

        return true;
    }
    else
    {
        return false;
    }
}

QByteArray SigMFFileSink::serialize() const
{
    return m_settings.serialize();
}

bool SigMFFileSink::deserialize(const QByteArray& data)
{
    (void) data;
    if (m_settings.deserialize(data))
    {
        MsgConfigureSigMFFileSink *msg = MsgConfigureSigMFFileSink::create(m_settings, true);
        m_inputMessageQueue.push(msg);
        return true;
    }
    else
    {
        m_settings.resetToDefaults();
        MsgConfigureSigMFFileSink *msg = MsgConfigureSigMFFileSink::create(m_settings, true);
        m_inputMessageQueue.push(msg);
        return false;
    }
}

void SigMFFileSink::getLocalDevices(std::vector<uint32_t>& indexes)
{
    indexes.clear();
    DSPEngine *dspEngine = DSPEngine::instance();

    for (uint32_t i = 0; i < dspEngine->getDeviceSourceEnginesNumber(); i++)
    {
        DSPDeviceSourceEngine *deviceSourceEngine = dspEngine->getDeviceSourceEngineByIndex(i);
        DeviceSampleSource *deviceSource = deviceSourceEngine->getSource();

        if (deviceSource->getDeviceDescription() == "LocalInput") {
            indexes.push_back(i);
        }
    }
}

DeviceSampleSource *SigMFFileSink::getLocalDevice(uint32_t index)
{
    DSPEngine *dspEngine = DSPEngine::instance();

    if (index < dspEngine->getDeviceSourceEnginesNumber())
    {
        DSPDeviceSourceEngine *deviceSourceEngine = dspEngine->getDeviceSourceEngineByIndex(index);
        DeviceSampleSource *deviceSource = deviceSourceEngine->getSource();

        if (deviceSource->getDeviceDescription() == "LocalInput")
        {
            if (!getDeviceAPI()) {
                qDebug("SigMFFileSink::getLocalDevice: the parent device is unset");
            } else if (getDeviceAPI()->getDeviceUID() == deviceSourceEngine->getUID()) {
                qDebug("SigMFFileSink::getLocalDevice: source device at index %u is the parent device", index);
            } else {
                return deviceSource;
            }
        }
        else
        {
            qDebug("SigMFFileSink::getLocalDevice: source device at index %u is not a SigMF File sink", index);
        }
    }
    else
    {
        qDebug("SigMFFileSink::getLocalDevice: non existent source device index: %u", index);
    }

    return nullptr;
}

void SigMFFileSink::applySettings(const SigMFFileSinkSettings& settings, bool force)
{
    qDebug() << "SigMFFileSink::applySettings:"
        << "m_inputFrequencyOffset: " << settings.m_inputFrequencyOffset
        << "m_log2Decim: " << settings.m_log2Decim
        << "m_fileRecordName: " << settings.m_fileRecordName
        << "force: " << force;

    QList<QString> reverseAPIKeys;

    if ((settings.m_inputFrequencyOffset != m_settings.m_inputFrequencyOffset) || force) {
        reverseAPIKeys.append("inputFrequencyOffset");
    }
    if ((settings.m_fileRecordName != m_settings.m_fileRecordName) || force) {
        reverseAPIKeys.append("fileRecordName");
    }
    if ((settings.m_rgbColor != m_settings.m_rgbColor) || force) {
        reverseAPIKeys.append("rgbColor");
    }
    if ((settings.m_title != m_settings.m_title) || force) {
        reverseAPIKeys.append("title");
    }
    if ((settings.m_log2Decim != m_settings.m_log2Decim) || force) {
        reverseAPIKeys.append("log2Decim");
    }
    if ((settings.m_spectrumSquelchMode != m_settings.m_spectrumSquelchMode) || force) {
        reverseAPIKeys.append("spectrumSquelchMode");
    }
    if ((settings.m_spectrumSquelch != m_settings.m_spectrumSquelch) || force) {
        reverseAPIKeys.append("spectrumSquelch");
    }
    if ((settings.m_preRecordTime != m_settings.m_preRecordTime) || force) {
        reverseAPIKeys.append("preRecordTime");
    }
    if ((settings.m_squelchPostRecordTime != m_settings.m_squelchPostRecordTime) || force) {
        reverseAPIKeys.append("squelchPostRecordTime");
    }
    if ((settings.m_squelchRecordingEnable != m_settings.m_squelchRecordingEnable) || force) {
        reverseAPIKeys.append("squelchRecordingEnable");
    }

    if (m_settings.m_streamIndex != settings.m_streamIndex)
    {
        if (m_deviceAPI->getSampleMIMO()) // change of stream is possible for MIMO devices only
        {
            m_deviceAPI->removeChannelSinkAPI(this);
            m_deviceAPI->removeChannelSink(this, m_settings.m_streamIndex);
            m_deviceAPI->addChannelSink(this, settings.m_streamIndex);
            m_deviceAPI->addChannelSinkAPI(this);
        }

        reverseAPIKeys.append("streamIndex");
    }

    if (m_running)
    {
        SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkBaseband *msg = SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkBaseband::create(settings, force);
        m_basebandSink->getInputMessageQueue()->push(msg);
    }

    if ((settings.m_useReverseAPI) && (reverseAPIKeys.size() != 0))
    {
        bool fullUpdate = ((m_settings.m_useReverseAPI != settings.m_useReverseAPI) && settings.m_useReverseAPI) ||
                (m_settings.m_reverseAPIAddress != settings.m_reverseAPIAddress) ||
                (m_settings.m_reverseAPIPort != settings.m_reverseAPIPort) ||
                (m_settings.m_reverseAPIDeviceIndex != settings.m_reverseAPIDeviceIndex) ||
                (m_settings.m_reverseAPIChannelIndex != settings.m_reverseAPIChannelIndex);
        webapiReverseSendSettings(reverseAPIKeys, settings, fullUpdate || force);
    }

    QList<ObjectPipe*> pipes;
    MainCore::instance()->getMessagePipes().getMessagePipes(this, "settings", pipes);

    if (pipes.size() > 0) {
        sendChannelSettings(pipes, reverseAPIKeys, settings, force);
    }

    m_settings = settings;
}

void SigMFFileSink::record(bool record)
{
    if (m_running)
    {
        SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkWork *msg = SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkWork::create(record);
        m_basebandSink->getInputMessageQueue()->push(msg);
    }
}

uint64_t SigMFFileSink::getMsCount() const
{
    if (m_running) {
        return m_basebandSink->getMsCount();
    } else {
        return 0;
    }
}

uint64_t SigMFFileSink::getByteCount() const
{
    if (m_running) {
        return m_basebandSink->getByteCount();
    } else {
        return 0;
    }
}

unsigned int SigMFFileSink::getNbTracks() const
{
    if (m_running) {
        return m_basebandSink->getNbTracks();
    } else {
        return 0;
    }
}

int SigMFFileSink::webapiSettingsGet(
        SWGSDRangel::SWGChannelSettings& response,
        QString& errorMessage)
{
    (void) errorMessage;
    response.setSigMfFileSinkSettings(new SWGSDRangel::SWGSigMFFileSinkSettings());
    response.getSigMfFileSinkSettings()->init();
    webapiFormatChannelSettings(response, m_settings);
    return 200;
}

int SigMFFileSink::webapiWorkspaceGet(
        SWGSDRangel::SWGWorkspaceInfo& response,
        QString& errorMessage)
{
    (void) errorMessage;
    response.setIndex(m_settings.m_workspaceIndex);
    return 200;
}

int SigMFFileSink::webapiSettingsPutPatch(
        bool force,
        const QStringList& channelSettingsKeys,
        SWGSDRangel::SWGChannelSettings& response,
        QString& errorMessage)
{
    (void) errorMessage;
    SigMFFileSinkSettings settings = m_settings;
    webapiUpdateChannelSettings(settings, channelSettingsKeys, response);

    MsgConfigureSigMFFileSink *msg = MsgConfigureSigMFFileSink::create(settings, force);
    m_inputMessageQueue.push(msg);

    qDebug("SigMFFileSink::webapiSettingsPutPatch: forward to GUI: %p", m_guiMessageQueue);
    if (m_guiMessageQueue) // forward to GUI if any
    {
        MsgConfigureSigMFFileSink *msgToGUI = MsgConfigureSigMFFileSink::create(settings, force);
        m_guiMessageQueue->push(msgToGUI);
    }

    webapiFormatChannelSettings(response, settings);

    return 200;
}

int SigMFFileSink::webapiReportGet(
        SWGSDRangel::SWGChannelReport& response,
        QString& errorMessage)
{
    (void) errorMessage;
    response.setSigMfFileSinkReport(new SWGSDRangel::SWGSigMFFileSinkReport());
    response.getSigMfFileSinkReport()->init();
    webapiFormatChannelReport(response);
    return 200;
}

int SigMFFileSink::webapiActionsPost(
        const QStringList& channelActionsKeys,
        SWGSDRangel::SWGChannelActions& query,
        QString& errorMessage)
{
    SWGSDRangel::SWGSigMFFileSinkActions *swgSigMFFileSinkActions = query.getSigMfFileSinkActions();

    if (swgSigMFFileSinkActions)
    {
        if (channelActionsKeys.contains("record"))
        {
            bool record = swgSigMFFileSinkActions->getRecord() != 0;

            if (!m_settings.m_squelchRecordingEnable)
            {
                if (m_running)
                {
                    SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkWork *msg = SigMFFileSinkBaseband::MsgConfigureSigMFFileSinkWork::create(record);
                    m_basebandSink->getInputMessageQueue()->push(msg);
                }

                if (getMessageQueueToGUI())
                {
                    SigMFFileSinkMessages::MsgReportRecording *msgToGUI = SigMFFileSinkMessages::MsgReportRecording::create(record);
                    getMessageQueueToGUI()->push(msgToGUI);
                }
            }
        }

        return 202;
    }
    else
    {
        errorMessage = "Missing SigMFFileSinkActions in query";
        return 400;
    }
}

void SigMFFileSink::webapiUpdateChannelSettings(
        SigMFFileSinkSettings& settings,
        const QStringList& channelSettingsKeys,
        SWGSDRangel::SWGChannelSettings& response)
{
    if (channelSettingsKeys.contains("inputFrequencyOffset")) {
        settings.m_inputFrequencyOffset = response.getSigMfFileSinkSettings()->getInputFrequencyOffset();
    }
    if (channelSettingsKeys.contains("fileRecordName")) {
        settings.m_fileRecordName = *response.getSigMfFileSinkSettings()->getFileRecordName();
    }
    if (channelSettingsKeys.contains("rgbColor")) {
        settings.m_rgbColor = response.getSigMfFileSinkSettings()->getRgbColor();
    }
    if (channelSettingsKeys.contains("title")) {
        settings.m_title = *response.getSigMfFileSinkSettings()->getTitle();
    }
    if (channelSettingsKeys.contains("log2Decim")) {
        settings.m_log2Decim = response.getSigMfFileSinkSettings()->getLog2Decim();
    }
    if (channelSettingsKeys.contains("spectrumSquelchMode")) {
        settings.m_spectrumSquelchMode = response.getSigMfFileSinkSettings()->getSpectrumSquelchMode() != 0;
    }
    if (channelSettingsKeys.contains("spectrumSquelch")) {
        settings.m_spectrumSquelch = response.getSigMfFileSinkSettings()->getSpectrumSquelch();
    }
    if (channelSettingsKeys.contains("preRecordTime")) {
        settings.m_preRecordTime = response.getSigMfFileSinkSettings()->getPreRecordTime();
    }
    if (channelSettingsKeys.contains("squelchPostRecordTime")) {
        settings.m_squelchPostRecordTime = response.getSigMfFileSinkSettings()->getSquelchPostRecordTime();
    }
    if (channelSettingsKeys.contains("squelchRecordingEnable")) {
        settings.m_squelchRecordingEnable = response.getSigMfFileSinkSettings()->getSquelchRecordingEnable() != 0;
    }
    if (channelSettingsKeys.contains("streamIndex")) {
        settings.m_streamIndex = response.getSigMfFileSinkSettings()->getStreamIndex();
    }
    if (channelSettingsKeys.contains("useReverseAPI")) {
        settings.m_useReverseAPI = response.getSigMfFileSinkSettings()->getUseReverseApi() != 0;
    }
    if (channelSettingsKeys.contains("reverseAPIAddress")) {
        settings.m_reverseAPIAddress = *response.getSigMfFileSinkSettings()->getReverseApiAddress();
    }
    if (channelSettingsKeys.contains("reverseAPIPort")) {
        settings.m_reverseAPIPort = response.getSigMfFileSinkSettings()->getReverseApiPort();
    }
    if (channelSettingsKeys.contains("reverseAPIDeviceIndex")) {
        settings.m_reverseAPIDeviceIndex = response.getSigMfFileSinkSettings()->getReverseApiDeviceIndex();
    }
    if (channelSettingsKeys.contains("reverseAPIChannelIndex")) {
        settings.m_reverseAPIChannelIndex = response.getSigMfFileSinkSettings()->getReverseApiChannelIndex();
    }
    if (channelSettingsKeys.contains("inputFrequencyOffset")) {
        settings.m_reverseAPIChannelIndex = response.getSigMfFileSinkSettings()->getInputFrequencyOffset();
    }
    if (settings.m_spectrumGUI && channelSettingsKeys.contains("spectrumConfig")) {
        settings.m_spectrumGUI->updateFrom(channelSettingsKeys, response.getSigMfFileSinkSettings()->getSpectrumConfig());
    }
    if (settings.m_channelMarker && channelSettingsKeys.contains("channelMarker")) {
        settings.m_channelMarker->updateFrom(channelSettingsKeys, response.getSigMfFileSinkSettings()->getChannelMarker());
    }
    if (settings.m_rollupState && channelSettingsKeys.contains("rollupState")) {
        settings.m_rollupState->updateFrom(channelSettingsKeys, response.getSigMfFileSinkSettings()->getRollupState());
    }
}

void SigMFFileSink::webapiFormatChannelSettings(SWGSDRangel::SWGChannelSettings& response, const SigMFFileSinkSettings& settings)
{
    response.getSigMfFileSinkSettings()->setInputFrequencyOffset(settings.m_inputFrequencyOffset);

    if (response.getSigMfFileSinkSettings()->getFileRecordName()) {
        *response.getSigMfFileSinkSettings()->getFileRecordName() = settings.m_fileRecordName;
    } else {
        response.getSigMfFileSinkSettings()->setFileRecordName(new QString(settings.m_fileRecordName));
    }

    response.getSigMfFileSinkSettings()->setRgbColor(settings.m_rgbColor);

    if (response.getSigMfFileSinkSettings()->getTitle()) {
        *response.getSigMfFileSinkSettings()->getTitle() = settings.m_title;
    } else {
        response.getSigMfFileSinkSettings()->setTitle(new QString(settings.m_title));
    }

    response.getSigMfFileSinkSettings()->setLog2Decim(settings.m_log2Decim);
    response.getSigMfFileSinkSettings()->setSpectrumSquelchMode(settings.m_spectrumSquelchMode ? 1 : 0);
    response.getSigMfFileSinkSettings()->setSpectrumSquelch(settings.m_spectrumSquelch);
    response.getSigMfFileSinkSettings()->setPreRecordTime(settings.m_preRecordTime);
    response.getSigMfFileSinkSettings()->setSquelchPostRecordTime(settings.m_squelchPostRecordTime);
    response.getSigMfFileSinkSettings()->setSquelchRecordingEnable(settings.m_squelchRecordingEnable ? 1 : 0);
    response.getSigMfFileSinkSettings()->setStreamIndex(settings.m_streamIndex);
    response.getSigMfFileSinkSettings()->setUseReverseApi(settings.m_useReverseAPI ? 1 : 0);

    if (response.getSigMfFileSinkSettings()->getReverseApiAddress()) {
        *response.getSigMfFileSinkSettings()->getReverseApiAddress() = settings.m_reverseAPIAddress;
    } else {
        response.getSigMfFileSinkSettings()->setReverseApiAddress(new QString(settings.m_reverseAPIAddress));
    }

    response.getSigMfFileSinkSettings()->setReverseApiPort(settings.m_reverseAPIPort);
    response.getSigMfFileSinkSettings()->setReverseApiDeviceIndex(settings.m_reverseAPIDeviceIndex);
    response.getSigMfFileSinkSettings()->setReverseApiChannelIndex(settings.m_reverseAPIChannelIndex);

    if (settings.m_spectrumGUI)
    {
        if (response.getSigMfFileSinkSettings()->getSpectrumConfig())
        {
            settings.m_spectrumGUI->formatTo(response.getSigMfFileSinkSettings()->getSpectrumConfig());
        }
        else
        {
            SWGSDRangel::SWGGLSpectrum *swgGLSpectrum = new SWGSDRangel::SWGGLSpectrum();
            settings.m_spectrumGUI->formatTo(swgGLSpectrum);
            response.getSigMfFileSinkSettings()->setSpectrumConfig(swgGLSpectrum);
        }
    }

    if (settings.m_channelMarker)
    {
        if (response.getSigMfFileSinkSettings()->getChannelMarker())
        {
            settings.m_channelMarker->formatTo(response.getSigMfFileSinkSettings()->getChannelMarker());
        }
        else
        {
            SWGSDRangel::SWGChannelMarker *swgChannelMarker = new SWGSDRangel::SWGChannelMarker();
            settings.m_channelMarker->formatTo(swgChannelMarker);
            response.getSigMfFileSinkSettings()->setChannelMarker(swgChannelMarker);
        }
    }

    if (settings.m_rollupState)
    {
        if (response.getSigMfFileSinkSettings()->getRollupState())
        {
            settings.m_rollupState->formatTo(response.getSigMfFileSinkSettings()->getRollupState());
        }
        else
        {
            SWGSDRangel::SWGRollupState *swgRollupState = new SWGSDRangel::SWGRollupState();
            settings.m_rollupState->formatTo(swgRollupState);
            response.getSigMfFileSinkSettings()->setRollupState(swgRollupState);
        }
    }
}

void SigMFFileSink::webapiFormatChannelReport(SWGSDRangel::SWGChannelReport& response)
{
    if (m_running)
    {
        response.getSigMfFileSinkReport()->setSpectrumSquelch(m_basebandSink->isSquelchOpen() ? 1 : 0);
        response.getSigMfFileSinkReport()->setSpectrumMax(m_basebandSink->getSpecMax());
        response.getSigMfFileSinkReport()->setSinkSampleRate(m_basebandSink->getSinkSampleRate());
        response.getSigMfFileSinkReport()->setRecording(m_basebandSink->isRecording() ? 1 : 0);
        response.getSigMfFileSinkReport()->setChannelSampleRate(m_basebandSink->getChannelSampleRate());
    }

    response.getSigMfFileSinkReport()->setRecordCaptures(getNbTracks());
    response.getSigMfFileSinkReport()->setRecordTimeMs(getMsCount());
    response.getSigMfFileSinkReport()->setRecordSize(getByteCount());
}

void SigMFFileSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, const SigMFFileSinkSettings& settings, bool force)
{
    SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
    webapiFormatChannelSettings(channelSettingsKeys, swgChannelSettings, settings, force);

    QString channelSettingsURL = QString("http://%1:%2/sdrangel/deviceset/%3/channel/%4/settings")
            .arg(settings.m_reverseAPIAddress)
            .arg(settings.m_reverseAPIPort)
            .arg(settings.m_reverseAPIDeviceIndex)
            .arg(settings.m_reverseAPIChannelIndex);
    m_networkRequest.setUrl(QUrl(channelSettingsURL));
    m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");

    QBuffer *buffer = new QBuffer();
    buffer->open((QBuffer::ReadWrite));
    buffer->write(swgChannelSettings->asJson().toUtf8());
    buffer->seek(0);

    // Always use PATCH to avoid passing reverse API settings
    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
    buffer->setParent(reply);

    delete swgChannelSettings;
}

void SigMFFileSink::sendChannelSettings(
    const QList<ObjectPipe*>& pipes,
    QList<QString>& channelSettingsKeys,
    const SigMFFileSinkSettings& settings,
    bool force)
{
    for (const auto& pipe : pipes)
    {
        MessageQueue *messageQueue = qobject_cast<MessageQueue*>(pipe->m_element);

        if (messageQueue)
        {
            SWGSDRangel::SWGChannelSettings *swgChannelSettings = new SWGSDRangel::SWGChannelSettings();
            webapiFormatChannelSettings(channelSettingsKeys, swgChannelSettings, settings, force);
            MainCore::MsgChannelSettings *msg = MainCore::MsgChannelSettings::create(
                this,
                channelSettingsKeys,
                swgChannelSettings,
                force
            );
            messageQueue->push(msg);
        }
    }
}

void SigMFFileSink::webapiFormatChannelSettings(
        QList<QString>& channelSettingsKeys,
        SWGSDRangel::SWGChannelSettings *swgChannelSettings,
        const SigMFFileSinkSettings& settings,
        bool force
)
{
    swgChannelSettings->setDirection(0); // Single sink (Rx)
    swgChannelSettings->setOriginatorChannelIndex(getIndexInDeviceSet());
    swgChannelSettings->setOriginatorDeviceSetIndex(getDeviceSetIndex());
    swgChannelSettings->setChannelType(new QString(m_channelId));
    swgChannelSettings->setSigMfFileSinkSettings(new SWGSDRangel::SWGSigMFFileSinkSettings());
    SWGSDRangel::SWGSigMFFileSinkSettings *swgSigMFFileSinkSettings = swgChannelSettings->getSigMfFileSinkSettings();

    // transfer data that has been modified. When force is on transfer all data except reverse API data

    if (channelSettingsKeys.contains("inputFrequencyOffset")) {
        swgSigMFFileSinkSettings->setInputFrequencyOffset(settings.m_inputFrequencyOffset);
    }
    if (channelSettingsKeys.contains("fileRecordName")) {
        swgSigMFFileSinkSettings->setTitle(new QString(settings.m_fileRecordName));
    }
    if (channelSettingsKeys.contains("rgbColor") || force) {
        swgSigMFFileSinkSettings->setRgbColor(settings.m_rgbColor);
    }
    if (channelSettingsKeys.contains("title") || force) {
        swgSigMFFileSinkSettings->setTitle(new QString(settings.m_title));
    }
    if (channelSettingsKeys.contains("log2Decim") || force) {
        swgSigMFFileSinkSettings->setLog2Decim(settings.m_log2Decim);
    }
    if (channelSettingsKeys.contains("spectrumSquelchMode")) {
        swgSigMFFileSinkSettings->setSpectrumSquelchMode(settings.m_spectrumSquelchMode ? 1 : 0);
    }
    if (channelSettingsKeys.contains("spectrumSquelch")) {
        swgSigMFFileSinkSettings->setSpectrumSquelch(settings.m_spectrumSquelch);
    }
    if (channelSettingsKeys.contains("preRecordTime")) {
        swgSigMFFileSinkSettings->setPreRecordTime(settings.m_preRecordTime);
    }
    if (channelSettingsKeys.contains("squelchPostRecordTime")) {
        swgSigMFFileSinkSettings->setSquelchPostRecordTime(settings.m_squelchPostRecordTime);
    }
    if (channelSettingsKeys.contains("squelchRecordingEnable")) {
        swgSigMFFileSinkSettings->setSquelchRecordingEnable(settings.m_squelchRecordingEnable ? 1 : 0);
    }
    if (channelSettingsKeys.contains("streamIndex")) {
        swgSigMFFileSinkSettings->setStreamIndex(settings.m_streamIndex);
    }

    if (settings.m_spectrumGUI && (channelSettingsKeys.contains("spectrunConfig") || force))
    {
        SWGSDRangel::SWGGLSpectrum *swgGLSpectrum = new SWGSDRangel::SWGGLSpectrum();
        settings.m_spectrumGUI->formatTo(swgGLSpectrum);
        swgSigMFFileSinkSettings->setSpectrumConfig(swgGLSpectrum);
    }

    if (settings.m_channelMarker && (channelSettingsKeys.contains("channelMarker") || force))
    {
        SWGSDRangel::SWGChannelMarker *swgChannelMarker = new SWGSDRangel::SWGChannelMarker();
        settings.m_channelMarker->formatTo(swgChannelMarker);
        swgSigMFFileSinkSettings->setChannelMarker(swgChannelMarker);
    }

    if (settings.m_rollupState && (channelSettingsKeys.contains("rollupState") || force))
    {
        SWGSDRangel::SWGRollupState *swgRollupState = new SWGSDRangel::SWGRollupState();
        settings.m_rollupState->formatTo(swgRollupState);
        swgSigMFFileSinkSettings->setRollupState(swgRollupState);
    }
}

void SigMFFileSink::networkManagerFinished(QNetworkReply *reply)
{
    QNetworkReply::NetworkError replyError = reply->error();

    if (replyError)
    {
        qWarning() << "SigMFFileSink::networkManagerFinished:"
                << " error(" << (int) replyError
                << "): " << replyError
                << ": " << reply->errorString();
    }
    else
    {
        QString answer = reply->readAll();
        answer.chop(1); // remove last \n
        qDebug("SigMFFileSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
    }

    reply->deleteLater();
}

void SigMFFileSink::handleIndexInDeviceSetChanged(int index)
{
    if (!m_running || (index < 0)) {
        return;
    }

    QString fifoLabel = QString("%1 [%2:%3]")
        .arg(m_channelId)
        .arg(m_deviceAPI->getDeviceSetIndex())
        .arg(index);
    m_basebandSink->setFifoLabel(fifoLabel);
}