///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel                                                   //
// Copyright (C) 2015-2020, 2022 Edouard Griffiths, F4EXB <f4exb06@gmail.com>    //
// Copyright (C) 2015 John Greb <hexameron@spam.no>                              //
// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com>                     //
//                                                                               //
// 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/>.          //
///////////////////////////////////////////////////////////////////////////////////

#ifndef PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_
#define PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_

#include <stdint.h>

#include <QString>
#include <QByteArray>
#include <QNetworkRequest>

#include "dsp/devicesamplesource.h"
#include "dsp/replaybuffer.h"
#include "limesdr/devicelimesdrshared.h"
#include "limesdrinputsettings.h"

class DeviceAPI;
class LimeSDRInputThread;
class QNetworkAccessManager;
class QNetworkReply;

class LimeSDRInput : public DeviceSampleSource
{
    Q_OBJECT
public:
    class MsgConfigureLimeSDR : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        const LimeSDRInputSettings& getSettings() const { return m_settings; }
        const QList<QString>& getSettingsKeys() const { return m_settingsKeys; }
        bool getForce() const { return m_force; }

        static MsgConfigureLimeSDR* create(const LimeSDRInputSettings& settings, const QList<QString>& settingsKeys, bool force) {
            return new MsgConfigureLimeSDR(settings, settingsKeys, force);
        }

    private:
        LimeSDRInputSettings m_settings;
        QList<QString> m_settingsKeys;
        bool m_force;

        MsgConfigureLimeSDR(const LimeSDRInputSettings& settings, const QList<QString>& settingsKeys, bool force) :
            Message(),
            m_settings(settings),
            m_settingsKeys(settingsKeys),
            m_force(force)
        { }
    };

    class MsgGetStreamInfo : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        static MsgGetStreamInfo* create()
        {
            return new MsgGetStreamInfo();
        }

    private:
        MsgGetStreamInfo() :
            Message()
        { }
    };

    class MsgGetDeviceInfo : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        static MsgGetDeviceInfo* create()
        {
            return new MsgGetDeviceInfo();
        }

    private:
        MsgGetDeviceInfo() :
            Message()
        { }
    };

    class MsgReportStreamInfo : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        bool     getSuccess() const { return m_success; }
        bool     getActive() const { return m_active; }
        uint32_t getFifoFilledCount() const { return m_fifoFilledCount; }
        uint32_t getFifoSize() const { return m_fifoSize; }
        uint32_t getUnderrun() const { return m_underrun; }
        uint32_t getOverrun() const { return m_overrun; }
        uint32_t getDroppedPackets() const { return m_droppedPackets; }
        float    getLinkRate() const { return m_linkRate; }
        uint64_t getTimestamp() const { return m_timestamp; }

        static MsgReportStreamInfo* create(
                bool     success,
                bool     active,
                uint32_t fifoFilledCount,
                uint32_t fifoSize,
                uint32_t underrun,
                uint32_t overrun,
                uint32_t droppedPackets,
                float    linkRate,
                uint64_t timestamp
                )
        {
            return new MsgReportStreamInfo(
                    success,
                    active,
                    fifoFilledCount,
                    fifoSize,
                    underrun,
                    overrun,
                    droppedPackets,
                    linkRate,
                    timestamp
                    );
        }

    private:
        bool     m_success;
        // everything from lms_stream_status_t
        bool     m_active; //!< Indicates whether the stream is currently active
        uint32_t m_fifoFilledCount; //!< Number of samples in FIFO buffer
        uint32_t m_fifoSize; //!< Size of FIFO buffer
        uint32_t m_underrun; //!< FIFO underrun count
        uint32_t m_overrun; //!< FIFO overrun count
        uint32_t m_droppedPackets; //!< Number of dropped packets by HW
        float    m_linkRate; //!< Combined data rate of all stream of the same direction (TX or RX)
        uint64_t m_timestamp; //!< Current HW timestamp

        MsgReportStreamInfo(
                bool     success,
                bool     active,
                uint32_t fifoFilledCount,
                uint32_t fifoSize,
                uint32_t underrun,
                uint32_t overrun,
                uint32_t droppedPackets,
                float    linkRate,
                uint64_t timestamp
                ) :
            Message(),
            m_success(success),
            m_active(active),
            m_fifoFilledCount(fifoFilledCount),
            m_fifoSize(fifoSize),
            m_underrun(underrun),
            m_overrun(overrun),
            m_droppedPackets(droppedPackets),
            m_linkRate(linkRate),
            m_timestamp(timestamp)
        { }
    };

    class MsgStartStop : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        bool getStartStop() const { return m_startStop; }

        static MsgStartStop* create(bool startStop) {
            return new MsgStartStop(startStop);
        }

    protected:
        bool m_startStop;

        MsgStartStop(bool startStop) :
            Message(),
            m_startStop(startStop)
        { }
    };

    class MsgCalibrationResult : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        bool getSuccess() const { return m_success; }

        static MsgCalibrationResult* create(bool success) {
            return new MsgCalibrationResult(success);
        }

    protected:
        bool m_success;

        MsgCalibrationResult(bool success) :
            Message(),
            m_success(success)
        { }
    };

   class MsgSaveReplay : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        QString getFilename() const { return m_filename; }

        static MsgSaveReplay* create(const QString& filename) {
            return new MsgSaveReplay(filename);
        }

    protected:
        QString m_filename;

        MsgSaveReplay(const QString& filename) :
            Message(),
            m_filename(filename)
        { }
    };

   LimeSDRInput(DeviceAPI *deviceAPI);
    virtual ~LimeSDRInput();
    virtual void destroy();

    virtual void init();
    virtual bool start();
    virtual void stop();

    virtual QByteArray serialize() const;
    virtual bool deserialize(const QByteArray& data);

    virtual void setMessageQueueToGUI(MessageQueue *queue) { m_guiMessageQueue = queue; }
    virtual const QString& getDeviceDescription() const;
    virtual int getSampleRate() const;
    virtual void setSampleRate(int sampleRate) { (void) sampleRate; }
    virtual quint64 getCenterFrequency() const;
    virtual void setCenterFrequency(qint64 centerFrequency);

    virtual bool handleMessage(const Message& message);

    virtual int webapiSettingsGet(
                SWGSDRangel::SWGDeviceSettings& response,
                QString& errorMessage);

    virtual int webapiSettingsPutPatch(
                bool force,
                const QStringList& deviceSettingsKeys,
                SWGSDRangel::SWGDeviceSettings& response, // query + response
                QString& errorMessage);

    virtual int webapiReportGet(
            SWGSDRangel::SWGDeviceReport& response,
            QString& errorMessage);

    virtual int webapiRunGet(
            SWGSDRangel::SWGDeviceState& response,
            QString& errorMessage);

    virtual int webapiRun(
            bool run,
            SWGSDRangel::SWGDeviceState& response,
            QString& errorMessage);

    static void webapiFormatDeviceSettings(
            SWGSDRangel::SWGDeviceSettings& response,
            const LimeSDRInputSettings& settings);

    static void webapiUpdateDeviceSettings(
            LimeSDRInputSettings& settings,
            const QStringList& deviceSettingsKeys,
            SWGSDRangel::SWGDeviceSettings& response);

    std::size_t getChannelIndex();
    void getLORange(float& minF, float& maxF) const;
    void getSRRange(float& minF, float& maxF) const;
    void getLPRange(float& minF, float& maxF) const;
    uint32_t getHWLog2Decim() const;
    DeviceLimeSDRParams::LimeType getLimeType() const;

private:
    DeviceAPI *m_deviceAPI;
    QRecursiveMutex m_mutex;
    LimeSDRInputSettings m_settings;
    LimeSDRInputThread* m_limeSDRInputThread;
    QString m_deviceDescription;
    bool m_running;
    DeviceLimeSDRShared m_deviceShared;
    bool m_channelAcquired;
    lms_stream_t m_streamId;
    QNetworkAccessManager *m_networkManager;
    QNetworkRequest m_networkRequest;
    ReplayBuffer<qint16> m_replayBuffer;

    bool openDevice();
    void closeDevice();
    bool acquireChannel();
    void releaseChannel();
    void suspendRxBuddies();
    void resumeRxBuddies();
    void suspendTxBuddies();
    void resumeTxBuddies();
    bool applySettings(const LimeSDRInputSettings& settings, const QList<QString>& settingsKeys, bool force = false, bool forceNCOFrequency = false);
    void webapiFormatDeviceReport(SWGSDRangel::SWGDeviceReport& response);
    void webapiReverseSendSettings(const QList<QString>& deviceSettingsKeys, const LimeSDRInputSettings& settings, bool force);
    void webapiReverseSendStartStop(bool start);

private slots:
    void networkManagerFinished(QNetworkReply *reply);
};

#endif /* PLUGINS_SAMPLESOURCE_LIMESDRINPUT_LIMESDRINPUT_H_ */