///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2020 Jon Beniston, M7RCE                                        //
//                                                                               //
// 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 INCLUDE_ADSBDEMODSINKWORKER_H
#define INCLUDE_ADSBDEMODSINKWORKER_H

#include <QObject>
#include <QThread>

#include "dsp/dsptypes.h"
#include "util/crc.h"
#include "util/message.h"
#include "util/messagequeue.h"
#include "adsbdemodstats.h"

class ADSBDemodSink;
struct ADSBDemodSettings;
struct ADSBDemodStats;

class ADSBDemodSinkWorker : public QThread {
    Q_OBJECT
public:

    class MsgConfigureADSBDemodSinkWorker : public Message {
        MESSAGE_CLASS_DECLARATION

    public:
        const ADSBDemodSettings& getSettings() const { return m_settings; }
        bool getForce() const { return m_force; }

        static MsgConfigureADSBDemodSinkWorker* create(const ADSBDemodSettings& settings, bool force)
        {
            return new MsgConfigureADSBDemodSinkWorker(settings, force);
        }

    private:
        ADSBDemodSettings m_settings;
        bool m_force;

        MsgConfigureADSBDemodSinkWorker(const ADSBDemodSettings& settings, bool force) :
            Message(),
            m_settings(settings),
            m_force(force)
        { }
    };

    ADSBDemodSinkWorker(ADSBDemodSink *sink) :
        m_sink(sink),
        m_demodStats(),
        m_correlationThresholdLinear(0.02f),
        m_crc()
    {
    }
    void run() override;
    MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }

private:
    void handleInputMessages();
    MessageQueue m_inputMessageQueue;
    ADSBDemodSettings m_settings;
    ADSBDemodSink *m_sink;
    ADSBDemodStats m_demodStats;
    Real m_correlationThresholdLinear;
    Real m_correlationScale;
    crcadsb m_crc;                      //!< Have as member to avoid recomputing LUT
    QHash<int, bool> m_icaos;           //!< ICAO addresses that have been received

    QDateTime rxDateTime(int firstIdx, int readBuffer) const;

};

#endif // INCLUDE_ADSBDEMODSINKWORKER_H