///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019-2020 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 "loramodsettings.h"

#include <QColor>

#include "dsp/dspengine.h"
#include "util/simpleserializer.h"
#include "settings/serializable.h"
#include "loramodsettings.h"

const int LoRaModSettings::bandwidths[] = {7813, 10417, 15625, 20833, 31250, 41667, 62500, 125000, 250000, 500000};
const int LoRaModSettings::nbBandwidths = 10;
const int LoRaModSettings::oversampling = 4;

LoRaModSettings::LoRaModSettings() :
    m_inputFrequencyOffset(0),
    m_channelMarker(0)
{
    resetToDefaults();
}

void LoRaModSettings::resetToDefaults()
{
    m_bandwidthIndex = 5;
    m_spreadFactor = 7;
    m_deBits = 0;
    m_preambleChirps = 8;
    m_quietMillis = 1000;
    m_message = "LoRa beacon";
    m_syncWord = 0x34;
    m_channelMute = false;
    m_rgbColor = QColor(255, 0, 255).rgb();
    m_title = "LoRa Modulator";
    m_streamIndex = 0;
    m_useReverseAPI = false;
    m_reverseAPIAddress = "127.0.0.1";
    m_reverseAPIPort = 8888;
    m_reverseAPIDeviceIndex = 0;
    m_reverseAPIChannelIndex = 0;

}

QByteArray LoRaModSettings::serialize() const
{
    SimpleSerializer s(1);
    s.writeS32(1, m_inputFrequencyOffset);
    s.writeS32(2, m_bandwidthIndex);
    s.writeS32(3, m_spreadFactor);
    s.writeString(4, m_message);

    if (m_channelMarker) {
        s.writeBlob(5, m_channelMarker->serialize());
    }

    s.writeString(6, m_title);
    s.writeS32(7, m_deBits);
    s.writeBool(8, m_channelMute);
    s.writeU32(9, m_syncWord);
    s.writeS32(10, m_preambleChirps);
    s.writeS32(11, m_quietMillis);
    s.writeBool(12, m_useReverseAPI);
    s.writeString(13, m_reverseAPIAddress);
    s.writeU32(14, m_reverseAPIPort);
    s.writeU32(15, m_reverseAPIDeviceIndex);
    s.writeU32(16, m_reverseAPIChannelIndex);

    return s.final();
}

bool LoRaModSettings::deserialize(const QByteArray& data)
{
    SimpleDeserializer d(data);

    if(!d.isValid())
    {
        resetToDefaults();
        return false;
    }

    if(d.getVersion() == 1)
    {
        QByteArray bytetmp;
        unsigned int utmp;

        d.readS32(1, &m_inputFrequencyOffset, 0);
        d.readS32(2, &m_bandwidthIndex, 0);
        d.readS32(3, &m_spreadFactor, 0);
        d.readString(4, &m_message, "LoRa beacon");

        if (m_channelMarker)
        {
            d.readBlob(5, &bytetmp);
            m_channelMarker->deserialize(bytetmp);
        }

        d.readString(6, &m_title, "LoRa Demodulator");
        d.readS32(7, &m_deBits, 0);
        d.readBool(8, &m_channelMute, false);
        d.readU32(9, &utmp, 0x34);
        m_syncWord = utmp > 255 ? 0 : utmp;
        d.readS32(10, &m_preambleChirps, 8);
        d.readS32(11, &m_quietMillis, 1000);
        d.readBool(11, &m_useReverseAPI, false);
        d.readString(12, &m_reverseAPIAddress, "127.0.0.1");
        d.readU32(13, &utmp, 0);

        if ((utmp > 1023) && (utmp < 65535)) {
            m_reverseAPIPort = utmp;
        } else {
            m_reverseAPIPort = 8888;
        }

        d.readU32(14, &utmp, 0);
        m_reverseAPIDeviceIndex = utmp > 99 ? 99 : utmp;
        d.readU32(15, &utmp, 0);
        m_reverseAPIChannelIndex = utmp > 99 ? 99 : utmp;

        return true;
    }
    else
    {
        resetToDefaults();
        return false;
    }
}