///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
// written by Christian Daniel                                                   //
// Copyright (C) 2016-2020 Edouard Griffiths, F4EXB <f4exb06@gmail.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_CHANNELTX_MODMESHTASTIC_MESHTASTICMODENCODER_H_
#define PLUGINS_CHANNELTX_MODMESHTASTIC_MESHTASTICMODENCODER_H_

#include <vector>
#include "meshtasticmodsettings.h"

class MeshtasticModEncoder
{
public:
    MeshtasticModEncoder();
    ~MeshtasticModEncoder();

    void setNbSymbolBits(unsigned int spreadFactor, unsigned int deBits);
    void setLoRaParityBits(unsigned int parityBits) { m_nbParityBits = parityBits; }
    void encodeBytes(const QByteArray& bytes, std::vector<unsigned short>& symbols);
    void encode(MeshtasticModSettings settings, std::vector<unsigned short>& symbols);

private:
    // LoRa functions
    void encodeBytesLoRa(const QByteArray& bytes, std::vector<unsigned short>& symbols);

    // General attributes
    static const MeshtasticModSettings::CodingScheme m_codingScheme;
    unsigned int m_spreadFactor;
    unsigned int m_deBits;
    unsigned int m_nbSymbolBits;
    // LoRa attributes
    unsigned int m_nbParityBits; //!< 1 to 4 Hamming FEC bits for 4 payload bits
    static const bool m_hasCRC;
    static const bool m_hasHeader;
};

#endif // PLUGINS_CHANNELTX_MODMESHTASTIC_MESHTASTICMODENCODER_H_