/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
//
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
//
/*
*   Copyright (C) 2015-2020 by Jonathan Naylor G4KLX
*   Copyright (C) 2017-2022 by Bryan Biedenkapp N2PLL
*
*   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; either version 2 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 for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program; if not, write to the Free Software
*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(__NXDN_PACKET_VOICE_H__)
#define __NXDN_PACKET_VOICE_H__

#include "Defines.h"
#include "nxdn/Control.h"
#include "network/BaseNetwork.h"

#include <cstdio>
#include <string>

namespace nxdn
{
    // ---------------------------------------------------------------------------
    //  Class Prototypes
    // ---------------------------------------------------------------------------
    
    namespace packet { class HOST_SW_API Data; }
    class HOST_SW_API Control;

    namespace packet
    {
        // ---------------------------------------------------------------------------
        //  Class Declaration
        //      This class implements handling logic for NXDN voice packets.
        // ---------------------------------------------------------------------------

        class HOST_SW_API Voice {
        public:
            /// <summary>Resets the data states for the RF interface.</summary>
            virtual void resetRF();
            /// <summary>Resets the data states for the network.</summary>
            virtual void resetNet();

            /// <summary>Process a data frame from the RF interface.</summary>
            virtual bool process(uint8_t usc, uint8_t option, uint8_t* data, uint32_t len);
            /// <summary>Process a data frame from the network.</summary>
            virtual bool processNetwork(uint8_t usc, uint8_t option, lc::LC& netLC, uint8_t* data, uint32_t len);

        protected:
            friend class packet::Data;
            friend class nxdn::Control;
            Control* m_nxdn;

            network::BaseNetwork* m_network;

            uint32_t m_rfFrames;
            uint32_t m_rfBits;
            uint32_t m_rfErrs;
            uint32_t m_rfUndecodableLC;
            uint32_t m_netFrames;
            uint32_t m_netLost;

            uint16_t m_lastRejectId;

            uint32_t m_silenceThreshold;

            bool m_verbose;
            bool m_debug;

            /// <summary>Initializes a new instance of the Voice class.</summary>
            Voice(Control* nxdn, network::BaseNetwork* network, bool debug, bool verbose);
            /// <summary>Finalizes a instance of the Voice class.</summary>
            virtual ~Voice();

            /// <summary>Write data processed from RF to the network.</summary>
            void writeNetwork(const uint8_t* data, uint32_t len);
        };
    } // namespace packet
} // namespace nxdn

#endif // __NXDN_PACKET_VOICE_H__