#pragma once

//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// urfd -- The universal reflector
// Copyright © 2021 Thomas A. Early N7TAE
//
// 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 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include "Callsign.h"
#include "Packet.h"

////////////////////////////////////////////////////////////////////////////////////////
// implementation details

//#define IMPLEMENT_CDVHEADERPACKET_CONST_CHAR_OPERATOR

////////////////////////////////////////////////////////////////////////////////////////
// typedef & structures

struct __attribute__ ((__packed__))dstar_header
{
	// flags
	uint8_t	Flag1;
	uint8_t	Flag2;
	uint8_t	Flag3;
	// callsigns
	uint8_t	RPT2[CALLSIGN_LEN];
	uint8_t	RPT1[CALLSIGN_LEN];
	uint8_t	UR[CALLSIGN_LEN];
	uint8_t	MY[CALLSIGN_LEN];
	uint8_t	SUFFIX[CALLSUFFIX_LEN];
	// crc
	uint16_t  Crc;
};


////////////////////////////////////////////////////////////////////////////////////////
// class

class CDvHeaderPacket : public CPacket
{
public:
	// constructor
	CDvHeaderPacket();
	CDvHeaderPacket(const struct dstar_header *, uint16_t, uint8_t);
	CDvHeaderPacket(uint32_t, const CCallsign &, const CCallsign &, const CCallsign &, uint16_t, uint8_t, uint8_t);
	CDvHeaderPacket(const CCallsign &, const CCallsign &, const CCallsign &, const CCallsign &, uint16_t, uint8_t);
	CDvHeaderPacket(const CCallsign &, const CCallsign &, const CCallsign &, const CCallsign &, uint16_t, bool);
	CDvHeaderPacket(const CM17Packet &);

	// network
	CDvHeaderPacket(const CBuffer &buf);
	static unsigned int GetNetworkSize();
	void EncodeInterlinkPacket(CBuffer &buf) const;

	// identity
	std::unique_ptr<CPacket> Copy(void);
	bool IsDvHeader(void) const                     { return true; }
	bool IsDvFrame(void) const                     { return false; }

	// conversion
	void ConvertToDstarStruct(struct dstar_header *) const;

	// get valid
	bool IsValid(void) const;

	// get callsigns
	const CCallsign &GetUrCallsign(void) const      { return m_csUR; }
	const CCallsign &GetRpt1Callsign(void) const    { return m_csRPT1; }
	const CCallsign &GetRpt2Callsign(void) const    { return m_csRPT2; }
	const CCallsign &GetMyCallsign(void) const      { return m_csMY; }

	// get modules
	char GetUrModule(void) const                    { return m_csUR.GetCSModule(); }
	char GetRpt1Module(void) const                  { return m_csRPT1.GetCSModule(); }
	char GetRpt2Module(void) const                  { return m_csRPT2.GetCSModule(); }
	char GetMyModule(void) const                    { return m_csMY.GetCSModule(); }

	// set callsigns
	void SetRpt2Callsign(const CCallsign &cs)       { m_csRPT2 = cs; }
	void SetRpt2Module(char c)                      { m_csRPT2.SetCSModule(c); }

protected:
	// data
	uint8_t     m_uiFlag1;
	uint8_t     m_uiFlag2;
	uint8_t     m_uiFlag3;
	CCallsign   m_csUR;
	CCallsign   m_csRPT1;
	CCallsign   m_csRPT2;
	CCallsign   m_csMY;
	uint16_t    m_uiCrc;
};