//
//  ccallsignlistitem.cpp
//  m17ref
//
//  Created by Jean-Luc Deltombe (LX3JL) on 31/01/2016.
//  Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//  Copyright © 2020,2022 Thomas A. Early N7TAE
//
// ----------------------------------------------------------------------------
//    This file is part of m17ref.
//
//    m17ref 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.
//
//    m17ref 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
//    with this software.  If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------

#include <string.h>

#include "Configure.h"
#include "InterlinkMapItem.h"
#include "Reflector.h"

////////////////////////////////////////////////////////////////////////////////////////
// constructor
#ifdef NO_DHT
CInterlinkMapItem::CInterlinkMapItem()
{
	m_UsesDHT = false;
}
#else
CInterlinkMapItem::CInterlinkMapItem()
{
	m_UsesDHT = false;
	m_Updated = false;
}
#endif

#ifndef NO_DHT
CInterlinkMapItem::CInterlinkMapItem(const char *mods)
{
	m_UsesDHT = true;
	m_Updated = false;
	m_Mods.assign(mods);
}
#endif

CInterlinkMapItem::CInterlinkMapItem(const char *addr, const char *mods, uint16_t port) : CInterlinkMapItem()
{
	m_Mods.assign(mods);
	m_Ip.Initialize(strchr(addr, ':') ? AF_INET6 : AF_INET, port, addr);
}

////////////////////////////////////////////////////////////////////////////////////////
// compare

bool CInterlinkMapItem::HasModuleListed(char module) const
{
	return m_Mods.npos != m_Mods.find(module);
}

bool CInterlinkMapItem::HasSameIp(const CIp &ip)
{
	return ip == m_Ip;
}

bool CInterlinkMapItem::CheckListedModules(const char *mods) const
{
	if (mods == nullptr)
		return false;

	// make sure every mods character is matched in m_Mods
	const auto count = m_Mods.size();
	bool found[count];
	for (unsigned i=0; i<count; i++)
		found[i] = false;
	for (auto p=mods; *p; p++)
	{
		auto pos = m_Mods.find(*p);
		if (pos == m_Mods.npos)
			return false;
		else
			found[pos] = true;
	}
	for (unsigned i=0; i<count; i++)
	{
		if (! found[i])
			return false;
	}
	return true;
}

#ifndef NO_DHT
void CInterlinkMapItem::UpdateItem(const std::string &cmods, const std::string &ipv4, const std::string &ipv6, uint16_t port, const std::string &tcmods)
{
	if (m_CMods.compare(cmods))
	{
		m_CMods.assign(cmods);
		m_Updated = true;
	}
	if (m_IPv4.compare(ipv4))
	{
		m_IPv4.assign(ipv4);
		m_Updated = true;
	}
	if (m_IPv6.compare(ipv6))
	{
		m_IPv6.assign(ipv6);
		m_Updated = true;
	}
	if (m_Port != port)
	{
		m_Port = port;
		m_Updated = true;
	}
	if (m_TCMods.compare(tcmods))
	{
		m_TCMods.assign(tcmods);
		m_Updated = true;
	}
}

void CInterlinkMapItem::UpdateIP(bool IPv6NotConfigured)
{
	if (m_Updated)
	{
		if (IPv6NotConfigured || m_IPv6.empty())
			m_Ip.Initialize(AF_INET,  m_Port, m_IPv4.c_str());
		else
			m_Ip.Initialize(AF_INET6, m_Port, m_IPv6.c_str());

		m_Updated = false;
	}
}
#endif