/**************************************************************************************
 * Copyright (c) 2016, Tomoaki Yamaguchi
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *   http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *    Tomoaki Yamaguchi - initial API and implementation and/or initial documentation
 **************************************************************************************/

#include "MQTTGWSubscribeHandler.h"
#include "MQTTGWPacket.h"

using namespace std;
using namespace MQTTSNGW;

MQTTGWSubscribeHandler::MQTTGWSubscribeHandler(Gateway* gateway)
{
	_gateway = gateway;
}

MQTTGWSubscribeHandler::~MQTTGWSubscribeHandler()
{

}

void MQTTGWSubscribeHandler::handleSuback(Client* client, MQTTGWPacket* packet)
{
	uint16_t msgId;
	uint8_t rc;
	uint8_t returnCode;
	int qos = 0;

	packet->getSUBACK(&msgId, &rc);
	uint16_t topicId = client->getWaitedSubTopicId(msgId);

	if (topicId)
	{
		MQTTSNPacket* snPacket = new MQTTSNPacket();
		client->eraseWaitedSubTopicId(msgId);

		if (rc == 0x80)
		{
			returnCode = MQTTSN_RC_REJECTED_INVALID_TOPIC_ID;
		}
		else
		{
			returnCode = MQTTSN_RC_ACCEPTED;
			qos = rc;
		}
		snPacket->setSUBACK(qos, topicId, msgId, returnCode);
		Event* evt = new Event();
		evt->setClientSendEvent(client, snPacket);
		_gateway->getClientSendQue()->post(evt);
	}
}

void MQTTGWSubscribeHandler::handleUnsuback(Client* client, MQTTGWPacket* packet)
{
	Ack ack;
	packet->getAck(&ack);
	MQTTSNPacket* snPacket = new MQTTSNPacket();
	snPacket->setUNSUBACK(ack.msgId);
	Event* evt = new Event();
	evt->setClientSendEvent(client, snPacket);
	_gateway->getClientSendQue()->post(evt);
}