/*
 * Copyright (c) 2012 Yoann Blein
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#include <Swiften/Serializer/PayloadSerializers/JingleRawUDPTransportPayloadSerializer.h>

#include <boost/smart_ptr/make_shared.hpp>
#include <boost/lexical_cast.hpp>

#include <Swiften/Base/foreach.h>
#include <Swiften/Serializer/XML/XMLElement.h>

namespace Swift {

JingleRawUDPTransportPayloadSerializer::JingleRawUDPTransportPayloadSerializer() {
}

std::string JingleRawUDPTransportPayloadSerializer::serializePayload(boost::shared_ptr<JingleRawUDPTransportPayload> payload) const {
	XMLElement payloadXML("transport", "urn:xmpp:jingle:transports:raw-udp:1");

	foreach (JingleRawUDPTransportPayload::Candidate candidate, payload->getCandidates()) {
		boost::shared_ptr<XMLElement> candidateXML = boost::make_shared<XMLElement>("candidate");
		candidateXML->setAttribute("component", boost::lexical_cast<std::string>(static_cast<int>(candidate.component)));
		candidateXML->setAttribute("generation", boost::lexical_cast<std::string>(static_cast<int>(candidate.generation)));
		candidateXML->setAttribute("id", candidate.cid);
		candidateXML->setAttribute("ip", candidate.hostAddressPort.getAddress().toString());
		candidateXML->setAttribute("port", boost::lexical_cast<std::string>(candidate.hostAddressPort.getPort()));
		if (candidate.type != JingleRawUDPTransportPayload::Candidate::Unknown)
			candidateXML->setAttribute("type", typeToString(candidate.type));
		payloadXML.addNode(candidateXML);
	}

	return payloadXML.serialize();
}

std::string JingleRawUDPTransportPayloadSerializer::typeToString(JingleRawUDPTransportPayload::Candidate::Type type) const {
	switch (type) {
		case JingleRawUDPTransportPayload::Candidate::Unknown:
			return "";
		case JingleRawUDPTransportPayload::Candidate::Host:
			return "host";
		case JingleRawUDPTransportPayload::Candidate::PeerReflected:
			return "prflx";
		case JingleRawUDPTransportPayload::Candidate::Relayed:
			return "relay";
		case JingleRawUDPTransportPayload::Candidate::ServerReflected:
			return "srflx";
	}
	assert(false);
	return "";
}

}