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

#include <Swiften/Parser/PayloadParsers/JingleRawUDPTransportPayloadParser.h>

#include <boost/lexical_cast.hpp>
#include <boost/optional.hpp>

namespace Swift {

JingleRawUDPTransportPayloadParser::JingleRawUDPTransportPayloadParser() : level(0) {

}

void JingleRawUDPTransportPayloadParser::handleStartElement(const std::string& element, const std::string&, const AttributeMap& attributes) {
	if (level == 1 && element == "candidate") {
		JingleRawUDPTransportPayload::Candidate candidate;

		// component
		try {
			candidate.component = boost::numeric_cast<boost::uint8_t>(boost::lexical_cast<int>(attributes.getAttributeValue("component").get_value_or("0")));
		} catch(boost::bad_lexical_cast &) { }
		// generation
		try {
			candidate.generation = boost::numeric_cast<boost::uint8_t>(boost::lexical_cast<int>(attributes.getAttributeValue("generation").get_value_or("0")));
		} catch(boost::bad_lexical_cast &) { }
		// id
		candidate.cid = attributes.getAttributeValue("id").get_value_or("");
		// ip/port
		int port = -1;
		try {
			port = boost::lexical_cast<int>(attributes.getAttributeValue("port").get_value_or("0"));
		} catch(boost::bad_lexical_cast &) { }
		candidate.hostAddressPort = HostAddressPort(HostAddress(attributes.getAttributeValue("ip").get_value_or("")), port);
		// type
		candidate.type = stringToType(attributes.getAttributeValue("type").get_value_or(""));

		getPayloadInternal()->addCandidate(candidate);
	}

	++level;
}

void JingleRawUDPTransportPayloadParser::handleEndElement(const std::string&, const std::string&) {
	--level;
}

void JingleRawUDPTransportPayloadParser::handleCharacterData(const std::string&) {

}

JingleRawUDPTransportPayload::Candidate::Type JingleRawUDPTransportPayloadParser::stringToType(const std::string &str) const {
	if (str == "host") {
		return JingleRawUDPTransportPayload::Candidate::Host;
	} else if (str == "prflx") {
		return JingleRawUDPTransportPayload::Candidate::PeerReflected;
	} else if (str == "relay") {
		return JingleRawUDPTransportPayload::Candidate::Relayed;
	} else if (str == "srflx") {
		return JingleRawUDPTransportPayload::Candidate::ServerReflected;
	} else {
		return JingleRawUDPTransportPayload::Candidate::Unknown;
	}
}

}