/*
 * Copyright (c) 2010 Remko Tronçon
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */

#include <Swiften/LinkLocal/IncomingLinkLocalSession.h>

#include <boost/bind.hpp>

#include <Swiften/Elements/ProtocolHeader.h>
#include <Swiften/Network/Connection.h>
#include <Swiften/StreamStack/StreamStack.h>
#include <Swiften/StreamStack/ConnectionLayer.h>
#include <Swiften/StreamStack/XMPPLayer.h>
#include <Swiften/Elements/StreamFeatures.h>
#include <Swiften/Elements/IQ.h>

namespace Swift {

IncomingLinkLocalSession::IncomingLinkLocalSession(
		const JID& localJID,
		boost::shared_ptr<Connection> connection, 
		PayloadParserFactoryCollection* payloadParserFactories, 
		PayloadSerializerCollection* payloadSerializers) :
			Session(connection, payloadParserFactories, payloadSerializers),
			initialized(false) {
	setLocalJID(localJID);
}

void IncomingLinkLocalSession::handleStreamStart(const ProtocolHeader& incomingHeader) {
	setRemoteJID(JID(incomingHeader.getFrom()));
	if (!getRemoteJID().isValid()) {
		finishSession();
		return;
	}

	ProtocolHeader header;
	header.setFrom(getLocalJID());
	getXMPPLayer()->writeHeader(header);

	if (incomingHeader.getVersion() == "1.0") {
		getXMPPLayer()->writeElement(boost::shared_ptr<StreamFeatures>(new StreamFeatures()));
	}
	else {
		setInitialized();
	}
}

void IncomingLinkLocalSession::handleElement(boost::shared_ptr<Element> element) {
	boost::shared_ptr<Stanza> stanza = boost::dynamic_pointer_cast<Stanza>(element);
	// If we get our first stanza before streamfeatures, our session is implicitly
	// initialized
	if (stanza && !isInitialized()) {
		setInitialized();
	}
	
	onElementReceived(element);
}

void IncomingLinkLocalSession::setInitialized() {
	initialized = true;
	onSessionStarted();
}



}