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


#include <Swiften/Whiteboard/WhiteboardSessionManager.h>

#include <boost/bind.hpp>
#include <Swiften/Queries/IQRouter.h>
#include <Swiften/Whiteboard/WhiteboardSession.h>
#include <Swiften/Whiteboard/WhiteboardResponder.h>
#include <Swiften/Presence/PresenceOracle.h>

namespace Swift {
	WhiteboardSessionManager::WhiteboardSessionManager(IQRouter* router, PresenceOracle* presenceOracle) : router_(router), presenceOracle_(presenceOracle) {
		responder = new WhiteboardResponder(this, router);
		responder->start();
	}

	WhiteboardSessionManager::~WhiteboardSessionManager() {
		responder->stop();
		delete responder;
	}

	WhiteboardSession* WhiteboardSessionManager::getSession(const JID& to) {
		if (sessions_.find(to.toBare()) == sessions_.end()) {
			return NULL;
		}
		return sessions_[to.toBare()];
	}

	WhiteboardSession* WhiteboardSessionManager::createSession(const JID& to) {
		JID fullJID = to;
		if (fullJID.isBare()) {
			fullJID = getFullJID(fullJID);
		}
		WhiteboardSession* session = new WhiteboardSession(fullJID, router_);
		sessions_[to.toBare()] = session;
		return session;
	}

	WhiteboardSession* WhiteboardSessionManager::acceptSession(const JID& to) {
		responder->sendRequestResponse(to, true);
		WhiteboardSession* session = getSession(to);
		if (session == NULL) {
			return createSession(to);
		}
		return session;
	}

	void WhiteboardSessionManager::requestSession(const JID& to) {
		WhiteboardSession* session = createSession(to);
		session->onRequestAccepted.connect(boost::bind(&WhiteboardSessionManager::handleRequestAccepted, this, _1, _2));
		session->sendSessionRequest();
	}

	void WhiteboardSessionManager::cancelSession(const JID& to) {
		responder->sendRequestResponse(to, false);
	}

	void WhiteboardSessionManager::handleRequestAccepted(const JID& contact, WhiteboardSession* session) {
		onRequestAccepted(contact, session);
	}

	JID WhiteboardSessionManager::getFullJID(const JID& bareJID) {
		std::vector<Presence::ref> presences = presenceOracle_->getAllPresence(bareJID);
		return presences[0]->getFrom();
	}
}