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

//#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/bind.hpp>
//#include <boost/filesystem.hpp>
#include <iostream>

#include <Swiften/Client/Client.h>
#include <Swiften/Base/Log.h>
#include <Swiften/Elements/Presence.h>
//#include <Swiften/Network/BoostTimer.h>
//#include <Swiften/Network/TimerFactory.h>
#include <Swiften/Network/BoostNetworkFactories.h>
//#include <Swiften/EventLoop/EventLoop.h>
#include <Swiften/Client/ClientXMLTracer.h>
#include <Swiften/EventLoop/SimpleEventLoop.h>
//#include <Swiften/FileTransfer/OutgoingSIFileTransfer.h>
//#include <Swiften/FileTransfer/FileReadBytestream.h>
//#include <Swiften/FileTransfer/SOCKS5BytestreamServer.h>
//#include <Swiften/Network/BoostConnectionServer.h>
//#include <Swiften/FileTransfer/OutgoingScreenSharingManager.h>
#include <Swiften/ScreenSharing/OutgoingScreenSharing.h>
//#include <Swiften/Jingle/JingleSessionManager.h>
#include <Swiften/Disco/EntityCapsManager.h>
//#include <Swiften/FileTransfer/DefaultLocalJingleTransportCandidateGeneratorFactory.h>
//#include <Swiften/FileTransfer/DefaultRemoteJingleTransportCandidateSelectorFactory.h>
//#include <Swiften/Base/ByteArray.h>
//#include <Swiften/StringCodecs/MD5.h>
//#include <Swiften/StringCodecs/SHA1.h>
//#include <Swiften/StringCodecs/Hexify.h>
#include <Swiften/ScreenSharing/ScreenSharingManager.h>
#include <Swiften/ScreenSharing/Image.h>

using namespace Swift;

SimpleEventLoop eventLoop;
BoostNetworkFactories networkFactories(&eventLoop);

int exitCode = 2;

class ScreenSharer {
	public:
		ScreenSharer(const JID& jid, const std::string& password, const JID& recipient)
			: jid(jid), password(password), recipient(recipient)
		{
			client = new Swift::Client(jid, password, &networkFactories);
			client->onConnected.connect(boost::bind(&ScreenSharer::handleConnected, this));
			client->onDisconnected.connect(boost::bind(&ScreenSharer::handleDisconnected, this, _1));
			tracer = new ClientXMLTracer(client);
			client->getEntityCapsProvider()->onCapsChanged.connect(boost::bind(&ScreenSharer::handleCapsChanged, this, _1));
		}

		~ScreenSharer() {
			delete tracer;
			client->onDisconnected.disconnect(boost::bind(&ScreenSharer::handleDisconnected, this, _1));
			client->onConnected.disconnect(boost::bind(&ScreenSharer::handleConnected, this));
			delete client;
		}

		void start() {
			ClientOptions options;
			options.useTLS = ClientOptions::NeverUseTLS;
			client->connect(options);
		}

	private:
		void handleConnected() {
			client->sendPresence(Presence::create());
		}

		void handleCapsChanged(JID jid) {
			if (jid.toBare() == recipient.toBare() || jid == recipient) {
				std::cout << "Recipient found" << std::endl;
				outgoingScreenSharing = client->getScreenSharingManager()->createOutgoingScreenSharing(recipient);

				if (outgoingScreenSharing) {
					client->getEntityCapsProvider()->onCapsChanged.disconnect(boost::bind(&ScreenSharer::handleCapsChanged, this, _1));
					std::cout << "started screen sharing" << std::endl;
					outgoingScreenSharing->onReady.connect(boost::bind(&ScreenSharer::handleRTPReady, this));
					outgoingScreenSharing->onFinished.connect(boost::bind(&ScreenSharer::handleScreenSharingFinished, this));
					outgoingScreenSharing->start(200, 200);
				} else {
					std::cout << "[ ERROR ] " << recipient << " doesn't support any kind of screen sharing!" << std::endl;
					//client->disconnect();
				}
			}
		}

		void handleRTPReady() {
			uint8_t data[200*200*3];
			data[0] = 0;
			data[1] = 128;
			data[2] = 255;
			Image img(200, 200, (const uint8_t*)data);
			for (int i = 0; i < 10; ++i)
				outgoingScreenSharing->addImage(img);
			outgoingScreenSharing->stop();

		}

		void handleDisconnected(const boost::optional<ClientError>&) {
			std::cerr << "Error!" << std::endl;
			exit(-1);
		}

		void handleScreenSharingFinished() {
			std::cout << "Screen sharing finished" << std::endl;
			exit(0);
		}

		void exit(int code) {
			exitCode = code;
			eventLoop.stop();
		}

	private:
		OutgoingScreenSharing::ref outgoingScreenSharing;
		JID jid;
		std::string password;
		JID recipient;
		Client* client;
		ClientXMLTracer* tracer;
};


int main(int argc, char* argv[]) {
	if (argc < 4) {
		std::cerr << "Usage: " << argv[0] << " <jid> <password> <recipient>" << std::endl;
		return -1;
	}

	JID sender(argv[1]);
	JID recipient(argv[3]);
	Swift::logging = true;
	ScreenSharer screenSharer(sender, std::string(argv[2]), recipient);
	screenSharer.start();

	eventLoop.run();

	return exitCode;
}