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

#pragma once

#include <Swiften/Network/UDPSocket.h>
#include <Swiften/EventLoop/EventOwner.h>
//#include <Swiften/Base/SafeByteArray.h>

#include <boost/asio/io_service.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/thread/mutex.hpp>

namespace boost {
	class thread;
	namespace system {
		class error_code;
	}
}

namespace Swift {
	class EventLoop;
	class HostAddressPort;

	class BoostUDPSocket : public UDPSocket, public EventOwner, public boost::enable_shared_from_this<BoostUDPSocket> {
		public:
			typedef boost::shared_ptr<BoostUDPSocket> ref;

			virtual ~BoostUDPSocket();

			static ref create(boost::shared_ptr<boost::asio::io_service> ioService, EventLoop* eventLoop) {
				return ref(new BoostUDPSocket(ioService, eventLoop));
			}

			virtual void bind(int port);
			virtual void listen();
			virtual void connect(const HostAddressPort& address);
			virtual void connectToFirstIncoming();
			virtual void send(const SafeByteArray& data);
			virtual void close();

			boost::asio::ip::udp::socket& getSocket() {
				return socket_;
			}

		private:
			BoostUDPSocket(boost::shared_ptr<boost::asio::io_service> ioService, EventLoop* eventLoop);

			void handleSocketRead(const boost::system::error_code& error, size_t bytesTransferred);
			void handleFirstRead(const boost::system::error_code& error);
			void handleDataWritten(const boost::system::error_code& error);
			void doRead();
			void doSend(const SafeByteArray& data);

		private:
			EventLoop* eventLoop;
			boost::shared_ptr<boost::asio::io_service> ioService;
			boost::asio::ip::udp::socket socket_;
			boost::shared_ptr<SafeByteArray> readBuffer_;
			boost::mutex sendMutex_;
			bool sending_;
			SafeByteArray sendQueue_;
			boost::asio::ip::udp::endpoint remoteEndpoint_;

	};
}