//
// PeerNode.cs
//
// Author:
//	Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2005,2009 Novell, Inc.  http://www.novell.com
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Net;
using System.Net.Sockets;
using System.ServiceModel.Channels;

namespace System.ServiceModel
{
	public abstract class PeerNode : IOnlineStatus
	{
		internal PeerNode (string meshId, int port)
		{
			MeshId = meshId;
			Port = port;
		}

		public event EventHandler Offline;
		public event EventHandler Online;

		public bool IsOnline { get; internal set; }

		internal string MeshId { get; private set; }

		internal ulong NodeId { get; set; }

		internal bool IsOpen {
			get { return RegisteredId != null; }
		}

		internal object RegisteredId { get; set; }

		public int Port { get; private set; }

		public abstract PeerMessagePropagationFilter MessagePropagationFilter { get; set; }

		public void RefreshConnection ()
		{
		}

		public override string ToString ()
		{
			return String.Format ("MeshId: {0}, Node ID: {1}, Online: {2}, Opened:{3}, Port: {4}", MeshId, NodeId, IsOnline, IsOpen, Port);
		}

		internal void SetOnline ()
		{
			IsOnline = true;
			if (Online != null)
				Online (this, EventArgs.Empty);
		}

		internal void SetOffline ()
		{
			IsOnline = false;
			if (Offline != null)
				Offline (this, EventArgs.Empty);
		}
	}

	internal class PeerNodeImpl : PeerNode
	{
		class NodeInfo
		{
			public int Id { get; set; }
			public PeerNodeAddress Address { get; set; }
		}

		internal PeerNodeImpl (string meshId, IPAddress fixedListenAddress, int port)
			: base (meshId, port)
		{
			this.listen_address = fixedListenAddress ?? IPAddress.Any;
		}

		IPAddress listen_address;

		// FIXME: implement
		public override PeerMessagePropagationFilter MessagePropagationFilter { get; set; }
	}
}