//
// System.Net.Security.NegotiateStream.cs
//
// Authors:
//	Tim Coleman (tim@timcoleman.com)
//
// Copyright (C) Tim Coleman, 2004
// (c) 2004 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.IO;
using System.Net;
using System.Security.Principal;
using System.Security.Permissions;
using System.Security.Authentication.ExtendedProtection;
using System.Threading;
using System.Threading.Tasks;

namespace System.Net.Security 
{
	public class NegotiateStream : AuthenticatedStream
	{
		#region Fields

		int readTimeout;
		int writeTimeout;

		#endregion // Fields

		#region Constructors

		[MonoTODO]
		public NegotiateStream (Stream innerStream)
			: base (innerStream, false)
		{
		}

		[MonoTODO]
		public NegotiateStream (Stream innerStream, bool leaveInnerStreamOpen)
			: base (innerStream, leaveInnerStreamOpen)
		{
		}

		#endregion // Constructors

		#region Properties

		public override bool CanRead {
			get { return InnerStream.CanRead; }
		}

		public override bool CanSeek {
			get { return InnerStream.CanSeek; }
		}

		[MonoTODO]
		public override bool CanTimeout {
			get { throw new NotImplementedException (); }
		}

		public override bool CanWrite {
			get { return InnerStream.CanWrite; }
		}

		[MonoTODO]
		public virtual TokenImpersonationLevel ImpersonationLevel {
			get { throw new NotImplementedException (); }
		}

		[MonoTODO]
		public override bool IsAuthenticated { 
			get { throw new NotImplementedException (); }
		}

		[MonoTODO]
		public override bool IsEncrypted { 
			get { throw new NotImplementedException (); }
		}

		[MonoTODO]
		public override bool IsMutuallyAuthenticated { 
			get { throw new NotImplementedException (); }
		}

		[MonoTODO]
		public override bool IsServer { 
			get { throw new NotImplementedException (); }
		}

		[MonoTODO]
		public override bool IsSigned { 
			get { throw new NotImplementedException (); }
		}

		public override long Length {
			get { return InnerStream.Length; }
		}

		public override long Position {
			get { return InnerStream.Position; }
			set { InnerStream.Position = value; }
		}

		public override int ReadTimeout {
			get { return readTimeout; }
			set { readTimeout = value; }
		}

		[MonoTODO]	
		public virtual IIdentity RemoteIdentity {
			get { throw new NotImplementedException (); }
		}

		public override int WriteTimeout {
			get { return writeTimeout; }
			set { writeTimeout = value; }
		}

		#endregion // Properties

		#region Methods

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsClient (AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsClient (NetworkCredential credential, ChannelBinding binding, string targetName, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsClient (NetworkCredential credential, string targetName, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsClient (NetworkCredential credential, string targetName, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel allowedImpersonationLevel, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsClient (NetworkCredential credential, ChannelBinding binding, string targetName, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel allowedImpersonationLevel, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override IAsyncResult BeginRead (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsServer (AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsServer (NetworkCredential credential, ExtendedProtectionPolicy policy, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel requiredImpersonationLevel, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsServer (NetworkCredential credential, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel requiredImpersonationLevel, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual IAsyncResult BeginAuthenticateAsServer (ExtendedProtectionPolicy policy, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override IAsyncResult BeginWrite (byte[] buffer, int offset, int count, AsyncCallback asyncCallback, object asyncState)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsClient ()
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsClient (NetworkCredential credential, string targetName)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsClient (NetworkCredential credential, ChannelBinding binding, string targetName)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsClient (NetworkCredential credential, ChannelBinding binding, string targetName, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel allowedImpersonationLevel)
 		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsClient (NetworkCredential credential, string targetName, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel allowedImpersonationLevel)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsServer ()
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsServer (ExtendedProtectionPolicy policy)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsServer (NetworkCredential credential, ExtendedProtectionPolicy policy, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel requiredImpersonationLevel)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void AuthenticateAsServer (NetworkCredential credential, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel requiredImpersonationLevel)
		{
			throw new NotImplementedException ();
		}
		
		[MonoTODO]
		protected override void Dispose (bool disposing)
		{
			if (disposing){
				// TODO
			}
		}

		[MonoTODO]
		public virtual void EndAuthenticateAsClient (IAsyncResult asyncResult)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override int EndRead (IAsyncResult asyncResult)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public virtual void EndAuthenticateAsServer (IAsyncResult asyncResult)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override void EndWrite (IAsyncResult asyncResult)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override void Flush ()
		{
			InnerStream.Flush ();
		}

		[MonoTODO]
		public override int Read (byte[] buffer, int offset, int count)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override long Seek (long offset, SeekOrigin origin)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override void SetLength (long value)
		{
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public override void Write (byte[] buffer, int offset, int count)
		{
			throw new NotImplementedException ();
		}

		public virtual Task AuthenticateAsClientAsync()
		{
			return Task.Factory.FromAsync(BeginAuthenticateAsClient, EndAuthenticateAsClient, null);
		}

		public virtual Task AuthenticateAsClientAsync(NetworkCredential credential, string targetName)
		{
			return Task.Factory.FromAsync(BeginAuthenticateAsClient, EndAuthenticateAsClient, credential, targetName, null);
		}

		public virtual Task AuthenticateAsClientAsync(
			NetworkCredential credential, string targetName,
			ProtectionLevel requiredProtectionLevel,
			TokenImpersonationLevel allowedImpersonationLevel)
		{
			return Task.Factory.FromAsync((callback, state) => BeginAuthenticateAsClient(credential, targetName, requiredProtectionLevel, allowedImpersonationLevel, callback, state), EndAuthenticateAsClient, null);
		}

		public virtual Task AuthenticateAsClientAsync(NetworkCredential credential, ChannelBinding binding, string targetName)
		{
			throw new NotImplementedException ();
		}

		public virtual Task AuthenticateAsClientAsync(
			NetworkCredential credential, ChannelBinding binding,
			string targetName, ProtectionLevel requiredProtectionLevel,
			TokenImpersonationLevel allowedImpersonationLevel)
		{
			throw new NotImplementedException ();
		}

		public virtual Task AuthenticateAsServerAsync()
		{
			return Task.Factory.FromAsync(BeginAuthenticateAsServer, EndAuthenticateAsServer, null);
		}

		public virtual Task AuthenticateAsServerAsync(ExtendedProtectionPolicy policy)
		{
			throw new NotImplementedException ();
		}

		public virtual Task AuthenticateAsServerAsync(NetworkCredential credential, ProtectionLevel requiredProtectionLevel, TokenImpersonationLevel requiredImpersonationLevel)
		{
			throw new NotImplementedException ();
		}

		public virtual Task AuthenticateAsServerAsync(
			NetworkCredential credential, ExtendedProtectionPolicy policy,
			ProtectionLevel requiredProtectionLevel,
			TokenImpersonationLevel requiredImpersonationLevel)
		{
			throw new NotImplementedException ();
		}

		#endregion // Methods
	}
}