// BinaryFormatter.cs
//
// Author:
//	Dick Porter (dick@ximian.com)
//
// (C) 2002 Ximian, Inc.  http://www.ximian.com

using System.Runtime.Serialization.Formatters;
using System.Runtime.Serialization;
using System.Reflection;
using System.Collections;
using System.IO;
using System.Runtime.Remoting.Messaging;

namespace System.Runtime.Serialization.Formatters.Binary {
	public sealed class BinaryFormatter : IRemotingFormatter, IFormatter 
	{
		private FormatterAssemblyStyle assembly_format;
		private SerializationBinder binder;
		private StreamingContext context;
		private ISurrogateSelector surrogate_selector;
		private FormatterTypeStyle type_format;
		
		public BinaryFormatter()
		{
			surrogate_selector=null;
			context=new StreamingContext(StreamingContextStates.All);
		}
		
		public BinaryFormatter(ISurrogateSelector selector, StreamingContext context)
		{
			surrogate_selector=selector;
			this.context=context;
		}

		public FormatterAssemblyStyle AssemblyFormat
		{
			get {
				return(assembly_format);
			}
			set {
				assembly_format=value;
			}
		}

		public SerializationBinder Binder
		{
			get {
				return(binder);
			}
			set {
				binder=value;
			}
		}

		public StreamingContext Context 
		{
			get {
				return(context);
			}
			set {
				context=value;
			}
		}
		
		public ISurrogateSelector SurrogateSelector 
		{
			get {
				return(surrogate_selector);
			}
			set {
				surrogate_selector=value;
			}
		}
		
		public FormatterTypeStyle TypeFormat 
		{
			get {
				return(type_format);
			}
			set {
				type_format=value;
			}
		}

		[MonoTODO]
		public object Deserialize(Stream serializationStream)
		{
			if(serializationStream==null) {
				throw new ArgumentNullException("serializationStream is null");
			}
			if(serializationStream.CanSeek &&
			   serializationStream.Length==0) {
				throw new SerializationException("serializationStream supports seeking, but its length is 0");
			}
			
			return(null);
		}

		[MonoTODO]
		public object Deserialize(Stream serializationStream, HeaderHandler handler) 
		{
			if(serializationStream==null) {
				throw new ArgumentNullException("serializationStream is null");
			}
			if(serializationStream.CanSeek &&
			   serializationStream.Length==0) {
				throw new SerializationException("serializationStream supports seeking, but its length is 0");
			}
			
			return(null);
		}
		
		[MonoTODO]
		public object DeserializeMethodResponse(Stream serializationStream, HeaderHandler handler, IMethodCallMessage methodCallmessage)
		{
			if(serializationStream==null) {
				throw new ArgumentNullException("serializationStream is null");
			}
			if(serializationStream.CanSeek &&
			   serializationStream.Length==0) {
				throw new SerializationException("serializationStream supports seeking, but its length is 0");
			}
			
			return(null);
		}

		[MonoTODO]
		public void Serialize(Stream serializationStream, object graph)
		{
			if(serializationStream==null) {
				throw new ArgumentNullException("serializationStream is null");
			}

			ISerializable ser = graph as ISerializable;

			StreamingContext context = new StreamingContext (StreamingContextStates.Remoting);
			object [] oa;
			
			if (ser != null) {
				SerializationInfo info = new SerializationInfo (graph.GetType (), new FormatterConverter ());
				ser.GetObjectData (info, context);
				SerializationInfoEnumerator e = info.GetEnumerator ();
				oa = new object [info.MemberCount];
				int i = 0;
				while (e.MoveNext ()) {
					oa [i++] = e.Current;
				}
				Console.WriteLine ("SERIALIZABLE" + info.MemberCount);
			} else {
				MemberInfo [] members = FormatterServices.GetSerializableMembers (graph.GetType (), context);
				oa = FormatterServices.GetObjectData (graph, members);
				Console.WriteLine ("NOT SERIALIZABLE" + oa.Length);
			}

			foreach (object o in oa) {
				Console.WriteLine ("OBJ" + o);
			}
			
			throw new NotImplementedException ();
		}

		[MonoTODO]
		public void Serialize(Stream serializationStream, object graph, Header[] headers)
		{
			if(serializationStream==null) {
				throw new ArgumentNullException("serializationStream is null");
			}

			// fixme: what about headers?
			Serialize (serializationStream, graph);			
		}
	}
}