using System;

using System.Windows.Forms;

using System.Collections;

using System.ServiceModel;

using System.Collections.Generic;

using System.Linq;

using System.Diagnostics;

using SharpDisplay;

namespace SharpDisplay

{

    /// <summary>

    /// Implement our display services.

    /// Each client connection has such a session object server side.

    /// </summary>

    [ServiceBehavior(   

                        ConcurrencyMode = ConcurrencyMode.Multiple,

                        InstanceContextMode = InstanceContextMode.PerSession                       

                    )]

    class Session : IService, IDisposable

    {

        public string SessionId { get; set; }

        public string Name { get; set; }

        Session()

        {

            Trace.TraceInformation("Server session opening.");

            //First save our session ID. It will be needed in Dispose cause our OperationContxt won't be available then.

            SessionId = OperationContext.Current.SessionId;

            ICallback callback = OperationContext.Current.GetCallbackChannel<ICallback>();

            //

            SharpDisplayManager.Program.iMainForm.AddClientThreadSafe(SessionId,callback);

        }

        public void Dispose()

        {

            Trace.TraceInformation("Server session closing.");

            SharpDisplayManager.Program.iMainForm.RemoveClientThreadSafe(SessionId);

        }

        //From IDisplayService

        public void SetTexts(System.Collections.Generic.IList<TextField> aTextFields)

        {

            SharpDisplayManager.Program.iMainForm.SetTextsThreadSafe(SessionId, aTextFields);

        }

        //

        public void SetText(TextField aTextField)

        {

            SharpDisplayManager.Program.iMainForm.SetTextThreadSafe(SessionId, aTextField);

        }

        //

        public void SetName(string aClientName)

        {

            Name = aClientName;

            SharpDisplayManager.Program.iMainForm.SetClientNameThreadSafe(SessionId, Name);

            //Disconnect(aClientName);

            //Register our client and its callback interface

            //IDisplayServiceCallback callback = OperationContext.Current.GetCallbackChannel<IDisplayServiceCallback>();

            //Program.iMainForm.iClients.Add(aClientName, callback);

            //Program.iMainForm.treeViewClients.Nodes.Add(aClientName, aClientName);

            //For some reason MP still hangs on that one

            //callback.OnConnected();

        }

        ///

        public int ClientCount()

        {

            return SharpDisplayManager.Program.iMainForm.iClients.Count;

        }

    }

}