//

// Copyright (C) 2014-2015 Stéphane Lenclud.

//

// This file is part of SharpDisplayManager.

//

// SharpDisplayManager is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// SharpDisplayManager is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with SharpDisplayManager.  If not, see <http://www.gnu.org/licenses/>.

//

using System;

using System.Windows.Forms;

using System.Collections;

using System.ServiceModel;

using System.Collections.Generic;

using System.Linq;

using System.Diagnostics;

using SharpLib.Display;

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);

        }

        //

        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 void SetLayout(TableLayout aLayout)

        {

            SharpDisplayManager.Program.iMainForm.SetClientLayoutThreadSafe(SessionId, aLayout);

        }

        //

        public void SetField(DataField aField)

        {

            SharpDisplayManager.Program.iMainForm.SetClientFieldThreadSafe(SessionId, aField);

        }

        //From IDisplayService

        public void SetFields(System.Collections.Generic.IList<DataField> aFields)

        {

            SharpDisplayManager.Program.iMainForm.SetClientFieldsThreadSafe(SessionId, aFields);

        }

        ///

        public int ClientCount()

        {

            return SharpDisplayManager.Program.iMainForm.iClients.Count;

        }

    }

}