using System;

using System.Windows.Forms;

using System.Collections;

using System.ServiceModel;

using System.Collections.Generic;

using System.Linq;

using SharpDisplayInterface;

namespace SharpDisplayManager

{

    /// <summary>

    /// Implement our display service.

    /// This class is instantiated anew whenever a client send a request.

    /// </summary>

    [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Reentrant)]

    class DisplayServer : IDisplayService

    {

        //From IDisplayService

        public void SetTexts(System.Collections.Generic.IList<string> aTexts)

        {

            //Only support two lines for now

            for (int i=0; i<aTexts.Count; i++)

            {

                if (i == 0)

                {

                    Program.iMainForm.marqueeLabelTop.Text = aTexts[i];

                }

                else if (i == 1)

                {

                    Program.iMainForm.marqueeLabelBottom.Text = aTexts[i];

                }

            }

        }

        //

        public void SetText(int aLineIndex, string aText)

        {

            //Only support two lines for now

                if (aLineIndex == 0)

                {

                    Program.iMainForm.marqueeLabelTop.Text = aText;

                }

                else if (aLineIndex == 1)

                {

                    Program.iMainForm.marqueeLabelBottom.Text = aText;

                }

        }

        //

        public void Connect(string aClientName)

        {

            Disconnect(aClientName);

            //Register our client and its callback interface

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

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

            //For some reason MP still hangs on that one

            //callback.OnConnected();

        }

        ///

        public void Disconnect(string aClientName)

        {

            //remove the old client if any

            if (Program.iMainForm.iClients.Keys.Contains(aClientName))

            {

                Program.iMainForm.iClients.Remove(aClientName);

            }

        }

    }

}