using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using SharpDisplay;

using System.ServiceModel;

using System.ServiceModel.Channels;

namespace SharpDisplayClient

{

    /// <summary>

    ///

    /// </summary>

    [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple)]

    public class Callback : ICallback, IDisposable

    {

        private MainForm MainForm { get; set; }

        public Callback(MainForm aMainForm)

        {

            MainForm = aMainForm;

        }

        public void OnConnected()

        {

            //Debug.Assert(Thread.CurrentThread.IsThreadPoolThread);

            //Trace.WriteLine("Callback thread = " + Thread.CurrentThread.ManagedThreadId);

            MessageBox.Show("OnConnected()", "Client");

        }

        public void OnCloseOrder()

        {

            //Debug.Assert(Thread.CurrentThread.IsThreadPoolThread);

            //Trace.WriteLine("Callback thread = " + Thread.CurrentThread.ManagedThreadId);

            //MessageBox.Show("OnServerClosing()", "Client");

            MainForm.CloseConnectionThreadSafe();

            MainForm.CloseThreadSafe();

        }

        //From IDisposable

        public void Dispose()

        {

        }

    }

    /// <summary>

    ///

    /// </summary>

    [ServiceBehavior(ConcurrencyMode = ConcurrencyMode.Multiple)]

    public class Client : DuplexClientBase<IService>

    {

        public string Name { get; set; }

        public string SessionId { get { return InnerChannel.SessionId; } }

        public Client(ICallback aCallback)

            : base(new InstanceContext(aCallback), new NetTcpBinding(SecurityMode.None, true), new EndpointAddress("net.tcp://localhost:8001/DisplayService"))

        { }

        public void SetName(string aClientName)

        {

            Name = aClientName;

            Channel.SetName(aClientName);

        }

        public void SetLayout(TableLayout aLayout)

        {

            Channel.SetLayout(aLayout);

        }

        public void SetText(DataField aField)

        {

            Channel.SetText(aField);

        }

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

        {

            Channel.SetTexts(aFields);

        }

        public void SetBitmap(DataField aField)

        {

            Channel.SetBitmap(aField);

        }

        public int ClientCount()

        {

            return Channel.ClientCount();

        }

        public bool IsReady()

        {

            return State == CommunicationState.Opened;

        }

    }

    /// <summary>

    ///

    /// </summary>

    public class DisplayClient

    {

        Client iClient;

        Callback iCallback;

        private MainForm MainForm { get; set; }

        public string Name { get; set; }

        public string SessionId { get { return iClient.SessionId; } }

        public DisplayClient(MainForm aMainForm)

        {

            MainForm = aMainForm;

            Name = "";

        }

        public void Open()

        {

            iCallback = new Callback(MainForm);

            iClient = new Client(iCallback);

            if (Name != "")

            {

                iClient.SetName(Name);

            }

        }

        public void Close()

        {

            iClient.Close();

            iClient = null;

            iCallback.Dispose();

            iCallback = null;

        }

        public bool IsReady()

        {

            return (iClient != null && iCallback != null && iClient.IsReady());

        }

        public void CheckConnection()

        {

            if (!IsReady())

            {

                Open();

            }

        }

        public void SetName(string aClientName)

        {

            Name = aClientName;

            CheckConnection();

            iClient.SetName(aClientName);

        }

        public void SetLayout(TableLayout aLayout)

        {

            CheckConnection();

            iClient.SetLayout(aLayout);

        }

        public void SetText(DataField aField)

        {

            CheckConnection();

            iClient.SetText(aField);

        }

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

        {

            CheckConnection();

            iClient.SetTexts(aFields);

        }

        public void SetBitmap(DataField aField)

        {

            CheckConnection();

            iClient.SetBitmap(aField);

        }

        public int ClientCount()

        {

            CheckConnection();

            return iClient.ClientCount();

        }

    }

}