using System;
using Wayne.Lib;
#if _SINP
using Wayne.ForecourtControl.Nfs;
#endif

namespace Wayne.ForecourtControl.Fusion
{
    /// <summary>
    /// </summary>
    public interface ITwin
    {
        /// <summary>
        /// Opens or closes the station. 
        /// </summary>
        /// <param name="userToken">A user supplied object that will be returned in the requestCompleted callback</param>
        void OpenMasterAsync(EventHandler<Wayne.Lib.AsyncCompletedEventArgs> requestCompleted, object userToken);

        event EventHandler OnMasterReady;
    }

    public static class FUSIONTwinFactory
    {
        private static FUSIONTwin twin = null;
        public static ITwin CreateTwin(int deviceId)
        {
            twin = new FUSIONTwin(deviceId);
            return twin;
        }
        public static ITwin getTwin()
        { return twin; }
    }

    internal class FUSIONTwin: ITwin
    {
        private FUSIONForecourtControl forecourtControl;

        public FUSIONTwin(int deviceId)
        {
            if (FUSIONFactory.fusionForecourtControlList.ContainsKey(deviceId))
                this.forecourtControl = (FUSIONForecourtControl)(FUSIONFactory.fusionForecourtControlList[deviceId]);
        }

        public event EventHandler OnMasterReady;
        internal void FireOnTwinMasterReady()
        {
            try
            {
                if (this.OnMasterReady != null)
                {
                    Trace.WriteLine("init FireOnTwinMasterReady");
                    this.OnMasterReady(this, EventArgs.Empty);
                    Trace.WriteLine("end FireOnTwinMasterReady");
                }
                else
                    Trace.WriteLine("FireOnTwinMasterReady - OnMasterReady is null");
            }
            catch(Exception ex)
            {
                Trace.WriteLine(string.Format("EXCEPTION! Stack chiamate: {0} Messaggio: {1}", ex.StackTrace, ex.Message));
            }
        }

        public void OpenMasterAsync(EventHandler<AsyncCompletedEventArgs> requestCompleted, object userToken)
        {
            this.forecourtControl.manager.ifsfManager.TwinOpenMaster(requestCompleted, userToken, this);
        }
    }
}