Essentials/essentials-framework/Essentials Devices Common/Essentials Devices Common/VideoCodec/ZoomRoom/ZoomRoom.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using Crestron.SimplSharp;
using Crestron.SimplSharpPro.CrestronThread;
using Crestron.SimplSharpPro.DeviceSupport;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using PepperDash.Core;
using PepperDash.Essentials.Core;
using PepperDash.Essentials.Core.Bridges;
using PepperDash.Essentials.Core.Config;
using PepperDash.Essentials.Core.DeviceTypeInterfaces;
using PepperDash.Essentials.Core.Routing;
using PepperDash.Essentials.Core.Queues;
using PepperDash.Essentials.Devices.Common.Cameras;
using PepperDash.Essentials.Devices.Common.Codec;
using PepperDash.Essentials.Devices.Common.VideoCodec.Cisco;
using PepperDash.Essentials.Devices.Common.VideoCodec.Interfaces;

namespace PepperDash.Essentials.Devices.Common.VideoCodec.ZoomRoom
{
	public class ZoomRoom : VideoCodecBase, IHasCodecSelfView, IHasDirectoryHistoryStack, ICommunicationMonitor,
		IRouting,
		IHasScheduleAwareness, IHasCodecCameras, IHasParticipants, IHasCameraOff, IHasCameraMute, IHasCameraAutoMode,
		IHasFarEndContentStatus, IHasSelfviewPosition, IHasPhoneDialing, IHasZoomRoomLayouts, IHasParticipantPinUnpin,
		IHasParticipantAudioMute, IHasSelfviewSize, IPasswordPrompt, IHasStartMeeting, IHasMeetingInfo, IHasPresentationOnlyMeeting,
        IHasMeetingLock, IHasMeetingRecording
	{
		private const long MeetingRefreshTimer = 60000;
        public uint DefaultMeetingDurationMin { get; private set; }

        /// <summary>
        /// CR LF
        /// </summary>
        private const string EchoDelimiter = "\x0D\x0A\x0D\x0A";

        private const string SendDelimiter = "\x0D";

        /// <summary>
        /// CR LF } CR LF
        /// </summary>
        private const string JsonDelimiter = "\x0D\x0A\x7D\x0D\x0A";

        private string[] Delimiters = new string[] { EchoDelimiter, JsonDelimiter, "OK\x0D\x0A", "end\x0D\x0A" };
        //"echo off\x0D\x0A\x0A\x0D\x0A"
		private readonly GenericQueue _receiveQueue;
		//private readonly CrestronQueue<string> _receiveQueue;


		//private readonly Thread _receiveThread;

		private readonly ZoomRoomSyncState _syncState;
		public bool CommDebuggingIsOn;
		private CodecDirectory _currentDirectoryResult;
		private uint _jsonCurlyBraceCounter;
		private bool _jsonFeedbackMessageIsIncoming;
		private StringBuilder _jsonMessage;
		private int _previousVolumeLevel;
		private CameraBase _selectedCamera;
        private string _lastDialedMeetingNumber;

		private readonly ZoomRoomPropertiesConfig _props;

		public ZoomRoom(DeviceConfig config, IBasicCommunication comm)
			: base(config)
		{
            DefaultMeetingDurationMin = 30;

			_props = JsonConvert.DeserializeObject<ZoomRoomPropertiesConfig>(config.Properties.ToString());

			_receiveQueue = new GenericQueue(Key + "-rxQueue", Thread.eThreadPriority.MediumPriority, 2048);

			Communication = comm;

			if (_props.CommunicationMonitorProperties != null)
			{
				CommunicationMonitor = new GenericCommunicationMonitor(this, Communication,
					_props.CommunicationMonitorProperties);
			}
			else
			{
				CommunicationMonitor = new GenericCommunicationMonitor(this, Communication, 30000, 120000, 300000,
					"zStatus SystemUnit" + SendDelimiter);
			}

			DeviceManager.AddDevice(CommunicationMonitor);

			Status = new ZoomRoomStatus();

			Configuration = new ZoomRoomConfiguration();

			CodecInfo = new ZoomRoomInfo(Status, Configuration);

			_syncState = new ZoomRoomSyncState(Key + "--Sync", this);

			_syncState.InitialSyncCompleted += SyncState_InitialSyncCompleted;

            _syncState.FirstJsonResponseReceived += (o, a) => SetUpSyncQueries();

			PhonebookSyncState = new CodecPhonebookSyncState(Key + "--PhonebookSync");

            PhonebookSyncState.InitialSyncCompleted += (o, a) => ResubscribeForAddedContacts();

			PortGather = new CommunicationGather(Communication, Delimiters) {IncludeDelimiter = true};
			PortGather.LineReceived += Port_LineReceived;

			CodecOsdIn = new RoutingInputPort(RoutingPortNames.CodecOsd,
				eRoutingSignalType.Audio | eRoutingSignalType.Video,
				eRoutingPortConnectionType.Hdmi, new Action(StopSharing), this);

			Output1 = new RoutingOutputPort(RoutingPortNames.AnyVideoOut,
				eRoutingSignalType.Audio | eRoutingSignalType.Video,
				eRoutingPortConnectionType.Hdmi, null, this);

			Output2 = new RoutingOutputPort(RoutingPortNames.AnyVideoOut,
				eRoutingSignalType.Video,
				eRoutingPortConnectionType.DisplayPort, null, this);

			SelfviewIsOnFeedback = new BoolFeedback(SelfViewIsOnFeedbackFunc);

			CameraIsOffFeedback = new BoolFeedback(CameraIsOffFeedbackFunc);

			CameraIsMutedFeedback = CameraIsOffFeedback;

			CameraAutoModeIsOnFeedback = new BoolFeedback(CameraAutoModeIsOnFeedbackFunc);

			CodecSchedule = new CodecScheduleAwareness(MeetingRefreshTimer);

		    if (_props.MinutesBeforeMeetingStart > 0)
		    {
		        CodecSchedule.MeetingWarningMinutes = _props.MinutesBeforeMeetingStart;
		    }

			ReceivingContent = new BoolFeedback(FarEndIsSharingContentFeedbackFunc);

			SelfviewPipPositionFeedback = new StringFeedback(SelfviewPipPositionFeedbackFunc);

			// TODO: #714 [ ] SelfviewPipSizeFeedback
			SelfviewPipSizeFeedback = new StringFeedback(SelfviewPipSizeFeedbackFunc);

			SetUpFeedbackActions();

			Cameras = new List<CameraBase>();

			SetUpDirectory();

			Participants = new CodecParticipants();

			SupportsCameraOff = true; // Always allow turning off the camera for zoom calls?
			SupportsCameraAutoMode = _props.SupportsCameraAutoMode;

			PhoneOffHookFeedback = new BoolFeedback(PhoneOffHookFeedbackFunc);
			CallerIdNameFeedback = new StringFeedback(CallerIdNameFeedbackFunc);
			CallerIdNumberFeedback = new StringFeedback(CallerIdNumberFeedbackFunc);

			LocalLayoutFeedback = new StringFeedback(LocalLayoutFeedbackFunc);

			LayoutViewIsOnFirstPageFeedback = new BoolFeedback(LayoutViewIsOnFirstPageFeedbackFunc);
			LayoutViewIsOnLastPageFeedback = new BoolFeedback(LayoutViewIsOnLastPageFeedbackFunc);
			CanSwapContentWithThumbnailFeedback = new BoolFeedback(CanSwapContentWithThumbnailFeedbackFunc);
			ContentSwappedWithThumbnailFeedback = new BoolFeedback(ContentSwappedWithThumbnailFeedbackFunc);

			NumberOfScreensFeedback = new IntFeedback(NumberOfScreensFeedbackFunc);

            MeetingIsLockedFeedback = new BoolFeedback(() => Configuration.Call.Lock.Enable );

            MeetingIsRecordingFeedback = new BoolFeedback(() => Status.Call.CallRecordInfo.meetingIsBeingRecorded );
		}

		public CommunicationGather PortGather { get; private set; }

		public ZoomRoomStatus Status { get; private set; }

		public ZoomRoomConfiguration Configuration { get; private set; }

		//CTimer LoginMessageReceivedTimer;
		//CTimer RetryConnectionTimer;

		/// <summary>
		/// Gets and returns the scaled volume of the codec
		/// </summary>
		protected override Func<int> VolumeLevelFeedbackFunc
		{
			get
			{
				return () =>
				{
					var scaledVol = CrestronEnvironment.ScaleWithLimits(Configuration.Audio.Output.Volume, 100, 0, 65535, 0);

					if (Configuration.Audio.Output.Volume != 0)
					{
						Debug.Console(2, this, "Storing previous volume level as: {0}, scaled: {1}", Configuration.Audio.Output.Volume,
							scaledVol);
						_previousVolumeLevel = scaledVol; // Store the previous level for recall
					}

					return scaledVol;
				};
			}
		}

		protected override Func<bool> PrivacyModeIsOnFeedbackFunc
		{
			get { return () => Configuration.Call.Microphone.Mute; }
		}

		protected override Func<bool> StandbyIsOnFeedbackFunc
		{
			get { return () => false; }
		}

		protected override Func<string> SharingSourceFeedbackFunc
		{
			get { return () => Status.Sharing.dispState; }
		}

		protected override Func<bool> SharingContentIsOnFeedbackFunc
		{
			get { return () => Status.Call.Sharing.IsSharing; }
		}

		protected Func<bool> FarEndIsSharingContentFeedbackFunc
		{
			get { return () => Status.Call.Sharing.State == zEvent.eSharingState.Receiving; }
		}

		protected override Func<bool> MuteFeedbackFunc
		{
			get { return () => Configuration.Audio.Output.Volume == 0; }
		}

		//protected Func<bool> RoomIsOccupiedFeedbackFunc
		//{
		//    get
		//    {
		//        return () => false;
		//    }
		//}

		//protected Func<int> PeopleCountFeedbackFunc
		//{
		//    get
		//    {
		//        return () => 0;
		//    }
		//}

		protected Func<bool> SelfViewIsOnFeedbackFunc
		{
			get { return () => !Configuration.Video.HideConfSelfVideo; }
		}

		protected Func<bool> CameraIsOffFeedbackFunc
		{
			get { return () => Configuration.Call.Camera.Mute; }
		}

		protected Func<bool> CameraAutoModeIsOnFeedbackFunc
		{
			get { return () => false; }
		}

		protected Func<string> SelfviewPipPositionFeedbackFunc
		{
			get
			{
				return
					() =>
						_currentSelfviewPipPosition != null
							? _currentSelfviewPipPosition.Command ?? "Unknown"
							: "Unknown";
			}
		}

		// TODO: #714 [ ] SelfviewPipSizeFeedbackFunc
		protected Func<string> SelfviewPipSizeFeedbackFunc
		{
			get
			{
				return
					() =>
						_currentSelfviewPipSize != null
							? _currentSelfviewPipSize.Command ?? "Unknown"
							: "Unknown";
			}
		}

		protected Func<bool> LocalLayoutIsProminentFeedbackFunc
		{
			get { return () => false; }
		}


		public RoutingInputPort CodecOsdIn { get; private set; }
		public RoutingOutputPort Output1 { get; private set; }
		public RoutingOutputPort Output2 { get; private set; }

		#region ICommunicationMonitor Members

		public StatusMonitorBase CommunicationMonitor { get; private set; }

		#endregion

		#region IHasCodecCameras Members

		public event EventHandler<CameraSelectedEventArgs> CameraSelected;

		public List<CameraBase> Cameras { get; private set; }

		public CameraBase SelectedCamera
		{
			get { return _selectedCamera; }
			private set
			{
				_selectedCamera = value;
				SelectedCameraFeedback.FireUpdate();
				ControllingFarEndCameraFeedback.FireUpdate();

				var handler = CameraSelected;
				if (handler != null)
				{
					handler(this, new CameraSelectedEventArgs(_selectedCamera));
				}
			}
		}


		public StringFeedback SelectedCameraFeedback { get; private set; }

		public void SelectCamera(string key)
		{
			if (Cameras == null)
			{
				return;
			}

			var camera = Cameras.FirstOrDefault(c => c.Key.IndexOf(key, StringComparison.OrdinalIgnoreCase) > -1);
			if (camera != null)
			{
				Debug.Console(1, this, "Selected Camera with key: '{0}'", camera.Key);
				SelectedCamera = camera;
			}
			else
			{
				Debug.Console(1, this, "Unable to select camera with key: '{0}'", key);
			}
		}

		public CameraBase FarEndCamera { get; private set; }

		public BoolFeedback ControllingFarEndCameraFeedback { get; private set; }

		#endregion

		#region IHasCodecSelfView Members

		public BoolFeedback SelfviewIsOnFeedback { get; private set; }

		public void GetSelfViewMode()
		{
			SendText("zConfiguration Video hide_conf_self_video");
		}

		public void SelfViewModeOn()
		{
			SendText("zConfiguration Video hide_conf_self_video: off");
		}

		public void SelfViewModeOff()
		{
			SendText("zConfiguration Video hide_conf_self_video: on");
		}

		public void SelfViewModeToggle()
		{
			if (SelfviewIsOnFeedback.BoolValue)
			{
				SelfViewModeOff();
			}
			else
			{
				SelfViewModeOn();
			}
		}

		#endregion

		#region IHasDirectoryHistoryStack Members

		public event EventHandler<DirectoryEventArgs> DirectoryResultReturned;
		public CodecDirectory DirectoryRoot { get; private set; }

		public CodecDirectory CurrentDirectoryResult
		{
			get { return _currentDirectoryResult; }
			private set
			{
				_currentDirectoryResult = value;

				Debug.Console(2, this, "CurrentDirectoryResult Updated.  ResultsFolderId: {0}",
					_currentDirectoryResult.ResultsFolderId);

				CurrentDirectoryResultIsNotDirectoryRoot.FireUpdate();

				OnDirectoryResultReturned(_currentDirectoryResult);
			}
		}

		public CodecPhonebookSyncState PhonebookSyncState { get; private set; }

		public void SearchDirectory(string searchString)
		{
			var directoryResults = new CodecDirectory();

			directoryResults.AddContactsToDirectory(
				DirectoryRoot.CurrentDirectoryResults.FindAll(
					c => c.Name.IndexOf(searchString, 0, StringComparison.OrdinalIgnoreCase) > -1));

			DirectoryBrowseHistoryStack.Clear();
			CurrentDirectoryResult = directoryResults;
		}

		public void GetDirectoryFolderContents(string folderId)
		{
			var directoryResults = new CodecDirectory {ResultsFolderId = folderId};

			directoryResults.AddContactsToDirectory(
				DirectoryRoot.CurrentDirectoryResults.FindAll(c => c.ParentFolderId.Equals(folderId)));

			DirectoryBrowseHistoryStack.Push(_currentDirectoryResult);

			CurrentDirectoryResult = directoryResults;
		}

		public void SetCurrentDirectoryToRoot()
		{
			DirectoryBrowseHistoryStack.Clear();

			CurrentDirectoryResult = DirectoryRoot;
		}

		public void GetDirectoryParentFolderContents()
		{
			if (DirectoryBrowseHistoryStack.Count == 0)
			{
				return;
			}

			var currentDirectory = DirectoryBrowseHistoryStack.Pop();

			CurrentDirectoryResult = currentDirectory;
		}

		public BoolFeedback CurrentDirectoryResultIsNotDirectoryRoot { get; private set; }

		public List<CodecDirectory> DirectoryBrowseHistory { get; private set; }

		public Stack<CodecDirectory> DirectoryBrowseHistoryStack { get; private set; }

		#endregion

		#region IHasScheduleAwareness Members

		public CodecScheduleAwareness CodecSchedule { get; private set; }

		public void GetSchedule()
		{
			GetBookings();
		}

		#endregion

		#region IRouting Members

		public void ExecuteSwitch(object inputSelector, object outputSelector, eRoutingSignalType signalType)
		{
			ExecuteSwitch(inputSelector);
		}

		#endregion

		private void SyncState_InitialSyncCompleted(object sender, EventArgs e)
		{
			SetUpRouting();

			SetIsReady();
		}

		private void SetUpCallFeedbackActions()
		{
		    Status.Call.Sharing.PropertyChanged += HandleSharingStateUpdate;

			Status.Call.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "Info")
				{
					Debug.Console(1, this, "Updating Call Status");
					UpdateCallStatus();
				}
			};
		}

	    private void HandleSharingStateUpdate(object sender, PropertyChangedEventArgs a)
	    {
            if (a.PropertyName != "State")
            {
                return;
            }

            SharingContentIsOnFeedback.FireUpdate();
            ReceivingContent.FireUpdate();
            try
            {

                // Update the share status of the meeting info
                if (MeetingInfo == null)
                {
                    var sharingStatus = GetSharingStatus();

                    MeetingInfo = new MeetingInfo("", "", "", "", sharingStatus, GetIsHostMyself(), true, false, MeetingIsLockedFeedback.BoolValue);
                    return;
                }

                var meetingInfo = new MeetingInfo(MeetingInfo.Id, MeetingInfo.Name, Participants.Host != null ? Participants.Host.Name : "None",
                    MeetingInfo.Password, GetSharingStatus(), GetIsHostMyself(), MeetingInfo.IsSharingMeeting, MeetingInfo.WaitingForHost, MeetingIsLockedFeedback.BoolValue);
                MeetingInfo = meetingInfo;
            }
            catch (Exception e)
            {
                Debug.Console(1, this, "Error processing state property update. {0}", e.Message);
                Debug.Console(2, this, e.StackTrace);
                MeetingInfo = new MeetingInfo("", "", "", "", "None", false, false, false, MeetingIsLockedFeedback.BoolValue);
            }
	    }

		/// <summary>
		/// Subscribes to the PropertyChanged events on the state objects and fires the corresponding feedbacks.
		/// </summary>
		private void SetUpFeedbackActions()
		{
			Configuration.Audio.Output.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "Volume")
				{
					VolumeLevelFeedback.FireUpdate();
					MuteFeedback.FireUpdate();
				}
			};

			Configuration.Call.Microphone.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "Mute")
				{
					PrivacyModeIsOnFeedback.FireUpdate();
				}
			};

			Configuration.Video.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "HideConfSelfVideo")
				{
					SelfviewIsOnFeedback.FireUpdate();
				}
			};
			Configuration.Video.Camera.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "SelectedId")
				{
					SelectCamera(Configuration.Video.Camera.SelectedId);
					// this will in turn fire the affected feedbacks
				}
			};

			Configuration.Call.Camera.PropertyChanged += (o, a) =>
			{
				Debug.Console(1, this, "Configuration.Call.Camera.PropertyChanged: {0}", a.PropertyName);

				if (a.PropertyName != "Mute") return;

				CameraIsOffFeedback.FireUpdate();
				CameraAutoModeIsOnFeedback.FireUpdate();
			};

			Configuration.Call.Layout.PropertyChanged += (o, a) =>
			{
				switch (a.PropertyName)
				{
					case "Position":
					{
						ComputeSelfviewPipPositionStatus();

						SelfviewPipPositionFeedback.FireUpdate();

						break;
					}
					case "ShareThumb":
					{
						ContentSwappedWithThumbnailFeedback.FireUpdate();
                        OnLayoutInfoChanged();
						break;
					}
					case "Style":
					{
						LocalLayoutFeedback.FireUpdate();
                        OnLayoutInfoChanged();
						break;
					}
					case "Size":
					{
						// TODO: #714 [ ] SetupFeedbackActions >> Size
						ComputeSelfviewPipSizeStatus();

						SelfviewPipSizeFeedback.FireUpdate();

						break;
					}
				}
			};

            Configuration.Call.Lock.PropertyChanged += (o, a) =>
                {
                    if (a.PropertyName == "Enable")
                    {
                        MeetingIsLockedFeedback.FireUpdate();
                        MeetingInfo = new MeetingInfo
                            (
                                MeetingInfo.Id, 
                                MeetingInfo.Name, 
                                MeetingInfo.Host,
                                MeetingInfo.Password,
                                GetSharingStatus(), 
                                MeetingInfo.IsHost, 
                                MeetingInfo.IsSharingMeeting, 
                                MeetingInfo.WaitingForHost, 
                                MeetingIsLockedFeedback.BoolValue
                            );
                    }
                };

			// This is to deal with incorrect object structure coming back from the Zoom Room on v 5.6.3
			Configuration.Client.Call.Layout.PropertyChanged += (o, a) =>
			{
				switch (a.PropertyName)
				{
					case "Position":
					{
						ComputeSelfviewPipPositionStatus();

						SelfviewPipPositionFeedback.FireUpdate();

						break;
					}
					case "ShareThumb":
					{
						ContentSwappedWithThumbnailFeedback.FireUpdate();
                        OnLayoutInfoChanged();
						break;
					}
					case "Style":
					{
						LocalLayoutFeedback.FireUpdate();
                        OnLayoutInfoChanged();
						break;
					}
				}
			};

			Status.Call.Sharing.PropertyChanged += (o, a) =>
			{
				if (a.PropertyName == "State")
				{
					SharingContentIsOnFeedback.FireUpdate();
					ReceivingContent.FireUpdate();
				}
			};

			Status.Call.PropertyChanged += (o, a) =>
			{
                switch(a.PropertyName)
                {
                    case "Info":
				{
					Debug.Console(1, this, "Updating Call Status");
					UpdateCallStatus();
                    break;
				}

                case "Status":
                    {
                        UpdateCallStatus();
                        break;
                    }
                    }
			};

            Status.Call.CallRecordInfo.PropertyChanged += (o, a) =>
                {
                    if (a.PropertyName == "meetingIsBeingRecorded")
                    {
                        MeetingIsRecordingFeedback.FireUpdate();
                    }
                };

			Status.Sharing.PropertyChanged += (o, a) =>
			{
				switch (a.PropertyName)
				{
					case "dispState":
						SharingSourceFeedback.FireUpdate();
						break;
					case "password":
						break;
                    case "isAirHostClientConnected":
                    case "isDirectPresentationConnected":
                    case "isSharingBlackMagic":
                        {
                            Debug.Console(2, this, "Updating sharing status: {0}", a.PropertyName);

                            SharingContentIsOnFeedback.FireUpdate();
                            if (MeetingInfo == null)
                            {
                                //Ignoring for now, as the CallInfo return will create the appropriate value
                                return;
                            }
                            // Update the share status of the meeting info
                            var meetingInfo = new MeetingInfo(MeetingInfo.Id, 
                                MeetingInfo.Name, 
                                MeetingInfo.Host, 
                                MeetingInfo.Password, 
                                GetSharingStatus(), 
                                GetIsHostMyself(), 
                                MeetingInfo.IsSharingMeeting, 
                                MeetingInfo.WaitingForHost, 
                                MeetingIsLockedFeedback.BoolValue);
                            MeetingInfo = meetingInfo;
                            break;
                        }
				}
			};

			Status.PhoneCall.PropertyChanged += (o, a) =>
			{
				switch (a.PropertyName)
				{
					case "IsIncomingCall":
						Debug.Console(1, this, "Incoming Phone Call: {0}", Status.PhoneCall.IsIncomingCall);
						break;
					case "PeerDisplayName":
						Debug.Console(1, this, "Peer Display Name: {0}", Status.PhoneCall.PeerDisplayName);
						CallerIdNameFeedback.FireUpdate();
						break;
					case "PeerNumber":
						Debug.Console(1, this, "Peer Number: {0}", Status.PhoneCall.PeerNumber);
						CallerIdNumberFeedback.FireUpdate();
						break;
					case "OffHook":
						Debug.Console(1, this, "Phone is OffHook: {0}", Status.PhoneCall.OffHook);
						PhoneOffHookFeedback.FireUpdate();
						break;
				}
			};

			Status.Layout.PropertyChanged += (o, a) =>
			{
				Debug.Console(1, this, "Status.Layout.PropertyChanged a.PropertyName: {0}", a.PropertyName);
				switch (a.PropertyName.ToLower())
				{
					case "can_switch_speaker_view":
					case "can_switch_wall_view":
					case "can_switch_share_on_all_screens":
					{
						ComputeAvailableLayouts();
						break;
					}
					case "is_in_first_page":
					{
						LayoutViewIsOnFirstPageFeedback.FireUpdate();
						break;
					}
					case "is_in_last_page":
					{
						LayoutViewIsOnLastPageFeedback.FireUpdate();
						break;
					}
                    case "can_Switch_Floating_Share_Content":
                    {
                        CanSwapContentWithThumbnailFeedback.FireUpdate();
                        break;
                    }
				}
                OnLayoutInfoChanged();
			};

			Status.NumberOfScreens.PropertyChanged += (o, a) =>
			{
				switch (a.PropertyName)
				{
					case "NumberOfScreens":
					{
						NumberOfScreensFeedback.FireUpdate();
						break;
					}
				}
			};
		}

		private void SetUpDirectory()
		{
			DirectoryRoot = new CodecDirectory() {ResultsFolderId = "root"};

			CurrentDirectoryResultIsNotDirectoryRoot = new BoolFeedback(() => CurrentDirectoryResult.ResultsFolderId != "root");

			CurrentDirectoryResult = DirectoryRoot;

			DirectoryBrowseHistory = new List<CodecDirectory>();
			DirectoryBrowseHistoryStack = new Stack<CodecDirectory>();
		}

		private void SetUpRouting()
		{
			// Set up input ports
			CreateOsdSource();
			InputPorts.Add(CodecOsdIn);

			// Set up output ports
			OutputPorts.Add(Output1);
			OutputPorts.Add(Output2);
		}

		/// <summary>
		/// Creates the fake OSD source, and connects it's AudioVideo output to the CodecOsdIn input
		/// to enable routing 
		/// </summary>
		private void CreateOsdSource()
		{
			OsdSource = new DummyRoutingInputsDevice(Key + "[osd]");
			DeviceManager.AddDevice(OsdSource);
			var tl = new TieLine(OsdSource.AudioVideoOutputPort, CodecOsdIn);
			TieLineCollection.Default.Add(tl);

			//foreach(var input in Status.Video.
		}

		/// <summary>
		/// Starts the HTTP feedback server and syncronizes state of codec
		/// </summary>
		/// <returns></returns>
		public override bool CustomActivate()
		{
			CrestronConsole.AddNewConsoleCommand(SetCommDebug, "SetCodecCommDebug", "0 for Off, 1 for on",
				ConsoleAccessLevelEnum.AccessOperator);
			if (!_props.DisablePhonebookAutoDownload)
			{
				CrestronConsole.AddNewConsoleCommand(s => SendText("zCommand Phonebook List Offset: 0 Limit: 10000"),
					"GetZoomRoomContacts", "Triggers a refresh of the codec phonebook",
					ConsoleAccessLevelEnum.AccessOperator);
			}

			CrestronConsole.AddNewConsoleCommand(s => GetBookings(), "GetZoomRoomBookings",
				"Triggers a refresh of the booking data for today", ConsoleAccessLevelEnum.AccessOperator);

			

			return base.CustomActivate();
		}

	    #region Overrides of Device

	    public override void Initialize()
	    {
	        var socket = Communication as ISocketStatus;
			if (socket != null)
			{
				socket.ConnectionChange += socket_ConnectionChange;
			}

			CommDebuggingIsOn = false;

			Communication.Connect();

			CommunicationMonitor.Start();
	    }

	    #endregion

	    public void SetCommDebug(string s)
		{
			if (s == "1")
			{
				CommDebuggingIsOn = true;
				Debug.Console(1, this, "Comm Debug Enabled.");
			}
			else
			{
				CommDebuggingIsOn = false;
				Debug.Console(1, this, "Comm Debug Disabled.");
			}
		}

		private void socket_ConnectionChange(object sender, GenericSocketStatusChageEventArgs e)
		{
			Debug.Console(1, this, "Socket status change {0}", e.Client.ClientStatus);
			if (e.Client.IsConnected)
			{
			}
			else
			{
				_syncState.CodecDisconnected();
				PhonebookSyncState.CodecDisconnected();
			}
		}

		public void SendText(string command)
		{
			if (CommDebuggingIsOn)
			{
				Debug.Console(1, this, "Sending: '{0}'", command);
			}

			Communication.SendText(command + SendDelimiter);
		}

		/// <summary>
		/// Gathers responses and enqueues them.
		/// </summary>
		/// <param name="dev"></param>
		/// <param name="args"></param>
		private void Port_LineReceived(object dev, GenericCommMethodReceiveTextArgs args)
		{
            //Debug.Console(0, this, "Port_LineReceived");

            if (args.Delimiter != JsonDelimiter)
            {
//                Debug.Console(0, this, 
//@"Non JSON response: 
//Delimiter: {0}
//{1}",  ComTextHelper.GetDebugText(args.Delimiter), args.Text);
                ProcessNonJsonResponse(args.Text);
                return;
            }
            else
            {
//                Debug.Console(0, this,
//@"JSON response: 
//Delimiter: {0}
//{1}", ComTextHelper.GetDebugText(args.Delimiter), args.Text);
                _receiveQueue.Enqueue(new ProcessStringMessage(args.Text, DeserializeResponse));
                //_receiveQueue.Enqueue(new ProcessStringMessage(args.Text, ProcessMessage));
            }
		}

		/// <summary>
		/// Queues the initial queries to be sent upon connection
		/// </summary>
		private void SetUpSyncQueries()
		{
			// zStatus
			_syncState.AddQueryToQueue("zStatus Call Status");
			_syncState.AddQueryToQueue("zStatus Audio Input Line");
			_syncState.AddQueryToQueue("zStatus Audio Output Line");
			_syncState.AddQueryToQueue("zStatus Video Camera Line");
			_syncState.AddQueryToQueue("zStatus Video Optimizable");
			_syncState.AddQueryToQueue("zStatus Capabilities");
			_syncState.AddQueryToQueue("zStatus Sharing");
			_syncState.AddQueryToQueue("zStatus CameraShare");
			_syncState.AddQueryToQueue("zStatus Call Layout");
			_syncState.AddQueryToQueue("zStatus Call ClosedCaption Available");
			_syncState.AddQueryToQueue("zStatus NumberOfScreens");

			// zConfiguration

			_syncState.AddQueryToQueue("zConfiguration Call Sharing optimize_video_sharing");
			_syncState.AddQueryToQueue("zConfiguration Call Microphone Mute");
			_syncState.AddQueryToQueue("zConfiguration Call Camera Mute");
			_syncState.AddQueryToQueue("zConfiguration Audio Input SelectedId");
			_syncState.AddQueryToQueue("zConfiguration Audio Input is_sap_disabled");
			_syncState.AddQueryToQueue("zConfiguration Audio Input reduce_reverb");
			_syncState.AddQueryToQueue("zConfiguration Audio Input volume");
			_syncState.AddQueryToQueue("zConfiguration Audio Output selectedId");
			_syncState.AddQueryToQueue("zConfiguration Audio Output volume");
			_syncState.AddQueryToQueue("zConfiguration Video hide_conf_self_video");
			_syncState.AddQueryToQueue("zConfiguration Video Camera selectedId");
			_syncState.AddQueryToQueue("zConfiguration Video Camera Mirror");
			_syncState.AddQueryToQueue("zConfiguration Client appVersion");
			_syncState.AddQueryToQueue("zConfiguration Client deviceSystem");
			_syncState.AddQueryToQueue("zConfiguration Call Layout ShareThumb");
			_syncState.AddQueryToQueue("zConfiguration Call Layout Style");
			_syncState.AddQueryToQueue("zConfiguration Call Layout Size");
			_syncState.AddQueryToQueue("zConfiguration Call Layout Position");
			_syncState.AddQueryToQueue("zConfiguration Call Lock Enable");
			_syncState.AddQueryToQueue("zConfiguration Call MuteUserOnEntry Enable");
			_syncState.AddQueryToQueue("zConfiguration Call ClosedCaption FontSize ");
			_syncState.AddQueryToQueue("zConfiguration Call ClosedCaption Visible");

			// zCommand

			if (!_props.DisablePhonebookAutoDownload)
			{
				_syncState.AddQueryToQueue("zCommand Phonebook List Offset: 0 Limit: 10000");
			}

			_syncState.AddQueryToQueue("zCommand Bookings List");
			_syncState.AddQueryToQueue("zCommand Call ListParticipants");
			_syncState.AddQueryToQueue("zCommand Call Info");


			_syncState.StartSync();
		}

        private void SetupSession()
        {
            // disable echo of commands
            SendText("echo off");
            // switch to json format
            // set feedback exclusions
            // Currently the feedback exclusions don't work when using the API in JSON response mode
            // But leave these here in case the API gets updated in the future 
            // These may work as of 5.9.4

            // In 5.9.4 we're getting sent an AddedContact message for every contact in the phonebook on connect, which is redunant and way too much data
            // We want to exclude these messages right away until after we've retrieved the entire phonebook and then we can re-enable them
            SendText("zFeedback Register Op: ex Path: /Event/Phonebook/AddedContact");
            
            SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callin_country_list");
            SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callout_country_list");
            SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/toll_free_callinLlist");

            SendText("zStatus SystemUnit");
        }

        /// <summary>
        /// Removes the feedback exclusion for added contacts
        /// </summary>
        private void ResubscribeForAddedContacts()
        {
            SendText("zFeedback Register Op: in Path: /Event/Phonebook/AddedContact");             
        }

        /// <summary>
        /// Processes non-JSON responses as their are received
        /// </summary>
        /// <param name="response"></param>
        private void ProcessNonJsonResponse(string response)
        {
            if (response.Contains("client_loop: send disconnect: Broken pipe"))
            {
                Debug.Console(1, this, Debug.ErrorLogLevel.Error,
                    "Zoom Room Controller or App connected. Essentials will NOT control the Zoom Room until it is disconnected.");

                return;
            }

            if (!_syncState.InitialSyncComplete)
            {
                if(response.ToLower().Contains("*r login successful"))
                {
                     _syncState.LoginResponseReceived();
                        
                    SendText("format json");

                    SetupSession();
                }

                //switch (response.Trim().ToLower()) // remove the whitespace
                //{
                //    case "*r login successful":
                //        {
                //            _syncState.LoginMessageReceived();

                //            //// Fire up a thread to send the intial commands.
                //            //CrestronInvoke.BeginInvoke(o =>
                //            //{
                //                // disable echo of commands
                //                SendText("echo off");
                //                // switch to json format
                //                SendText("format json");
                //                // set feedback exclusions
                //                // Currently the feedback exclusions don't work when using the API in JSON response mode
                //                // But leave these here in case the API gets updated in the future 
                //                // These may work as of 5.9.4
                //                if (_props.DisablePhonebookAutoDownload)
                //                {
                //                    SendText("zFeedback Register Op: ex Path: /Event/Phonebook/AddedContact");
                //                }
                //                SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callin_country_list");
                //                SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callout_country_list");
                //                SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/toll_free_callinLlist");

                //            //});

                //            break;
                //        }
                //}
            }
        }

		/// <summary>
		/// Processes messages as they are dequeued
		/// </summary>
		/// <param name="message"></param>
		private void ProcessMessage(string message)
		{
			// Counts the curly braces
			if (message.Contains("client_loop: send disconnect: Broken pipe"))
			{
				Debug.Console(1, this, Debug.ErrorLogLevel.Error,
					"Zoom Room Controller or App connected. Essentials will NOT control the Zoom Room until it is disconnected.");

				return;
			}

			if (message.Contains('{'))
			{
				_jsonCurlyBraceCounter++;
			}

			if (message.Contains('}'))
			{
				_jsonCurlyBraceCounter--;
			}

			//Debug.Console(2, this, "JSON Curly Brace Count: {0}", _jsonCurlyBraceCounter);

			if (!_jsonFeedbackMessageIsIncoming && message.Trim('\x20') == "{" + EchoDelimiter)
				// Check for the beginning of a new JSON message
			{
				_jsonFeedbackMessageIsIncoming = true;
				_jsonCurlyBraceCounter = 1; // reset the counter for each new message

				_jsonMessage = new StringBuilder();

				_jsonMessage.Append(message);

				if (CommDebuggingIsOn)
				{
					Debug.Console(2, this, "Incoming JSON message...");
				}

				return;
			}
			if (_jsonFeedbackMessageIsIncoming && message.Trim('\x20') == "}" + EchoDelimiter)
				// Check for the end of a JSON message
			{
				_jsonMessage.Append(message);

				if (_jsonCurlyBraceCounter == 0)
				{
					_jsonFeedbackMessageIsIncoming = false;

					if (CommDebuggingIsOn)
					{
						Debug.Console(2, this, "Complete JSON Received:\n{0}", _jsonMessage.ToString());
					}

					// Forward the complete message to be deserialized
					DeserializeResponse(_jsonMessage.ToString());
				}

				//JsonMessage = new StringBuilder();
				return;
			}

			// NOTE: This must happen after the above conditions have been checked
			// Append subsequent partial JSON fragments to the string builder
			if (_jsonFeedbackMessageIsIncoming)
			{
				_jsonMessage.Append(message);

				//Debug.Console(1, this, "Building JSON:\n{0}", JsonMessage.ToString());
				return;
			}

			if (CommDebuggingIsOn)
			{
				Debug.Console(1, this, "Non-JSON response: '{0}'", message);
			}

			_jsonCurlyBraceCounter = 0; // reset on non-JSON response

			if (!_syncState.InitialSyncComplete)
			{
				switch (message.Trim().ToLower()) // remove the whitespace
				{
					case "*r login successful":
					{
						_syncState.LoginResponseReceived();


						// Fire up a thread to send the intial commands.
						CrestronInvoke.BeginInvoke(o =>
						{
                            // Currently the feedback exclusions don't work when using the API in JSON response mode
                            // But leave these here in case the API gets updated in the future 


							Thread.Sleep(100);
							// disable echo of commands
							SendText("echo off");
							Thread.Sleep(100);
							// set feedback exclusions
							SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callin_country_list");
							Thread.Sleep(100);
							SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/callout_country_list");
							Thread.Sleep(100);
							SendText("zFeedback Register Op: ex Path: /Event/InfoResult/Info/toll_free_callinLlist");
							Thread.Sleep(100);

							if (_props.DisablePhonebookAutoDownload)
							{
								SendText("zFeedback Register Op: ex Path: /Event/Phonebook/AddedContact");
							}
							// switch to json format
							SendText("format json");
						});

						break;
					}
				}
			}
		}

		/// <summary>
		/// Deserializes a JSON formatted response
		/// </summary>
		/// <param name="response"></param>
		private void DeserializeResponse(string response)
		{
			try
			{
				var trimmedResponse = response.Trim();

				if (trimmedResponse.Length <= 0)
				{
					return;
				}

				var message = JObject.Parse(trimmedResponse);

                if (!_syncState.FirstJsonResponseWasReceived)
                {
                    _syncState.ReceivedFirstJsonResponse();
                }

				var eType =
					(eZoomRoomResponseType)
						Enum.Parse(typeof (eZoomRoomResponseType), message["type"].Value<string>(), true);

				var topKey = message["topKey"].Value<string>();

				var responseObj = message[topKey];

				Debug.Console(1, this, "{0} Response Received. topKey: '{1}'\n{2}", eType, topKey, responseObj.ToString().Replace("\n", CrestronEnvironment.NewLine));

				switch (eType)
				{
					case eZoomRoomResponseType.zConfiguration:
					{
						switch (topKey.ToLower())
						{
							case "call":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Configuration.Call);

								break;
							}
							case "audio":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Configuration.Audio);

								break;
							}
							case "video":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Configuration.Video);

								break;
							}
							case "client":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Configuration.Client);

								break;
							}
							default:
							{
								break;
							}
						}
						break;
					}
					case eZoomRoomResponseType.zCommand:
					{
						switch (topKey.ToLower())
						{
							case "inforesult":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Call.Info);
								break;
							}
							case "phonebooklistresult":
							{
								//  This result will always be the complete contents of the directory and never
								//  A subset of the results via a search

								JsonConvert.PopulateObject(responseObj.ToString(), Status.Phonebook);

								var directoryResults =
									zStatus.Phonebook.ConvertZoomContactsToGeneric(Status.Phonebook.Contacts);

								if (!PhonebookSyncState.InitialSyncComplete)
								{
									PhonebookSyncState.InitialPhonebookFoldersReceived();
									PhonebookSyncState.PhonebookRootEntriesReceived();
									PhonebookSyncState.SetPhonebookHasFolders(true);
									PhonebookSyncState.SetNumberOfContacts(Status.Phonebook.Contacts.Count);
								}

								if (directoryResults.ResultsFolderId != "root")
								{
									directoryResults.ResultsFolderId = "root";
								}

								DirectoryRoot = directoryResults;

								CurrentDirectoryResult = directoryResults;

								break;
							}
							case "listparticipantsresult":
							{
								Debug.Console(1, this, "JTokenType: {0}", responseObj.Type);

								switch (responseObj.Type)
								{
									case JTokenType.Array:
										Status.Call.Participants =
											JsonConvert.DeserializeObject<List<zCommand.ListParticipant>>(
												responseObj.ToString());
										break;
									case JTokenType.Object:
									{
										// this is a single participant event notification

										var participant =
											JsonConvert.DeserializeObject<zCommand.ListParticipant>(
												responseObj.ToString());

										if (participant != null)
										{
											Debug.Console(1, this,
												"[DeserializeResponse] zCommands.listparticipantresult - participant.event: {0} **********************************",
												participant.Event);
											Debug.Console(1, this,
												"[DeserializeResponse] zCommands.listparticipantresult - participant.event: {0} - UserId: {1} Name: {2} IsHost: {3}",
												participant.Event, participant.UserId, participant.UserName, participant.IsHost);

											switch (participant.Event)
											{
												case "ZRCUserChangedEventUserInfoUpdated":
												case "ZRCUserChangedEventLeftMeeting":
												{
													var existingParticipant =
														Status.Call.Participants.FirstOrDefault(
															p => p.UserId.Equals(participant.UserId));

													if (existingParticipant != null)
													{
														switch (participant.Event)
														{
															case "ZRCUserChangedEventLeftMeeting":
																Status.Call.Participants.Remove(existingParticipant);
																break;
															case "ZRCUserChangedEventUserInfoUpdated":
																JsonConvert.PopulateObject(responseObj.ToString(),
																	existingParticipant);
																break;
														}
													}
												}
													break;
												case "ZRCUserChangedEventJoinedMeeting":
												{
													var existingParticipant =
														Status.Call.Participants.FirstOrDefault(p => p.UserId.Equals(participant.UserId));

													if (existingParticipant != null)
													{
														Debug.Console(1, this,
															"[DeserializeResponse] zCommands.listparticipantresult - participant.event: {0} ...updating matching UserId participant with UserId: {1} UserName: {2}",
															participant.Event, participant.UserId, participant.UserName);

														JsonConvert.PopulateObject(responseObj.ToString(), existingParticipant);
													}
													else
													{
														Debug.Console(1, this,
															"[DeserializeResponse] zCommands.listparticipantresult - participant.event: {0} ...adding participant with UserId: {1} UserName: {2}",
															participant.Event, participant.UserId, participant.UserName);

														Status.Call.Participants.Add(participant);
													}

													break;
												}
											}

											Debug.Console(1, this,
												"[DeserializeResponse] zCommands.listparticipantresult - participant.event: {0} ***********************************",
												participant.Event);
										}
									}
										break;
								}

								var participants =
									zCommand.ListParticipant.GetGenericParticipantListFromParticipantsResult(
										Status.Call.Participants);

								Participants.CurrentParticipants = participants;

                                // Update the share status of the meeting info
                                var meetingInfo = new MeetingInfo(
                                    MeetingInfo.Id, 
                                    MeetingInfo.Name, 
                                    Participants.Host.Name, 
                                    MeetingInfo.Password, 
                                    MeetingInfo.ShareStatus, 
                                    GetIsHostMyself(), 
                                    MeetingInfo.IsSharingMeeting, 
                                    MeetingInfo.WaitingForHost, 
                                    MeetingIsLockedFeedback.BoolValue);
                                MeetingInfo = meetingInfo;

								PrintCurrentCallParticipants();

								break;
							}
							default:
							{
								break;
							}
						}
						break;
					}
					case eZoomRoomResponseType.zEvent:
					{
						switch (topKey.ToLower())
						{
							case "phonebook":
							{
								if (responseObj["Updated Contact"] != null)
								{
									var updatedContact =
										JsonConvert.DeserializeObject<zStatus.Contact>(
											responseObj["Updated Contact"].ToString());

									var existingContact =
										Status.Phonebook.Contacts.FirstOrDefault(c => c.Jid.Equals(updatedContact.Jid));

									if (existingContact != null)
									{
										// Update existing contact
										JsonConvert.PopulateObject(responseObj["Updated Contact"].ToString(),
											existingContact);
									}
								}
								else if (responseObj["Added Contact"] != null)
								{
									var jToken = responseObj["Updated Contact"];
									if (jToken != null)
									{
										var newContact =
											JsonConvert.DeserializeObject<zStatus.Contact>(
												jToken.ToString());

										// Add a new contact
										Status.Phonebook.Contacts.Add(newContact);
									}
								}

								break;
							}
							case "bookingslistresult":
							{
								if (!_syncState.InitialSyncComplete)
								{
									_syncState.LastQueryResponseReceived();
								}

								var codecBookings = JsonConvert.DeserializeObject<List<zCommand.BookingsListResult>>(
									responseObj.ToString());

							    if (codecBookings != null && codecBookings.Count > 0)
							    {
							        CodecSchedule.Meetings = zCommand.GetGenericMeetingsFromBookingResult(
							            codecBookings, CodecSchedule.MeetingWarningMinutes);
							    }
							    else
							    {
							        //need to clear the list if it's empty
							        CodecSchedule.Meetings = new List<Meeting>();
							    }

								break;
							}
							case "bookings updated":
							{
								GetBookings();

								break;
							}
							case "sharingstate":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Call.Sharing);

								SetLayout();

								break;
							}
							case "incomingcallindication":
							{
								var incomingCall =
									JsonConvert.DeserializeObject<zEvent.IncomingCallIndication>(responseObj.ToString());

								if (incomingCall != null)
								{
									var newCall = new CodecActiveCallItem
									{
										Direction = eCodecCallDirection.Incoming,
										Status = eCodecCallStatus.Ringing,
										Type = eCodecCallType.Video,
										Name = incomingCall.callerName,
										Id = incomingCall.callerJID
									};

									ActiveCalls.Add(newCall);

									OnCallStatusChange(newCall);
								}

								break;
							}
							case "treatedincomingcallindication":
							{
								var incomingCall =
									JsonConvert.DeserializeObject<zEvent.IncomingCallIndication>(responseObj.ToString());

								if (incomingCall != null)
								{
									var existingCall =
										ActiveCalls.FirstOrDefault(c => c.Id.Equals(incomingCall.callerJID));

									if (existingCall != null)
									{
										existingCall.Status = !incomingCall.accepted
											? eCodecCallStatus.Disconnected
											: eCodecCallStatus.Connecting;

										OnCallStatusChange(existingCall);
									}

									UpdateCallStatus();
								}

								break;
							}
							case "calldisconnect":
							{
								var disconnectEvent =
									JsonConvert.DeserializeObject<zEvent.CallDisconnect>(responseObj.ToString());

								Debug.Console(1, this,
									"[DeserializeResponse] zEvent.calldisconnect ********************************************");
								Debug.Console(1, this, "[DeserializeResponse] zEvent.calldisconnect - disconnectEvent.Successful: {0}",
									disconnectEvent.Successful);

								if (disconnectEvent.Successful)
								{
									if (ActiveCalls.Count > 0)
									{
										var activeCall = ActiveCalls.FirstOrDefault(c => c.IsActiveCall);

										if (activeCall != null)
										{
											Debug.Console(1, this,
												"[DeserializeResponse] zEvent.calldisconnect - ActiveCalls.Count: {0} activeCall.Id: {1}, activeCall.Number: {2} activeCall.Name: {3}, activeCall.IsActive: {4}",
												ActiveCalls.Count, activeCall.Id, activeCall.Number, activeCall.Name, activeCall.IsActiveCall);
											activeCall.Status = eCodecCallStatus.Disconnected;

											OnCallStatusChange(activeCall);
										}
									}
								}

								Debug.Console(1, this,
									"[DeserializeResponse] zEvent.calldisconnect ********************************************");

								UpdateCallStatus();
								break;
							}
							case "callconnecterror":
							{
								UpdateCallStatus();
								break;
							}
							case "videounmuterequest":
							{
								// TODO: notify room of a request to unmute video
								break;
							}
							case "meetingneedspassword":
							{
                                var meetingNeedsPassword =
                                    responseObj.ToObject<zEvent.MeetingNeedsPassword>();

                                if (meetingNeedsPassword.NeedsPassword)
                                {
                                    var prompt = "Password required to join this meeting.  Please enter the meeting password.";

                                    OnPasswordRequired(meetingNeedsPassword.WrongAndRetry, false, false, prompt);
                                }
                                else
                                {
                                    OnPasswordRequired(false, false, true, "");
                                }

								break;
							}
							case "needwaitforhost":
							{
                                Status.NeedWaitForHost = JsonConvert.DeserializeObject<zEvent.NeedWaitForHost>(responseObj.ToString());

							    Debug.Console(1, this, "WaitingForHost: {0}", Status.NeedWaitForHost.Wait);

                                if (Status.NeedWaitForHost.Wait)
							    {
							        if (MeetingInfo == null)
							        {
							            MeetingInfo = new MeetingInfo("Waiting For Host", "Waiting For Host", "Waiting For Host", "",
                                            GetSharingStatus(), false, false, true, MeetingIsLockedFeedback.BoolValue);

                                        UpdateCallStatus();
							            break;
							        }

                                    MeetingInfo = new MeetingInfo("Waiting For Host", "Waiting For Host", "Waiting For Host", "",
                                        GetSharingStatus(), false, false, true, MeetingIsLockedFeedback.BoolValue);

							        UpdateCallStatus();

							        break;
							    }

							    if (MeetingInfo == null)
							    {
							        MeetingInfo = new MeetingInfo("Waiting For Host", "Waiting For Host", "Waiting For Host", "",
                                        GetSharingStatus(), false, false, false, MeetingIsLockedFeedback.BoolValue);
							        break;
							    }

							    MeetingInfo = new MeetingInfo(MeetingInfo.Id, MeetingInfo.Name, MeetingInfo.Host, MeetingInfo.Password,
                                    GetSharingStatus(), GetIsHostMyself(), false, false, MeetingIsLockedFeedback.BoolValue);

							    break;
							}
							case "openvideofailforhoststop":
							{
								// TODO: notify user that host has disabled unmuting video
								break;
							}
							case "updatedcallrecordinfo":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Call.CallRecordInfo);

								break;
							}
							case "phonecallstatus":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.PhoneCall);
								break;
							}
							case "pinstatusofscreennotification":
							{
								var status = responseObj.ToObject<zEvent.PinStatusOfScreenNotification>();

								Debug.Console(1, this, "Pin Status notification for UserId: {0}, ScreenIndex: {1}", status.PinnedUserId,
									status.ScreenIndex);

								Participant alreadyPinnedParticipant = null;

								// Check for a participant already pinned to the same screen index.
								if (status.PinnedUserId > 0)
								{
									alreadyPinnedParticipant =
										Participants.CurrentParticipants.FirstOrDefault(p => p.ScreenIndexIsPinnedToFb.Equals(status.ScreenIndex));

									// Make sure that the already pinned participant isn't the same ID as for this message.  If true, clear the pinned fb.
									if (alreadyPinnedParticipant != null && alreadyPinnedParticipant.UserId != status.PinnedUserId)
									{
										Debug.Console(1, this, "Participant: {0} with id: {1} already pinned to screenIndex {2}.  Clearing pinned fb.",
											alreadyPinnedParticipant.Name, alreadyPinnedParticipant.UserId,
											alreadyPinnedParticipant.ScreenIndexIsPinnedToFb);
										alreadyPinnedParticipant.IsPinnedFb = false;
										alreadyPinnedParticipant.ScreenIndexIsPinnedToFb = -1;
									}
								}

								var participant = Participants.CurrentParticipants.FirstOrDefault(p => p.UserId.Equals(status.PinnedUserId));

								if (participant != null)
								{
									participant.IsPinnedFb = true;
									participant.ScreenIndexIsPinnedToFb = status.ScreenIndex;
								}
								else
								{
									participant =
										Participants.CurrentParticipants.FirstOrDefault(p => p.ScreenIndexIsPinnedToFb.Equals(status.ScreenIndex));

									if (participant == null && alreadyPinnedParticipant == null)
									{
										Debug.Console(1, this, "no matching participant found by pinned_user_id: {0} or screen_index: {1}",
											status.PinnedUserId, status.ScreenIndex);
										return;
									}
									else if (participant != null)
									{
										Debug.Console(2, this, "Unpinning {0} with id: {1} from screen index: {2}", participant.Name,
											participant.UserId, status.ScreenIndex);
										participant.IsPinnedFb = false;
										participant.ScreenIndexIsPinnedToFb = -1;
									}
								}

								// fire the event as we've modified the participants list
								Participants.OnParticipantsChanged();

								break;
							}
                            case "startlocalpresentmeeting":
						    {
                                var result = JsonConvert.DeserializeObject<zEvent.StartLocalPresentMeeting>(responseObj.ToString());

						        if (result.Success)
						        {
                                    MeetingInfo = new MeetingInfo("", "", "", "", "", true, true, MeetingInfo.WaitingForHost, MeetingIsLockedFeedback.BoolValue);
						            break;
						        }

						        break;
						    }
							default:
							{
								break;
							}
						}
						break;
					}
					case eZoomRoomResponseType.zStatus:
					{
						switch (topKey.ToLower())
						{
							case "login":
							{
								_syncState.LoginResponseReceived();

                                SetupSession();

								JsonConvert.PopulateObject(responseObj.ToString(), Status.Login);

								break;
							}
							case "systemunit":
                            {

								JsonConvert.PopulateObject(responseObj.ToString(), Status.SystemUnit);

								break;
							}
							case "call":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Call);

								Debug.Console(1, this,
									"[DeserializeResponse] zStatus.call - Status.Call.Info.meeting_id: {0} Status.Call.Info.meeting_list_item.meetingName: {1}",
									Status.Call.Info.meeting_id, Status.Call.Info.meeting_list_item.meetingName);
								foreach (var participant in Status.Call.Participants)
								{
									Debug.Console(1, this,
										"[DeserializeResponse] zStatus.call - Status.Call.Participants participant.UserId: {0} participant.UserName: {1}",
										participant.UserId, participant.UserName);
								}

								UpdateCallStatus();

								break;
							}
							case "capabilities":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Capabilities);
								break;
							}
							case "sharing":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Sharing);

								break;
							}
							case "numberofscreens":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.NumberOfScreens);
								break;
							}
							case "video":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Video);
								break;
							}
							case "camerashare":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.CameraShare);
								break;
							}
							case "layout":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Layout);
								break;
							}
							case "audio input line":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.AudioInputs);
								break;
							}
							case "audio output line":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.AudioOuputs);
								break;
							}
							case "video camera line":
							{
								JsonConvert.PopulateObject(responseObj.ToString(), Status.Cameras);

								if (!_syncState.CamerasHaveBeenSetUp)
								{
									SetUpCameras();
								}

								break;
							}
							default:
							{
								break;
							}
						}

						break;
					}
					default:
					{
						Debug.Console(1, "Unknown Response Type:");
						break;
					}
				}
			}
			catch (Exception ex)
			{
				Debug.Console(1, this, "Error Deserializing feedback: {0}", ex.Message);
			    Debug.Console(2, this, "{0}", ex);

			    if (ex.InnerException != null)
			    {
			        Debug.Console(1, this,"Error Deserializing feedback inner exception: {0}", ex.InnerException.Message);
                    Debug.Console(2, this, "{0}", ex.InnerException.StackTrace);
			    }
			}
		}

		private void SetLayout()
		{
			if (!_props.AutoDefaultLayouts) return;

			if (
				(Status.Call.Sharing.State == zEvent.eSharingState.Receiving ||
				 Status.Call.Sharing.State == zEvent.eSharingState.Sending))
			{
				SendText(String.Format("zconfiguration call layout style: {0}",
					_props.DefaultSharingLayout));
			}
			else
			{
				SendText(String.Format("zconfiguration call layout style: {0}",
					_props.DefaultCallLayout));
			}
		}

		/// <summary>
		/// Retrieves the current call participants list
		/// </summary>
		public void GetCurrentCallParticipants()
		{
			SendText("zCommand Call ListParticipants");
		}

		/// <summary>
		/// Prints the current call particiapnts list
		/// </summary>
		public void PrintCurrentCallParticipants()
		{
			if (Debug.Level <= 0) return;

			Debug.Console(1, this, "*************************** Call Participants **************************");
			foreach (var participant in Participants.CurrentParticipants)
			{
				Debug.Console(1, this, "UserId: {3} Name: {0} Audio: {1} IsHost: {2}",
					participant.Name, participant.AudioMuteFb, participant.IsHost, participant.UserId);
			}
			Debug.Console(1, this, "************************************************************************");
		}

		/// <summary>
		/// Retrieves bookings list
		/// </summary>
		private void GetBookings()
		{
			SendText("zCommand Bookings List");
		}


		/// <summary>
		/// Updates the current call status
		/// </summary>
		private void UpdateCallStatus()
		{
		    Debug.Console(1, this,
		        "[UpdateCallStatus] Current Call Status: {0} Active Call Count: {1} Need Wait For Host: {2}",
		        Status.Call != null ? Status.Call.Status.ToString() : "no call", ActiveCalls.Count, Status.NeedWaitForHost.Wait);

			if (Status.Call != null)
			{
				var callStatus = Status.Call.Status;

				// If not crrently in a meeting, intialize the call object
				if (callStatus != zStatus.eCallStatus.IN_MEETING && callStatus != zStatus.eCallStatus.CONNECTING_MEETING)
				{
                    //Debug.Console(1, this, "[UpdateCallStatus] Creating new Status.Call object");
					Status.Call = new zStatus.Call {Status = callStatus};

					OnCallStatusChange(new CodecActiveCallItem() {Status = eCodecCallStatus.Disconnected});

					SetUpCallFeedbackActions();
				}

				if (ActiveCalls.Count == 0)
				{
					if (callStatus == zStatus.eCallStatus.CONNECTING_MEETING ||
					    callStatus == zStatus.eCallStatus.IN_MEETING)
					{
						var newStatus = eCodecCallStatus.Unknown;

						switch (callStatus)
						{
							case zStatus.eCallStatus.CONNECTING_MEETING:
								newStatus = eCodecCallStatus.Connecting;
								break;
							case zStatus.eCallStatus.IN_MEETING:
								newStatus = eCodecCallStatus.Connected;
								break;
						}

						if (!string.IsNullOrEmpty(Status.Call.Info.meeting_id))
						{
							var newCall = new CodecActiveCallItem
							{
								Name = Status.Call.Info.meeting_list_item.meetingName,
								Number = Status.Call.Info.meeting_list_item.meetingNumber,
								Id = Status.Call.Info.meeting_id,
								Status = newStatus,
								Type = eCodecCallType.Video,
							};

						    if (!String.IsNullOrEmpty(_lastDialedMeetingNumber))
						    {
						        _lastDialedMeetingNumber = String.Empty;
						    }
							ActiveCalls.Add(newCall);

							OnCallStatusChange(newCall);
						} else if (String.IsNullOrEmpty(Status.Call.Info.meeting_id) && Status.NeedWaitForHost.Wait)
						{
                            var newCall = new CodecActiveCallItem
                            {
                                Name = "Waiting For Host",
                                Number = "Waiting For Host",
                                Id = "Waiting For Host",
                                Status = newStatus,
                                Type = eCodecCallType.Video,
                            };

                            if (!String.IsNullOrEmpty(_lastDialedMeetingNumber))
                            {
                                _lastDialedMeetingNumber = String.Empty;
                            }

                            ActiveCalls.Add(newCall);

                            OnCallStatusChange(newCall);
						}
					}
				}
				else
				{
					var existingCall = ActiveCalls.FirstOrDefault(c => !c.Status.Equals(eCodecCallStatus.Ringing));

					switch (callStatus)
					{
						case zStatus.eCallStatus.IN_MEETING:
                            if (Status.NeedWaitForHost.Wait)
                            {
                                Status.NeedWaitForHost.Wait = false;
                            }
							existingCall.Status = eCodecCallStatus.Connected;
							break;
						case zStatus.eCallStatus.NOT_IN_MEETING:
					        if (Status.NeedWaitForHost.Wait)
					        {
					            Status.NeedWaitForHost.Wait = false;
					        }
							existingCall.Status = eCodecCallStatus.Disconnected;
							break;
					}

					Debug.Console(1, this, "[UpdateCallStatus] ELSE ActiveCalls.Count == {1} - Current Call Status: {0}",
						Status.Call != null ? Status.Call.Status.ToString() : "no call", ActiveCalls.Count);
				    

					OnCallStatusChange(existingCall);
				}
			}

			Debug.Console(1, this, "[UpdateCallStatus] Active Calls ------------------------------");

			// Clean up any disconnected calls left in the list
			for (int i = 0; i < ActiveCalls.Count; i++)
			{
				var call = ActiveCalls[i];

				Debug.Console(1, this,
					@"ID: {1}
					Number: {5}
					Name: {0}                    
                    IsActive: {2}
                    Status: {3}
                    Direction: {4}
					IsActiveCall: {6}", call.Name, call.Id, call.IsActiveCall, call.Status, call.Direction, call.Number,
					call.IsActiveCall);

				if (!call.IsActiveCall)
				{
					Debug.Console(1, this, "[UpdateCallStatus] Removing Inactive call.Id: {1} call.Name: {0}", call.Name, call.Id);
					ActiveCalls.Remove(call);
				}
			}
			Debug.Console(1, this, "[UpdateCallStatus] Active Calls ------------------------------");

			//clear participants list after call cleanup
			var emptyList = new List<Participant>();
			Participants.CurrentParticipants = emptyList;
			if (ActiveCalls.Count > 0) GetCurrentCallParticipants();
		}

		protected override void OnCallStatusChange(CodecActiveCallItem item)
		{
            if (item.Status == eCodecCallStatus.Connected)
            {

                var host = "";

                if (Participants.Host != null)
                    host = Participants.Host.Name;

                MeetingInfo = new MeetingInfo(
                    Status.Call.Info.meeting_id,
                    Status.Call.Info.meeting_list_item.meetingName,
                    host,
                    Status.Call.Info.meeting_password,
                    GetSharingStatus(),
                    GetIsHostMyself(),
                    !String.Equals(Status.Call.Info.meeting_type,"NORMAL"),
                    false,
                    MeetingIsLockedFeedback.BoolValue
                    );
            }
            // TODO [ ] Issue #868
            else if (item.Status == eCodecCallStatus.Disconnected)
            {
                MeetingInfo = new MeetingInfo(
                    string.Empty,
                    string.Empty,
                    string.Empty,
                    string.Empty,
                    string.Empty,
                    false,
                    false,
                    false,
                    false
                    );
            }

            base.OnCallStatusChange(item);

			Debug.Console(1, this, "[OnCallStatusChange] Current Call Status: {0}",
				Status.Call != null ? Status.Call.Status.ToString() : "no call");

			if (_props.AutoDefaultLayouts)
			{
				SetLayout();
			}
		}

        private string GetSharingStatus()
        {
            string sharingState = "None";

            try
            {
                if (Status.Call.Sharing.State == zEvent.eSharingState.Receiving)
                {
                    sharingState = "Receiving Content";
                }
                if (Status.Sharing.isAirHostClientConnected)
                {
                    sharingState = "Sharing AirPlay";
                }
                if (Status.Sharing.isDirectPresentationConnected)
                {
                    sharingState = "Sharing Laptop";
                }
                if (Status.Sharing.isSharingBlackMagic)
                {
                    sharingState = "Sharing HDMI Source";
                }

                return sharingState;
            }
            catch (Exception e)
            {
                Debug.Console(1, this, "Exception getting sharing status: {0}", e.Message);
                Debug.Console(2, this, "{0}", e.StackTrace);
                return sharingState;
            }
        }

        /// <summary>
        /// Will return true if the host is myself (this zoom room)
        /// </summary>
        /// <returns></returns>
        private bool GetIsHostMyself()
        {
            try
            {
                if (Participants.CurrentParticipants.Count == 0)
                {
                    Debug.Console(2, this, "No current participants");
                    return false;
                }

                var host = Participants.Host;

                if(host == null)
                {
                    Debug.Console(2, this, "Host is currently null");
                    return false;
                }
                Debug.Console(2, this, "Host is: '{0}' IsMyself?: {1}", host.Name, host.IsMyself);
                return host.IsMyself;
            }
            catch (Exception e)
            {
                Debug.Console(1, "Exception getting isHost: {0}", e.Message);
                Debug.Console(2, "{0}", e.StackTrace);
                return false;
            }
        }

		public override void StartSharing()
		{
			SendText("zCommand Call Sharing HDMI Start");
		}

		/// <summary>
		/// Stops sharing the current presentation
		/// </summary>
		public override void StopSharing()
		{
		    if (Status.Sharing.isSharingBlackMagic)
		    {
		        SendText("zCommand Call Sharing HDMI Stop");
		    }
		    else
		    {
		        SendText("zCommand Call Sharing Disconnect");
		    }
		}

		public override void PrivacyModeOn()
		{
			SendText("zConfiguration Call Microphone Mute: on");
		}

		public override void PrivacyModeOff()
		{
			SendText("zConfiguration Call Microphone Mute: off");
		}

		public override void PrivacyModeToggle()
		{
			if (PrivacyModeIsOnFeedback.BoolValue)
			{
				PrivacyModeOff();
			}
			else
			{
				PrivacyModeOn();
			}
		}

		public override void MuteOff()
		{
			Debug.Console(2, this, "Unmuting to previous level: {0}", _previousVolumeLevel);
			SetVolume((ushort) _previousVolumeLevel);
		}

		public override void MuteOn()
		{
			SetVolume(0);
		}

		public override void MuteToggle()
		{
			if (MuteFeedback.BoolValue)
			{
				MuteOff();
			}
			else
			{
				MuteOn();
			}
		}


		/// <summary>
		/// Increments the voluem
		/// </summary>
		/// <param name="pressRelease"></param>
		public override void VolumeUp(bool pressRelease)
		{
			// TODO: Implment volume decrement that calls SetVolume()
		}

		/// <summary>
		/// Decrements the volume
		/// </summary>
		/// <param name="pressRelease"></param>
		public override void VolumeDown(bool pressRelease)
		{
			// TODO: Implment volume decrement that calls SetVolume()
		}

		/// <summary>
		/// Scales the level and sets the codec to the specified level within its range
		/// </summary>
		/// <param name="level">level from slider (0-65535 range)</param>
		public override void SetVolume(ushort level)
		{
			var scaledLevel = CrestronEnvironment.ScaleWithLimits(level, 65535, 0, 100, 0);
			SendText(string.Format("zConfiguration Audio Output volume: {0}", scaledLevel));
		}

		/// <summary>
		/// Recalls the default volume on the codec
		/// </summary>
		public void VolumeSetToDefault()
		{
		}

		/// <summary>
		/// 
		/// </summary>
		public override void StandbyActivate()
		{
			// No corresponding function on device
		}

		/// <summary>
		/// 
		/// </summary>
		public override void StandbyDeactivate()
		{
			// No corresponding function on device
		}

		public override void LinkToApi(BasicTriList trilist, uint joinStart, string joinMapKey, EiscApiAdvanced bridge)
		{
			var joinMap = new ZoomRoomJoinMap(joinStart);

			var customJoins = JoinMapHelper.TryGetJoinMapAdvancedForDevice(joinMapKey);

			if (customJoins != null)
			{
				joinMap.SetCustomJoinData(customJoins);
			}

			if (bridge != null)
			{
				bridge.AddJoinMap(Key, joinMap);
			}

			LinkVideoCodecToApi(this, trilist, joinMap);

			LinkZoomRoomToApi(trilist, joinMap);
		}

		/// <summary>
		/// Links all the specific Zoom functionality to the API bridge
		/// </summary>
		/// <param name="trilist"></param>
		/// <param name="joinMap"></param>
		public void LinkZoomRoomToApi(BasicTriList trilist, ZoomRoomJoinMap joinMap)
		{
			var layoutsCodec = this as IHasZoomRoomLayouts;
			if (layoutsCodec != null)
			{
				layoutsCodec.LayoutInfoChanged += (o, a) =>
				{
					trilist.SetBool(joinMap.LayoutGalleryIsAvailable.JoinNumber, 
                        zConfiguration.eLayoutStyle.Gallery == (a.AvailableLayouts & zConfiguration.eLayoutStyle.Gallery));

					trilist.SetBool(joinMap.LayoutSpeakerIsAvailable.JoinNumber, 
                        zConfiguration.eLayoutStyle.Speaker == (a.AvailableLayouts & zConfiguration.eLayoutStyle.Speaker));
					                                                             
					                                                             
					                                                              
					trilist.SetBool(joinMap.LayoutStripIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.Strip
					                                                           ==
					                                                           (a.AvailableLayouts & zConfiguration.eLayoutStyle.Strip));
					trilist.SetBool(joinMap.LayoutShareAllIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.ShareAll
					                                                              ==
					                                                              (a.AvailableLayouts &
					                                                               zConfiguration.eLayoutStyle.ShareAll));

					// pass the names used to set the layout through the bridge
					trilist.SetString(joinMap.LayoutGalleryIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.Gallery.ToString());
					trilist.SetString(joinMap.LayoutSpeakerIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.Speaker.ToString());
					trilist.SetString(joinMap.LayoutStripIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.Strip.ToString());
					trilist.SetString(joinMap.LayoutShareAllIsAvailable.JoinNumber, zConfiguration.eLayoutStyle.ShareAll.ToString());
				};

				trilist.SetSigFalseAction(joinMap.SwapContentWithThumbnail.JoinNumber, () => layoutsCodec.SwapContentWithThumbnail());

				layoutsCodec.CanSwapContentWithThumbnailFeedback.LinkInputSig(
					trilist.BooleanInput[joinMap.CanSwapContentWithThumbnail.JoinNumber]);
				layoutsCodec.ContentSwappedWithThumbnailFeedback.LinkInputSig(
					trilist.BooleanInput[joinMap.SwapContentWithThumbnail.JoinNumber]);

				layoutsCodec.LayoutViewIsOnFirstPageFeedback.LinkInputSig(
					trilist.BooleanInput[joinMap.LayoutIsOnFirstPage.JoinNumber]);
				layoutsCodec.LayoutViewIsOnLastPageFeedback.LinkInputSig(trilist.BooleanInput[joinMap.LayoutIsOnLastPage.JoinNumber]);
				trilist.SetSigFalseAction(joinMap.LayoutTurnToNextPage.JoinNumber, () => layoutsCodec.LayoutTurnNextPage());
				trilist.SetSigFalseAction(joinMap.LayoutTurnToPreviousPage.JoinNumber, () => layoutsCodec.LayoutTurnPreviousPage());
				trilist.SetSigFalseAction(joinMap.GetAvailableLayouts.JoinNumber, () => layoutsCodec.GetAvailableLayouts());

				trilist.SetStringSigAction(joinMap.GetSetCurrentLayout.JoinNumber, (s) =>
				{
					try
					{
						var style = (zConfiguration.eLayoutStyle) Enum.Parse(typeof (zConfiguration.eLayoutStyle), s, true);
						SetLayout(style);
					}
					catch (Exception e)
					{
						Debug.Console(1, this, "Unable to parse '{0}' to zConfiguration.eLayoutStyle: {1}", s, e);
					}
				});

				layoutsCodec.LocalLayoutFeedback.LinkInputSig(trilist.StringInput[joinMap.GetSetCurrentLayout.JoinNumber]);
			}

			var pinCodec = this as IHasParticipantPinUnpin;
			if (pinCodec != null)
			{
				pinCodec.NumberOfScreensFeedback.LinkInputSig(trilist.UShortInput[joinMap.NumberOfScreens.JoinNumber]);

				// Set the value of the local property to be used when pinning a participant
				trilist.SetUShortSigAction(joinMap.ScreenIndexToPinUserTo.JoinNumber, (u) => ScreenIndexToPinUserTo = u);
			}

			var layoutSizeCodec = this as IHasSelfviewSize;
			if (layoutSizeCodec != null)
			{
				trilist.SetSigFalseAction(joinMap.GetSetSelfviewPipSize.JoinNumber, layoutSizeCodec.SelfviewPipSizeToggle);
				trilist.SetStringSigAction(joinMap.GetSetSelfviewPipSize.JoinNumber, (s) =>
				{
					try
					{
						var size = (zConfiguration.eLayoutSize) Enum.Parse(typeof (zConfiguration.eLayoutSize), s, true);
						var cmd = SelfviewPipSizes.FirstOrDefault(c => c.Command.Equals(size.ToString()));
						SelfviewPipSizeSet(cmd);
					}
					catch (Exception e)
					{
						Debug.Console(1, this, "Unable to parse '{0}' to zConfiguration.eLayoutSize: {1}", s, e);
					}
				});

				layoutSizeCodec.SelfviewPipSizeFeedback.LinkInputSig(trilist.StringInput[joinMap.GetSetSelfviewPipSize.JoinNumber]);
			}

		    PasswordRequired += (device, args) =>
		    {
		        if (args.LoginAttemptCancelled)
		        {
		            trilist.SetBool(joinMap.ShowPasswordPrompt.JoinNumber, false);
		            return;
		        }

		        if (!string.IsNullOrEmpty(args.Message))
		        {
		            trilist.SetString(joinMap.PasswordPromptMessage.JoinNumber, args.Message);
		        }

		        if (args.LoginAttemptFailed)
		        {
                    trilist.SetBool(joinMap.PasswordLoginFailed.JoinNumber, true);
		            return;
		        }                

                trilist.SetBool(joinMap.ShowPasswordPrompt.JoinNumber, true);
		    };

		    MeetingInfoChanged += (device, args) =>
		    {
                trilist.SetString(joinMap.MeetingInfoId.JoinNumber, args.Info.Id);
                trilist.SetString(joinMap.MeetingInfoHost.JoinNumber, args.Info.Host);
                trilist.SetString(joinMap.MeetingInfoPassword.JoinNumber, args.Info.Password);
		        trilist.SetBool(joinMap.IsHost.JoinNumber, args.Info.IsHost);
		        trilist.SetBool(joinMap.ShareOnlyMeeting.JoinNumber, args.Info.IsSharingMeeting);
                trilist.SetBool(joinMap.WaitingForHost.JoinNumber, args.Info.WaitingForHost);
                //trilist.SetString(joinMap.CurrentSource.JoinNumber, args.Info.ShareStatus);
		    };

		    trilist.SetSigTrueAction(joinMap.StartMeetingNow.JoinNumber, () => StartMeeting(0));
		    trilist.SetSigTrueAction(joinMap.ShareOnlyMeeting.JoinNumber, StartSharingOnlyMeeting);
            trilist.SetSigTrueAction(joinMap.StartNormalMeetingFromSharingOnlyMeeting.JoinNumber, StartNormalMeetingFromSharingOnlyMeeting);

            // not sure if this would be needed here, should be handled by VideoCodecBase.cs LinkToApi methods
            //DirectoryResultReturned += (device, args) =>
            //{
            //    // add logic here if necessary when event fires

            //};


			trilist.SetStringSigAction(joinMap.SubmitPassword.JoinNumber, SubmitPassword);
			PasswordRequired += (devices, args) =>
			{
				if (args.LoginAttemptCancelled)
				{
					trilist.SetBool(joinMap.ShowPasswordPrompt.JoinNumber, false);
					return;
				}

				if (!string.IsNullOrEmpty(args.Message))
				{
					trilist.SetString(joinMap.PasswordPromptMessage.JoinNumber, args.Message);
				}

				if (args.LoginAttemptFailed)
				{
					// login attempt failed
					return;
				}

				trilist.SetBool(joinMap.PasswordIncorrect.JoinNumber, args.LastAttemptWasIncorrect);
				trilist.SetBool(joinMap.ShowPasswordPrompt.JoinNumber, true);
			};

			trilist.OnlineStatusChange += (device, args) =>
			{
				if (!args.DeviceOnLine) return;

				ComputeAvailableLayouts();
				layoutsCodec.LocalLayoutFeedback.FireUpdate();
				layoutsCodec.CanSwapContentWithThumbnailFeedback.FireUpdate();
				layoutsCodec.ContentSwappedWithThumbnailFeedback.FireUpdate();
				layoutsCodec.LayoutViewIsOnFirstPageFeedback.FireUpdate();
				layoutsCodec.LayoutViewIsOnLastPageFeedback.FireUpdate();
				pinCodec.NumberOfScreensFeedback.FireUpdate();
				layoutSizeCodec.SelfviewPipSizeFeedback.FireUpdate();
			};
		}

		public override void ExecuteSwitch(object selector)
		{
			var action = selector as Action;
			if (action == null)
			{
				return;
			}

			action();
		}

		public void AcceptCall()
		{
			var incomingCall =
				ActiveCalls.FirstOrDefault(
					c => c.Status.Equals(eCodecCallStatus.Ringing) && c.Direction.Equals(eCodecCallDirection.Incoming));

			AcceptCall(incomingCall);
		}

		public override void AcceptCall(CodecActiveCallItem call)
		{
			SendText(string.Format("zCommand Call Accept callerJID: {0}", call.Id));

			call.Status = eCodecCallStatus.Connected;

			OnCallStatusChange(call);

			UpdateCallStatus();
		}

		public void RejectCall()
		{
			var incomingCall =
				ActiveCalls.FirstOrDefault(
					c => c.Status.Equals(eCodecCallStatus.Ringing) && c.Direction.Equals(eCodecCallDirection.Incoming));

			RejectCall(incomingCall);
		}

		public override void RejectCall(CodecActiveCallItem call)
		{
			SendText(string.Format("zCommand Call Reject callerJID: {0}", call.Id));

			call.Status = eCodecCallStatus.Disconnected;

			OnCallStatusChange(call);

			UpdateCallStatus();
		}

		public override void Dial(Meeting meeting)
		{
			Debug.Console(1, this, "Dialing meeting.Id: {0} Title: {1}", meeting.Id, meeting.Title);
		    _lastDialedMeetingNumber = meeting.Id;
			SendText(string.Format("zCommand Dial Start meetingNumber: {0}", meeting.Id));
		}

		public override void Dial(string number)
		{
		    Debug.Console(2, this, "Dialing number: {0}", number);
            _lastDialedMeetingNumber = number;
			SendText(string.Format("zCommand Dial Join meetingNumber: {0}", number));
		}

        /// <summary>
        /// Dials a meeting with a password
        /// </summary>
        /// <param name="number"></param>
        /// <param name="password"></param>
        public void Dial(string number, string password)
        {
            Debug.Console(2, this, "Dialing meeting number: {0} with password: {1}", number, password);
            SendText(string.Format("zCommand Dial Join meetingNumber: {0} password: {1}", number, password));
        }

		/// <summary>
		/// Invites a contact to either a new meeting (if not already in a meeting) or the current meeting.
		/// Currently only invites a single user
		/// </summary>
		/// <param name="contact"></param>
		public override void Dial(IInvitableContact contact)
		{
            var ic = contact as InvitableDirectoryContact;

			if (ic != null)
			{
				Debug.Console(1, this, "Attempting to Dial (Invite): {0}", ic.Name);

				if (!IsInCall)
				{
					SendText(string.Format("zCommand Invite Duration: {0} user: {1}", DefaultMeetingDurationMin,
						ic.ContactId));
				}
				else
				{
					SendText(string.Format("zCommand Call invite user: {0}", ic.ContactId));
				}
			}
		}

        /// <summary>
        /// Invites contacts to a new meeting for a specified duration
        /// </summary>
        /// <param name="contacts"></param>
        /// <param name="duration"></param>
        public void InviteContactsToNewMeeting(List<InvitableDirectoryContact> contacts, uint duration)
        {
            if(duration == 0)
            {
                duration = DefaultMeetingDurationMin;
            }

            StringBuilder message = new StringBuilder();

            // Add the prefix
            message.Append(string.Format("zCommand Invite Duration: {0}", duration));

            // Add each invitee
            foreach (var contact in contacts)
            {
                var invitee = string.Format(" user: {0}", contact.ContactId);

                message.Append(invitee);
            }

            SendText(message.ToString());
        }

        /// <summary>
        /// Invites contacts to an existing meeting
        /// </summary>
        /// <param name="contacts"></param>
        public void InviteContactsToExistingMeeting(List<InvitableDirectoryContact> contacts)
        {
            StringBuilder message = new StringBuilder();

            // Add the prefix
            message.Append(string.Format("zCommand Call Invite"));

            // Add each invitee
            foreach (var contact in contacts)
            {
                var invitee = string.Format(" user: {0}", contact.ContactId);

                message.Append(invitee);
            }

            SendText(message.ToString());
        }


        /// <summary>
        /// Starts a PMI Meeting for the specified duration (or default meeting duration if 0 is specified)
        /// </summary>
        /// <param name="duration">duration of meeting</param>
        public void StartMeeting(uint duration)
        {
            uint dur = DefaultMeetingDurationMin;

            if (duration > 0)
                dur = duration;

            SendText(string.Format("zCommand Dial StartPmi Duration: {0}", dur));
        }

        public void LeaveMeeting()
        {
            SendText("zCommand Call Leave");
        }

		public override void EndCall(CodecActiveCallItem call)
		{
			SendText("zCommand Call Disconnect");
		}

		public override void EndAllCalls()
		{
			SendText("zCommand Call Disconnect");
		}

		public override void SendDtmf(string s)
		{
			SendDtmfToPhone(s);
		}

		/// <summary>
		/// Call when directory results are updated
		/// </summary>
		/// <param name="result"></param>
		private void OnDirectoryResultReturned(CodecDirectory result)
		{
			try
			{
				Debug.Console(2, this, "OnDirectoryResultReturned");

				var directoryResult = new CodecDirectory();

				// If result is Root, create a copy and filter out contacts whose parent folder is not root
				if (!CurrentDirectoryResultIsNotDirectoryRoot.BoolValue)
				{
					Debug.Console(2, this, "Filtering DirectoryRoot to remove contacts for display");

					directoryResult.ResultsFolderId = result.ResultsFolderId;
					directoryResult.AddFoldersToDirectory(result.Folders);
					directoryResult.AddContactsToDirectory(
						result.Contacts.Where((c) => c.ParentFolderId == result.ResultsFolderId).ToList());
				}
				else
				{
					directoryResult = result;
				}

				Debug.Console(2, this, "Updating directoryResult. IsOnRoot: {0}",
					!CurrentDirectoryResultIsNotDirectoryRoot.BoolValue);

				// This will return the latest results to all UIs.  Multiple indendent UI Directory browsing will require a different methodology
				var handler = DirectoryResultReturned;
				if (handler != null)
				{
					handler(this, new DirectoryEventArgs
					{
						Directory = directoryResult,
						DirectoryIsOnRoot = !CurrentDirectoryResultIsNotDirectoryRoot.BoolValue
					});
				}
			}
			catch (Exception e)
			{
				Debug.Console(2, this, "Error: {0}", e);
			}

			//PrintDirectory(result);
		}

		/// <summary>
		/// Builds the cameras List by using the Zoom Room zStatus.Cameras data.  Could later be modified to build from config data
		/// </summary>
		private void SetUpCameras()
		{
			SelectedCameraFeedback = new StringFeedback(() => Configuration.Video.Camera.SelectedId);

			ControllingFarEndCameraFeedback = new BoolFeedback(() => SelectedCamera is IAmFarEndCamera);

			foreach (var cam in Status.Cameras)
			{
				// Known Issue:
				// Crestron UC engine systems seem to report an item in the cameras list that represnts the USB bridge device. 
				// If we know the name and it's reliably consistent, we could ignore it here...

				if (cam.Name.IndexOf("HD-CONV-USB") > -1)
				{
					// Skip this as it's the Crestron USB box, not a real camera
					continue;
				}

				var camera = new ZoomRoomCamera(cam.id, cam.Name, this);

				Cameras.Add(camera);

				if (cam.Selected)
				{
					SelectedCamera = camera;
				}
			}

			if (IsInCall)
			{
				UpdateFarEndCameras();
			}

			_syncState.CamerasSetUp();
		}

		/// <summary>
		/// Dynamically creates far end cameras for call participants who have far end control enabled.
		/// </summary>
		private void UpdateFarEndCameras()
		{
			// TODO: set up far end cameras for the current call
		}

		#region Implementation of IHasParticipants

		public CodecParticipants Participants { get; private set; }

        public void RemoveParticipant(int userId)
        {
            SendText(string.Format("zCommand Call Expel Id: {0}", userId));
        }

        public void SetParticipantAsHost(int userId)
        {
            SendText(string.Format("zCommand Call HostChange Id: {0}", userId));
        }

		#endregion

		#region IHasParticipantAudioMute Members

        public void MuteAudioForAllParticipants()
        {
            SendText(string.Format("zCommand Call MuteAll Mute: on"));
        }

		public void MuteAudioForParticipant(int userId)
		{
			SendText(string.Format("zCommand Call MuteParticipant Mute: on Id: {0}", userId));
		}

		public void UnmuteAudioForParticipant(int userId)
		{
			SendText(string.Format("zCommand Call MuteParticipant Mute: off Id: {0}", userId));
		}

		public void ToggleAudioForParticipant(int userId)
		{
			var user = Participants.CurrentParticipants.FirstOrDefault(p => p.UserId.Equals(userId));

			if (user == null)
			{
				Debug.Console(2, this, "Unable to find user with id: {0}", userId);
				return;
			}

			if (user.AudioMuteFb)
			{
				UnmuteAudioForParticipant(userId);
			}
			else
			{
				MuteAudioForParticipant(userId);
			}
		}

		#endregion

		#region IHasParticipantVideoMute Members

		public void MuteVideoForParticipant(int userId)
		{
			SendText(string.Format("zCommand Call MuteParticipantVideo Mute: on Id: {0}", userId));
		}

		public void UnmuteVideoForParticipant(int userId)
		{
			SendText(string.Format("zCommand Call MuteParticipantVideo Mute: off Id: {0}", userId));
		}

		public void ToggleVideoForParticipant(int userId)
		{
			var user = Participants.CurrentParticipants.FirstOrDefault(p => p.UserId.Equals(userId));

			if (user == null)
			{
				Debug.Console(2, this, "Unable to find user with id: {0}", userId);
				return;
			}

			if (user.VideoMuteFb)
			{
				UnmuteVideoForParticipant(userId);
			}
			else
			{
				MuteVideoForParticipant(userId);
			}
		}

		#endregion

		#region IHasParticipantPinUnpin Members

		private Func<int> NumberOfScreensFeedbackFunc
		{
			get { return () => Status.NumberOfScreens.NumOfScreens; }
		}

		public IntFeedback NumberOfScreensFeedback { get; private set; }

		public int ScreenIndexToPinUserTo { get; private set; }

		public void PinParticipant(int userId, int screenIndex)
		{
			SendText(string.Format("zCommand Call Pin Id: {0} Enable: on Screen: {1}", userId, screenIndex));
		}

		public void UnPinParticipant(int userId)
		{
			SendText(string.Format("zCommand Call Pin Id: {0} Enable: off", userId));
		}

		public void ToggleParticipantPinState(int userId, int screenIndex)
		{
			var user = Participants.CurrentParticipants.FirstOrDefault(p => p.UserId.Equals(userId));

			if (user == null)
			{
				Debug.Console(2, this, "Unable to find user with id: {0}", userId);
				return;
			}

			if (user.IsPinnedFb)
			{
				UnPinParticipant(userId);
			}
			else
			{
				PinParticipant(userId, screenIndex);
			}
		}

		#endregion

		#region Implementation of IHasCameraOff

		public BoolFeedback CameraIsOffFeedback { get; private set; }

		public void CameraOff()
		{
			CameraMuteOn();
		}

		#endregion

		public BoolFeedback CameraIsMutedFeedback { get; private set; }

		public void CameraMuteOn()
		{
			SendText("zConfiguration Call Camera Mute: On");
		}

		public void CameraMuteOff()
		{
			SendText("zConfiguration Call Camera Mute: Off");
		}

		public void CameraMuteToggle()
		{
			if (CameraIsMutedFeedback.BoolValue)
				CameraMuteOff();
			else
				CameraMuteOn();
		}

		#region Implementation of IHasCameraAutoMode

		//Zoom doesn't support camera auto modes. Setting this to just unmute video
		public void CameraAutoModeOn()
		{
			CameraMuteOff();
			throw new NotImplementedException("Zoom Room Doesn't support camera auto mode");
		}

		//Zoom doesn't support camera auto modes. Setting this to just unmute video
		public void CameraAutoModeOff()
		{
			SendText("zConfiguration Call Camera Mute: Off");
		}

		public void CameraAutoModeToggle()
		{
			throw new NotImplementedException("Zoom Room doesn't support camera auto mode");
		}

		public BoolFeedback CameraAutoModeIsOnFeedback { get; private set; }

		#endregion

		#region Implementation of IHasFarEndContentStatus

		public BoolFeedback ReceivingContent { get; private set; }

		#endregion

		#region Implementation of IHasSelfviewPosition

		private CodecCommandWithLabel _currentSelfviewPipPosition;

		public StringFeedback SelfviewPipPositionFeedback { get; private set; }

		public void SelfviewPipPositionSet(CodecCommandWithLabel position)
		{
			SendText(String.Format("zConfiguration Call Layout Position: {0}", position.Command));
		}

		public void SelfviewPipPositionToggle()
		{
			if (_currentSelfviewPipPosition != null)
			{
				var nextPipPositionIndex = SelfviewPipPositions.IndexOf(_currentSelfviewPipPosition) + 1;

				if (nextPipPositionIndex >= SelfviewPipPositions.Count)
					// Check if we need to loop back to the first item in the list
					nextPipPositionIndex = 0;

				SelfviewPipPositionSet(SelfviewPipPositions[nextPipPositionIndex]);
			}
		}

		public List<CodecCommandWithLabel> SelfviewPipPositions = new List<CodecCommandWithLabel>()
		{
			new CodecCommandWithLabel("UpLeft", "Center Left"),
			new CodecCommandWithLabel("UpRight", "Center Right"),
			new CodecCommandWithLabel("DownRight", "Lower Right"),
			new CodecCommandWithLabel("DownLeft", "Lower Left")
		};

		private void ComputeSelfviewPipPositionStatus()
		{
			_currentSelfviewPipPosition =
				SelfviewPipPositions.FirstOrDefault(
					p => p.Command.ToLower().Equals(Configuration.Call.Layout.Position.ToString().ToLower()));
		}

		#endregion

		// TODO: #714 [ ] Implementation of IHasSelfviewPipSize

		#region Implementation of IHasSelfviewPipSize

		private CodecCommandWithLabel _currentSelfviewPipSize;

		public StringFeedback SelfviewPipSizeFeedback { get; private set; }

		public void SelfviewPipSizeSet(CodecCommandWithLabel size)
		{
			SendText(String.Format("zConfiguration Call Layout Size: {0}", size.Command));
		}

		public void SelfviewPipSizeToggle()
		{
			if (_currentSelfviewPipSize != null)
			{
				var nextPipSizeIndex = SelfviewPipSizes.IndexOf(_currentSelfviewPipSize) + 1;

				if (nextPipSizeIndex >= SelfviewPipSizes.Count)
					// Check if we need to loop back to the first item in the list
					nextPipSizeIndex = 0;

				SelfviewPipSizeSet(SelfviewPipSizes[nextPipSizeIndex]);
			}
		}

		public List<CodecCommandWithLabel> SelfviewPipSizes = new List<CodecCommandWithLabel>()
		{
			new CodecCommandWithLabel("Off", "Off"),
			new CodecCommandWithLabel("Size1", "Size 1"),
			new CodecCommandWithLabel("Size2", "Size 2"),
			new CodecCommandWithLabel("Size3", "Size 3"),
			new CodecCommandWithLabel("Strip", "Strip")
		};

		private void ComputeSelfviewPipSizeStatus()
		{
			_currentSelfviewPipSize =
				SelfviewPipSizes.FirstOrDefault(
					p => p.Command.ToLower().Equals(Configuration.Call.Layout.Size.ToString().ToLower()));
		}

		#endregion

		#region Implementation of IHasPhoneDialing

		private Func<bool> PhoneOffHookFeedbackFunc
		{
			get { return () => Status.PhoneCall.OffHook; }
		}

		private Func<string> CallerIdNameFeedbackFunc
		{
			get { return () => Status.PhoneCall.PeerDisplayName; }
		}

		private Func<string> CallerIdNumberFeedbackFunc
		{
			get { return () => Status.PhoneCall.PeerNumber; }
		}

		public BoolFeedback PhoneOffHookFeedback { get; private set; }
		public StringFeedback CallerIdNameFeedback { get; private set; }
		public StringFeedback CallerIdNumberFeedback { get; private set; }

		public void DialPhoneCall(string number)
		{
			SendText(String.Format("zCommand Dial PhoneCallOut Number: {0}", number));
		}

		public void EndPhoneCall()
		{
			SendText(String.Format("zCommand Dial PhoneHangUp CallId: {0}", Status.PhoneCall.CallId));
		}

		public void SendDtmfToPhone(string digit)
		{
			SendText(String.Format("zCommand SendSipDTMF CallId: {0} Key: {1}", Status.PhoneCall.CallId, digit));
		}

		#endregion

		#region IHasZoomRoomLayouts Members

		public event EventHandler<LayoutInfoChangedEventArgs> LayoutInfoChanged;

		private Func<bool> LayoutViewIsOnFirstPageFeedbackFunc
		{
			get { return () => Status.Layout.is_In_First_Page; }
		}

		private Func<bool> LayoutViewIsOnLastPageFeedbackFunc
		{
			get { return () => Status.Layout.is_In_Last_Page; }
		}

		private Func<bool> CanSwapContentWithThumbnailFeedbackFunc
		{
			get { return () => Status.Layout.can_Switch_Floating_Share_Content; }
		}

		private Func<bool> ContentSwappedWithThumbnailFeedbackFunc
		{
			get { return () => Configuration.Call.Layout.ShareThumb; }
		}

		public BoolFeedback LayoutViewIsOnFirstPageFeedback { get; private set; }

		public BoolFeedback LayoutViewIsOnLastPageFeedback { get; private set; }

		public BoolFeedback CanSwapContentWithThumbnailFeedback { get; private set; }

		public BoolFeedback ContentSwappedWithThumbnailFeedback { get; private set; }


		public zConfiguration.eLayoutStyle LastSelectedLayout { get; private set; }

		public zConfiguration.eLayoutStyle AvailableLayouts { get; private set; }

		/// <summary>
		/// Reads individual properties to determine if which layouts are avalailable
		/// </summary>
		private void ComputeAvailableLayouts()
		{
			Debug.Console(1, this, "Computing available layouts...");
			zConfiguration.eLayoutStyle availableLayouts = zConfiguration.eLayoutStyle.None;
			if (Status.Layout.can_Switch_Wall_View)
			{
				availableLayouts |= zConfiguration.eLayoutStyle.Gallery;
			}

			if (Status.Layout.can_Switch_Speaker_View)
			{
				availableLayouts |= zConfiguration.eLayoutStyle.Speaker;
			}

			if (Status.Layout.can_Switch_Share_On_All_Screens)
			{
				availableLayouts |= zConfiguration.eLayoutStyle.ShareAll;
			}

			// There is no property that directly reports if strip mode is valid, but API stipulates
			// that strip mode is available if the number of screens is 1
			if (Status.NumberOfScreens.NumOfScreens == 1)
			{
				availableLayouts |= zConfiguration.eLayoutStyle.Strip;
			}

			Debug.Console(1, this, "availablelayouts: {0}", availableLayouts);

			AvailableLayouts = availableLayouts;
		}

        private void OnLayoutInfoChanged()
        {
            var handler = LayoutInfoChanged;
            if (handler != null)
            {
                handler(this, new LayoutInfoChangedEventArgs()
                {
                    AvailableLayouts = AvailableLayouts,
                    CurrentSelectedLayout = (zConfiguration.eLayoutStyle)Enum.Parse(typeof(zConfiguration.eLayoutStyle),string.IsNullOrEmpty(LocalLayoutFeedback.StringValue) ? "None" : LocalLayoutFeedback.StringValue , true),
                    LayoutViewIsOnFirstPage = LayoutViewIsOnFirstPageFeedback.BoolValue,
                    LayoutViewIsOnLastPage = LayoutViewIsOnLastPageFeedback.BoolValue,
                    CanSwapContentWithThumbnail = CanSwapContentWithThumbnailFeedback.BoolValue,
                    ContentSwappedWithThumbnail = ContentSwappedWithThumbnailFeedback.BoolValue,
                });
            }
        }

		public void GetAvailableLayouts()
		{
			SendText("zStatus Call Layout");
		}

		public void SetLayout(zConfiguration.eLayoutStyle layoutStyle)
		{
			LastSelectedLayout = layoutStyle;
			SendText(String.Format("zConfiguration Call Layout Style: {0}", layoutStyle.ToString()));
		}

		public void SwapContentWithThumbnail()
		{
			if (CanSwapContentWithThumbnailFeedback.BoolValue)
			{
				var oppositeValue = ContentSwappedWithThumbnailFeedback.BoolValue ? "on" : "off";
					// Get the value based on the opposite of the current state
				// TODO: #697 [*] Need to verify the ternary above and make sure that the correct on/off value is being send based on the true/false value of the feedback
				// to toggle the state
				SendText(String.Format("zConfiguration Call Layout ShareThumb: {0}", oppositeValue));
			}
		}

		public void LayoutTurnNextPage()
		{
			SendText("zCommand Call Layout TurnPage Forward: On");
		}

		public void LayoutTurnPreviousPage()
		{
			SendText("zCommand Call Layout TurnPage Forward: Off");
		}

		#endregion

		#region IHasCodecLayouts Members

		private Func<string> LocalLayoutFeedbackFunc
		{
			get
			{
				return () =>
				{
					if (Configuration.Call.Layout.Style != zConfiguration.eLayoutStyle.None)
						return Configuration.Call.Layout.Style.ToString();
					else
						return Configuration.Client.Call.Layout.Style.ToString();
				};
			}
		}

		public StringFeedback LocalLayoutFeedback { get; private set; }

		public void LocalLayoutToggle()
		{
			var currentLayout = LocalLayoutFeedback.StringValue;

			var eCurrentLayout = (int) Enum.Parse(typeof (zConfiguration.eLayoutStyle), currentLayout, true);

			var nextLayout = GetNextLayout(eCurrentLayout);

			if (nextLayout != zConfiguration.eLayoutStyle.None)
			{
				SetLayout(nextLayout);
			}
		}

		/// <summary>
		/// Tries to get the next available layout
		/// </summary>
		/// <param name="currentLayout"></param>
		/// <returns></returns>
		private zConfiguration.eLayoutStyle GetNextLayout(int currentLayout)
		{
			if (AvailableLayouts == zConfiguration.eLayoutStyle.None)
			{
				return zConfiguration.eLayoutStyle.None;
			}

			zConfiguration.eLayoutStyle nextLayout;

			if (((zConfiguration.eLayoutStyle) currentLayout & zConfiguration.eLayoutStyle.ShareAll) ==
			    zConfiguration.eLayoutStyle.ShareAll)
			{
				nextLayout = zConfiguration.eLayoutStyle.Gallery;
			}
			else
			{
				nextLayout = (zConfiguration.eLayoutStyle) (currentLayout << 1);
			}

			if ((AvailableLayouts & nextLayout) == nextLayout)
			{
				return nextLayout;
			}
			else
			{
				return GetNextLayout((int) nextLayout);
			}
		}

		public void LocalLayoutToggleSingleProminent()
		{
			throw new NotImplementedException();
		}

		public void MinMaxLayoutToggle()
		{
			throw new NotImplementedException();
		}

		#endregion

        #region IPasswordPrompt Members

        public event EventHandler<PasswordPromptEventArgs> PasswordRequired;

        public void SubmitPassword(string password)
        {
            Debug.Console(2, this, "Password Submitted: {0}", password);
            Dial(_lastDialedMeetingNumber, password);
        }

        void OnPasswordRequired(bool lastAttemptIncorrect, bool loginFailed, bool loginCancelled, string message)
        {
            var handler = PasswordRequired;
            if (handler != null)
            {
                handler(this, new PasswordPromptEventArgs(lastAttemptIncorrect, loginFailed, loginCancelled, message));
            }
        }

        #endregion

        #region IHasMeetingInfo Members

        public event EventHandler<MeetingInfoEventArgs> MeetingInfoChanged;

        private MeetingInfo _meetingInfo;

        public MeetingInfo MeetingInfo
        {
            get { return _meetingInfo; }
            private set
            {
                if (value != _meetingInfo)
                {
                    _meetingInfo = value;

                    var handler = MeetingInfoChanged;
                    if (handler != null)
                    {
                        handler(this, new MeetingInfoEventArgs(_meetingInfo));
                    }
                }
            }
        }

        #endregion

	    #region Implementation of IHasPresentationOnlyMeeting

	    public void StartSharingOnlyMeeting()
	    {
	        StartSharingOnlyMeeting(eSharingMeetingMode.None, 30, String.Empty);
	    }

	    public void StartSharingOnlyMeeting(eSharingMeetingMode mode)
	    {
	        StartSharingOnlyMeeting(mode, 30, String.Empty);
	    }

	    public void StartSharingOnlyMeeting(eSharingMeetingMode mode, ushort duration)
	    {
	        StartSharingOnlyMeeting(mode, duration, String.Empty);
	    }

	    public void StartSharingOnlyMeeting(eSharingMeetingMode mode, ushort duration, string password)
	    {
            SendText(String.Format("zCommand Dial Sharing Duration: {0} DisplayState: {1} Password: {2}", duration, mode, password));
	    }

	    public void StartNormalMeetingFromSharingOnlyMeeting()
	    {
            Debug.Console(2, this, "Converting Sharing Meeting to Normal Meeting");
	        SendText("zCommand call sharing ToNormal");
	    }

	    #endregion

        #region IHasMeetingLock Members

        public BoolFeedback MeetingIsLockedFeedback { get; private set; }

        public void LockMeeting()
        {
            SendText(string.Format("zConfiguration Call Lock Enable: on"));
        }

        public void UnLockMeeting()
        {
            SendText(string.Format("zConfiguration Call Lock Enable: off"));
        }

        public void ToggleMeetingLock()
        {
            if (MeetingIsLockedFeedback.BoolValue)
            {
                UnLockMeeting();
            }
            else
            {
                LockMeeting();
            }
        }

        #endregion

        #region IHasMeetingRecording Members

        public BoolFeedback MeetingIsRecordingFeedback { get; private set; }

        public void StartRecording()
        {
            SendText(string.Format("Command Call Record Enable: on"));
        }

        public void StopRecording()
        {
            SendText(string.Format("Command Call Record Enable: off"));
        }

        public void ToggleRecording()
        {
            if (MeetingIsRecordingFeedback.BoolValue)
            {
                StopRecording();
            }
            else
            {
                StartRecording();
            }
        }

        #endregion
    }

	/// <summary>
	/// Zoom Room specific info object
	/// </summary>
	public class ZoomRoomInfo : VideoCodecInfo
	{
		public ZoomRoomInfo(ZoomRoomStatus status, ZoomRoomConfiguration configuration)
		{
			Status = status;
			Configuration = configuration;
		}

        [JsonIgnore]
		public ZoomRoomStatus Status { get; private set; }
        [JsonIgnore]
        public ZoomRoomConfiguration Configuration { get; private set; }

		public override bool AutoAnswerEnabled
		{
			get { return Status.SystemUnit.RoomInfo.AutoAnswerIsEnabled; }
		}

		public override string E164Alias
		{
			get
			{
				if (!string.IsNullOrEmpty(Status.SystemUnit.MeetingNumber))
				{
					return Status.SystemUnit.MeetingNumber;
				}
				return string.Empty;
			}
		}

		public override string H323Id
		{
			get
			{
				if (!string.IsNullOrEmpty(Status.Call.Info.meeting_list_item.third_party.h323_address))
				{
					return Status.Call.Info.meeting_list_item.third_party.h323_address;
				}
				return string.Empty;
			}
		}

		public override string IpAddress
		{
			get
			{
				if (!string.IsNullOrEmpty(Status.SystemUnit.RoomInfo.AccountEmail))
				{
					return Status.SystemUnit.RoomInfo.AccountEmail;
				}
				return string.Empty;
			}
		}

		public override bool MultiSiteOptionIsEnabled
		{
			get { return true; }
		}

		public override string SipPhoneNumber
		{
			get
			{
				if (!string.IsNullOrEmpty(Status.Call.Info.dialIn))
				{
					return Status.Call.Info.dialIn;
				}
				return string.Empty;
			}
		}

		public override string SipUri
		{
			get
			{
				if (!string.IsNullOrEmpty(Status.Call.Info.meeting_list_item.third_party.sip_address))
				{
					return Status.Call.Info.meeting_list_item.third_party.sip_address;
				}
				return string.Empty;
			}
		}
	}

	/// <summary>
	/// Tracks the initial sycnronization state when establishing a new connection
	/// </summary>
	public class ZoomRoomSyncState : IKeyed
	{
		private readonly ZoomRoom _parent;
		private readonly CrestronQueue<string> _syncQueries;
		private bool _initialSyncComplete;

		public ZoomRoomSyncState(string key, ZoomRoom parent)
		{
			_parent = parent;
			Key = key;
			_syncQueries = new CrestronQueue<string>(50);
			CodecDisconnected();
		}

		public bool InitialSyncComplete
		{
			get { return _initialSyncComplete; }
			private set
			{
				if (value)
				{
					var handler = InitialSyncCompleted;
					if (handler != null)
					{
						handler(this, new EventArgs());
					}
				}
				_initialSyncComplete = value;
			}
		}

		public bool LoginResponseWasReceived { get; private set; }

        public bool FirstJsonResponseWasReceived { get; private set; }

		public bool InitialQueryMessagesWereSent { get; private set; }

		public bool LastQueryResponseWasReceived { get; private set; }

		public bool CamerasHaveBeenSetUp { get; private set; }

		#region IKeyed Members

		public string Key { get; private set; }

		#endregion

		public event EventHandler<EventArgs> InitialSyncCompleted;

        public event EventHandler FirstJsonResponseReceived;

		public void StartSync()
		{
			DequeueQueries();
		}

		private void DequeueQueries()
		{
			while (!_syncQueries.IsEmpty)
			{
				var query = _syncQueries.Dequeue();

				_parent.SendText(query);
			}

			InitialQueryMessagesSent();
		}

		public void AddQueryToQueue(string query)
		{
			_syncQueries.Enqueue(query);
		}

		public void LoginResponseReceived()
		{
			LoginResponseWasReceived = true;
			Debug.Console(1, this, "Login Rsponse Received.");
			CheckSyncStatus();
		}

        public void ReceivedFirstJsonResponse()
        {
            FirstJsonResponseWasReceived = true;
            Debug.Console(1, this, "First JSON Response Received.");

            var handler = FirstJsonResponseReceived;
            if (handler != null)
            {
                handler(this, null);
            }
            CheckSyncStatus();
        }

		public void InitialQueryMessagesSent()
		{
			InitialQueryMessagesWereSent = true;
			Debug.Console(1, this, "Query Messages Sent.");
			CheckSyncStatus();
		}

		public void LastQueryResponseReceived()
		{
			LastQueryResponseWasReceived = true;
			Debug.Console(1, this, "Last Query Response Received.");
			CheckSyncStatus();
		}

		public void CamerasSetUp()
		{
			CamerasHaveBeenSetUp = true;
			Debug.Console(1, this, "Cameras Set Up.");
			CheckSyncStatus();
		}

		public void CodecDisconnected()
		{
			_syncQueries.Clear();
			LoginResponseWasReceived = false;
            FirstJsonResponseWasReceived = false;
			InitialQueryMessagesWereSent = false;
			LastQueryResponseWasReceived = false;
			CamerasHaveBeenSetUp = false;
			InitialSyncComplete = false;
		}

		private void CheckSyncStatus()
		{
            if (LoginResponseWasReceived && FirstJsonResponseWasReceived && InitialQueryMessagesWereSent && LastQueryResponseWasReceived &&
			    CamerasHaveBeenSetUp)
			{
				InitialSyncComplete = true;
				Debug.Console(1, this, "Initial Codec Sync Complete!");
			}
			else
			{
				InitialSyncComplete = false;
			}
		}
	}

	public class ZoomRoomFactory : EssentialsDeviceFactory<ZoomRoom>
	{
		public ZoomRoomFactory()
		{
			TypeNames = new List<string> {"zoomroom"};
		}

		public override EssentialsDevice BuildDevice(DeviceConfig dc)
		{
			Debug.Console(1, "Factory Attempting to create new ZoomRoom Device");
			var comm = CommFactory.CreateCommForDevice(dc);
			return new ZoomRoom(dc, comm);
		}
	}
}