using DTS.Common.Interface.Channels;
using DTS.Common.Interface.DASFactory;
using DTS.Common.Interface.DASFactory.Config;
using DTS.Common.Interface.Sensors;
using DTS.Common.Interface.StatusAndProgressBar;
using DTS.Common.Utilities.Logging;
using DTS.DASLib.Service.StateMachine.StatusAndParameters.Configure;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace DTS.DASLib.Service.StateMachine
{
    public class ConfigureStatusInformation : IStatusInfo
    {
        /// <summary>
        /// all possible status that can be relayed to consumers
        /// </summary>
        public enum StatusValues
        {
            ApplyingConfiguration,
            AutoResolvingChannels,
            ManuallyResolvedChannels,
            Completed,
            Cancelling,
            Cancelled,
            ChannelOutOfPosition,
            NoChannelsAssigned,
            AllChannelsResolved,
            EIDNotFound,
            ApplyConfigFailed,
            AppliedConfiguration,
            PrepareForDiagnostics,
            PrepareForDiagnosticsFailed,
            PrepareForDiagnosticsSuccess,
            LowPower,
            LowPowerSuccess,
            LowPowerFailure
        }

        /// <summary>
        /// no channels are currently assigned
        /// </summary>
        public bool NoChannelsAssigned { get; internal set; } = true;
        /// <summary>
        /// all channels to be resolved are resolved
        /// </summary>
        public bool AllChannelsResolved { get; internal set; } = false;
        /// <summary>
        /// one or more channels are out of position with respect to how
        /// they requested to be positioned (they are on a different channel than they were specified to be on)
        /// </summary>
        public bool ChannelsOutOfPosition { get; internal set; } = false;
        /// <summary>
        /// all units that were to be configured were configured
        /// </summary>
        public bool HaveAppliedConfigAllUnits { get; set; } = false;
        /// <summary>
        /// signals a cancel request
        /// </summary>
        public ManualResetEvent CancelEvent = new ManualResetEvent(false);
        /// <summary>
        /// signals when work is finished
        /// </summary>
        public ManualResetEvent DoneEvent = new ManualResetEvent(false);
        /// <summary>
        /// action to take on completion of work
        /// </summary>
        public ActionCompleteDelegate CompleteAction { get; set; }
        /// <summary>
        /// action to take on progress notification
        /// </summary>
        public SetProgressValueDelegate ProgressAction { get; set; }
        /// <summary>
        /// action to take on a status notification
        /// </summary>
        public StatusIntDelegate StatusAction { get; set; }
        /// <summary>
        /// action to take on extended status notification
        /// </summary>
        public StatusExIntDelegate StatusExAction { get; set; }

        /// <summary>
        /// holds references to all units which were successfully configured
        /// </summary>
        public IDASCommunication[] UnitsConfigured { get; set; } = new IDASCommunication[0];
        /// <summary>
        /// task for turning excitation on/off, used for monitoring task or interrupting
        /// </summary>
        private Task _ExcitationTask = null;
        /// <summary>
        /// task for applying configuration, used for monitoring task or interrupting
        /// </summary>
        private Task _ApplyConfigTask = null;
        /// <summary>
        /// used to canel running task
        /// returns when task is cancelled or completed
        /// </summary>
        /// <returns></returns>
        public async Task Cancel()
        {
            CancelEvent.Set();
            StatusAction?.Invoke((int)StatusValues.Cancelling);
            //simulate time spent waiting for cancel to be acknowledged
            Thread.Sleep(100);
            DoneEvent.WaitOne();
            StatusAction?.Invoke((int)StatusValues.Cancelled);
        }

        /// <summary>
        /// turns on power (if requested and appropriate)
        /// </summary>
        private void PrepareForDiagnostics()
        {
            var param = States.Instance.Configure.Status.ConfigureParameters;
            var status = States.Instance.Configure.Status.ConfigureStatus;
            var global = States.Instance.Configure.Status.GlobalStatusInformation;
            var dasFactory = States.Instance.Configure.DASFactory;

            //make sure we have some units to turn on, if not fail task
            if (!status.UnitsConfigured.Any())
            {
                StatusAction?.Invoke((int)StatusValues.PrepareForDiagnosticsFailed);
                return;
            }

            ProgressAction?.Invoke(0D);
            StatusAction?.Invoke((int)StatusValues.PrepareForDiagnostics);

            //record if any units fail to turn on excitation
            var bPassed = true;
            var mre = new ManualResetEvent(false);
            try
            {
                using (var diagnosticsService = new DiagnosticsService())
                {
                    var units = status.UnitsConfigured.ToList();
                    diagnosticsService.PrepareForDiagnostics(units,
                        PrePostResults.PreEventDiagnosticsResult,
                        param.SampleRateLookup,
                        param.AAFRateLookup,
                        (ServiceBase.CallbackData data) =>
                        {
                            switch (data.Status)
                            {
                                case ServiceBase.CallbackData.CallbackStatus.Success:
                                    StatusExAction?.Invoke((int)StatusValues.PrepareForDiagnosticsSuccess, data.Target);
                                    global.AddUnitAtHighPower(data.Target);
                                    break;
                                case ServiceBase.CallbackData.CallbackStatus.Failure:
                                    bPassed = false;
                                    StatusExAction?.Invoke((int)StatusValues.PrepareForDiagnosticsFailed, data.Target);
                                    break;
                                case ServiceBase.CallbackData.CallbackStatus.AllFinished:
                                    mre.Set();
                                    break;
                            }
                        },
                        units);
                }
            }
            catch (Exception ex)
            {
                bPassed = false;
                throw ex;
            }

            var timeWaited = 0;
            while (!mre.WaitOne(PREPARE_SPIN_TIME, false))
            {
                timeWaited += PREPARE_SPIN_TIME;
                ProgressAction?.Invoke(100D * timeWaited / EXPECTED_PREPARE_TIME);
            }
            if (bPassed)
            {
                StatusAction?.Invoke((int)StatusValues.PrepareForDiagnosticsSuccess);
                States.Instance.ConfigureStart.Status.GlobalStatusInformation.ExcitationOn = true;
            }
            else
            {
                StatusAction?.Invoke((int)StatusValues.PrepareForDiagnosticsFailed);
            }
        }

        private const int PREPARE_SPIN_TIME = 200;
        private const int EXPECTED_PREPARE_TIME = 8000;
        /// <summary>
        /// lock used to control thread access to shared resources
        /// [like UnitsConfigured]
        /// </summary>
        private static readonly object MyLock = new object();
        private void AddConfiguredDevice(IDASCommunication device)
        {
            lock (MyLock)
            {
                if (UnitsConfigured.Contains(device)) { return; }
                var list = new List<IDASCommunication>();
                list.AddRange(UnitsConfigured);
                list.Add(device);
                UnitsConfigured = list.ToArray();
            }
            StatusExAction?.Invoke((int)StatusValues.AppliedConfiguration, device);
        }
        /// <summary>
        /// Turns off excitation, returns immediately
        /// </summary>
        public void TurnOffExcitation()
        {
            var param = States.Instance.ConfigureStart.Status.ConfigureParameters;
            //reset the flag that got us here
            param.TurnOffExcitation = false;
            var status = States.Instance.ConfigureStart.Status.ConfigureStatus;
            var dasFactory = States.Instance.ConfigureStart.DASFactory;

            _ExcitationTask = Task.Run(() =>
            {
                StatusAction?.Invoke((int)StatusValues.LowPower);
                var units = dasFactory.GetDASList();
                var anyFailed = false;
                try
                {
                    var mre = new ManualResetEvent(false);
                    using (var service = new ArmingService())
                    {
                        service.EnterLowPowerMode(units, (ServiceBase.CallbackData data) =>
                        {
                            switch (data.Status)
                            {
                                case ServiceBase.CallbackData.CallbackStatus.Success:
                                    StatusExAction?.Invoke((int)StatusValues.LowPowerSuccess, data.Target);
                                    break;
                                case ServiceBase.CallbackData.CallbackStatus.AllFinished:
                                    mre.Set();
                                    break;
                                case ServiceBase.CallbackData.CallbackStatus.Failure:
                                    anyFailed = true;
                                    StatusExAction?.Invoke((int)StatusValues.LowPowerFailure, data.Target);
                                    break;
                            }
                        }, units);
                    }

                    mre.WaitOne();
                }
                catch (Exception ex)
                {
                    APILogger.Log(ex);
                }

                //if any failed to turn off record the error
                //if all turned off, then set the global status param that excitation is now known off
                if (anyFailed)
                {
                    StatusAction?.Invoke((int)StatusValues.LowPowerFailure);
                }
                else
                {
                    States.Instance.ConfigureStart.Status.GlobalStatusInformation.ExcitationOn = false;
                    StatusAction?.Invoke((int)StatusValues.LowPowerSuccess);
                }

                StatusAction?.Invoke((int)StatusValues.Completed);
                CompleteAction?.Invoke();
                DoneEvent.Set();
            });
        }
        /// <summary>
        /// starts ApplyConfig process, returns immediately
        /// </summary>
        public void ApplyConfig()
        {
            DoneEvent.Reset();
            var param = States.Instance.ConfigureStart.Status.ConfigureParameters;
            if (param.TurnOffExcitation)
            {
                TurnOffExcitation();
                return;
            }
            var unitsToConfigure = param.UnitsToConfigure.ToList();
            var dasFactory = States.Instance.ConfigureStart.DASFactory;

            _ApplyConfigTask = Task.Run(() =>
            {
                //the user could just be turning on power, in which case the configuration is already set
                //if the flag for set configuration is set, then set the configuration, otherwise don't
                if (param.SetConfiguration)
                {
                    HaveAppliedConfigAllUnits = false;
                    StatusAction?.Invoke((int)StatusValues.ApplyingConfiguration);

                    //check if we are supposed to configure a unit, but it's not available
                    //mark it failed if the unit is not available
                    var units = dasFactory.GetDASList();
                    foreach (var unit in unitsToConfigure)
                    {
                        if (!units.Contains(unit))
                        {
                            unitsToConfigure.Remove(unit);
                            StatusExAction?.Invoke((int)StatusValues.ApplyConfigFailed, unit);
                        }
                    }

                    var mre = new ManualResetEvent(false);
                    if (unitsToConfigure.Any())
                    {
                        using (var configService = new ConfigurationService())
                        {
                            configService.SetConfiguration(unitsToConfigure, param.DoStrictCheck, param.EventConfig,
                                (data) =>
                                {
                                    switch (data.Status)
                                    {
                                        case ServiceBase.CallbackData.CallbackStatus.AllFinished:
                                            mre.Set();
                                            break;
                                        case ServiceBase.CallbackData.CallbackStatus.Progress:
                                            ProgressAction?.Invoke(data.ProgressValue);
                                            break;
                                        case ServiceBase.CallbackData.CallbackStatus.Failure:
                                            StatusExAction?.Invoke((int)StatusValues.ApplyConfigFailed, data.Target,
                                                data.ErrorMessage, data.ErrorException);
                                            break;
                                        case ServiceBase.CallbackData.CallbackStatus.Success:
                                            AddConfiguredDevice(data.Target);
                                            break;
                                    }
                                }, unitsToConfigure,
                                param.ErrorRequiringActionAction,
                                param.DummyConfig,
                                param.MaxAAF,
                                param.ConfigureDigitalOutputs,
                                param.TurnOffAAFRealtime,
                                param.DSPFilterType,
                                param.DiscardDiagnostics);
                        }
                    }

                    mre.WaitOne();
                    //check that all the units that should have been configured were
                    var allConfigured = Array.TrueForAll(param.UnitsToConfigure, d => UnitsConfigured.Contains(d));
                    HaveAppliedConfigAllUnits = allConfigured;
                }
                //finally turn on power UNLESS the user has specified not to (most likely by pressing "Low Power" button)
                //but also potentially by a property setting
                if (!CancelEvent.WaitOne(1, false))
                {
                    if (param.PrepareForDiagnostics && !param.SkipTurnOnPower)
                    {
                        PrepareForDiagnostics();
                    }
                    CompleteAction?.Invoke();
                }

                StatusAction?.Invoke((int)StatusValues.Completed);
                DoneEvent.Set();
            });
        }

        /// <summary>
        /// holds channels that are not resolved for one reason or another
        /// </summary>
        private readonly List<GroupChannelWithMeta> _unresolvedChannels = new List<GroupChannelWithMeta>();
        /// <summary>
        /// holds channels that are now resolved/assigned
        /// </summary>
        private readonly List<GroupChannelWithMeta> _resolvedChannels = new List<GroupChannelWithMeta>();

        private bool IsUnresolved(IGroupChannel ch)
        {
            return _unresolvedChannels.Exists(channel => channel.Channel == ch);
        }

        private bool IsResolved(IGroupChannel ch)
        {
            return _resolvedChannels.Exists(channel => channel.Channel == ch);
        }
        private void AddResolvedChannel(IGroupChannel channel,
            IDASChannel hwChannel,
            bool eidOutOfPlace,
            ConfigureStatusParameters param,
            IDictionary<IDASChannel, IDASCommunication> lookupChannelToDAS,
            ISensorData sd,
            bool missingEID)
        {
            //remove any possible duplicates
            _resolvedChannels.RemoveAll(ch => ch.Channel == channel);
            _unresolvedChannels.RemoveAll(ch => ch.Channel == channel);

            var meta = new GroupChannelWithMeta()
            {
                Channel = channel,
                ChannelConflict = false,
                ConflictingChannel = null,
                DASChannel = hwChannel,
                EIDOutOfPlace = eidOutOfPlace,
                HWChannelIncompatible = false,
                MissingID = missingEID,
                MissingSensor = false
            };
            _resolvedChannels.Add(meta);

            //set the hardware in the group if needed
            var includedHardware = channel.Group.IncludedHardware.ToList();
            var hwId = param.GetDatabaseIdAction(lookupChannelToDAS[hwChannel]);
            if (!includedHardware.Contains(hwId))
            {
                includedHardware.Add(hwId);
            }
            channel.Group.SetIncludedHardware(includedHardware.ToArray());

            //set the calibration
            if (hwChannel is AnalogInputDASChannel aic)
            {
                foreach (var e in sd.SupportedExcitation)
                {
                    if (!aic.IsSupported(e))
                    {
                        continue;
                    }

                    var sc = param.GetCalibrationAction(sd, e);
                    if (null == sc) { continue; }
                    param.SetSensorCalibrationAction(sd, sc);
                    break;
                }
            }
        }
        private void AddUnresolvedChannel(IGroupChannel ch,
            bool bChannelConflict,
            IGroupChannel conflictingChannel,
            bool EIDOutOfPlace,
            bool hwChannelIncompatible,
            bool hwNotFound,
            bool missingId,
            bool missingSensor)
        {
            //remove any possible duplicates
            _resolvedChannels.RemoveAll(channel => channel.Channel == ch);
            _unresolvedChannels.RemoveAll(channel => channel.Channel == ch);

            var meta = new GroupChannelWithMeta()
            {
                Channel = ch,
                ChannelConflict = bChannelConflict,
                ConflictingChannel = conflictingChannel,
                DASChannel = null,
                EIDOutOfPlace = EIDOutOfPlace,
                HWChannelIncompatible = hwChannelIncompatible,
                HWNotFound = hwNotFound,
                MissingID = missingId,
                MissingSensor = missingSensor
            };
            _unresolvedChannels.Add(meta);
        }

        private bool IsHWChannelResolved(IDASChannel channel)
        {
            return _resolvedChannels.Exists(ch => ch.DASChannel == channel);
        }                

        public void ManuallyUnresolveChannel(IGroupChannel channel)
        {
            if (!IsResolved(channel))
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.ChannelNotAssigned);
            }

            var resolvedChannel = _resolvedChannels.First(ch => ch.Channel == channel);
            if (resolvedChannel.AssignedByEID)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.EID_Locked);
            }

            AddUnresolvedChannel(channel, false, null, false, false, resolvedChannel.HWNotFound, resolvedChannel.MissingID,
                false);
        }
        public void ManuallyResolveChannel(IGroupChannel channel, IDASChannel hardwareChannel)
        {
            var param = States.Instance.ConfigureStart.Status.ConfigureParameters;
            GetIdToHardwareLookup(param, out var lookupIDToHardware, out var lookupChannelToDAS,
                out var lookupDAStoChannel);
            if (channel.IsBlank())
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.BlankChannel);
            }
            if (channel.IsDisabled)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.ChannelDisabled);
            }
            if (channel.SensorId < 0)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.NoSensor);
            }

            var sd = param.GetSensorAction(channel);
            if (null == sd)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.SensorNotFound);
            }

            var compatible = IsSensorHwCompatible(hardwareChannel, sd);
            if (SensorCompatiblilityResponse.Compatible != compatible)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.IncompatibleHardware);
            }
            //alright, looks ok ... unless there's something on that channel already ...
            if (IsHWChannelResolved(hardwareChannel))
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.ChannelAlreadyAssigned);
            }
            //ok, well make sure it's we didn't find the EID for the channel already on a channel, if so ... it's locked on 
            //that channel
            bool bFoundEID = false;
            if (IsResolved(channel))
            {
                var resolvedChannel = _resolvedChannels.First(ch => ch.Channel == channel);
                if (resolvedChannel.AssignedByEID)
                {
                    if (resolvedChannel.DASChannel != hardwareChannel)
                    {
                        throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.EID_Locked);
                    }
                    //nothing to do ...
                    bFoundEID = true;
                }
            }

            //determine if we should have found an EID and didn't
            var bMissingEID = !string.IsNullOrWhiteSpace(sd.EID) && !bFoundEID;
            //if we are missing an ID, and aren't allowed to assign to a channel without an id, then don't allow it
            if (bMissingEID && !param.AllowSensorIdToBlankChannel)
            {
                throw new InvalidAssignmentException(channel, InvalidAssignmentException.Reasons.EIDRequiredAndMissing);
            }
            //add as a resolved channel
            AddResolvedChannel(channel, hardwareChannel, false, param, lookupChannelToDAS, sd, bMissingEID);
            AllChannelsResolved = _unresolvedChannels.Any();
        }
        /// <summary>
        /// thrown by manually resolve/unresolve functions
        /// </summary>
        public class InvalidAssignmentException : Exception
        {
            public enum Reasons
            {
                BlankChannel,
                NoSensor,
                ChannelDisabled,
                SensorNotFound,
                IncompatibleHardware,
                ChannelAlreadyAssigned,
                EID_Locked, //sensor is already locked by EID to a different channel
                EIDRequiredAndMissing,
                ChannelNotAssigned
            }
            public IGroupChannel GroupChannel { get; private set; }
            public Reasons Reason { get; private set; }

            public InvalidAssignmentException(IGroupChannel channel, Reasons reason)
            : base($"{reason.ToString()} - {channel}")
            {
                Reason = reason;
                GroupChannel = channel;
            }
        }
        /// <summary>
        /// sensor is not compatible with hardware, but maybe in the future we'll want to know why
        /// even though right now it's just "hw incompatible"
        /// </summary>
        internal enum SensorCompatiblilityResponse
        {
            Compatible,
            DigitalInputNotSupportedOnHWChannel,
            DigitalInputModeNotSupportedOnHWChannel,
            BridgeModeNotSupportedOnHWChannel,
            SquibFireModeNotSupportedOnHWChannel,
            NoSupportedExcitationOnHWChannel
        }
        /// <summary>
        /// check if sensor can run on the channel in question
        /// checks excitation, bridge, sensor type, etc
        /// </summary>
        /// <param name="hwid"></param>
        /// <param name="sd"></param>
        /// <returns></returns>
        private SensorCompatiblilityResponse IsSensorHwCompatible(IDASChannel hwChannel, ISensorData sd)
        {
            switch (hwChannel)
            {
                case AnalogInputDASChannel aic:
                    if (aic.SupportedBridges.Contains(sd.Bridge))
                    {
                        if (aic.DigitalInputChannel)
                        {
                            if (!sd.IsDigitalInput())
                            {
                                //hardware is digital, sensor is not, it's not compatible
                                return SensorCompatiblilityResponse.DigitalInputNotSupportedOnHWChannel;
                            }
                            else if (!aic.SupportedDigitalInputModes.Contains(sd.InputMode))
                            {
                                //sensor and hardware are digital, but the input mode is not supported
                                return SensorCompatiblilityResponse.DigitalInputModeNotSupportedOnHWChannel;
                            }
                        }
                        else
                        {
                            var param = States.Instance.ConfigureStart.Status.ConfigureParameters;
                            var excitationPassed = (from e in sd.SupportedExcitation
                                                    where aic.SupportedExcitation.Contains(e)
                                                    select param.GetCalibrationAction(sd, e)).Any(sc => null != sc);
                            if (!excitationPassed)
                            {
                                //there's no supported excitation match
                                return SensorCompatiblilityResponse.NoSupportedExcitationOnHWChannel;
                            }
                        }
                    }
                    else
                    {
                        //the hardware does not support the bridge mode of the sensor ...
                        return SensorCompatiblilityResponse.BridgeModeNotSupportedOnHWChannel;
                    }

                    break;
                case OutputSquibChannel _:
                    var squibChannel = (OutputSquibChannel)hwChannel;
                    if (!sd.IsSquib())
                    {
                        //hardware channel is squib, sensor is not
                        return SensorCompatiblilityResponse.BridgeModeNotSupportedOnHWChannel;
                    }
                    else if (!squibChannel.SupportedSquibFireModes.Contains(sd.SquibFireMode))
                    {
                        //hardware and sensor are squib, but fire mode not supported by hardware
                        return SensorCompatiblilityResponse.SquibFireModeNotSupportedOnHWChannel;
                    }

                    break;
                case OutputTOMDigitalChannel _:
                    if (!sd.IsDigitalOutput())
                    {
                        //hardware channel is digital output, sensor is not
                        return SensorCompatiblilityResponse.BridgeModeNotSupportedOnHWChannel;
                    }
                    break;
            }
            return SensorCompatiblilityResponse.Compatible;
        }
        /// <summary>
        /// returns sensor EID to hardware channel mapping as determined from connected units
        /// </summary>
        /// <param name="param"></param>
        /// <param name="lookupChannelToDAS">hardware channel to IDASCommunication</param>
        /// <param name="lookupIDToHardware">eid to hardware channel</param>
        /// <returns></returns>
        private void GetIdToHardwareLookup(ConfigureStatusParameters param,
            out IDictionary<string, IDASChannel> lookupIDToHardware,
            out IDictionary<IDASChannel, IDASCommunication> lookupChannelToDAS,
            out IDictionary<int, IDictionary<int, IDASChannel>> lookupDASToChannel
        )
        {
            lookupIDToHardware = new Dictionary<string, IDASChannel>();
            lookupChannelToDAS = new Dictionary<IDASChannel, IDASCommunication>();
            lookupDASToChannel = new Dictionary<int, IDictionary<int, IDASChannel>>();

            foreach (var unit in param.UnitsToConfigure)
            {
                //why is there no config data?
                if (null == unit.ConfigData)
                {
                    continue;
                }

                var dasid = param.GetDatabaseIdAction(unit);
                if (!lookupDASToChannel.ContainsKey(dasid))
                {
                    lookupDASToChannel.Add(dasid, new Dictionary<int, IDASChannel>());
                }

                foreach (var module in unit.ConfigData.Modules)
                {
                    foreach (var channel in module.Channels)
                    {
                        lookupChannelToDAS[channel] = unit;
                        lookupDASToChannel[dasid][channel.Number] = channel;
                        if (null != channel.IDs && channel.IDs.Length > 0)
                        {
                            var id = channel.IDs[0].ID;
                            if (!string.IsNullOrWhiteSpace(id))
                            {
                                lookupIDToHardware[id] = channel;
                            }
                        }
                    }
                }
            }
        }

        /// <summary>
        /// resets all status to defaults
        /// </summary>
        public void Reset()
        {
            NoChannelsAssigned = true;
            AllChannelsResolved = false;
            ChannelsOutOfPosition = false;
            HaveAppliedConfigAllUnits = false;
            StatusAction = null;
            CompleteAction = null;
            ProgressAction = null;
            UnitsConfigured = new IDASCommunication[0];
            _unresolvedChannels.Clear();
            _resolvedChannels.Clear();
            _ExcitationTask = null;
            _ApplyConfigTask = null;
        }
    }
}