///
/// Copyright (c) 2013-2023 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using log4net;
using Common;
using Config.Entities;
using TBF.Resources;
using TBF.Rig.GenericDevices;
using TBF.UiBridge;

namespace TBF.Rig.TestMethods.CombinedWithDetection
{
	public class CombinedWithDetectionSeq : Sequences.SequenceBase
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(CombinedWithDetectionSeq));

        const int DetectionBufferSize = 9;
        const int DetectionKernelSize = 5;

        /// <summary>
        /// Check capabilities of devces in the output path required for this test method
        /// </summary>
        /// <param name="devices">Devices</param>
        /// <returns>true when capabilities of devices are OK</returns>
        public static bool CheckDeviceCaps(Config.Entities.Test test, OutputPath devices, out string message)
        {
            if (!(StateMachine.ControlBoard is ControlBoard.Uni.UniCB))
            {
                /// Control board does not support this method
                message = string.Format("{0}: {1}", test.Name, Strings.Test_bench_does_not_suport_selected_test_method);
                return false;
            }

            if (!(devices.Scale is IScale))
            {
                /// Scale is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_scale);
                return false;
            }

            if (!(devices.Diverter is IDiverter))
            {
                /// Scale is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_diverter);
                return false;
            }

            if (!(devices.FlowMeter is IFlowMeter))
            {
                /// Flow meter is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_flow_meter);
                return false;
            }

            if (!(devices.RegValve is GenericDevices.IRegValve))
            {
                /// Regulation valve is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_regulation_valve);
                return false;
            }

            message = string.Empty;
            return true;
        }

        public IList<Event> Execute(Config.Entities.Test test, int repetitionNr, bool isLastRepetition,
									CombinedWithDetTestParams testParams,
									Common.DebugMode debugLevel)
		{
			if (debugLevel == Common.DebugMode.Simulate)
			{
				return Simulate(test, repetitionNr, isLastRepetition, testParams);
			}

            ControlBoard.Uni.UniCB cBrd = StateMachine.ControlBoard as ControlBoard.Uni.UniCB;
            IScale scale = cBrd.Devices.Scale as IScale;

            if ((outPath.FlowMeter is IFlowMeterSingle) &&
                (outPath.FlowMeter as IFlowMeterSingle).GetRange(test.TempLimLo, test.TempLimHi) == -1)
            {
                Bridge.OnError(this, Strings.Flow_meter_temperature_range_does_not_fit_this_test_conditions);
                return new List<Event> { Event.ConfigurationError };    /// or Event.UiCmdStop ???
            }

			if (test.Part < 0 || test.Part > TBF.Data.CompoundWMsCount)
			{
				UiBridge.Bridge.OnError(this, string.Format("Test 'Part' should be '-' or 1 .. {0}", TBF.Data.CompoundWMsCount));
                return new List<Event> { Event.ConfigurationError };
            }


            IList<Event> e;                                 /// Events from currently running operations
            Event retVal = Event.Done;
            int tMass1 = 0;
            int tMass2 = 0;
            checkUiOp = new Operations.CheckUIOp(true);     /// Runs in more then one state
            processDataLoggingOp = new TBF.Rig.Operations.ProcessDataLoggingOp(processDataLogger, this, false);

            /// Since CheckDeviceCaps() passed cBrd is ControlBoard.Uni.UniCB
            int[] filters = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
            if (sensPath != null && sensPath.RegisterReaders != null)
            {
                foreach (var rr in sensPath.RegisterReaders)
                {
                    IRegReaderPulses rrPls = rr as IRegReaderPulses;
                    if (rrPls != null && rrPls.Position >= 1 && rrPls.Position <= 8)
                    {
                        filters[rrPls.Position - 1] = rrPls.Filter;
                    }
                }
            }
            cBrd.SetFiltersPidShortPulses(filters, outPath.PidCoef, test.ShortPulses);

            IList<IOperation> readTempPressOps = new List<IOperation>();
            if (benchPath.TempMtrUp != null) readTempPressOps.Add(benchPath.TempMtrUp.ReadTempOp(ref TempUp));
            if (benchPath.TempMtrDown != null) readTempPressOps.Add(benchPath.TempMtrDown.ReadTempOp(ref TempDown));
            if (outPath.TempMtrDiv != null) readTempPressOps.Add(outPath.TempMtrDiv.ReadTempOp(ref TempDiv));
            if (benchPath.PressMtrUp != null) readTempPressOps.Add(benchPath.PressMtrUp.ReadPressureOp(ref PressUp));
            if (benchPath.PressMtrDown != null) readTempPressOps.Add(benchPath.PressMtrDown.ReadPressureOp(ref PressDown));
            if (benchPath.PressMtrDelta != null) readTempPressOps.Add(benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2));

            float switchTimeStart = 0.001f;     /// in seconds, original vale is 1 ms
            float switchTimeEnd = 0.001f;       /// in seconds, original vale is 1 ms
			
			/// Specific for combined meters
			int[] lastWMPulses = new int[2 * TBF.Data.CompoundWMsCount];

            cBrd.StopAll(false);

            int totalPulses = Convert.ToInt32(test.Volume / outPath.FlowMeter.LtrPerPulse);

            ///============================================================================================

            /// Read pressure and temperature once before calling Bridge.OnTestSelected(...)
            State.Create(string.Format("{0}({1}) : Measuring process data", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (e.Contains(Event.Busy));

            /// Start the test, initialize test results
            Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, heatMetersPath));
			string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
			TestStartTime = DateTime.Now;
			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));

			Qrise = 0;
			Qfall = 0;

            double estimatedEndMass = scale.Mass + test.Volume;
            if (test.DoDraining || estimatedEndMass >= scale.Capacity * Constants.TankFullFactor)
            {
                /// Empty the water tank
                switch (DrainTheTank(scale, readTempPressOps))
                {
                    case Event.Error:     { retVal = Event.Error;     goto stopTest; }
                    case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
                }
            }

            int flowDetectTime0 = StateMachine.Time;

			///
			/// Prepare cameras, ROI-s and measurementOperations
			///

			/// Find ROI-s
            IList<IRegReaderLiveCamera> rois = new List<IRegReaderLiveCamera>();
			foreach (var rr in sensPath.RegisterReaders)
			{
                var cameraRoI = rr as IRegReaderLiveCamera;
                if (cameraRoI != null && cameraRoI.Detected) rois.Add(cameraRoI);
            }

			/// Find cameras
			var cameras = new List<GenericDevices.ICamera>();
			foreach (var roi in rois)
			{
				if (roi.Camera != null && !cameras.Contains(roi.Camera))
				{
					roi.Camera.ClearRoiParams();
					cameras.Add(roi.Camera);
				}
			}

			/// Register ROI-parameters to cameras
			foreach (var roi in rois) roi.RegisterRoiToCamera();

			/// Prepare measurementOperations
			var measureOperations = new List<IOperation>();
			foreach (var camera in cameras) measureOperations.Add(camera.MeasurementOp());

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Switching_flow_detection);
            //------------------------------------------------
            State.Create(string.Format("{0}({1}) : Start the pump", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(measureOperations)
				 .AddOperation((inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOnOp(test.PumpPower) : null)
				 .AddOperation(cBrd.SetValvesOp(inPath.Pump, null))
				 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
				Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.SwitchingFlowDetection));

				if (TestAndLogUiCmdStop(test,e)) goto stopTest;
			}
			while (!e.Contains(Event.ValvesSet));


            State.Create(string.Format("{0}({1}) : Set the initial flow", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(measureOperations)
                 .AddOperation(outPath.RegValve.SetFlowAndMeasureOp(outPath.FlowMeter, test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec, (float)test.ShortPulses))
				 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
				Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.SwitchingFlowDetection));

				if (TestAndLogUiCmdStop(test,e)) goto stopTest;
				if (e.Contains(Event.RegulValveTimeOut))
				{
					Bridge.OnError(this, Strings.Flow_adjustment_failed);
					goto stopTest;
				}
                if (e.Contains(Event.Next)) goto init_flow_set;
            }
			while (!e.Contains(Event.FlowReached));


            switch (ReadRegistersTempPressAmbient(measureOperations, false))
            {
                case Event.Error:     { retVal = Event.Error;     goto stopTest; }
                case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
            }


        init_flow_set:

		    //====================================
		    // Find the switching flow
		    //====================================

            /// Allocate detection buffers
            double[] flowsForDetection = new double[DetectionBufferSize];       /// in [m3/h]
            double[] pulseFreqsForDetection = new double[DetectionBufferSize];

            /// Current values
            flowsForDetection[0] = RefFlow.Val;
            pulseFreqsForDetection[0] =  0.0f;
			int startTime = StateMachine.Time;
			int lastTime = StateMachine.Time;

            /// Detection parameters
            float rvPulse = (testParams.TargetQ > (test.Qfrom + test.Qto) / 2.0) ? 0.05f : -0.05f;     /// rise(+) or fall(-)
            rvPulse *= (100.0f * testParams.RateOfChange);

            bool detected = false;
            bool targetReached = false;
            double detectedFlow = 0;

			int detectionStartTime = StateMachine.Time;
			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.SwitchingFlowDetection));

			do
            {
                State.Create(string.Format("{0}({1}) : Change the RV position", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperations(measureOperations)
                     .AddOperation(outPath.RegValve.ChangeRegValvePositionOp(rvPulse))
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.SwitchingFlowDetection));

                    if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.PositionReached));

                {
                    ///
                    /// Update FIFO buffers for the reference flow and the frequency of pulses
                    ///

                    /// Last pulses are kept to calculate differences
                    for (int i = 0; i < 2 * TBF.Data.CompoundWMsCount; i++) lastWMPulses[i] = RegisterReaders[i].WMPulses;

                    /// Shift data in the detection buffers
                    for (int i = DetectionBufferSize - 2; i >= 0; i--)
                    {
                        flowsForDetection[i + 1] = flowsForDetection[i];
                        pulseFreqsForDetection[i + 1] = pulseFreqsForDetection[i];
                    }

                    switch (ReadRegistersTempPressAmbient(measureOperations, false))
                    {
                        case Event.Error:     { retVal = Event.Error;     goto stopTest; }
                        case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
                    }

                    flowsForDetection[0] = cBrd.RefFrequency * outPath.FlowMeter.NominalFlow / outPath.FlowMeter.NominalFreq;
                    double diff = RegisterReaders[Math.Max(0, test.Part - 1) * 2 + 1].WMPulses - lastWMPulses[Math.Max(0, test.Part - 1) * 2 + 1];
                    pulseFreqsForDetection[0] = diff / (double)(StateMachine.Time - lastTime);
                    lastTime = StateMachine.Time;
                }

                if ((StateMachine.Time - detectionStartTime > 15) && (flowsForDetection[0] > 0) && (flowsForDetection[DetectionBufferSize - 1] > 0))
                {
                    ///
                    /// Evaluate ref. flow and WM pulses frequency data in FIFO buffers.
                    /// Updpate 'detected' and 'targetReached' flags.
                    /// 
                    double[] flowBefore = new double[DetectionKernelSize];
                    double[] flowAfter = new double[DetectionKernelSize];
                    double[] freqBefore = new double[DetectionKernelSize];
                    double[] freqAfter = new double[DetectionKernelSize];
                    for (int i = 0; i < DetectionKernelSize; i++)
                    {
                        flowBefore[i] = flowsForDetection[DetectionBufferSize - DetectionKernelSize + i];       /// The oldest DetectionKernelSize samples
                        freqBefore[i] = pulseFreqsForDetection[DetectionBufferSize - DetectionKernelSize + i];

                        flowAfter[i] = flowsForDetection[i];                                                    /// The newest DetectionKernelSize samples
                        freqAfter[i] = pulseFreqsForDetection[i];
                    }

                    /// Skip the smallest and the largest flow
                    Array.Sort(flowBefore);
                    Array.Sort(flowAfter);
                    flowBefore[0] = 0;
                    flowAfter[0] = 0;
                    flowBefore[DetectionKernelSize - 1] = 0;
                    flowAfter[DetectionKernelSize - 1] = 0;
                    ///
                    double aveFlowBefore = 0;
                    double aveFlowAfter = 0;
                    foreach (var f in flowBefore) aveFlowBefore += f;
                    foreach (var f in flowAfter) aveFlowAfter += f;
                    aveFlowBefore /= (double)(DetectionKernelSize - 2);
                    aveFlowAfter /= (double)(DetectionKernelSize - 2);

                    /// Do NOT skip the smallest and the largest flow
                    //Array.Sort(freqBefore);
                    //Array.Sort(freqAfter);
                    //freqBefore[0] = 0;
                    //freqAfter[0]  = 0;
                    //freqBefore[DetectionKernelSize - 1] = 0;
                    //freqAfter[DetectionKernelSize - 1]  = 0;
                    ///
                    double aveFreqBefore = 0;
                    double aveFreqAfter = 0;
                    foreach (var f in freqBefore) aveFreqBefore += f;
                    foreach (var f in freqAfter) aveFreqAfter += f;
                    aveFreqBefore /= (double)DetectionKernelSize;
                    aveFreqAfter /= (double)DetectionKernelSize;

                    UiBridge.Bridge.OnCompoundDetection(this, string.Format("time={0}, flow{1}, aveFlowB={2}, aveFlowA={3}, pulseFreq={4}, aveFreqB={5}, aveFreqA={6}",
                                                              StateMachine.Time - startTime,
                                                              flowsForDetection[0].ToString("F2"),
                                                              aveFlowBefore.ToString("F2"),
                                                              aveFlowAfter.ToString("F2"),
                                                              pulseFreqsForDetection[0].ToString("F2"),
                                                              aveFreqBefore.ToString("F2"),
                                                              aveFreqAfter.ToString("F2")));

                    detectedFlow = aveFlowBefore;

                    if (rvPulse > 0)
                    {
                        /// rise
                        detected = (aveFreqAfter < aveFreqBefore * (1 - testParams.DetectionThreshold));
                        targetReached = ((aveFlowAfter + aveFlowBefore) / 2) > testParams.TargetQ;
                    }
                    else
                    {
                        /// fall
                        detected = (aveFreqAfter > (aveFreqBefore + testParams.OffsetPulsesFreq) * (1 + testParams.DetectionThreshold));
                        targetReached = ((aveFlowAfter + aveFlowBefore) / 2) < testParams.TargetQ;
                    }
                }

            }
            while (!detected && !targetReached);

			if (rvPulse > 0)
			{
				Qrise = detectedFlow;
			}
			else
			{
				Qfall = detectedFlow;
			}

            UiBridge.Bridge.OnCompoundDetection(this, string.Format("detected flow={0}", detectedFlow.ToString("F2")));

            double qfrom_detected = detectedFlow + testParams.RelativeQfrom;
            double qto_detected = detectedFlow + testParams.RelativeQto;

			/// Update test results with the test flow determined from the detected switching flow
			double Qave_lps = (qfrom_detected + qto_detected) / 7.2;
			double testTimeFromDetectedFlow = test.Volume / Qave_lps;	/// Test volume wont be changed 

            double relativeQave = (testParams.RelativeQfrom + testParams.RelativeQto) / 2.0;
            bool goBackToInitFlow = ((rvPulse > 0) && (relativeQave < 0)) ||
                                    ((rvPulse < 0) && (relativeQave > 0));

			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));
			int flowSetTime0 = StateMachine.Time;

			if (goBackToInitFlow)
            {
                //--------------------------------
                State.Create(string.Format("{0}({1}) : Switching flow detected, going back", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperations(measureOperations)
                     .AddOperation(cBrd.SetFlowOp(test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec))
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
					Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));

                    if (TestAndLogUiCmdStop(test,e)) goto stopTest;
					if (e.Contains(Event.RegulValveTimeOut))
					{
						Bridge.OnError(this, Strings.Flow_adjustment_failed);
						goto stopTest;
					}
				}
                while (!e.Contains(Event.FlowReached));
            }

			//--------------------------------
			State.Create(string.Format("{0}({1}) : Going to the test flow", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(measureOperations)
                 .AddOperation(outPath.RegValve.SetFlowOp(outPath.FlowMeter, qfrom_detected, qto_detected, RefFlow, FlowSettingTimeoutSec, 0))
			     //.AddOp(pOut.RegulValve.SetPositionOp(35.0f, 38.0f, uint.MaxValue))
				 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
				Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));

				if (TestAndLogUiCmdStop(test,e)) goto stopTest;
				//if (e.Contains(Event.FlowTimeOut)) goto do_detection;
			}
			while (!e.Contains(Event.FlowReached));

			int flowSetTime = StateMachine.Time - flowDetectTime0;

		//start_measurement:

            //----------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //----------------------------------------------------

            LogProcessDataTestInfo(processDataLogger, test.Procedure.Name, test.Name);

            if (heatMetersPath == null) LogProcessDataHeader(processDataLogger, "Start mass");
            else LogProcessDataHeaderHeatMeters(processDataLogger, "Start mass");

            State.Create(Strings.Measure_the_mass)
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(measureOperations)
                 .AddOperation(scale.ReadStableMassOp(ref StartMass, test.TimeFlow2Mass, test.MassMethod, test.MassRepeats, test.MassSpread))
                 .AddOperation(processDataLoggingOp)
                 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.ScaleTimeout))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
            }
            while (!e.Contains(Event.ScaleDone) && !e.Contains(Event.Next));
            ///
            tMass1 = StateMachine.Time;

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_in_progress);
            //------------------------------------------------

            /// Measurement loop preparation
            int estimtdEndTime = StateMachine.Time + Convert.ToInt32(testTimeFromDetectedFlow);
            int remainingTime;
            StartNewStatistics(outPath.FlowMeter, BatchRslts.Batch.BatchNr, test, repetitionNr, 0);
            DiverterStart.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);
            DiverterEnd.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);

            State.Create(Strings.Start_the_test)
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(measureOperations)
                 .AddOperation(cBrd.FlyingStartStopTestOp(test, qfrom_detected, qto_detected, totalPulses, true, false, 0, true, DiverterStart, DiverterEnd))
                 .AddOperation(processDataLoggingOp)
                 .EnterState();
			do {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.OpArgumentError)) { retVal = Event.OpArgumentError; goto stopTest; }
                if (e.Contains(Event.Error))           { retVal = Event.Error;           goto stopTest; }
                if (TestAndLogUiCmdStop(test, e))      { retVal = Event.UiCmdStop;       goto stopTest; }

                /// Show remaining time
                if ((remainingTime = Math.Max(estimtdEndTime - StateMachine.Time, 0)) > 60)
                    Bridge.OnActivity(this, string.Format("{0} ... {1} {2} {3} {4}", Strings.Test_in_progress, remainingTime / 60, "min", remainingTime % 60, Strings.sec));
                else
                    Bridge.OnActivity(this, string.Format("{0} ... {1} s", Strings.Test_in_progress, remainingTime));

                /// Update statistics
                RefFrequency.Val = cBrd.RefFrequency;
                RefFlow.Val = outPath.FlowMeter.ReadFlow();
                UpdateAllStatistics();

                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.Test));
            }
            while (!e.Contains(Event.TestCompleted) && !e.Contains(Event.Next));

            /// Measurement loop end
            StopRecordingStatistics();

            ///
            /// (Berlin:) Water is stopped immediately after the test and before the 2nd mass measurement in case:
            ///  - no 'transition sequence after test' is used
            ///  - this is the last (or the only) test repetition or test is a part of an 'outer loop'
            ///
            if (isLastRepetition && transitionAfter == null)
            {
                if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOff();

                State.Create("SequenceBase : Transition : TestEnd - Default action")
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error))        { retVal = Event.Error;     goto stopTest; }
                    if (TestAndLogUiCmdStop(test, e))   { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet));
            }
			
			//------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
			State.Create(string.Format("{0}({1}) : Measuring the mass", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(scale.ReadStableMassOp(ref EndMass, test.TimeStop2Mass, test.MassMethod, test.MassRepeats, test.MassSpread))
                 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.ScaleTimeout))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
            }
            while (!e.Contains(Event.ScaleDone) && !e.Contains(Event.Next));
            ///
            tMass2 = StateMachine.Time;
            log.WarnFormat("End mass = {0}kg", EndMass);
            TestEndTime = DateTime.Now;

            if (test.DoDrainingAfter)
            {
                State.Create(string.Format("{0}({1}) : Open the drain valve", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(StateMachine.ControlBoard.SetValvesOp(scale.DrainValve, null))
                     .AddOperations(readTempPressOps)
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (e.Contains(Event.ValvesBusy));
            }

            /// Read the diverter switch time
            if (StateMachine.ControlBoard is ControlBoard.Uni.UniCB)
            {
                ControlBoard.Uni.UniCB eldeCB = StateMachine.ControlBoard as ControlBoard.Uni.UniCB;
                //switchTimeEnd = 0.001f * (float)eldeCB.DivTime(0);
                //log.WarnFormat("Diverter switch time on test end = {0} ms", eldeCB.DivTime(0));
            }

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_completed);
            //------------------------------------------------
            State.Create(Strings.Stop_the_pump)
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOffOp() : null)
				 .AddOperation(cBrd.SetValvesOp(null, inPath.Pump))
                 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
			while (!e.Contains(Event.ValvesSet));

            cBrd.StopAll(false);

			/// Make sure the CycleBeginForm is closed so that water meter data (s/n) can be copied into results
			if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stopTest;

			///
            /// Populate TestResult data entity with data
			/// 
			Results.Entities.TestRslt tstRslt = BatchRslts.GetTestRslt(testName, test.Part);

            bool stopCycle = false;
            if (tstRslt != null)
			{
                Results.Utils.GetCounterStates(tstRslt, Program.LocalSettings.Counters);

				/// Raw data
                UpdateTempPressDensAmb(tstRslt);
                tstRslt.MethodClass    = TbfComponents.FindComponent(test.Method).ClassName;
                tstRslt.StartTime      = TestStartTime;
				tstRslt.EndTime        = TestEndTime;
				tstRslt.FlowSetTime    = flowSetTime;
				tstRslt.TestTime       = cBrd.TestTime;											/// [s] measurement time
                tstRslt.PulsesMaster   = Convert.ToDouble(cBrd.RefPulses);					    /// Pulses of the master flow meter (test total)
				tstRslt.MassStartRaw   = StartMass.Val;
				tstRslt.MassEndRaw     = EndMass.Val;
                tstRslt.TimeBtwnMassMsrmnts = tMass2 - tMass1;
                tstRslt.ConstMasterRaw = outPath.FlowMeter.LtrPerPulse;                         /// Uncorrected master flowmeter coefficient
                tstRslt.VolumeMaster   = tstRslt.ConstMasterRaw * tstRslt.PulsesMaster;			/// [l] volume from the master flow meter
                double flowMID         = 3.6 * tstRslt.VolumeMaster / tstRslt.TestTime;			/// [m3/h]

                /// Corrected values
                tstRslt.MassStart = MeasurementCorrection.CorrectedValue(tstRslt.MassStartRaw, scale.Corrections);
                tstRslt.MassEnd = MeasurementCorrection.CorrectedValue(tstRslt.MassEndRaw, scale.Corrections);
                tstRslt.MassOfEvapWater = tstRslt.TimeBtwnMassMsrmnts * outPath.Scale.EvaporationRate(tstRslt.TempDivMean);
                double mass = tstRslt.MassEnd - tstRslt.MassStart + tstRslt.MassOfEvapWater;
                tstRslt.ConstMasterCorr = outPath.FlowMeter.LtrPerPulseCorrected(flowMID, tstRslt.TempDownMean); /// Corrected master pulses per liter

                /// Main results
                tstRslt.VolumeCTV = 1000 * tstRslt.Batch.Buoyancy * mass / tstRslt.DensityLine; /// [l] commercially true volume
                if ((outPath.Diverter != null) && (tstRslt.TestTime > float.Epsilon))
                {
                    tstRslt.TestTimeCorrection = outPath.Diverter.TestTimeCorrection(flowMID);
                    tstRslt.VolumeCTV *= tstRslt.TestTime + tstRslt.TestTimeCorrection;
                    tstRslt.VolumeCTV /= tstRslt.TestTime;
                }
                tstRslt.Flow = 3.6 * tstRslt.VolumeCTV / tstRslt.TestTime;				                    /// [m3/h]
                tstRslt.ErrorMaster = Formulas.ErrorFromVolumes(tstRslt.VolumeMaster, tstRslt.VolumeCTV);
                tstRslt.ConstMaster = (tstRslt.VolumeMaster == 0) ? tstRslt.ConstMasterCorr : (tstRslt.ConstMasterRaw * tstRslt.VolumeCTV / tstRslt.VolumeMaster);
                                                                                                            /// Calculated master pulses per liter
                /// Flow statistics correction
                tstRslt.FlowMean  = Convert.ToSingle(tstRslt.ConstMaster * RefFlowStat.Average / tstRslt.ConstMasterRaw);
                tstRslt.FlowStart = Convert.ToSingle(tstRslt.ConstMaster * RefFlowStat.First / tstRslt.ConstMasterRaw);
                tstRslt.FlowEnd   = Convert.ToSingle(tstRslt.ConstMaster * RefFlowStat.Last / tstRslt.ConstMasterRaw);
                tstRslt.FlowMin   = Convert.ToSingle(tstRslt.ConstMaster * RefFlowStat.Min / tstRslt.ConstMasterRaw);
                tstRslt.FlowMax   = Convert.ToSingle(tstRslt.ConstMaster * RefFlowStat.Max / tstRslt.ConstMasterRaw);

                tstRslt.DiverterStart = switchTimeStart;
                tstRslt.DiverterEnd = switchTimeEnd;

                long infoFlags = 0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, true, false, switchTimeStart, switchTimeEnd, out infoFlags, out stopCycle) : 0;
                tstRslt.InfoFlags = infoFlags;

                for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                {
                    if (!test.IsPartCompatible(Utils.PartNr(i + 1, BatchRslts.Batch.Compound))) continue;

                    Results.Entities.MeterTestRslt mainMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Common.CompoundMeterId.CompoundMain);
					Results.Entities.MeterTestRslt auxMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Common.CompoundMeterId.CompoundAux);

					for (int isAux = 0; isAux <= 1; isAux++)		/// 0=main, 1=aux
					{
						GenericDevices.IRegReader regReader = sensPath.RegisterReaders[2 * i + isAux];
						Results.Entities.MeterTestRslt meterRslt = (isAux == 0) ? mainMeterRslt : auxMeterRslt;

						if (meterRslt != null && regReader != null)
						{
                            meterRslt.RegReaderType = (int)regReader.RegisterReaderType;
                            meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;

							/// Optionally supress pulses from the large water meter
							meterRslt.PulsesMeter  = (isAux == 0 && testParams.SupressTrills) ? 0 : Convert.ToDouble(regReader.WMPulses);
							meterRslt.PulsesMaster = Convert.ToDouble(regReader.WMRefPulses);
							meterRslt.TestTime	   = cBrd.TestTime;
							meterRslt.VolumeStart  = 0;
							meterRslt.VolumeEnd	   = 0;
							meterRslt.VolumeRef	   = tstRslt.VolumeCTV;

							meterRslt.VolumeMeter  = meterRslt.PulsesMeter * regReader.LtrsPerPulse;	/// liter
							///
							if (meterRslt.PulsesMaster != 0)
							{
								meterRslt.VolumeMeter *= (tstRslt.PulsesMaster / meterRslt.PulsesMaster);
							}

                            meterRslt.Error = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, tstRslt.VolumeCTV);	/// Main/Aux meter error is not usedfor evaluation
						}
					}

					Results.Entities.MeterTestRslt compoundMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Common.CompoundMeterId.Compound);

					if (compoundMeterRslt != null && mainMeterRslt != null && auxMeterRslt != null)
					{
						compoundMeterRslt.VolumeRef    = tstRslt.VolumeCTV;
						compoundMeterRslt.VolumeMeter  = mainMeterRslt.VolumeMeter + auxMeterRslt.VolumeMeter;
						compoundMeterRslt.PulsesMaster = tstRslt.PulsesMaster;
						compoundMeterRslt.TestTime     = tstRslt.TestTime;
                        compoundMeterRslt.Error        = Formulas.ErrorFromVolumes(compoundMeterRslt.VolumeMeter, compoundMeterRslt.VolumeRef);
                        compoundMeterRslt.Passed = (compoundMeterRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty)
                                                && (compoundMeterRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty)
        										&& (tstRslt.ErrorFlags == 0);
						mainMeterRslt.Passed = auxMeterRslt.Passed = compoundMeterRslt.Passed;
						mainMeterRslt.TestDone = auxMeterRslt.TestDone = compoundMeterRslt.TestDone = true;
                        tstRslt.TestDone = true;

						if (Qrise != 0) BatchRslts.Batch.WaterMeters[i].QRise = Qrise;
						if (Qfall != 0) BatchRslts.Batch.WaterMeters[i].QFall = Qfall;
					}
				}

				tstRslt.Components = Results.Entities.Components
					.UpdateList(BatchRslts.ComponentsList,
								new Results.Entities.Components((BenchInfo != null) ? BenchInfo.TestBenchId : 1,
																(BenchInfo != null) ? BenchInfo.TestBenchName : "testbench",
																inPath.Pump != null ? inPath.Pump.Name : string.Empty,
																outPath.FlowMeter != null ? outPath.FlowMeter.Name : string.Empty,
																scale != null ? scale.Name : string.Empty,
																outPath.RegValve != null ? outPath.RegValve.Name : string.Empty,
																outPath.Diverter != null ? outPath.Diverter.Name : string.Empty));

                /// Update water meter error flags
                if (ErrorFlagsComp != null)
                {
                    if (BatchRslts.Batch != null && BatchRslts.Batch.WaterMeters != null)
                    {
                        for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                        {
                            if (BatchRslts.Batch.WaterMeters[i] != null && !BatchRslts.Batch.WaterMeters[i].Disabled)
                            {
                                long wmInfoFlags;
                                BatchRslts.Batch.WaterMeters[i].ErrorFlags = ErrorFlagsComp.GetWMtrErrorFlags(BatchRslts.Batch.WaterMeters[i].MeterTestRslts, out wmInfoFlags);
                                BatchRslts.Batch.WaterMeters[i].InfoFlags = wmInfoFlags;
                            }
                        }
                    }
                }

                /// Update results
				Bridge.OnTestCompleted(this, new TestCompletedEventArgs(testName, tstRslt));
			}

			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.TransitionAfter));

			/// Append the results to the CSV-file
			allResults.Info(TestResult2CsvLine(testName, test.Part));

            ///----------------------///
            ///  Quit this sequence  ///
            ///----------------------///

            if (isLastRepetition || stopCycle)
            {
                /// Stop the pump
                State.Create(string.Format("{0}({1}) : Test(s) completed -> Stopping the pump", test.Method, test.Name))
                    .AddOperation(checkUiOp)
                    .AddOperation(cBrd.SetValvesOp(null, inPath.Pump))
                    .AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOffOp() : null)
                    .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error))      { retVal = Event.Error;     goto stopTest; }
                    if (e.Contains(Event.UiCmdStop))  { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet) || ((inPath.Pump is GenericDevices.IPumpFM) && !e.Contains(Event.TurnPumpOnOffDone)));
            }

            if (stopCycle) retVal = Event.ErrorFlagsStop;

        stopTest:

            StopRecordingStatistics();		/// Make sure graph files are closed

            ///
            ///  Quit this sequence
            ///
            if (isLastRepetition || retVal == Event.UiCmdStop
                                 || retVal == Event.OpArgumentError
                                 || retVal == Event.RecoverableError
                                 || retVal == Event.ErrorFlagsStop
                                 || retVal == Event.Error
                                 || retVal == Event.ConfigurationError)
            {
                cBrd.StopAll(false);
            }

            return new List<Event> { retVal };
        }


		IList<Event> Simulate(Config.Entities.Test test, int repetitionNr, bool isLastRepetition,
							  CombinedWithDetTestParams testParams)
		{
			///
			/// Test method simulation
			/// 
			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));

			if (test.Name.ToLower().Contains("rise") || test.Name.ToLower().Contains("steig"))
			{
				MakeSimulatedCompound(test, 1, 0, 0.7f, 0.0f);
			}
			else
			{
				MakeSimulatedCompound(test, 1, 0, 0.7f, 0.9f);
			}

			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.Completed));
			Bridge.OnTestCompleted(this, new TestCompletedEventArgs(test.Name, BatchRslts.GetTestRslt(Results.Utils.GetTestName(test.Name, 1, 1), 0)));
			allResults.Info(TestResult2CsvLine(test.Name, 0));	/// Append the results to the CSV-file

			//------------------------------------------------
			Bridge.OnActivity(this, string.Format("Simulating {0}", test.Name));
			//------------------------------------------------

			State.Create(string.Format("{0}({1}) : Simulating {1}", test.Method, test.Name))
				.AddOperation(checkUiOp)
				.EnterState();
			IList<Event> e = StateMachine.WaitRunDevsRunOps();

            return new List<Event> { TestAndLogUiCmdStop(test, e) ? Event.UiCmdStop : Event.Done };
		}
	}
}