using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using TBF.BenchControl;
using TBF.Resources;
using TBF.UiBridge;

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

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

		public IList<Event> Execute(Entities.Test test, CombinedWithDetTestParams testParams)
		{
			Elde.ControlBoardDev cBrd = StateMachine.ControlBoard;
			
			/// Specific for combined meters
			int[] lastWMPulses = new int[Program.WMsCount];

            IList<Event> e = new List<Event>();             /// Events from currently running operations
            
            checkUiOp = new Operations.CheckUIOp(true);     /// Runs in more then one state

            //--------------------------------
            State.Create("CombinedWithDetection : stop diverter gate etc")
				.AddOperation(checkUiOp)
				.AddOperation(cBrd.StopPreviousOp())
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.PreviousStopped));


            ltrPerRefPulse = outPath.FlowMeter.LtrPerPulse;         /// [ltr/pulse], nominal flow in [m3/h]

            /// Notes:
            ///   float timeHr = volumeLtr / (1000.0f * targetFlow);
            ///   float timeSec = 3600.0f * timeHr;
            ///   int refPulses = (int)(timeSec * (2000.0f * targetFlow / pOut.FlowMeter.NominalFlow));
            int totalPulses = (int)(test.Volume / ltrPerRefPulse + 0.5f); 
             
            processDataLoggingOp = new TBF.BenchControl.Operations.ProcessDataLoggingOp(processDataLogger, this);
            
            /// Meters path is required for the following:
			readRegisters1 = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders, ref WMPulses, ref WMRefPulses);
			readRegisters2 = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders, ref WMPulses, ref WMRefPulses);

			int repetitionNr = 1;                 /// First test: repetitionNr=1				

            //====================================
            // Transition or SetRoute - Start
            //====================================
			switch (Transition(transitionStart, TransitionContext.TestStart))
            {
                case Event.Error: goto error;
                case Event.UiCmdStop: goto stop;
            }

        //====================================
        loop:
			/// Start the test, initialize test results
			Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, (int)totalPulses));
			Entities.TestResult tstRslt = new Entities.TestResult(test, repetitionNr, Entities.MetersKind.Combined);


            if (!test.Emptying)         /// Do not skip emptying if test.Emptying==true
            {
                //--------------------------------
				State.Create("CombinedWithDetection : Get the mass of water in the tank")
                    .AddOperation(checkUiOp)
                    .AddOperation(outPath.Balance.ReadMassOp(ref mass))
                    .EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error)) goto error;
                    if (e.Contains(Event.UiCmdStop)) goto stop;
                }
                while (!e.Contains(Event.BalanceDone));

                float estimatedEndMass = mass.Val + test.Volume;
                if (estimatedEndMass < outPath.Balance.Capacity * Constants.TankFullFactor)
                {
                    goto switching_flow_detection;      /// Enough room in the tank -> skip emptying
                }
            }

			// Empty the water tank
			switch (EmptyTheTank(outPath.EmptyTankValve, outPath.Balance))
			{
				case Event.Error: goto error;
				case Event.UiCmdStop: goto stop;
			}

        switching_flow_detection:

            int flowSetTime0 = StateMachine.Time;
            float estFlowSetTime = 100.0f;

            /// Extract cameras from the current sensors path, add operations to the detection state
            IList<IOperation> measureOperations = new List<IOperation>();
            for (int i = 0; i < sensPath.RegisterReaders.Length; i++)
            {
                GenericDevices.ICameraRoi cameraRoi = sensPath.RegisterReaders[i] as GenericDevices.ICameraRoi;
                if (cameraRoi != null) measureOperations.Add(cameraRoi.MeasureOp());
            }

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Switching_flow_detection);
            //------------------------------------------------
            State.Create("CombinedWithDetection : Start the pump")
				.AddOperation(checkUiOp)
                .AddOperations(measureOperations)
                .AddOperation((inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOnDfltPowerOp() : null)
				.AddOperation(cBrd.SetValvesOp(inPath.Pump, null))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();

                int flowSetTime = StateMachine.Time - flowSetTime0;
				float progress = Formulas.TestProgress(flowSetTime, estFlowSetTime, test.TstTime);
                Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, false, cBrd, flowSetTime, progress));

				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.ValvesSet));

            //--------------------------------
            State.Create("CombinedWithDetection : Set the initial flow")
				.AddOperation(checkUiOp)
                .AddOperations(measureOperations)
				.AddOperation(outPath.RegulValve.SetFlowAndMeasureOp(outPath.FlowMeter, test.Qfrom, test.Qto, outPath.PidCoef, refFlow, 600, (float)test.TolerRed))    /// timeout = 10 min.
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();

                int flowSetTime = StateMachine.Time - flowSetTime0;
				float progress = Formulas.TestProgress(flowSetTime, estFlowSetTime, test.TstTime);
                Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, false, cBrd, flowSetTime, progress));

				if (e.Contains(Event.UiCmdStop)) goto stop;
				if (e.Contains(Event.RegulValveTimeOut))
				{
					Bridge.OnError(this, Strings.Timeout);
					goto error;
				}
			}
			while (!e.Contains(Event.FlowReached));

            //--------------------------------
            switch (ReadRegistersTempPressAmbient(measureOperations, false))
            {
                case Event.Error: goto error;
                case Event.UiCmdStop: goto stop;
            }

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

            /// Allocate detection buffers
            float[] flowsForDetection = new float[DetectionBufferSize];
            float[] pulseFreqsForDetection = new float[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) / 2.0f) ? 0.05f : -0.05f;     // rise or fall?
            rvPulse *= (100.0f * testParams.RateOfChange);
            
            bool detected = false;
            bool targetReached = false;
            float detectedFlow = 0;

			int detectionStartTime = StateMachine.Time;

			do
			{
				//--------------------------------
                State.Create("CombinedWithDetection : Change the RV position")
					.AddOperation(checkUiOp)
                    .AddOperations(measureOperations)
                    .AddOperation(outPath.RegulValve.ChangeRegulValvePositionOp(rvPulse))
					.EnterState();
				do
				{
					e = StateMachine.WaitRunDevsRunOps();

                    int flowSetTime = StateMachine.Time - flowSetTime0;
				    float progress = Formulas.TestProgress(flowSetTime, estFlowSetTime, test.TstTime);
                    Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, false, cBrd, flowSetTime, progress));

					if (e.Contains(Event.UiCmdStop)) goto stop;
				}
                while (!e.Contains(Event.PositionReached));

				// Last pulses are kept to calculate differences
                for (int i = 0; i < Program.WMsCount; i++) lastWMPulses[i] = WMPulses[i];

                // 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: goto error;
					case Event.UiCmdStop: goto stop;
				}

				int time = StateMachine.Time;
                int diff = WMPulses[1] - lastWMPulses[1];
                flowsForDetection[0] = cBrd.ReferenceFreq * outPath.FlowMeter.NominalFlow / 2000.0f;
                pulseFreqsForDetection[0] = (float)diff / (float)(time - lastTime);
                lastTime = StateMachine.Time;

				if (StateMachine.Time - detectionStartTime > 15)
				{
					if ((flowsForDetection[0] > 0) && (flowsForDetection[DetectionBufferSize - 1] > 0))
					{
						float[] flowBefore = new float[DetectionKernelSize];
						float[] flowAfter = new float[DetectionKernelSize];
						float[] freqBefore = new float[DetectionKernelSize];
						float[] freqAfter = new float[DetectionKernelSize];
						for (int i = 0; i < DetectionKernelSize; i++)
						{
							flowBefore[i] = flowsForDetection[DetectionBufferSize - DetectionKernelSize + i];
							freqBefore[i] = pulseFreqsForDetection[DetectionBufferSize - DetectionKernelSize + i];
							flowAfter[i] = flowsForDetection[i];
							freqAfter[i] = pulseFreqsForDetection[i];
						}
						Array.Sort(flowBefore);
						Array.Sort(flowAfter);
						Array.Sort(freqBefore);
						Array.Sort(freqAfter);
						flowBefore[0] = 0;
						flowAfter[0] = 0;
						//freqBefore[0] = 0;
						//freqAfter[0] = 0;
						flowBefore[DetectionKernelSize - 1] = 0;
						flowAfter[DetectionKernelSize - 1] = 0;
						//freqBefore[DetectionKernelSize - 1] = 0;
						//freqAfter[DetectionKernelSize - 1] = 0;
						float aveFlowBefore = 0;
						float aveFlowAfter = 0;
						float aveFreqBefore = 0;
						float aveFreqAfter = 0;
						foreach (var f in flowBefore) aveFlowBefore += f;
						foreach (var f in flowAfter) aveFlowAfter += f;
						foreach (var f in freqBefore) aveFreqBefore += f;
						foreach (var f in freqAfter) aveFreqAfter += f;
						aveFlowBefore /= (float)(DetectionKernelSize - 2);
						aveFlowAfter /= (float)(DetectionKernelSize - 2);
						aveFreqBefore /= (float)(DetectionKernelSize);
						aveFreqAfter /= (float)(DetectionKernelSize);

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

						//detectedFlow = (aveFlowBefore + aveFlowAfter) / 2.0f;
						detectedFlow = aveFlowBefore;

						if (rvPulse > 0)
						{
							detected = (aveFreqAfter < aveFreqBefore * (1.0f - testParams.DetectionThreshold));
							targetReached = ((aveFlowAfter + aveFlowBefore) / 2.0f) > testParams.TargetQ;
						}
						else
						{
							detected = (aveFreqAfter > aveFreqBefore * (1.0f + testParams.DetectionThreshold));
							targetReached = ((aveFlowAfter + aveFlowBefore) / 2.0f) < testParams.TargetQ;
						}
					}
				}
			}
            while (!detected && !targetReached);

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

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

            float qfrom_test = detectedFlow + testParams.RelativeQfrom;
            float qto_test = detectedFlow + testParams.RelativeQto;

			/// Update test results with the test flow determined from the detected switching flow
			tstRslt.Qfrom = qfrom_test;
			tstRslt.Qto = qto_test;
			float Qave_lps = (qfrom_test + qto_test) / 7.2f;
			tstRslt.TstTime = tstRslt.Volume / Qave_lps;

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

            if (goBackToInitFlow)
            {
                //--------------------------------
                State.Create("CombinedWithDetection : Switching flow detected, going back")
                    .AddOperation(checkUiOp)
                    .AddOperations(measureOperations)
					.AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, outPath.PidCoef, refFlow, 600))    /// timeout = 10 min.
                    .EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();

                    int flowSetTime = StateMachine.Time - flowSetTime0;
                    float progress = Formulas.TestProgress(flowSetTime, estFlowSetTime, test.TstTime);
                    Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, false, cBrd, flowSetTime, progress));

                    if (e.Contains(Event.UiCmdStop)) goto stop;
					if (e.Contains(Event.RegulValveTimeOut))
					{
						Bridge.OnError(this, Strings.Timeout);
						goto error;
					}
				}
                while (!e.Contains(Event.FlowReached));
            }

			//--------------------------------
			State.Create("CombinedWithDetection : Going to the test flow")
				//State.Create("set_RV_position",
				.AddOperation(checkUiOp)
                .AddOperations(measureOperations)
				.AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, qfrom_test, qto_test, outPath.PidCoef, refFlow, 600))    /// timeout = 10 sec.
				//.AddOp(pOut.RegulValve.SetPositionOp(35.0f, 38.0f, uint.MaxValue))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();

                int flowSetTime = StateMachine.Time - flowSetTime0;
				float progress = Formulas.TestProgress(flowSetTime, estFlowSetTime, test.TstTime);
                Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, false, cBrd, flowSetTime, progress));

				if (e.Contains(Event.UiCmdStop)) goto stop;
				//if (e.Contains(Event.FlowTimeOut)) goto do_detection;
			}
			while (!e.Contains(Event.FlowReached));


		//start_measurement:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
            State.Create(Strings.Measure_the_mass)
				.AddOperation(checkUiOp)
                .AddOperations(measureOperations)
                .AddOperation(outPath.Balance.ReadStableMassOp(ref startMass, 5))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.BalanceDone));

            tstRslt.TimeStart = DateTime.Now;
            tstRslt.MassStartRaw = startMass.Val;
            mass.Val = startMass.Val;

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_in_progress);
            //------------------------------------------------
            State.Create(Strings.Start_the_test)
				.AddOperation(checkUiOp)
                .AddOperations(measureOperations)
                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro, (float)test.TolerRed))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.MeasurementStarted));

			///
			/// Measurement loop - preparation
			///
			queryEnd1 = cBrd.QueryMeasurementEndOp();
			queryEnd2 = cBrd.QueryMeasurementEndOp();

            bool firstTime = true;		/// Used to reset sums for averaging
			ResetAveragedData();

            /// Measurement loop - begin
			while (true)
			{
                //--------------------------------
                switch (ReadRegistersTempPressAmbient(measureOperations, true))
				{
					case Event.Error: goto error;
					case Event.UiCmdStop: goto stop;
					case Event.MeasurementCompleted: goto measurement_completed;
				}

                if (firstTime)
                {
                    firstTime = false;                  /// Do the following only once
					tstRslt.TempInStart = tempIn.Val;
                    tstRslt.TempOutStart = tempOut.Val;
                    tstRslt.TempDivStart = tempDiv.Val;
                    tstRslt.PressInStart = pressIn.Val;
                    tstRslt.PressOutStart = pressOut.Val;
                }

                tstRslt.TempInEnd = tempIn.Val;
                tstRslt.TempOutEnd = tempOut.Val;
                tstRslt.TempDivEnd = tempDiv.Val;
                tstRslt.PressInEnd = pressIn.Val;
                tstRslt.PressOutEnd = pressOut.Val;
                tstRslt.MassEndRaw = mass.Val;

				AccumulateAveragedData();


				string logstr = string.Format("E={0} f={1} q={2}", cBrd.EtPulses(0), cBrd.ReferenceFreq,
											  cBrd.ReferenceFlow * outPath.FlowMeter.NominalFlow);
				for (int i = 0; i < Program.WMsCount; i++)
				{
					logstr += string.Format(" M{0}=({1},{2})", i + 1, WMRefPulses[i], WMPulses[i]);
				}
				log.Debug(logstr);


				float progress = Formulas.TestProgress(cBrd.EtPulses(0), totalPulses, estFlowSetTime, test.TstTime);
                TestProgressEventArgs data = GetTestProgressData(test, tstRslt, true, cBrd, cBrd.TTime, progress);
				for (int i = 0; i < Program.WMsCount / 2; i++)
				{
					data.TestResult.CombinedMeters[i].VolumeMeter = data.TestResult.Meters[2 * i].VolumeMeter
																  + data.TestResult.Meters[2 * i + 1].VolumeMeter;
					if (data.Volume.Valid)
					{
						data.TestResult.CombinedMeters[i].VolumeErrorPct =
							Formulas.ErrorFromVolumes(data.TestResult.CombinedMeters[i].VolumeMeter, data.Volume.Val);
					}
				}
				Bridge.OnTestProgress(this, data);
			}
            /// Measurement loop - end


        measurement_completed:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
            State.Create(Strings.Measure_the_mass)
				.AddOperation(checkUiOp)
                .AddOperation(outPath.Balance.ReadStableMassOp(ref endMass, 5))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.BalanceDone));
            ///
            tstRslt.MassEndRaw = endMass.Val;
            tstRslt.TimeEnd = DateTime.Now;

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


            //--------------------------------
            State.Create("stop_diverter_gate_etc")
				.AddOperation(checkUiOp)
				.AddOperation(cBrd.StopPreviousOp())
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (!e.Contains(Event.PreviousStopped));


			/// Make sure the CycleBeginForm is closed so that water meter data (s/n) can be copied into results
			if (cycleBeginFormOpened)
			{
				cycleBeginFormOpened = false;
				if (CloseCycleBeginForm()) goto stop;
			}

            /// Optionally supress pulses from the large water meter
            if (testParams.SupressTrills)
            {
                WMPulses[0] = 0;
                tstRslt.Meters[0].PulsesMeter = 0;
            }

			///
            /// Populate TestResult data entity with data
			/// 
            tstRslt.TimeEnd			= DateTime.Now;
			UpdateTestRsltWithAveragedData(tstRslt);
			tstRslt.MassStart = Formulas.CorrectedValue(tstRslt.MassStartRaw, outPath.Balance.Corrections);
			tstRslt.MassEnd			= Formulas.CorrectedValue(tstRslt.MassEndRaw, outPath.Balance.Corrections);
            tstRslt.MassDiff		= tstRslt.MassEnd - tstRslt.MassStart;
            tstRslt.DensityIn		= Formulas.WaterDensityFromTemp(tstRslt.TempInAvrg);                 /// [kg/m3]
            tstRslt.DensityOut      = Formulas.WaterDensityFromTemp(tstRslt.TempOutAvrg);                /// [kg/m3]
            tstRslt.DensityDiv      = Formulas.WaterDensityFromTemp(tstRslt.TempDivAvrg);                /// [kg/m3]
            tstRslt.Time			= cBrd.TTime;                                                   /// [s] measurement time
            tstRslt.FlowMass		= 3600.0f * tstRslt.MassDiff / tstRslt.Time;                    /// [kg/h]
            tstRslt.FlowVolume		= 3600.0f * ltrPerRefPulse * cBrd.EtPulses(0) / tstRslt.Time;   /// [l/h]
            tstRslt.VolumeCTV		= 1.00103f * 1000.0f * tstRslt.MassDiff / tstRslt.DensityOut;   /// [l] 1000.0f is because density is in [kg/m3]
            tstRslt.VolumeMaster	= ltrPerRefPulse * cBrd.EtPulses(0);		                    /// [l] volume from the master flow meter
            tstRslt.PulsesMaster	= cBrd.EtPulses(0);							                    /// Pulses of the master flow meter (test total)
            tstRslt.ConstMaster		= ltrPerRefPulse * tstRslt.VolumeCTV / tstRslt.VolumeMaster;
																				                    /// Corrected master pulses per liter
            if (tstRslt.VolumeCTV <= float.Epsilon)
            {
                tstRslt.ErrorMaster = 0.1f;
            }
            else
            {
                tstRslt.ErrorMaster = 100 * (tstRslt.VolumeMaster - tstRslt.VolumeCTV) / tstRslt.VolumeCTV;
            }
            tstRslt.TimeDivStart0	= 0;
            tstRslt.TimeDivStart1	= 0;
            tstRslt.TimeDivStart2	= 0;
            tstRslt.TimeDivStart3	= 0;
            tstRslt.TimeDivStart4	= 0;
            tstRslt.TimeDivStart5	= 0;
            tstRslt.TimeDivEnd0		= 0;
            tstRslt.TimeDivEnd1		= 0;
            tstRslt.TimeDivEnd2		= 0;
            tstRslt.TimeDivEnd3		= 0;
            tstRslt.TimeDivEnd4		= 0;
            tstRslt.TimeDivEnd5		= 0;

			for (int iCmbnd = 0; iCmbnd < Program.WMsCount / 2; iCmbnd++)
			{
				for (int i = 2 * iCmbnd; i < 2 * iCmbnd + 2; i++)
				{
                    if (sensPath.RegisterReaders[i] == null || sensPath.RegisterReaders[i].PulsesPerLtr <= float.Epsilon)
                    {
                        tstRslt.Meters[i].VolumeMeter = 0;
                    }
					else
                    {
                        tstRslt.Meters[i].VolumeMeter = Convert.ToSingle(WMPulses[i]) / sensPath.RegisterReaders[i].PulsesPerLtr;
                    }

					tstRslt.Meters[i].SerialNr = (WaterMeters.Count > i) ? WaterMeters[i].SerialNr : string.Empty;
					tstRslt.Meters[i].VolumeStart = 0;							/// liter
					tstRslt.Meters[i].VolumeEnd = 0;							/// liter

					tstRslt.Meters[i].VolumeRef = tstRslt.VolumeCTV;			/// liter
					if (WMRefPulses[i] != 0)
					{
						tstRslt.Meters[i].VolumeMeter *= ((float)cBrd.EtPulses(0) / (float)WMRefPulses[i]);
					}

					tstRslt.Meters[i].PulsesMeter = WMPulses[i];
					tstRslt.Meters[i].PulsesMaster = WMRefPulses[i];
					tstRslt.Meters[i].Time = cBrd.TTime;

					tstRslt.Meters[i].VolumeErrorPct = 0;	/// Not used
				}

				tstRslt.CombinedMeters[iCmbnd].VolumeRef = tstRslt.VolumeCTV;	/// liter
				tstRslt.CombinedMeters[iCmbnd].VolumeMeter = tstRslt.Meters[2 * iCmbnd].VolumeMeter + tstRslt.Meters[2 * iCmbnd + 1].VolumeMeter;

				tstRslt.CombinedMeters[iCmbnd].PulsesMaster = cBrd.EtPulses(0);
				tstRslt.CombinedMeters[iCmbnd].Time = cBrd.TTime;
				tstRslt.CombinedMeters[iCmbnd].VolumeErrorPct = Formulas.ErrorFromVolumes(tstRslt.CombinedMeters[iCmbnd].VolumeMeter, tstRslt.CombinedMeters[iCmbnd].VolumeRef);
				tstRslt.CombinedMeters[iCmbnd].Passed = (tstRslt.ErrLimLo <= tstRslt.CombinedMeters[iCmbnd].VolumeErrorPct) && (tstRslt.CombinedMeters[iCmbnd].VolumeErrorPct <= tstRslt.ErrLimHi);
			}
			/// Add data - end

			Bridge.OnTestCompleted(this, new TestCompletedEventArgs(tstRslt));

			AddOrOverwriteResult(tstRslt);

			/// Append the results to the CSV-file
			allResults.Info(TestResult2CsvLine(tstRslt, cBrd.EtPulses(0)));

            FluentCommon.SaveToDb(StateMachine.WtSession, tstRslt);

            if (++repetitionNr <= test.Repeats)
            {
                goto loop;
            }

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

            /// Stop the pump
            State.Create("CombinedWithDetection : Test(s) completed -> Stopping the pump")
                .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)) goto error;
            }
            while (!e.Contains(Event.ValvesSet) || ((inPath.Pump is GenericDevices.IPumpFM) && !e.Contains(Event.TurnPumpOnOffDone)));

            /// Transition or SetRoute - End
			switch (Transition(transitionStop, TransitionContext.TestEnd))
            {
                case Event.Error: goto error;
                case Event.UiCmdStop: goto stop;
            }

            /// Create the return value - a list with one event Event.Done - and return
            IList<Event> retval = new List<Event>();
			retval.Add(Event.Done);
			return retval;

        //====================================
        stop:

            State.Create("CombinedWithDetection : User selected STOP -> Closing the valves")
				.AddOperation(checkUiOp)
				.AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOffOp() : null)
				.AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
			}
			while (!e.Contains(Event.ValvesSet));

			IList<Event> retval2 = new List<Event>();
			retval2.Add(Event.UiCmdStop);
			return retval2;

        //====================================
        error:
			State.Create("close_before_error")
				.AddOperation(checkUiOp)
				.AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOffOp() : null)
				.AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
			}
			while (!e.Contains(Event.ValvesSet));

			IList<Event> retval3 = new List<Event>();
			retval3.Add(Event.Error);
			return retval3;
		}
    }
}