///
/// Copyright (c) 2019 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using TBF.BenchControl;
using TBF.Boxes;
using TBF.Resources;
using TBF.UiBridge;
using TBF.BenchControl.GenericDevices;

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

		/// <summary>
		/// Flying start mass collection method sequence
		/// </summary>
		/// <param name="test">Test entity</param>
		/// <returns>
		///		Event.Done . . . . . . . OK
		///		Event.UiCmdStop  . . . . Stopped by the user using the on-screen button STOP
		///		Event.OpArgumentError  . Target flow is out of range
		///		Event.Error  . . . . . . Unspecified error
		/// </returns>
        public IList<Event> Execute(Config.Entities.Test test, int repetitionNr, bool isLastRepetition, TestParams testParams)
		{
			IScale scale = outPath.Scale as IScale;
			if (scale == null)
			{
				Bridge.OnError(this, Strings.Missing_a_scale);
                return new List<Event> { Event.ConfigurationError };    /// or Event.UiCmdStop ???
            }

			int rangeIx = 0;                   /// Default range, used for non-Elde flowmeters
			if (outPath.FlowMeter is Elde.FlowMeter.FlowMeter)
			{
				Elde.FlowMeter.FlowMeter eldeFM = outPath.FlowMeter as Elde.FlowMeter.FlowMeter;
				rangeIx = -1;                   /// Indicates invalid range
				for (int r = 0; r <= 5; r++)
				{
					if (eldeFM.RangeEnabled(r) && eldeFM.GetTempLo(r) <= test.TempLimLo
											   && eldeFM.GetTempHi(r) >= test.TempLimHi)
					{
						rangeIx = r;
					}
				}

				if (rangeIx == -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.Volume > scale.Capacity * Constants.TankFullFactor)
			{
				Bridge.OnError(this, Strings.Test_volume_exceeds_the_scale_capacity);
                return new List<Event> { Event.ConfigurationError };
			}


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


            int[] filters = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
            if (sensPath != null && sensPath.RegisterReaders != null)
            {
                foreach (var rr in sensPath.RegisterReaders)
                {
                    TBF.BenchControl.Elde.RegisterReader.RegisterReader eldeRR = rr as TBF.BenchControl.Elde.RegisterReader.RegisterReader;
                    if ((eldeRR != null) && (eldeRR.Position >= 1) && (eldeRR.Position <= 8))
                    {
                        filters[eldeRR.Position - 1] = eldeRR.Filter;
                    }
                }
            }

            cBrd.SetFiltersPidShortPulses(filters, outPath.PidCoef, (test.TolerRed == 0) ? 0 : 1);

            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.TempDiv != null) readTempPressOps.Add(outPath.TempDiv.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));


            FloatBox switchTimeStart = new FloatBox(0.001f);     /// in seconds, initial value is 1 ms
            FloatBox switchTimeEnd = new FloatBox(0.001f);       /// in seconds, initial value is 1 ms

            LtrPerRefPulse = outPath.FlowMeter.LtrPerPulse;
			int totalPulses = (int)(test.Volume / LtrPerRefPulse + 0.5f);

		//====================================
        loop:
            /// 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, null, totalPulses));
			string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
			TestStartTime = DateTime.Now;


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Checking_tank_capacity);
            //------------------------------------------------
            bool drainTheTank = test.DoDraining;

            if (!drainTheTank)		/// If condition met => skip measuring and force emptying
            {
                ///
                /// Measure the weight and skip emptying if there is enough room in the tank
                ///
                State.Create(string.Format("{0}({1}) : Checking available tank capacity", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(scale.ReadMassOp(ref Mass))
                     .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.BalanceDone));

                double estimatedEndMass = Mass.Val + test.Volume;
                if (estimatedEndMass >= scale.Capacity * Constants.TankFullFactor)
                {
                    drainTheTank = true;
                }
            }
            ///
            if (drainTheTank)
            {
#if BERLIN || SENTEC
                switch (DrainTheTank(outPath.Scale, readTempPressOps))
                {
                    case Event.Error:       { retVal = Event.Error;		goto stopTest; }
                    case Event.UiCmdStop:   { retVal = Event.UiCmdStop; goto stopTest; }
                }

				drainTheTank = false;
#else
                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));
#endif
            }


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

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

			if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);
            ///
            State.Create(string.Format("{0}({1}) : Starting the pump", test.Method, test.Name))
                 .AddOperation(checkUiOp)
//                .AddOperation(new Operations.SetAllRegulValvesOp(inPath.RegulValves, inPath.RegulValvesPct, 60))
                 .AddOperations(readTempPressOps)
                 .AddOperation(inPath.Pump != null ? cBrd.SetValvesOp(inPath.Pump, null) : null)
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (e.Contains(Event.ValvesBusy) /* || !e.Contains(Event.AllPositionsReached)*/);


            if (test.TimePump2StartV > 0)
            {
                State.Create(string.Format("{0}({1}) : Waiting after the pump started", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(new Operations.TimerOp(test.TimePump2StartV))
                     .AddOperations(readTempPressOps)
	 				 .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

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


            if (benchPath.StopBFValve != null)
            {
                State.Create(string.Format("{0}({1}) : Opening the stop backflow valve", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(StateMachine.ControlBoard.SetValvesOp(benchPath.StopBFValve, null))
                     .AddOperations(readTempPressOps)
					 .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e))   { retVal = Event.UiCmdStop; goto stopTest; }
                    if (e.Contains(Event.Error))        { retVal = Event.Error; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet));
            }


            if (test.TimeBeforeFlow > 0)
            {
                State.Create(string.Format("{0}({1}) : Waiting before flow setting process starts", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(new Operations.TimerOp(test.TimeBeforeFlow))
                     .AddOperations(readTempPressOps)
					 .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

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


        setting_flow:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            State.Create(string.Format("{0}({1}) : Setting the flow", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec))
                 .AddOperations(readTempPressOps)
				 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (e.Contains(Event.OpArgumentError))  { retVal = Event.OpArgumentError; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e))       { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.RegulValveTimeOut))
                {
                    Bridge.OnError(this, Strings.Flow_adjustment_failed);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
                if (e.Contains(Event.Next)) goto flow_set;
            }
            while (!e.Contains(Event.FlowReached));

        flow_set:

            int flowSetTime = StateMachine.Time - flowSetTime0;
            double currentFlow = RefFlow.Val;
			if (test.DoControlWaterTemp && (benchPath.TempMtrUp != null) && (benchPath.TempMtrDown != null))
			{
				//---------------------------------------------------
				Bridge.OnActivity(this, Strings.Setting_temperature);
				//---------------------------------------------------

				State.Create(string.Format("{0}({1}) : Wait until the water temperature is within limits", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .EnterState();
				do {
					e = StateMachine.WaitRunDevsRunOps();
					if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
					if (e.Contains(Event.Next)) goto temperature_set;

                    if ((test.TempLimLo <= TempUp.Val) && (TempUp.Val <= test.TempLimHi) &&
                        (test.TempLimLo <= TempDown.Val) && (TempDown.Val <= test.TempLimHi))
                    {
						goto temperature_set;
					}
				}
				while (true);
			}

        temperature_set:


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

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

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

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

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


			if (drainTheTank)
			{
				//------------------------------------------------
				Bridge.OnActivity(this, Strings.Closing_the_tank);
				//------------------------------------------------

				///
				/// Make sure tank draining completed
				///
                switch (DrainTheTank(scale, readTempPressOps))
				{
					case Event.Error: { retVal = Event.Error; goto stopTest; }
					case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
				}

				drainTheTank = false;
			}
			else
			{
				/// Close the drain valve anyway
				State.Create(string.Format("{0}({1}) : Close the drain valve", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(StateMachine.ControlBoard.SetValvesOp(null, scale.DrainValve))
                     .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));
			}


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

			if (test.TimeFlow2Mass > 0)
			{
				State.Create(string.Format("{0}({1}) : Waiting before 1st mass measurement", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(new Operations.TimerOp(test.TimeFlow2Mass))
                     .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.TimerExpired));
			}

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

			LogProcessDataHeader(processDataLogger, "Start mass");
    
			State.Create(string.Format("{0}({1}) : Measuring the start mass", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(measureOperations)
                 .AddOperation(processDataLoggingOp)
                 .AddOperation(scale.ReadStableMassOp(ref StartMass, test.MassRepeats, test.MassSpread, test.MassMethod))
                 .AddOperations(readTempPressOps)
                 .AddOperation(new Operations.TimerOp(StableMassMsrmntTimeoutSec))
                 .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.TimerExpired))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
            }
			while (!e.Contains(Event.BalanceDone));

            Mass.Val = StartMass.Val;
            tMass1 = StateMachine.Time;
            log.WarnFormat("Start mass = {0}kg", StartMass);


            ///
            /// Initialize cumulated reference and water metert pulses 
            ///
            int[] cumulativeEtPulses = new int[Config.Data.WMsCount + 1];       /// 0 .. Config.Data.WMsCount
            int[] cumulativeWMPulses = new int[Config.Data.WMsCount + 1];       /// 1 .. Config.Data.WMsCount
            double[] cumulativeTestTime = new double[Config.Data.WMsCount + 1]; /// 0 .. Config.Data.WMsCount
            for (int i = 0; i <= Config.Data.WMsCount; i++)
            {
                cumulativeEtPulses[i] = 0;
                if (i > 0) cumulativeWMPulses[i] = 0;
                cumulativeTestTime[i] = 0;
            }

            StartNewStatistics(StateMachine.Time, BatchRslts.Batch.BatchNr, test.Name, repetitionNr, 0);

            ///
            /// Diverter test loop
            ///
            for (int divRepetNr = 1; divRepetNr <= testParams.DivRepetitions; divRepetNr++)
            {
                LogProcessDataHeader(processDataLogger, string.Format("Measurement {0}", divRepetNr + 1));

                //------------------------------------------------
                Bridge.OnActivity(this, Strings.Test_in_progress);
                //------------------------------------------------
                State.Create(string.Format("{0}({1}) : Starting the test", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperations(measureOperations)
                     .AddOperation(processDataLoggingOp)
                     .AddOperation(cBrd.StartMeasurementOp(outPath, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro, test.Qfrom, test.Qto, totalPulses/ testParams.DivRepetitions))
                     .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.MeasurementStarted));


                foreach (var rr in sensPath.RegisterReaders)
                {
                    GenericDevices.IHasTestName readerWithTstName = rr as GenericDevices.IHasTestName;
                    if (readerWithTstName != null)
                    {
                        readerWithTstName.TestName = test.Name;
                        readerWithTstName.TestRepeats = test.Repeats;
                        readerWithTstName.RepetitionNr = repetitionNr;
                    }
                }


                /// Measurement loop - preparation
                readRegistersOp = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders);

                int estimtdEndTime = StateMachine.Time + (int)(test.TstTime / testParams.DivRepetitions);

                /// Measurement loop - begin
                State.Create(string.Format("{0}({1}) : Reading watermeters {2}", test.Method, test.Name, divRepetNr))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperations(measureOperations)
                     .AddOperation(readRegistersOp)
                     .AddOperation(scale.ReadMassOp(ref Mass))
                     //.AddOperation(cBrd.ReadDiverterTransitionOp(outPath.Diverter, 2, 4, switchTimeStart, DiverterStart, BatchRslts.Batch.BatchNr, test.Name, repetitionNr))
                     .AddOperation(cBrd.QueryMeasurementEndOp())
                     .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; }

                    //------------------------------------------------
                    int remainingTime = Math.Max(estimtdEndTime - StateMachine.Time, 0);
                    if (remainingTime > 60)
                    {
                        Bridge.OnActivity(this, string.Format("{0}. {1} ... {2} {3} {4} {5}", divRepetNr, Strings.Test_in_progress, remainingTime / 60, "min", remainingTime % 60, Strings.sec));
                    }
                    else
                    {
                        Bridge.OnActivity(this, string.Format("{0}. {1} ... {2} s", divRepetNr, Strings.Test_in_progress, remainingTime));
                    }
                    //------------------------------------------------

                    RefFreq.Val = cBrd.ReferenceFreq;
                    RefFlow.Val = cBrd.ReferenceFlow;

                    UpdateAllStatistics(StateMachine.Time);

                    Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Test));

                    if (e.Contains(Event.MeasurementCompleted)) break;
                }
                while (!e.Contains(Event.Next));	    /// 'Next' button can be used in Debug version

                LogProcessDataHeader(processDataLogger, string.Format("Delay {0}", divRepetNr));

                if (divRepetNr < testParams.DivRepetitions)
                {
                    /// This is not the last diverter repetition

                    /// Delay 5s
                    State.Create(string.Format("{0}({1}) : Delay {2}", test.Method, test.Name, divRepetNr))
                            .AddOperation(checkUiOp)
                            .AddOperations(readTempPressOps)
                            .AddOperation(processDataLoggingOp)
                            .AddOperation(new Operations.TimerOp(5))
                            .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.TimerExpired));

                    /// Accumulate partial pulses
                    cumulativeEtPulses[0] += cBrd.EtPulses(0);
                    cumulativeTestTime[0] += cBrd.TTime;
                    for (int i = 1; i <= Config.Data.WMsCount; i++)
                    {
                        cumulativeEtPulses[i] += cBrd.EtPulses(i);
                        cumulativeWMPulses[i] += cBrd.WMeterPulses(i);
                        cumulativeTestTime[i] += cBrd.ImpulseTime(i);
                    }
                }
            } /// end for ... diverter test loop

            /// Measurement loop - end

        test_completed:

			StopRecordingStatistics();

            State.Create(string.Format("{0}({1}) : Stopping flow regulation", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(cBrd.StopFlowRegulationOp(outPath))
                 .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.FlowRegulationStopped));

            ///
            /// (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 !CEVAK_200
            if (isLastRepetition && transitionAfter == null)
#endif
            {
                if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOff();

                State.Create("SequenceBase : Transition : TestEnd - Default action")
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(new MettlerToledo.KeepReadingMassesOp())
                     .AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error))    { retVal = Event.Error;     goto stopTest; }
                    if (TestAndLogUiCmdStop(e))     { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet));
            }

			//------------------------------------------------
			Bridge.OnActivity(this, Strings.Measuring_the_weight);
			//------------------------------------------------
			State.Create(string.Format("{0}({1}) : Waiting before the 2nd mass measurement", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(scale.ReadMassOp(ref Mass))
                 .AddOperation(cBrd.ReadDiverterTransitionOp(outPath.Diverter, 2, 4, switchTimeEnd, DiverterEnd, BatchRslts.Batch.BatchNr, test.Name, repetitionNr))
                 .AddOperation(processDataLoggingOp)
                 .AddOperation(new Operations.TimerOp(test.TimeStop2Mass))
                 .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.TimerExpired) || !e.Contains(Event.BalanceDone));


			LogProcessDataHeader(processDataLogger, "End mass");

            State.Create(string.Format("{0}({1}) : Measuring the end mass", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(scale.ReadStableMassOp(ref EndMass, test.MassRepeats, test.MassSpread, test.MassMethod))
                 .AddOperation(new Operations.TimerOp(StableMassMsrmntTimeoutSec))
                 .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.TimerExpired))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
            }
			while (!e.Contains(Event.BalanceDone));
            ///
            tMass2 = StateMachine.Time;
            log.WarnFormat("End mass = {0}kg", EndMass);
			TestEndTime = DateTime.Now;

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

            ///
            /// Accumulate partial pulses from the last diverter repetition
            ///
            cumulativeEtPulses[0] += cBrd.EtPulses(0);
            cumulativeTestTime[0] += cBrd.TTime;
            for (int i = 1; i <= Config.Data.WMsCount; i++)
            {
                cumulativeEtPulses[i] += cBrd.EtPulses(i);
                cumulativeWMPulses[i] += cBrd.WMeterPulses(i);
                cumulativeTestTime[i] += cBrd.ImpulseTime(i);
            }

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

			if (tstRslt != null)
			{
                UpdateTempPressDensAmb(tstRslt);

				/// Main results
                tstRslt.MethodClass  = TbfComponents.FindComponent(test.Method).ClassName;
                tstRslt.StartTime    = TestStartTime;
				tstRslt.EndTime      = TestEndTime;
				tstRslt.FlowSetTime  = flowSetTime;
                tstRslt.TestTime     = cumulativeTestTime[0];							        /// [s] measurement time
                tstRslt.TimeBtwnMassMsrmnts = tMass2 - tMass1;
                double massOfEvaporatedWater = (double)tstRslt.TimeBtwnMassMsrmnts * outPath.Scale.EvaporationRate(tstRslt.TempDivMean);
                tstRslt.PulsesMaster = Convert.ToDouble(cumulativeEtPulses[0]);	    /// Pulses of the master flow meter (test total)
				tstRslt.MassStartRaw = StartMass.Val;
                tstRslt.MassStart    = Config.Formulas.CorrectedValue(tstRslt.MassStartRaw, scale.Corrections);
				tstRslt.MassEndRaw   = EndMass.Val;
                tstRslt.MassEnd      = Config.Formulas.CorrectedValue(tstRslt.MassEndRaw, scale.Corrections);
                tstRslt.FlowMass     = 3600.0 * (tstRslt.MassEnd - tstRslt.MassStart + massOfEvaporatedWater) / tstRslt.TestTime;			/// [kg/h]
				tstRslt.FlowVolume   = 3.6 * LtrPerRefPulse * tstRslt.PulsesMaster / tstRslt.TestTime;				/// [m3/h]
                tstRslt.Buoyancy     = Config.Formulas.Buoyancy();
                tstRslt.VolumeCTV    = 1000 * tstRslt.Buoyancy * (tstRslt.MassEnd - tstRslt.MassStart + massOfEvaporatedWater) / tstRslt.DensityLine;   /// [l] commercially true volume
                if ((outPath.Diverter != null) && (tstRslt.TestTime > float.Epsilon))
                {
                    tstRslt.TestTimeCorrection = outPath.Diverter.TestTimeCorrection(tstRslt.FlowVolume);
                    tstRslt.VolumeCTV *= tstRslt.TestTime + tstRslt.TestTimeCorrection;
                    tstRslt.VolumeCTV /= tstRslt.TestTime;
                }
				tstRslt.VolumeMaster = LtrPerRefPulse * tstRslt.PulsesMaster;										/// [l] volume from the master flow meter
                tstRslt.ConstMasterRaw = outPath.FlowMeter.LtrPerPulse;                                             /// Uncorrected master flowmeter coefficient
                tstRslt.ConstMasterCorr = outPath.FlowMeter.LtrPerPulseCorrected(tstRslt.FlowVolume, rangeIx);      /// Corrected master pulses per liter
                tstRslt.ConstMaster  = (tstRslt.VolumeMaster == 0) ? tstRslt.ConstMasterCorr : (LtrPerRefPulse * tstRslt.VolumeCTV / tstRslt.VolumeMaster);
                                                                                                                    /// Calculated master pulses per liter
                tstRslt.ErrorMaster  = Config.Formulas.ErrorFromVolumes(tstRslt.VolumeMaster, tstRslt.VolumeCTV);

				tstRslt.FlowMean = (float)RefFlowStat.Average;
				tstRslt.FlowStart = (float)RefFlowStat.First;
				tstRslt.FlowEnd = (float)RefFlowStat.Last;
				tstRslt.FlowMin = (float)RefFlowStat.Min;
                tstRslt.FlowMax = (float)RefFlowStat.Max;

                tstRslt.DiverterStart = switchTimeStart.Val;
                tstRslt.DivStart10 = 0;
                tstRslt.DivStart50 = 0;
                tstRslt.DivStart90 = 0;
                tstRslt.DiverterEnd = switchTimeEnd.Val;
                tstRslt.DivEnd90 = 0;
                tstRslt.DivEnd50 = 0;
                tstRslt.DivEnd10 = 0;
                log.DebugFormat("Diverter switch time [s]: Start: {0}ms ({1} {2} {3}) End: {4}ms ({5} {6} {7})",
                                (tstRslt.DiverterStart * 1000).ToString("F0"), tstRslt.DivStart10, tstRslt.DivStart50, tstRslt.DivStart90,
                                (tstRslt.DiverterEnd * 1000).ToString("F0"), tstRslt.DivEnd90, tstRslt.DivEnd50, tstRslt.DivEnd10);

                tstRslt.ErrorFlagsMd = (ErrorFlagsComp != null) ? (sbyte)ErrorFlagsComp.Mode : (sbyte)0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, true, false, tstRslt.DiverterStart, tstRslt.DiverterEnd) : 0;

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

					/// MetersKind.Single meters
					Results.Entities.MeterTestRslt meterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.Single);
					GenericDevices.IRegisterReader regReader = sensPath.RegisterReaders[i];
                    GenericDevices.IDatastreamReader dstrReader = regReader as GenericDevices.IDatastreamReader;
                    TestMethods.iPerlCommunication.iPerlHead.IperlHead iPerl = regReader as TestMethods.iPerlCommunication.iPerlHead.IperlHead;
                    GenericDevices.IRoi cameraRoi = regReader as GenericDevices.IRoi;

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

                        if (dstrReader != null)
						{

                            meterRslt.TimestampStart = dstrReader.TimestampSecStart;
                            meterRslt.TimestampEnd   = dstrReader.NoSamples ? (dstrReader.TimestampSecStart + tstRslt.TestTime) : dstrReader.TimestampSecEnd;
							meterRslt.TestTime 		 = meterRslt.TimestampEnd - meterRslt.TimestampStart;
                            meterRslt.VolumeStart    = dstrReader.VolumeLtrStart;        /// liter
                            meterRslt.VolumeEnd      = dstrReader.VolumeLtrEnd;          /// liter
                            meterRslt.VolumeMeter    = Math.Abs(dstrReader.VolumeLtrEnd - dstrReader.VolumeLtrStart);
							meterRslt.VolumeRef 	 = tstRslt.VolumeCTV * meterRslt.TestTime / tstRslt.TestTime;
                            meterRslt.PulsesMaster   = tstRslt.PulsesMaster * meterRslt.TestTime / tstRslt.TestTime;

                            if (iPerl != null)
                            {
                                if (iPerl.ResultCode != 0 && (meterRslt.WaterMeter.ResultCode & (int)Results.Entities.ResultCode.OptoErrorCodeMask) == 0)
                                {
                                    meterRslt.WaterMeter.ResultCode |= iPerl.ResultCode;
                                }
#if IPERL
								meterRslt.WaterMeter.CalibFactor  = iPerl.CalibFactor;
#endif
								iPerl.LastTestResult2 = iPerl.LastTestResult;							/// Save shift previous test result
								iPerl.LastTestResult = meterRslt;										/// Save this test result
                            }
                        }
						else if (cameraRoi != null)
						{
							meterRslt.TimestampStart = cameraRoi.TimestampStart;					/// second
							meterRslt.TimestampEnd = cameraRoi.TimestampEnd;						/// second

							meterRslt.VolumeStart = cameraRoi.VolumeStart;							/// liter
							meterRslt.VolumeEnd = cameraRoi.VolumeEnd;								/// liter
							meterRslt.VolumeMeter = cameraRoi.VolumeEnd - cameraRoi.VolumeStart;	/// liter

                            if (meterRslt.VolumeMeter != 0)
                            {
                                /// Normal measurement with camera
                                meterRslt.TestTime = cameraRoi.TimestampEnd - cameraRoi.TimestampStart;	/// second
                                meterRslt.VolumeRef = tstRslt.VolumeCTV * meterRslt.TestTime / tstRslt.TestTime;
                                meterRslt.PulsesMaster = tstRslt.PulsesMaster * meterRslt.TestTime / tstRslt.TestTime;
                            }
                            else
                            {
                                /// None or one pulse from the water meter using camera
                                meterRslt.TestTime = tstRslt.TestTime;
                                meterRslt.VolumeRef = tstRslt.VolumeCTV;
                                meterRslt.PulsesMaster = tstRslt.PulsesMaster;
                            }
						}
						else
						{
                            meterRslt.PulsesMaster = Convert.ToDouble(cumulativeEtPulses[i + 1]);
                            meterRslt.VolumeMeter = cumulativeWMPulses[i + 1] * regReader.LtrsPerPulse;	/// liter
                            meterRslt.VolumeStart = 0;												    /// liter
                            meterRslt.VolumeEnd = meterRslt.VolumeMeter;								/// liter

                            if (regReader.WMPulses >= 1)
                            {
                                /// Normal measurement
                                meterRslt.TestTime = cumulativeTestTime[i + 1];
                                meterRslt.VolumeRef = meterRslt.PulsesMaster * tstRslt.ConstMaster;	/// liter
                            }
                            else
                            {
                                /// None or one pulse from the water meter
                                meterRslt.TestTime = cumulativeTestTime[0];
                                meterRslt.VolumeRef = tstRslt.VolumeCTV;                            /// liter
                            }
						}

                        meterRslt.Error = Config.Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);

                        meterRslt.Passed = (meterRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty)
										&& (meterRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty)
										&& (tstRslt.ErrorFlags == 0 || tstRslt.ErrorFlagsMode() != Config.Entities.ErrorFlagsMode.On);
						meterRslt.TestDone = true;
                        tstRslt.TestDone = true;
					}
				}

				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.RegulValve != null ? outPath.RegulValve.Name : string.Empty,
																outPath.Diverter != null ? outPath.Diverter.Name : string.Empty));

                /// Update water meter error flags
                if (ErrorFlagsComp != null)
                {
                    for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                    {
                        if (BatchRslts.WaterMeters[i] != null)
                        {
                            BatchRslts.WaterMeters[i].ErrorFlags = ErrorFlagsComp.GetWMtrErrorFlags(BatchRslts.WaterMeters[i].MeterTestRslts);
                        }
                    }
                }

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

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

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

		stopTest:

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

			///
			///  Quit this sequence
			///
			if (isLastRepetition || retVal == Event.UiCmdStop || retVal == Event.OpArgumentError
								 || retVal == Event.Error || retVal == Event.ConfigurationError)
			{
                State.Create(string.Format("{0}({1}) : Stopping diverter, gate, etc.", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(cBrd.StopPreviousOp())
                     .EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e)) break;
                }
                while (!e.Contains(Event.PreviousStopped));
            }

        stopTestWOStoppingDivGateEtc:

			return new List<Event> { retVal };
		}
    }
}