///
/// Copyright (c) 2019-2021 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using Common;
using Config.Entities;
using TBF.Rig;
using TBF.Boxes;
using TBF.Resources;
using TBF.UiBridge;
using TBF.Rig.GenericDevices;
using TBF.Rig.Sequences;

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

        /// <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 (test.Volume > devices.Scale.Capacity * Constants.TankFullFactor)
            {
                /// Scale capacity is not sufficient
                message = string.Format("{0}: {1}", test.Name, Strings.Test_volume_exceeds_the_scale_capacity);
                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;
        }

		/// <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)
		{
            TBF.Rig.ControlBoard.Uni.UniCB cBrd = StateMachine.ControlBoard as TBF.Rig.ControlBoard.Uni.UniCB;
            IScale scale = cBrd.Devices.Scale as IScale;

			int rangeIx = 0;                   /// Default range, used for non-Elde flowmeters
            if (outPath.FlowMeter is Uni.FlowMeter.FlowMeter)
            {
                Uni.FlowMeter.FlowMeter eldeFM = outPath.FlowMeter as Uni.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 ???
                }
			}


            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);

            if (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 as ControlBoard.Uni.UniCB).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));

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

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

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

            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;
                }
            }


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

            if (!drainTheTank)		/// If condition met => skip measuring and force emptying
            {
                double estimatedEndMass = scale.Mass + test.Volume;
                if (estimatedEndMass >= scale.Capacity * Constants.TankFullFactor)
                {
                    drainTheTank = true;
                }
            }
            ///
            if (drainTheTank)
            {
#if BERLIN || GELSENWASSER || 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, 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, Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, 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, Progress.FlowSetting));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, 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, Progress.FlowSetting));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Progress.FlowSetting));

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

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            State.Create(string.Format("{0}({1}) : Setting the flow", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperation(cBrd.SetFlowOp(test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec))
                 .AddOperations(readTempPressOps)
				 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, 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.IRegReaderLiveCamera> rois = new List<GenericDevices.IRegReaderLiveCamera>();
			foreach (var rr in sensPath.RegisterReaders)
			{
                GenericDevices.IRegReaderLiveCamera cameraRoI = rr as GenericDevices.IRegReaderLiveCamera;
                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> cameraMeasurementOps = new List<IOperation>();
			foreach (var camera in cameras) cameraMeasurementOps.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);
			//------------------------------------------------

            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(readTempPressOps)
                 .AddOperations(cameraMeasurementOps)
                 .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;
            log.WarnFormat("Start mass = {0}kg", StartMass);


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

            ///
            /// Diverter test loop
            ///
            int remainingPulses = totalPulses;
            StartNewStatistics(StateMachine.Time, BatchRslts.Batch.BatchNr, test.Name, repetitionNr, 0);
            DiverterStart.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);
            DiverterEnd.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);

            float[] divStartTimes = new float[testParams.DivRepetitions];
            float[] divEndTimes = new float[testParams.DivRepetitions];

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

                int remainingRepetitions = testParams.DivRepetitions - divRepetNr + 1;
                int pulsesNow = (remainingPulses + remainingRepetitions - 1) / remainingRepetitions;
                remainingPulses -= pulsesNow;

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

                /// Measurement loop preparation
                int estimtdEndTime = StateMachine.Time + (int)(test.TestTime / testParams.DivRepetitions);
                int remainingTime;
                
                State.Create(string.Format("{0}({1}) : Perform test", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperations(cameraMeasurementOps)
                     .AddOperation(cBrd.FlyingStartStopTestOp(test, test.Qfrom, test.Qto, pulsesNow, 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} {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));

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

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

                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(new Operations.TimerOp(5))
                         .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; }
                    }
                    while (!e.Contains(Event.TimerExpired));

                    /// Accumulate partial pulses
                    cumulativeEtPulses[0] += cBrd.RefPulses;
                    cumulativeTestTime[0] += cBrd.TestTime;
                    for (int i = 1; i <= ProcessData.WMsCount; i++)
                    {
                        cumulativeEtPulses[i] += cBrd.RefPulsesWM(i);
                        cumulativeWMPulses[i] += cBrd.PulsesWM(i);
                        cumulativeTestTime[i] += cBrd.TestTimeWM(i);
                    }

                    divStartTimes[divRepetNr - 1] = outPath.Diverter.SwitchTimeStart.Val;
                    divEndTimes[divRepetNr - 1] = outPath.Diverter.SwitchTimeEnd.Val;
                }
            } /// end for ... diverter test loop

            /// Test completed
			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 !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(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);
			//------------------------------------------------

			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.TimeStop2Mass, 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));
            ///
            tMass2 = StateMachine.Time;
            log.WarnFormat("End mass = {0}kg", EndMass);
			TestEndTime = DateTime.Now;

            /// Calculate average diverter start/end times
            divStartTimes[testParams.DivRepetitions - 1] = outPath.Diverter.SwitchTimeStart.Val;
            divEndTimes[testParams.DivRepetitions - 1] = outPath.Diverter.SwitchTimeEnd.Val;
            for (int i = 0; i < testParams.DivRepetitions - 1; i++)
            {
                outPath.Diverter.SwitchTimeStart.Val = outPath.Diverter.SwitchTimeStart.Val + divStartTimes[i];
                outPath.Diverter.SwitchTimeEnd.Val = outPath.Diverter.SwitchTimeEnd.Val + divEndTimes[i];
            }
            outPath.Diverter.SwitchTimeStart.Val = outPath.Diverter.SwitchTimeStart.Val / Convert.ToSingle(testParams.DivRepetitions);
            outPath.Diverter.SwitchTimeEnd.Val = outPath.Diverter.SwitchTimeEnd.Val / Convert.ToSingle(testParams.DivRepetitions);

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

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

            ///
            /// Accumulate partial pulses from the last diverter repetition
            ///
            cumulativeEtPulses[0] += cBrd.RefPulses;
            cumulativeTestTime[0] += cBrd.TestTime;
            for (int i = 1; i <= ProcessData.WMsCount; i++)
            {
                cumulativeEtPulses[i] += cBrd.RefPulsesWM(i);
                cumulativeWMPulses[i] += cBrd.PulsesWM(i);
                cumulativeTestTime[i] += cBrd.TestTimeWM(i);
            }

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

			if (tstRslt != null)
            {
                Results.Utils.GetCounterStates(tstRslt, Program.LocalSettings.Counters);
                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;
                tstRslt.PulsesMaster = Convert.ToDouble(cumulativeEtPulses[0]);	    /// Pulses of the master flow meter (test total)
				tstRslt.MassStartRaw = StartMass.Val;
                tstRslt.MassStart    = MeasurementCorrection.CorrectedValue(tstRslt.MassStartRaw, scale.Corrections);
				tstRslt.MassEndRaw   = EndMass.Val;
                tstRslt.MassEnd      = MeasurementCorrection.CorrectedValue(tstRslt.MassEndRaw, scale.Corrections);
                tstRslt.MassOfEvapWater = (double)tstRslt.TimeBtwnMassMsrmnts * outPath.Scale.EvaporationRate(tstRslt.TempDivMean);
                tstRslt.FlowMass     = 3600.0 * (tstRslt.MassEnd - tstRslt.MassStart + tstRslt.MassOfEvapWater) / tstRslt.TestTime;	/// [kg/h]
				tstRslt.FlowVolume   = 3.6 * LtrPerRefPulse * tstRslt.PulsesMaster / tstRslt.TestTime;				                /// [m3/h]
                tstRslt.VolumeCTV    = 1000 * tstRslt.Batch.Buoyancy * (tstRslt.MassEnd - tstRslt.MassStart + tstRslt.MassOfEvapWater) / tstRslt.DensityLine;   /// [l] commercially true volume
                if ((outPath.Diverter != null) && (tstRslt.TestTime > float.Epsilon))
                {
                    tstRslt.TestTimeCorrection = testParams.DivRepetitions * 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  = 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 = outPath.Diverter.SwitchTimeStart.Val;
                tstRslt.DivStart10 = 0;
                tstRslt.DivStart50 = 0;
                tstRslt.DivStart90 = 0;
                tstRslt.DiverterEnd = outPath.Diverter.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);
                long infoFlags = 0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, true, false, tstRslt.DiverterStart, tstRslt.DiverterEnd, out infoFlags) : 0;
                tstRslt.InfoFlags = infoFlags;

                ///
				/// 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, Common.CompoundMeterId.Single);
					GenericDevices.IRegReader regReader = sensPath.RegisterReaders[i];
                    GenericDevices.IRegReaderDatastream dstrReader = regReader as GenericDevices.IRegReaderDatastream;
                    TestMethods.iPerlCommunication.iPerlHead.IperlHead iPerl = regReader as TestMethods.iPerlCommunication.iPerlHead.IperlHead;
                    GenericDevices.IRegReaderLiveCamera cameraRoi = regReader as GenericDevices.IRegReaderLiveCamera;

					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 = 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);
						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.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));

		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)
			{
                cBrd.StopAll(false);
            }

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