///
/// Copyright (c) 2018 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.IO;
using log4net;
using TBF.Resources;
using TBF.UiBridge;
using TBF.BenchControl.GenericDevices;
using TBF.Boxes;

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

		/// <summary>
		/// Fixed start mass collection method sequence
		/// </summary>
		/// <param name="test">Test entity</param>
		/// <returns>
		///		Event.Done . . . . . . . OK
		///		Event.MakeSecondPass . . OK, 2nd pass (=evaluation) required
		///		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,
                                    Single.TestParams singleTestParams,
                                    Compound.TestParams compoundTestParams,
                                    Config.Entities.DebugMode debugLevel)
        {
            if ((outPath.Scale == null) || !(outPath.Scale is IVolumeMeter))
			{
				Bridge.OnError(this, Strings.Missing_a_tank_with_volume_measurement);
                new List<Event> { Event.ConfigurationError };
            }
            IVolumeMeter tank = outPath.Scale as IVolumeMeter;
            bool manualLevelMsrmnt = (singleTestParams != null) ? singleTestParams.ManualLevelMsrmnt : compoundTestParams.ManualLevelMsrmnt;

			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);
                    new List<Event> { Event.ConfigurationError };
                }
			}

			if (test.Volume >= outPath.Scale.Capacity * Constants.TankFullFactor)
			{
				Bridge.OnError(this, Strings.Test_volume_exceeds_the_scale_capacity);
                new List<Event> { Event.ConfigurationError };
            }


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


            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));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2));

            Event retVal = Event.Done;

            float switchTimeStart = 0.001f;     /// in seconds, original vale is 1 ms
            float switchTimeEnd = 0.001f;       /// in seconds, original vale is 1 ms

            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);

			DoubleBox volumeBox = new DoubleBox();

        //====================================
        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, heatMetersPath, totalPulses));
            string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);


            ///
            /// Optionally drain the water tank
            ///
            if (test.DoDraining)
            {
                switch (DrainTheTank(outPath.Scale))
                {
                    case Event.Error: { retVal = Event.Error; goto stopTest; }
                    case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
                }
            }


            //------------------------------------------------
            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)
                 .AddOperations(readTempPressOps)
                 //.AddOperation(new Operations.SetAllRegulValvesOp(inPath.RegulValves, inPath.RegulValvesPct, 60))
                 .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)
                     .AddOperations(readTempPressOps)
                     .AddOperation(new Operations.TimerOp(test.TimePump2StartV))
                     .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)
                     .AddOperations(readTempPressOps)
                     .AddOperation(StateMachine.ControlBoard.SetValvesOp(benchPath.StopBFValve, null))
                     .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)
                     .AddOperations(readTempPressOps)
                     .AddOperation(new Operations.TimerOp(test.TimeBeforeFlow))
                     .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);
            //------------------------------------------------
            if (inPath.Pump is GenericDevices.IPumpFM)
            {
                (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);
            }
            ///
            State.Create(string.Format("{0}({1}) : Pump on", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(StateMachine.ControlBoard.SetValvesOp(inPath.Pump, 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; }
            }
            while (e.Contains(Event.ValvesBusy));
            ///
            State.Create(string.Format("{0}({1}) : Start valve open", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(new TBF.BenchControl.Elde.SetValvesOp(cBrd, false, outPath))
                 .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.ValvesBusy));


            //--------------------------------
            State.Create(string.Format("{0}({1}) : Setting the flow", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec))
				 .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;

			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:

            //-----------------------------------------------------------------
            Bridge.OnActivity(this, Strings.Stopping_flow_for_the_fixed_start);
			//-----------------------------------------------------------------
			State.Create(string.Format("{0}({1}) : Closing the start/stop valve before the fixed start test", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(new TBF.BenchControl.Elde.SetValvesOp(cBrd, true, outPath))
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (!e.Contains(Event.ValvesSet));


            int time = StateMachine.Time;
            double currentFlow = RefFlow.Val;


			///
			/// Enter watermeter begin states here
			///
			GenericDevices.IHasWMStatesForm dataEntryCmpnt = TbfComponents.FindComponent(StateMachine.Procedure.DataEntry) as GenericDevices.IHasWMStatesForm;

			if (dataEntryCmpnt != null)
			{
				string fileName = string.Format("{0}-start.bmp", test.Name);

				if (dataEntryCmpnt is GenericDevices.IDataEntryForCamera)
				{
					string[] startImages = new string[sensPath.RegisterReaders.Length];

                    State state2 = State.Create(string.Format("{0}({1}) : Grabbing images", test.Method, test.Name))
                                        .AddOperation(checkUiOp)
                                        .AddOperations(readTempPressOps);

					for (int i = 0; i < sensPath.RegisterReaders.Length; i++)
					{
						GenericDevices.IRoiForFixedStart roi = sensPath.RegisterReaders[i] as GenericDevices.IRoiForFixedStart;
						if (roi != null)
						{
							string directory = Path.Combine(Program.TempImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
							Directory.CreateDirectory(directory);
							startImages[i] = Path.Combine(directory, fileName);
							state2.AddOperation(roi.GrabImageOp(startImages[i]));
						}
					}

					state2.EnterState();
					do {
						e = StateMachine.WaitRunDevsRunOps();

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

						if (e.Contains(Event.Error)) { retVal = Event.Error; break; }
						if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; break; }
					}
					while (e.Contains(Event.CameraBusy));

					(dataEntryCmpnt as GenericDevices.IDataEntryForCamera).StartImages = startImages;
				}

				Bridge.OnActivity(this, Strings.Enter_water_meter_data);
				State.Create(string.Format("{0}({1}) : Entering begin-state", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation((dataEntryCmpnt as GenericDevices.IHasWMStatesForm).ShowTestStartFormOp(sensPath.RegisterReaders))
					 .EnterState();
				do {
					e = StateMachine.WaitRunDevsRunOps();
					if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
				}
				while (!e.Contains(Event.ModelessFormClosed));

				for (int i = 0; i < Config.Data.WMsCount; i++)
				{
					GenericDevices.IRegisterReader rr = sensPath.RegisterReaders[i];

					if (rr is BenchControl.Elde.FixedStartRegisterReader.RegisterReader)
						(rr as BenchControl.Elde.FixedStartRegisterReader.RegisterReader).BeginWMState = dataEntryCmpnt.WMStartState(i);

					if (rr is BenchControl.Network.Camera.RoiForFixedStart.Roi)
						(rr as BenchControl.Network.Camera.RoiForFixedStart.Roi).BeginWMState = dataEntryCmpnt.WMStartState(i);
                }

				if (dataEntryCmpnt is GenericDevices.IDataEntryForCamera && (dataEntryCmpnt as GenericDevices.IDataEntryForCamera).SaveImages)
				{
					/// SaveImages==true ... copy images to the directory that will be archived at the end of the cycle
					for (int i = 0; i < sensPath.RegisterReaders.Length; i++)
					{
						GenericDevices.IRoiForFixedStart roi = sensPath.RegisterReaders[i] as GenericDevices.IRoiForFixedStart;
						if (roi != null)
						{
							string srcDir = Path.Combine(Program.TempImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
							string destDir = Path.Combine(Program.ImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
                            try
                            {
                                if (File.Exists(Path.Combine(srcDir, fileName)))
                                {
                                    Directory.CreateDirectory(destDir);
                                    File.Copy(Path.Combine(srcDir, fileName), Path.Combine(destDir, fileName), true);
                                }
                            }
                            catch (Exception exc)
                            {
                                log.ErrorFormat("Failed to copy image {0} to {1}: {2}", fileName, destDir, exc.Message);
                            }
                        }
					}
				}
			}


			TestStartTime = DateTime.Now;
			LogProcessDataTestInfo(processDataLogger, test.Procedure.Name, test.Name);
			LogProcessDataHeader(processDataLogger, "Measurement");

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_in_progress);
            //------------------------------------------------
            State.Create(string.Format("{0}({1}) : Starting the test", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(cBrd.StartMeasurementOp(outPath, (Elde.TestMethods.Diverter | Elde.TestMethods.Synchro), test.Qfrom, test.Qto, (totalPulses * 5 / 4)))
                 .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));

            StartTime = (double)StateMachine.Time;

            State.Create(string.Format("{0}({1}) : Opening the start/stop valve at the beginning of the fixed start test", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(new TBF.BenchControl.Elde.SetValvesOp(cBrd, false, outPath))
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (!e.Contains(Event.ValvesSet));

            switchTimeStart = 0.001f * cBrd.ValveOpenCloseTime;
            log.WarnFormat("Start valve switch time on test start = {0} ms", cBrd.ValveOpenCloseTime);

            /// Measurement loop - preparation
            readRegistersOp = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders);
            queryEnd1 = cBrd.QueryMeasurementEndOp();
            queryEnd2 = cBrd.QueryMeasurementEndOp();

            StartNewStatistics(StateMachine.Time, BatchRslts.Batch.BatchNr, test.Name, repetitionNr, Math.Max((int)(test.TstTime / 10), 5));
			int estimtdEndTime = StateMachine.Time + (int)test.TstTime;

            /// Measurement loop - begin
            do
            {
                //--------------------------------
                switch (ReadRegistersTempPressAmbient(null, true))
                {
                    case Event.Error:
                        retVal = Event.Error;
                        goto stopTest;

                    case Event.UiCmdStop:
                        retVal = Event.UiCmdStop;
                        goto stopTest;

                    case Event.MeasurementCompleted:
                        goto test_completed;
                }

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

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

				UpdateAllStatistics(StateMachine.Time);

                if (compoundTestParams != null)
                {
                    /// TODO: Reimplement for combined meters
                    //for (int i = 0; i < Config.Data.CompoundWMsCount; 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.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
            }
            while (cBrd.EtPulses(0) < totalPulses);
        /// Measurement loop - end

        test_completed:

			StopRecordingStatistics();

            EndTime = (double)StateMachine.Time;

            State.Create(string.Format("{0}({1}) : Closing the start/stop valve at the end of the fixed start test", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(new TBF.BenchControl.Elde.SetValvesOp(cBrd, true, outPath))
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (e.Contains(Event.ValvesBusy));

            switchTimeEnd = 0.001f * cBrd.ValveOpenCloseTime;
            log.WarnFormat("Start valve switch time on test end = {0} ms", cBrd.ValveOpenCloseTime);

            State.Create(string.Format("{0}({1}) : Waiting before 2nd mass measurement", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(new Operations.TimerOp(test.TimeStop2Mass))
                 .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));


            LogProcessDataHeader(processDataLogger, "Water level measurement");

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
			State.Create(string.Format("{0}({1}) : Water level measurement", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(manualLevelMsrmnt ? tank.ManualReadVolumeOp(ref volumeBox) : tank.ReadStableVolumeOp(ref volumeBox, 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; }
            }
			while (!e.Contains(Event.VolumeDone));
            ///
			log.WarnFormat("Volumes = {0}l", volumeBox.Val);
            TestEndTime = DateTime.Now;


            State.Create(string.Format("{0}({1}) : Stopping diverter, gate, etc.", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperation(cBrd.StopPreviousOp())
                 .EnterState();
            do {
                e = StateMachine.WaitRunDevsRunOps();
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.PreviousStopped));

			double volumeCTV = volumeBox.Val;
            double refEnergy = Energy.Sum * volumeCTV / VolumeForEnergy.Sum;					/// [J]=[J]*[l]/[l]

            ///
            /// Enter watermeter end states here
            ///
            if (dataEntryCmpnt != null)
            {
				string fileName = string.Format("{0}-end.bmp", test.Name);

				if (dataEntryCmpnt is GenericDevices.IDataEntryForCamera)
				{
					string[] endImages = new string[sensPath.RegisterReaders.Length];

                    State state2 = State.Create(string.Format("{0}({1}) : Grabbing images", test.Method, test.Name))
                                        .AddOperation(checkUiOp)
                                        .AddOperations(readTempPressOps);

					for (int i = 0; i < sensPath.RegisterReaders.Length; i++)
					{
						GenericDevices.IRoiForFixedStart roi = sensPath.RegisterReaders[i] as GenericDevices.IRoiForFixedStart;
						if (roi != null)
						{
							string directory = Path.Combine(Program.TempImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
							Directory.CreateDirectory(directory);
							endImages[i] = Path.Combine(directory, fileName);
							state2.AddOperation(roi.GrabImageOp(endImages[i]));
						}
					}

					state2.EnterState();
					do {
						e = StateMachine.WaitRunDevsRunOps();

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

						if (e.Contains(Event.Error)) { retVal = Event.Error; break; }
						if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; break; }
					}
					while (e.Contains(Event.CameraBusy));

					(dataEntryCmpnt as GenericDevices.IDataEntryForCamera).EndImages = endImages;
				}
				
				Bridge.OnActivity(this, Strings.Enter_water_meter_data);
                State.Create(string.Format("{0}({1}) : Entering the end-state", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
					 .AddOperation(dataEntryCmpnt.ShowTestEndFormOp(sensPath.RegisterReaders, volumeCTV, (test.ErrLimLo + test.Uncertainty), (test.ErrLimHi - test.Uncertainty)))
					 .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ModelessFormClosed));


                for (int i = 0; i < Config.Data.WMsCount; i++)
                {
					GenericDevices.IRegisterReader rr = sensPath.RegisterReaders[i];

					if (rr is BenchControl.Elde.FixedStartRegisterReader.RegisterReader)
						(rr as BenchControl.Elde.FixedStartRegisterReader.RegisterReader).EndWMState = dataEntryCmpnt.WMEndState(i);

					if (rr is BenchControl.Network.Camera.RoiForFixedStart.Roi)
						(rr as BenchControl.Network.Camera.RoiForFixedStart.Roi).EndWMState = dataEntryCmpnt.WMEndState(i);
				}

				if (dataEntryCmpnt is GenericDevices.IDataEntryForCamera && (dataEntryCmpnt as GenericDevices.IDataEntryForCamera).SaveImages)
				{
					/// SaveImages==true ... copy images to the directory that will be archived at the end of the cycle
					for (int i = 0; i < sensPath.RegisterReaders.Length; i++)
					{
						GenericDevices.IRoiForFixedStart roi = sensPath.RegisterReaders[i] as GenericDevices.IRoiForFixedStart;
						if (roi != null)
						{
							string srcDir = Path.Combine(Program.TempImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
							string destDir = Path.Combine(Program.ImagesDir, BatchRslts.Batch.BatchNr.ToString(), (i + 1).ToString());
                            try
                            {
                                if (File.Exists(Path.Combine(srcDir, fileName)))
                                {
                                    Directory.CreateDirectory(destDir);
                                    File.Copy(Path.Combine(srcDir, fileName), Path.Combine(destDir, fileName), true);
                                }
                            }
                            catch (Exception exc)
                            {
                                log.ErrorFormat("Failed to copy image {0} to {1}: {2}", fileName, destDir, exc.Message);
                            }
                        }
					}
				}
			}


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

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

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

            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 = Math.Max(1.0, EndTime - StartTime);		/// [s] measurement time, at least 1 to prevent division by zero
                
                tstRslt.PulsesMaster = Convert.ToDouble(cBrd.EtPulses(0));	/// Pulses of the master flow meter (test total)
                tstRslt.MassStartRaw = 0;
                tstRslt.MassStart    = 0;
                tstRslt.MassEndRaw   = 0;
                tstRslt.MassEnd      = 0;
                tstRslt.FlowMass     = 0;																		/// [kg/h]
                tstRslt.FlowVolume   = 3.6 * LtrPerRefPulse * tstRslt.PulsesMaster / tstRslt.TestTime;			/// [m3/h]
                tstRslt.VolumeMaster = LtrPerRefPulse * tstRslt.PulsesMaster;									/// [l] volume from the master flow meter
				tstRslt.Buoyancy     = 0;
				tstRslt.VolumeCTV    = volumeCTV;															    /// [l] 1000.0f is because density is in [kg/m3]
                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;
                tstRslt.DiverterEnd = switchTimeEnd;
                long infoFlags = 0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, false, true, switchTimeStart, switchTimeEnd, out infoFlags) : 0;
                tstRslt.InfoFlags = infoFlags;

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

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

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

                            if (meterRslt != null && regReader != null)
                            {
                                meterRslt.RegReaderType = (int)regReader.RegisterReaderType;
                                meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;
                                meterRslt.VolumeStart = regReader.BeginWMState;						    /// [l]
                                meterRslt.VolumeEnd = regReader.EndWMState;							    /// [l]
                                meterRslt.VolumeMeter = meterRslt.VolumeEnd - meterRslt.VolumeStart;	/// [l]
                                meterRslt.VolumeRef = tstRslt.VolumeCTV;								/// [l]
                                meterRslt.PulsesMeter = meterRslt.VolumeMeter;
                                meterRslt.PulsesMaster = tstRslt.PulsesMaster;
                                meterRslt.TestTime = tstRslt.TestTime;
                                meterRslt.Error = Config.Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);	/// Not used for evaluation
                            }
                        }

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

                        if (compoundMeterRslt != null && mainMeterRslt != null && auxMeterRslt != null)
                        {
                            compoundMeterRslt.VolumeRef = tstRslt.VolumeCTV;		/// [l] must be calculated before main & aux. meter error
                            compoundMeterRslt.VolumeMeter = mainMeterRslt.VolumeMeter + auxMeterRslt.VolumeMeter;
                            compoundMeterRslt.PulsesMaster = tstRslt.PulsesMaster;
                            compoundMeterRslt.TestTime = tstRslt.TestTime;
                            compoundMeterRslt.Error = Config.Formulas.ErrorFromVolumes(compoundMeterRslt.VolumeMeter, compoundMeterRslt.VolumeRef);
                            compoundMeterRslt.Passed = (compoundMeterRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty)
                                                    && (compoundMeterRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty)
                                                    && (tstRslt.ErrorFlags == 0);
                            mainMeterRslt.Passed = auxMeterRslt.Passed = compoundMeterRslt.Passed;
                            mainMeterRslt.TestDone = auxMeterRslt.TestDone = compoundMeterRslt.TestDone = true;
                            tstRslt.TestDone = true;
                        }
                    }
                }
                else
                {
                    ///
                    /// Single meters
                    ///
                    for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                    {
                        if (!test.IsPartCompatible(Utils.PartNr(i + 1, BatchRslts.Batch.Compound))) continue;

                        Results.Entities.MeterTestRslt meterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.Single);
                        GenericDevices.IRegisterReader regReader = sensPath.RegisterReaders[i];

                        if (meterRslt != null && regReader != null)
                        {
                            meterRslt.RegReaderType = (int)regReader.RegisterReaderType;
                            meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;
                            meterRslt.VolumeStart = regReader.BeginWMState;
                            meterRslt.VolumeEnd = regReader.EndWMState;
                            meterRslt.VolumeMeter = meterRslt.VolumeEnd - meterRslt.VolumeStart;
                            meterRslt.VolumeRef = tstRslt.VolumeCTV;      /// liter
                            meterRslt.PulsesMeter = meterRslt.VolumeMeter;
                            meterRslt.PulsesMaster = tstRslt.PulsesMaster;
                            meterRslt.TestTime = tstRslt.TestTime;
                            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);
                            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,
                                                                outPath.Scale != null ? outPath.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)
                        {
                            long wmInfoFlags;
                            BatchRslts.WaterMeters[i].ErrorFlags = ErrorFlagsComp.GetWMtrErrorFlags(BatchRslts.WaterMeters[i].MeterTestRslts, out wmInfoFlags);
                            BatchRslts.WaterMeters[i].InfoFlags = wmInfoFlags;
                        }
                    }
                }

                /// 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();

			///
			///  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)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.PreviousStopped));
            }

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