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

namespace TBF.BenchControl.TestMethods.FlyingStartCollectionMethod
{
	public class FlyingStartCollectionMethodSeq : Sequences.SequenceBase
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(FlyingStartCollectionMethodSeq));
        private static readonly ILog allResults = LogManager.GetLogger("AllResults");
        private static readonly ILog summaryResults = LogManager.GetLogger("SummaryResults");


		public IList<Event> Execute(Entities.Test test)
		{
			Elde.ControlBoardDev cBrd = StateMachine.ControlBoard;

			/// Operations running in more then one state
			checkUiOp = new Operations.CheckUIOp(true);

			IList<Event> e;                 /// Events from currently running operations

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


			/// 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)(7200.0f * test.Volume / outPath.FlowMeter.NominalFlow);    /// Nominal flow in [m3/h]

			float ltrPerRefPulse = outPath.FlowMeter.NominalFlow / 7200.0f;                    /// [ltr/pulse]

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

			//====================================
			// Transition or SetRoute - Start
			//====================================
			if (transitionStart != null)
			{
                switch (Transition(transitionStart, "FlyingStartCollectionMethod : " + Strings.Test_start_sequence_i_n))
				{
					case Event.Error: goto error;
					case Event.UiCmdStop: goto stopTest;
				}
			}
			else
			{
				//--------------------------------
				State.Create("FlyingStartCollectionMethod : Setting the route")
					.AddOperation(checkUiOp)
					.AddOperation(cBrd.SetValvesOp(GenericDevices.ValveBase.Merge(inPath.ValvesOpen, benchPath.ValvesOpen, outPath.ValvesOpen),
												   GenericDevices.ValveBase.Merge(inPath.ValvesClose, benchPath.ValvesClose, outPath.ValvesClose)))
					.EnterState();
				do
				{
					e = StateMachine.WaitRunDevsRunOps();
					if (e.Contains(Event.UiCmdStop)) goto stopTest;
				}
				while (!e.Contains(Event.ValvesSet));
			}

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


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

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

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

        set_flow:

            int flowSetTime0 = StateMachine.Time;
            float estFlowSetTime = 10.0f;

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            State.Create("FlyingStartCollectionMethod : Starting the pump")
                .AddOperation(checkUiOp)
				.AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOn() : null)
				.AddOperation(cBrd.SetValvesOp(inPath.Pump, null))
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();

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

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

            //--------------------------------
			State.Create("FlyingStartCollectionMethod : Setting the flow")
				.AddOperation(checkUiOp)
                .AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, refFlow, 600))    /// timeout = 10 min.
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();

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

				if (e.Contains(Event.UiCmdStop)) goto stopTest;
				if (e.Contains(Event.OpArgumentError))
				if (e.Contains(Event.RegulValveTimeOut)) goto error;
                if (e.Contains(Event.Next)) goto flow_set;
			}
			while (!e.Contains(Event.FlowReached));

        flow_set:
            int time = StateMachine.Time;
            float currentFlow = refFlow.Val;

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

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

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

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

			/// Measurement loop - preparation
            readRegisters1 = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders, ref WMPulses, ref WMRefPulses);
            readRegisters2 = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders, ref WMPulses, ref WMRefPulses);
			queryEnd1 = cBrd.QueryMeasurementEndOp();
			queryEnd2 = cBrd.QueryMeasurementEndOp();

            bool firstTime = true;
			ResetAveragedData();

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

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

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

				AccumulateAveragedData();

                tstRslt.AmbientTempAve = airTemperature.Val;
                tstRslt.AmbientPressAve = airPressure.Val;
                tstRslt.AmbientHumiAve = airHumidity.Val;


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


                float progress = Formulas.TestProgress(cBrd.EtPulses(0), totalPulses, estFlowSetTime, test.TstTime);
                Bridge.OnTestProgress(this, GetTestProgressData(test, tstRslt, cBrd, cBrd.TTime, progress));
			}
            /// Measurement loop - end

        measurement_completed:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
			State.Create("FlyingStartCollectionMethod : Measuring the end mass")
				.AddOperation(checkUiOp)
                .AddOperation(outPath.Balance.ReadStableMassOp(ref endMass, 5))
                .AddOperation(cBrd.UpdateTankWeightOp())
                .EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
				if (e.Contains(Event.UiCmdStop)) goto stopTest;
			}
			while (!e.Contains(Event.BalanceDone));
            ///
            tstRslt.MassEndRaw = endMass.Val;
            tstRslt.TimeEnd = DateTime.Now;

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_completed);
            //------------------------------------------------
            cBrd.SetFMFreq(0, 0);       /// Stop FM controlled pumps
            State.Create("FlyingStartCollectionMethod : Stopping the pump")
				.AddOperation(checkUiOp)
				.AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOff() : null)
				.AddOperation(cBrd.SetValvesOp(null, inPath.Pump))
                .AddOperation(cBrd.UpdateTankWeightOp())
                .EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.UiCmdStop)) goto stopTest;
			}
			while (!e.Contains(Event.ValvesSet));


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

			///
            /// Populate TestResult data entity with data
			/// 
            tstRslt.TimeEnd			= DateTime.Now;
			UpdateTestRsltWithAveragedData(tstRslt);
            tstRslt.MassStart		= Formulas.CorrectedValue(tstRslt.MassStartRaw, outPath.Balance.Corrections);
			tstRslt.MassEnd			= Formulas.CorrectedValue(tstRslt.MassEndRaw, outPath.Balance.Corrections);
            tstRslt.MassDiff		= tstRslt.MassEnd - tstRslt.MassStart;
            tstRslt.DensityIn		= Formulas.WaterDensityFromTemp(tstRslt.TempInAvrg);            /// [kg/m3]
            tstRslt.DensityOut      = Formulas.WaterDensityFromTemp(tstRslt.TempOutAvrg);           /// [kg/m3]
            tstRslt.DensityDiv      = Formulas.WaterDensityFromTemp(tstRslt.TempDivAvrg);           /// [kg/m3]
            tstRslt.Time			= cBrd.TTime;                                                   /// [s] measurement time
            tstRslt.FlowMass		= 3600.0f * tstRslt.MassDiff / tstRslt.Time;                    /// [kg/h]
            tstRslt.FlowVolume		= 3600.0f * ltrPerRefPulse * cBrd.EtPulses(0) / tstRslt.Time;   /// [l/h]
            tstRslt.VolumeCTV		= 1.00103f * 1000.0f * tstRslt.MassDiff / tstRslt.DensityOut;   /// [l] 1000.0f is because density is in [kg/m3]
            tstRslt.VolumeMaster	= ltrPerRefPulse * cBrd.EtPulses(0);		                    /// [l] volume from the master flow meter
            tstRslt.PulsesMaster	= cBrd.EtPulses(0);							                    /// Pulses of the master flow meter (test total)
            tstRslt.ConstMaster		= ltrPerRefPulse * tstRslt.VolumeCTV / tstRslt.VolumeMaster;
																				                    /// Corrected master pulses per liter
            if (tstRslt.VolumeCTV <= float.Epsilon)
            {
                tstRslt.ErrorMaster = 0.1f;
            }
            else
            {
                tstRslt.ErrorMaster = 100 * (tstRslt.VolumeMaster - tstRslt.VolumeCTV) / tstRslt.VolumeCTV;
            }
            tstRslt.TimeDivStart0	= 0;
            tstRslt.TimeDivStart1	= 0;
            tstRslt.TimeDivStart2	= 0;
            tstRslt.TimeDivStart3	= 0;
            tstRslt.TimeDivStart4	= 0;
            tstRslt.TimeDivStart5	= 0;
            tstRslt.TimeDivEnd0		= 0;
            tstRslt.TimeDivEnd1		= 0;
            tstRslt.TimeDivEnd2		= 0;
            tstRslt.TimeDivEnd3		= 0;
            tstRslt.TimeDivEnd4		= 0;
            tstRslt.TimeDivEnd5		= 0;
            for (int i = 0; i < Program.WMsCount; i++)
            {
                if (sensPath.RegisterReaders[i] != null)
                {
					tstRslt.Meters[i].SerialNr = "wm" + (i + 1).ToString();
					tstRslt.Meters[i].VolumeStart = 0;                                      /// liter
					tstRslt.Meters[i].VolumeEnd = 0;                                        /// liter
					if (sensPath.RegisterReaders[i].PulsesPerLtr <= float.Epsilon) tstRslt.Meters[i].VolumeMeter = 0;
					else tstRslt.Meters[i].VolumeMeter = Convert.ToSingle(WMPulses[i]) / sensPath.RegisterReaders[i].PulsesPerLtr;
					tstRslt.Meters[i].VolumeRef = tstRslt.ConstMaster * WMRefPulses[i];      /// liter
					tstRslt.Meters[i].PulsesMeter = WMPulses[i];
					tstRslt.Meters[i].PulsesMaster = WMRefPulses[i];
					tstRslt.Meters[i].Time = cBrd.TTime;
					if (WMPulses[i] > 0 && tstRslt.Meters[i].VolumeRef > 0)
					{
						tstRslt.Meters[i].VolumeErrorPct =
							100 * (tstRslt.Meters[i].VolumeMeter - tstRslt.Meters[i].VolumeRef) / tstRslt.Meters[i].VolumeRef;
						/// %
					}
					else
					{
						tstRslt.Meters[i].VolumeErrorPct = -100;
					}
					tstRslt.Meters[i].Passed = (tstRslt.ErrLimLo <= tstRslt.Meters[i].VolumeErrorPct) && (tstRslt.Meters[i].VolumeErrorPct <= tstRslt.ErrLimHi);
				}
			}
            /// Add data - end

			AddOrOverwriteResult(tstRslt);

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

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

            FluentCommon.SaveToDb(StateMachine.WtSession, tstRslt);

            if (++repetitionNr <= test.Repeats)
            {
                goto loop;
            }
            
            ///----------------------///
            ///  Quit this sequence  ///
            ///----------------------///

			/// Stop the pump
			State.Create("FlyingStartCollectionMethod : Test(s) completed -> Stopping the pump")
				.AddOperation(checkUiOp)
				.AddOperation(cBrd.SetValvesOp(null, inPath.Pump))
				.AddOperation((inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOff() : null)
				.EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
			}
			while (!e.Contains(Event.ValvesSet) || ((inPath.Pump is GenericDevices.IPumpFM) && !e.Contains(Event.TurnPumpOnOffDone)));
				
			/// Transition or SetRoute - End
			if (transitionStop != null)
			{
				switch (Transition(transitionStop, "FlyingStartCollectionMethod : " + Strings.Test_stop_sequence_i_n))
				{
					case Event.Error: goto error;
					case Event.UiCmdStop: goto stopTest;
				}
			}
			else
			{
				State.Create("FlyingStartCollectionMethod : Test(s) completed -> Closing the valves")
					.AddOperation(checkUiOp)
					.AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
					.EnterState();
				do {
					e = StateMachine.WaitRunDevsRunOps();
					if (e.Contains(Event.Error)) goto error;
				}
				while (!e.Contains(Event.ValvesSet));
			}

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

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

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

        //====================================
        error:
            cBrd.SetFMFreq(0, 0);       /// Stop FM controlled pumps
            State.Create("FlyingStartCollectionMethod : ERROR -> Closing the valves")
				.AddOperation(checkUiOp)
				.AddOperation((inPath != null && inPath.Pump is GenericDevices.IPumpFM) ? (inPath.Pump as GenericDevices.IPumpFM).TurnOff() : null)
				.AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
			}
			while (!e.Contains(Event.ValvesSet));

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