///
/// Copyright (c) 2013-2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using Config.Entities;
using TBF.BenchControl;
using TBF.Boxes;
using TBF.Resources;
using TBF.UiBridge;

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

		System.Windows.Forms.Form modelessDlg;
		/// 
		delegate void ErrorsFormDlgt(AdjustmentSeq myRef, IList<GenericDevices.IWaterMeter> waterMeters);
		/// 
		void OpenWMErrorsForm(AdjustmentSeq myRef, IList<GenericDevices.IWaterMeter> waterMeters)
		{
#pragma warning disable 162     /// Disables 'Unreachable code detected' warning

			if (Config.Data.WMsCount > 12)
			{
				myRef.modelessDlg = new WMErrorsForm24(waterMeters);
			}
			else if (Config.Data.WMsCount > 6)
			{
				myRef.modelessDlg = new WMErrorsForm12(waterMeters);
			}
			else
			{
				myRef.modelessDlg = new WMErrorsForm(waterMeters);
			}

#pragma warning restore 162     /// Disables 'Unreachable code detected' warning

			modelessDlg.Show();
		}

		/// <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(Test test, bool outerLoopMode, int outerLoopCounter, DebugMode mode)
		{
			float simulatedError = 4.5f;	/// %

			Elde.ControlBoardDev cBrd = StateMachine.ControlBoard;

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

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

            /// Notes:
            ///   float timeHr = volumeLtr / (1000.0f * targetFlow);
            ///   float timeSec = 3600.0f * timeHr;
            ///   int refPulses = (int)(timeSec * (2000.0f * targetFlow / pOut.FlowMeter.NominalFlow));
            int totalPulses = (int)(test.Volume / LtrPerRefPulse + 0.5f);

            processDataLoggingOp = new TBF.BenchControl.Operations.ProcessDataLoggingOp(processDataLogger, this, false);
            
            int repetitionNr = outerLoopMode ? outerLoopCounter : 1;                 /// First test: repetitionNr=1				

			//====================================
			// Transition or SetRoute - Start
			//====================================
			switch (Transition(transitionBefore, TransitionContext.BeforeTest))
			{
				case Event.Error:		{ retVal = Event.Error;		goto stopTest; }
				case Event.UiCmdStop:	{ retVal = Event.UiCmdStop; goto stopTest; }
			}

			/// Start the test, initialize test results
			Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, totalPulses));
			string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
			TestStartTime = DateTime.Now;
			TestProgressEventArgs.SetEstimatedTimes(new int[] { 1, 1, 1, 30, 0, Convert.ToInt32(test.TstTime) + 15, 0, 0 });
			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.JustStarted));

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

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Starting_the_pump);
            //------------------------------------------------
            if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);
            ///
            State.Create("Adjustment : Starting the pump")
                .AddOperation(checkUiOp)
                .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
//                .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.TimeBeforeFlow > 0)
            {
                State.Create("Adjustment : Waiting before flow setting process starts")
                    .AddOperation(checkUiOp)
                    .AddOperation(new Operations.TimerOp(test.TimeBeforeFlow))
                    .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                    .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));
            }


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            State.Create("Adjustment : Setting the flow")
				.AddOperation(checkUiOp)
				.AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, outPath.PidCoef, RefFlow, 600))    /// timeout = 10 min.
				.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.Timeout);
					retVal = Event.Done;
					goto stopTest;
				}
				if (e.Contains(Event.Next)) goto flow_set;
			}
			while (!e.Contains(Event.FlowReached));

		flow_set:
			int flowSetTime = StateMachine.Time - flowSetTime0;
			/// Show the modeless dialog with error indication
			Program.MainWnd.Invoke(new ErrorsFormDlgt(OpenWMErrorsForm), new object[] { this, WaterMeters });

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


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

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

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

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

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



			//------------------------------------------------
			Bridge.OnActivity(this, Strings.Test_in_progress);
			//------------------------------------------------
			if (mode == Config.Entities.DebugMode.Simulate)
			{
				/// TODO: Reimplement
				//tstRslt = MakeSimulated(test, 1, simulatedError);
				simulatedError *= 0.6f;

				State.Create("Adjustment : Simulating the test")
					.AddOperation(checkUiOp)
					.AddOperation(new Operations.TimerOp(5))
					.EnterState();
				do
				{
					e = StateMachine.WaitRunDevsRunOps();
					if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
					if (TestAndLogUiCmdStop(test,e)) { retVal = Event.UiCmdStop; goto stopTest; }
				}
				while (!e.Contains(Event.TimerExpired));
			}
			else
			{
				State.Create("Adjustment : Starting the test")
					.AddOperation(checkUiOp)
					.AddOperations(measureOperations)
					.AddOperation(cBrd.StartMeasurementOp(outPath, Elde.TestMethods.Synchro,
														  test.Qfrom, test.Qto, totalPulses, (float)test.TolerRed))
					.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));

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

				ClearAllStatistics();

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

					RefFreq.Val = cBrd.ReferenceFreq;
					RefFlow.Val = cBrd.ReferenceFlow;
					UpdateAllStatistics();

					Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
					Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
				}
			/// Measurement loop - end

			one_test_completed:

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

				TestEndTime = DateTime.Now;

				/// 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)
				{
					/// Auxiliary results
					tstRslt.AmbTempMean = (float)AmbTempStat.Average;
					tstRslt.AmbTempStart = (float)AmbTempStat.First;
					tstRslt.AmbTempEnd = (float)AmbTempStat.Last;
					tstRslt.AmbTempMin = (float)AmbTempStat.Min;
					tstRslt.AmbTempMax = (float)AmbTempStat.Max;
					tstRslt.AmbPressMean = (float)AmbPressStat.Average;
					tstRslt.AmbPressStart = (float)AmbPressStat.First;
					tstRslt.AmbPressEnd = (float)AmbPressStat.Last;
					tstRslt.AmbPressMin = (float)AmbPressStat.Min;
					tstRslt.AmbPressMax = (float)AmbPressStat.Max;
					tstRslt.AmbHumiMean = (float)AmbHumiStat.Average;
					tstRslt.AmbHumiStart = (float)AmbHumiStat.First;
					tstRslt.AmbHumiEnd = (float)AmbHumiStat.Last;
					tstRslt.AmbHumiMin = (float)AmbHumiStat.Min;
					tstRslt.AmbHumiMax = (float)AmbHumiStat.Max;
					tstRslt.PressUpMean = (float)PressUpStat.Average;
					tstRslt.PressUpStart = (float)PressUpStat.First;
					tstRslt.PressUpEnd = (float)PressUpStat.Last;
					tstRslt.PressUpMin = (float)PressUpStat.Min;
					tstRslt.PressUpMax = (float)PressUpStat.Max;
					tstRslt.PressDownMean = (float)PressDownStat.Average;
					tstRslt.PressDownStart = (float)PressDownStat.First;
					tstRslt.PressDownEnd = (float)PressDownStat.Last;
					tstRslt.PressDownMin = (float)PressDownStat.Min;
					tstRslt.PressDownMax = (float)PressDownStat.Max;
					tstRslt.PressDeltaMean = (float)PressDeltaStat.Average;
					tstRslt.PressDeltaStart = (float)PressDeltaStat.First;
					tstRslt.PressDeltaEnd = (float)PressDeltaStat.Last;
					tstRslt.PressDeltaMin = (float)PressDeltaStat.Min;
					tstRslt.PressDeltaMax = (float)PressDeltaStat.Max;
					tstRslt.TempUpMean = (float)TempUpStat.Average;
					tstRslt.TempUpStart = (float)TempUpStat.First;
					tstRslt.TempUpEnd = (float)TempUpStat.Last;
					tstRslt.TempUpMin = (float)TempUpStat.Min;
					tstRslt.TempUpMax = (float)TempUpStat.Max;
					tstRslt.TempDownMean = (float)TempDownStat.Average;
					tstRslt.TempDownStart = (float)TempDownStat.First;
					tstRslt.TempDownEnd = (float)TempDownStat.Last;
					tstRslt.TempDownMin = (float)TempDownStat.Min;
					tstRslt.TempDownMax = (float)TempDownStat.Max;
					tstRslt.TempDivMean = (float)TempDivStat.Average;
					tstRslt.TempDivStart = (float)TempDivStat.First;
					tstRslt.TempDivEnd = (float)TempDivStat.Last;
					tstRslt.TempDivMin = (float)TempDivStat.Min;
					tstRslt.TempDivMax = (float)TempDivStat.Max;
					tstRslt.DensityIn  = Formulas.WaterDensityFromTemp(tstRslt.TempUpMean);		/// [kg/m3]
					tstRslt.DensityOut = Formulas.WaterDensityFromTemp(tstRslt.TempDownMean);    /// [kg/m3]
					tstRslt.DensityDiv = Formulas.WaterDensityFromTemp(tstRslt.TempDivMean);    /// [kg/m3]

					/// Main results
					tstRslt.StartTime    = TestStartTime;
					tstRslt.EndTime      = TestEndTime;
					tstRslt.FlowSetTime  = flowSetTime;
					tstRslt.TestTime     = cBrd.TTime;							/// [s] measurement time
					tstRslt.PulsesMaster = Convert.ToDouble(cBrd.EtPulses(0));  /// Pulses of the master flow meter (test total)
					tstRslt.MassStart    = 0;
					tstRslt.MassEnd      = 0;
					tstRslt.FlowMass     = 0;                                                           /// [kg/h]
					tstRslt.FlowVolume   = 3.6 * LtrPerRefPulse * cBrd.EtPulses(0) / tstRslt.TestTime;	/// [m3/h]
					tstRslt.VolumeMaster = LtrPerRefPulse * tstRslt.PulsesMaster;                       /// [l] volume from the master flow meter
					tstRslt.ConstMaster  = outPath.FlowMeter.LtrPerPulseCorrected(tstRslt.FlowVolume);	/// Calculate master flowmeter coefficient
					tstRslt.VolumeCTV    = tstRslt.ConstMaster * tstRslt.PulsesMaster;					/// [l] 1000.0f is because density is in [kg/m3]
					tstRslt.ErrorMaster  = 0.0f;														/// Cannot be determined without the collected water mass measurement

					tstRslt.FlowMin = (float)((tstRslt.VolumeMaster != 0) ? (RefFlowStat.Min * tstRslt.VolumeCTV / tstRslt.VolumeMaster) : RefFlowStat.Min);
					tstRslt.FlowMax = (float)((tstRslt.VolumeMaster != 0) ? (RefFlowStat.Max * tstRslt.VolumeCTV / tstRslt.VolumeMaster) : RefFlowStat.Max);

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

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

						if (meterRslt != null && regReader != null)
						{
							meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;
							meterRslt.PulsesMeter    = Convert.ToDouble(regReader.WMPulses);
							meterRslt.PulsesMaster   = Convert.ToDouble(regReader.WMRefPulses);
							meterRslt.VolumeStart    = 0;												/// liter
							meterRslt.VolumeEnd      = 0;												/// liter
							meterRslt.VolumeMeter    = meterRslt.PulsesMeter * regReader.LtrsPerPulse;	/// liter
							meterRslt.VolumeRef      = meterRslt.PulsesMaster * tstRslt.ConstMaster;	/// liter
							meterRslt.TestTime       = tstRslt.TestTime;
							meterRslt.Error          = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);
							meterRslt.Passed         = (meterRslt.Error >= test.ErrLimLo + test.Uncertainty)
											        && (meterRslt.Error <= test.ErrLimHi - test.Uncertainty);
							meterRslt.TestDone       = meterRslt.Passed;
						}
					}

					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 results
					Bridge.OnTestCompleted(this, new TestCompletedEventArgs(testName, tstRslt));
				}
				/// Add data - end
			}


			/// Update modeless dialog error information
			Bridge.OnAdjustmentInProgress(this, new AdjustmentInProgressEventArgs(testName));

			/// Test 'Quit'
			if ((modelessDlg is GenericDevices.IHasCompleted) && !(modelessDlg as GenericDevices.IHasCompleted).Completed)
			{
				goto loop;			/// Modeless dilaog not closed, keep looping
			}
			modelessDlg = null;		/// Modeless dialog is closed now

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

		stopTest:

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

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

			/// Transition sequence at the end of test
			/// Prevent overwriting 'retVal' in case it was set to non-default value earlier
			switch (Transition(transitionAfter, (retVal == Event.Done) ? TransitionContext.AfterTest : TransitionContext.Stop))
			{
				case Event.Error:	  { if (retVal == Event.Done) retVal = Event.Error;		break; }
				case Event.UiCmdStop: { if (retVal == Event.Done) retVal = Event.UiCmdStop; break; }
			}

            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr,
                    (retVal == Event.Done) ? Config.Entities.Progress.Completed : Config.Entities.Progress.Aborted));

			/// Create a list with one item 'retVal' (default is Event.Done) and return it
			IList<Event> retList = new List<Event>(1);
			retList.Add(retVal);
			return retList;
		}
    }
}