///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using log4net;
using Config.Entities;
using TBF.UiBridge;
using TBF.BenchControl;
using TBF.BenchControl.Operations;
using TBF.BenchControl.GenericDevices;
using TBF.Boxes;
using TBF.Resources;

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

        public override string ToString() { return "Sequences.MainSeq"; }



		System.Windows.Forms.Form modelessDlg;
		/// 
		delegate void iPerlCommFormDlgt(MainSeq myRef, Generic.IComponentCfg cfg, IList<string> testNames, IList<Generic.ITestParams> multiTestParams);
		/// 
		void OpenIPerlCommForm(MainSeq myRef, Generic.IComponentCfg cfg, IList<string> testNames, IList<Generic.ITestParams> multiTestParams)
		{
			try
			{
				/// 1st argument
				IList<GenericDevices.IWaterMeter> wMtrs = new List<GenericDevices.IWaterMeter>();
				foreach (var rr in sensPath.RegisterReaders)
				{
					if (rr is GenericDevices.IWaterMeter) wMtrs.Add(rr as GenericDevices.IWaterMeter);
				}

				/// 2nd argument
				TestMethods.iPerlCommunication.TestMethodCfg iPerlCfg = cfg as TestMethods.iPerlCommunication.TestMethodCfg;

				/// 3rd argument: as is

				/// 4th argument
				IList<TestMethods.iPerlCommunication.iPerlCommunicationParams> iPerlCommParams = new List<TestMethods.iPerlCommunication.iPerlCommunicationParams>();
				foreach (var tp in multiTestParams) iPerlCommParams.Add(tp as TestMethods.iPerlCommunication.iPerlCommunicationParams);

				myRef.modelessDlg = new TestMethods.iPerlCommunication.iPerlCommunicationForm(wMtrs, iPerlCfg, testNames, iPerlCommParams);
				myRef.modelessDlg.Show();
			}
			catch (Exception e)
			{
				log.FatalFormat("---------------( MainSeq : OpenIperlCommForm crashed !!! )---------------");
				log.FatalFormat("Message      : {0}", e.Message);
				if (e.InnerException != null)
				{
					log.FatalFormat("InnerMessage : {0}", e.InnerException.Message);
				}
				log.FatalFormat("StackTrace   : {0}{1}", Environment.NewLine, e.StackTrace);
				log.Fatal("--------------------------------------");
			}
		}

		void CloseIPerlCommForm()
		{
			UiBridge.Bridge.OnCloseModelessForm(this, null);
			modelessDlg = null;
		}



        /// <summary> Constructor </summary>
        public MainSeq()
        {
        }


        /// <summary>
        /// Main sequence
        /// </summary>
        /// <param name="dummyArg"></param>
        /// <returns></returns>
		public IList<Event> Execute(Test dummyArg)
        {
			/// Operations running in more then one state
            checkUiOp = new CheckUIOp(true);

            IList<Event> e;
            Selection selection;
			bool benchFilled = false;

			int simultWithPurgingCount = 0;
			Generic.IComponentCfg simultWithPurgingCfg = null;
			IList<Generic.ITestParams> simultWithPurgingParams = new List<Generic.ITestParams>();

			int simultWithEvacuationCount = 0;
			Generic.IComponentCfg simultWithEvacuationCfg = null;
			IList<Generic.ITestParams> simultWithEvacuationParams = new List<Generic.ITestParams>();

			StateMachine.LoadProcedure(true);		// TODO: Implement as an operation so that the worker thread is not blocked

            Bridge.Bench2UI(ButtonsEtc.StopBtnEn);

            //--------------------------------------------------------------------------------------------
            Bridge.OnActivity(this, Strings.Starting_system);
            State.Create("MainSeq : Setting valves to default positions")
                 .AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
				 .EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
            }
			while (e.Contains(Event.ValvesBusy));

            //--------------------------------------------------------------------------------------------
            IntBox remainingTime = new IntBox();
            State startNew = State.Create("MainSeq : Emptying tanks, Starting cameras")
								  .AddOperation(checkUiOp);
			foreach (var cmpnt in StateMachine.Components)
			{
				Cameras.IdcCamera.IdcCamera camera = cmpnt as Cameras.IdcCamera.IdcCamera;
				if ((camera != null) && (camera.Cfg.DebugLevel != DebugMode.DetectedOff))
				{
					startNew.AddOperation(camera.StartNewOp());
				}
			}

            IList<IValve> allEmptyingValves = new List<IValve>();
            if (StateMachine.EmptyTankValve1 != null) allEmptyingValves.Add(StateMachine.EmptyTankValve1);
            if (StateMachine.EmptyTankValve2 != null) allEmptyingValves.Add(StateMachine.EmptyTankValve2);
            if (StateMachine.EmptyTankValve3 != null) allEmptyingValves.Add(StateMachine.EmptyTankValve3);

            // Determine the tank emptying time (the maximum for all balances)
            int balanceEmptyTime = 0;
            if (StateMachine.Balance1 != null && StateMachine.Balance1.EmptyTimeSec > balanceEmptyTime)
            {
                balanceEmptyTime = StateMachine.Balance1.EmptyTimeSec;
            }
            if (StateMachine.Balance2 != null && StateMachine.Balance2.EmptyTimeSec > balanceEmptyTime)
            {
                balanceEmptyTime = StateMachine.Balance2.EmptyTimeSec;
            }
            if (StateMachine.Balance3 != null && StateMachine.Balance3.EmptyTimeSec > balanceEmptyTime)
            {
                balanceEmptyTime = StateMachine.Balance3.EmptyTimeSec;
            }
            if (balanceEmptyTime > 0)
            {
                startNew.AddOperation(new TimerOp(balanceEmptyTime, remainingTime))
                        .AddOperation(StateMachine.ControlBoard.SetValvesOp(allEmptyingValves, null));
            }

            startNew.EnterState();
			do
			{
                Bridge.OnActivity(this, string.Format("{0} ... {1} {2} {3} {4}", Strings.Emptying_tank, remainingTime.Val / 60, "min", remainingTime.Val % 60, Strings.sec));

                e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop) &&
                    !e.Contains(Event.ValvesBusy) &&
                    !e.Contains(Event.CameraBusy))
                {
                    goto stop_emptying;
                }
            }
            while (e.Contains(Event.TimerBusy)  ||
                   e.Contains(Event.CameraBusy) ||
                   e.Contains(Event.ValvesBusy));

			if (e.Contains(Event.CameraOpFailed)) goto error;        /// TODO: resolve in some other way

            Bridge.OnActivity(this, Strings.Emptying_tank);

        stop_emptying:
            //--------------------------------------------------------------------------------------------
            State stopEmptying = State.Create("MainSeq : Stop emptying of water tanks")
                                      .AddOperation(checkUiOp)
                                      .AddOperation(StateMachine.ControlBoard.SetValvesOp(null, allEmptyingValves))
                                      .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto stop;
            }
            while (e.Contains(Event.ValvesBusy));

            //--------------------------------------------------------------------------------------------
            State taraAll = State.Create("MainSeq : Reset all balances").AddOperation(checkUiOp);
            FloatBox tara = new FloatBox(0);
            if (StateMachine.Balance1 != null) taraAll.AddOperation(StateMachine.Balance1.TaringOp(ref tara));
            if (StateMachine.Balance2 != null) taraAll.AddOperation(StateMachine.Balance2.TaringOp(ref tara));
            if (StateMachine.Balance3 != null) taraAll.AddOperation(StateMachine.Balance3.TaringOp(ref tara));
            taraAll.EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto stop;
            }
            while (e.Contains(Event.Busy));

            //--------------------------------------------------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            State.Create("MainSeq : Mesuring the weight for the 1st time")
                 .AddOperation(checkUiOp)
				 .AddOperation(new MettlerToledo.ReadMassesOp())
                 .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto stop;
            }
            while (!e.Contains(Event.BalanceDone));

            //--------------------------------------------------------------------------------------------
		select_procedure:

			/// Make sure the CycleBeginForm is closed (aftrer an abnormal procedure/test end, etc.)
			CloseBeginForm();

            selection = MakeSelection(MKSelContext.ProcedureNotSelected);

            //--------------------------------
			Bridge.Bench2UI(ButtonsEtc.StopBtnEn);
			StateMachine.LoadProcedure(false);
            if (StateMachine.Procedure == null) goto select_procedure;

			///
			/// Procedure selected at this point, a new batch was started
			///

			/// Prepare new water meters
			bool compound = (StateMachine.Procedure.MetersKind == MetersKind.Combined);
			int nrWMs = Math.Min(WaterMeters.Count, compound ? Config.Data.CompoundWMsCount : Config.Data.WMsCount);
			///
			Results.Entities.WaterMeterData[] waterMeterData = new Results.Entities.WaterMeterData[nrWMs];
			///
			int[] waterMeterParts = new int[nrWMs];
			for (int i = 0; i < nrWMs; i++)
			{
				waterMeterParts[i] = Utils.PartNr(i + 1, compound);
				waterMeterData[i] = new Results.Entities.WaterMeterData()
					{
						ProductName = StateMachine.Procedure.Name,
						Producer = WaterMeters[i].Producer,
						MetrologicalClass = WaterMeters[i].MetrologicalClass,
						ApprovalInfo = WaterMeters[i].ApprovalInfo,
						Qn = WaterMeters[i].Qn,
						Compound = compound,
					};
			}

			/// Prepare empty results
			BatchRslts = Results.BatchResults.NewFromProcedure(Program.LocalSettings.BatchNr, BenchInfo.TestBenchId,
															   User.CurrentUser.Name, Program.Version,
															   StateMachine.Procedure, waterMeterData, waterMeterParts);

			StateMachine.CycleStartTimeStamp = BatchRslts.Batch.StartTime;
			foreach (var wm in WaterMeters) wm.ClearData();				/// Clean water meter data

			StateMachine.LoadProcedureParams(StateMachine.Procedure);
			Bridge.OnProcedureSelected(this, new ProcedureSelectedEventArgs(StateMachine.Procedure));

			/// Display 'Cycle Begin Form'
			if (OpenCycleBeginForm()) goto stop;

			/// Find purge suquences
            TransitionSequence purgeBegin = null;
            TransitionSequence purgeEnd = null;
            foreach (var transition in StateMachine.TransitionSequences)
			{
				if (transition.Name == StateMachine.Procedure.TransitionStart) purgeBegin = transition;
				if (transition.Name == StateMachine.Procedure.TransitionEnd) purgeEnd = transition;
			}


			if (selection == Selection.Q1 || selection == Selection.Q2 ||
				selection == Selection.Q3 || selection == Selection.Test)
			{
				goto assume_bench_filled;
			}
			else if (selection == Selection.Cycle && benchFilled)
			{
				//--------------------------------
				State.Create("MainSeq : Answer a question")
					.AddOperation(new Operations.AskYesNoOp(Strings.Fill_with_water))
					.AddOperation(checkUiOp)
					.EnterState();
				do
				{
					e = StateMachine.WaitRunDevsRunOps();
					if (e.Contains(Event.No)) goto assume_bench_filled;
                    if (e.Contains(Event.UiCmdStop)) goto select_procedure;
				}
				while (!e.Contains(Event.Yes));
			}

		fill_the_bench:

			///
			/// Collect steps (e.g. iPerl communication) to be done simultaneously with purging
			/// 
			simultWithPurgingCount = 0;
			simultWithPurgingCfg = null;
			simultWithPurgingParams.Clear();
			///
			foreach (var test in StateMachine.Tests)
			{
				Generic.IComponent testMethodComp = TbfComponents.FindComponent(test.Method);
                if (testMethodComp == null) break;

				testMethodComp.Cfg.UpdateTestParams(test);

                ISimultTestMethod simultTest = testMethodComp as ISimultTestMethod;

                if (simultTest == null || !simultTest.SimultWithPrevious) break;

                if (simultWithPurgingCount == 0)
                {
                    simultWithPurgingCfg = simultTest.Cfg;
                    sensPath = StateMachine.GetMetersPath(test);
                }
                else if (simultTest.Cfg != simultWithPurgingCfg)
                {
                    break;
                }

				simultWithPurgingParams.Add(testMethodComp.Cfg.GetTestParams().Clone() as Generic.ITestParams);
				simultWithPurgingCount++;
			}
			
			///
			/// Collect steps (e.g. iPerl communication) to be done simultaneously with evacuation
			/// 
			simultWithEvacuationCount = 0;
			simultWithEvacuationCfg = null;
			simultWithEvacuationParams.Clear();
			///
			for (int i = StateMachine.Tests.Count - 1; i >= simultWithPurgingCount; i--)
			{
				var test = StateMachine.Tests[i];

				Generic.IComponent testMethodComp = TbfComponents.FindComponent(test.Method);
				if (testMethodComp == null) break;

				testMethodComp.Cfg.UpdateTestParams(test);

				ISimultTestMethod simultTest = testMethodComp as ISimultTestMethod;

				if (simultTest == null || !simultTest.SimultWithNext) break;

				if (simultWithEvacuationCount == 0)
				{
					simultWithEvacuationCfg = simultTest.Cfg;
					sensPath = StateMachine.GetMetersPath(test);
				}
				else if (simultTest.Cfg != simultWithEvacuationCfg)
				{
					break;
				}

				simultWithEvacuationParams.Insert(0, testMethodComp.Cfg.GetTestParams().Clone() as Generic.ITestParams);
				simultWithEvacuationCount++;
			}

			///
			if (simultWithPurgingCount > 0)
			{
				/// Make sure the entry form is closed
				if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stop;

				/// Open iPerlCommunicationForm
				Program.MainWnd.Invoke(new iPerlCommFormDlgt(OpenIPerlCommForm), new object[] { this, simultWithPurgingCfg, simultWithPurgingParams });
			}

			///
			/// Purging @ cycle start
			///
            Event evt = Transition(purgeBegin, TransitionContext.PurgeBegin);
            ///
            switch (evt)
			{
				case Event.Error:
		            if (simultWithPurgingCount > 0) CloseIPerlCommForm();
					goto error;
				case Event.UiCmdStop:
		            if (simultWithPurgingCount > 0) CloseIPerlCommForm();
					goto stop;
				default:
					break;
			}

            if (simultWithPurgingCount > 0)
            {
                ///
                /// Wait until iPerl communications are completed
                ///
                bool completed = !(modelessDlg is GenericDevices.IHasCompleted)
                              || (modelessDlg as GenericDevices.IHasCompleted).Completed;
                if (!completed)
                {
                    State.Create("MainSeq : Wait until the entry form is closed")
                        .AddOperation(checkUiOp)
                        .EnterState();
                    do
                    {
                        e = StateMachine.WaitRunDevsRunOps();
                        if (e.Contains(Event.UiCmdStop))
                        {
                            CloseIPerlCommForm();
                            goto stop;
                        }

                        completed = (modelessDlg as GenericDevices.IHasCompleted).Completed;
                    }
                    while (!completed);
                }

                modelessDlg = null;
            }


		assume_bench_filled:

			benchFilled = true;
			Bridge.Bench2UI(ButtonsEtc.ShowBenchFilled);

            if (selection != Selection.PurgeBegin)
            {
                goto cycle_or_test_selected;
            }

        select_cycle_or_test:

            //----------------------------------------------------------
            selection = MakeSelection(MKSelContext.InsideProcedure);
            ///
            if (selection == Selection.PurgeBegin)  goto fill_the_bench;
            if (selection == Selection.PurgeEnd)    goto evacuation;
			if (selection == Selection.Break)
			{
				Bridge.Bench2UI(ButtonsEtc.ShowBenchEmpty);
				goto select_procedure;
			}
			if (selection == Selection.SaveResults) goto save_results;

        cycle_or_test_selected:

			UiBridge.Bridge.OnError(this, string.Empty);			/// Clear an error message (if any)

			if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stop_within_cycle;      /// Make sure the entry form is closed

            Bridge.Bench2UI(ButtonsEtc.StopBtnEn);		/// Hide buttons

            if (selection == Selection.Cycle)
            {
				TimeEstimateTotal = 0;
				for (int i = simultWithPurgingCount; i < StateMachine.Tests.Count - simultWithEvacuationCount; i++)
				{
					Test test = StateMachine.Tests[i];

					TimeEstimateTotal += (test.Repeats * (test.TstTime + 10.0f));

                    /// Try to fetch all test paths and transitions
                    /// to detect configuration errors as early as possible.
                    string errorMsg;
                    if (!StateMachine.GetPaths(test, out inPath, out benchPath,
                                                     out outPath, out sensPath,
                                                     out transitionBefore, out transitionAfter,
                                                     out errorMsg))
                    {
						UiBridge.Bridge.OnError(this, errorMsg);
						goto select_cycle_or_test;
                    }
                }

				TimeEstimateBeginRpts = 0;
				for (int i = simultWithPurgingCount; i < StateMachine.Tests.Count - simultWithEvacuationCount; i++)
				{
					Test test = StateMachine.Tests[i];

					/// Fetch the test paths and transitions
					string errorMsg;
					if (!StateMachine.GetPaths(test, out inPath, out benchPath,
													 out outPath, out sensPath,
													 out transitionBefore, out transitionAfter,
													 out errorMsg))
					{
						UiBridge.Bridge.OnError(this, errorMsg);
						goto select_cycle_or_test;
					}

					/// Update format for the water mass
					Mass.Format = outPath.Balance.Format;
					startMass.Format = outPath.Balance.Format;
					endMass.Format = outPath.Balance.Format;

					TimeEstimateOneTest = test.TstTime + 10.0f;
					//--------------------------------------------------------------
					ITestMethod testMethodSequence = TbfComponents.FindComponent(test.Method) as ITestMethod;
					if (testMethodSequence != null && testMethodSequence.CanTest(StateMachine.Procedure.MetersKind))
					{
						StateMachine.LoadTestParams(test);

						if (BenchInfo != null && sensPath.RegisterReaders != null)
						{
							foreach (var rr in sensPath.RegisterReaders)
								if (rr is WaterMeters.iPerl.WaterMeter)
									(rr as WaterMeters.iPerl.WaterMeter).BenchName = BenchInfo.TestBenchName;
						}

						e = testMethodSequence.Execute(test);

						if (e.Contains(Event.ConfigurationError)) goto select_cycle_or_test;
						if (e.Contains(Event.Error)) goto error;
						if (e.Contains(Event.OpArgumentError)) goto config_error;
						if (e.Contains(Event.UiCmdStop)) goto stop_within_cycle;
					}
					else
					{
						UiBridge.Bridge.OnError(this, string.Format("{0} cannot be used", test.Method));
						goto select_cycle_or_test;
					}

					TimeEstimateBeginRpts += (test.Repeats * TimeEstimateOneTest);
				}
            }
            else
            {
				Test test = TBF.BenchControl.StateMachine.GetTest(selection);
                if (test == null)
                {
                    UiBridge.Bridge.OnError(this, string.Format("No test specified"));
                    goto select_cycle_or_test;
                }

                /// Fetch the test paths and transitions
                string errorMsg;
                if (!StateMachine.GetPaths(test, out inPath,  out benchPath,
                                                 out outPath, out sensPath,
                                                 out transitionBefore, out transitionAfter,
                                                 out errorMsg))
                {
                    UiBridge.Bridge.OnError(this, errorMsg);
					goto select_cycle_or_test;
				}

				/// Update format for the water mass
				Mass.Format = outPath.Balance.Format;
				startMass.Format = outPath.Balance.Format;
				endMass.Format = outPath.Balance.Format;

				TimeEstimateTotal = test.Repeats * (test.TstTime + 10.0f);
				TimeEstimateOneTest = test.TstTime + 10.0f;
				TimeEstimateBeginRpts = 0;

				ITestMethod testMethodSequence = TbfComponents.FindComponent(test.Method) as ITestMethod;
				if (testMethodSequence != null && testMethodSequence.CanTest(StateMachine.Procedure.MetersKind))
				{
					StateMachine.LoadTestParams(test);

                    if (BenchInfo != null && sensPath.RegisterReaders != null)
                    {
                        foreach (var rr in sensPath.RegisterReaders)
                            if (rr is WaterMeters.iPerl.WaterMeter)
                                (rr as WaterMeters.iPerl.WaterMeter).BenchName = BenchInfo.TestBenchName;
                    }

                    e = testMethodSequence.Execute(test);

					if (e.Contains(Event.Error)) goto error;
					if (e.Contains(Event.OpArgumentError)) goto config_error;
					if (e.Contains(Event.UiCmdStop)) goto stop_within_cycle;
				}
				else
				{
					UiBridge.Bridge.OnError(this, string.Format("{0} cannot be used", test.Method));
					goto select_cycle_or_test;
				}
            }

			if (BatchRslts.AllTestsDone())
			{
				Bridge.Bench2UI(ButtonsEtc.AcceptResultsBtnEn | ButtonsEtc.ResetResultsBtnEn);
			}
			else
			{
				Bridge.Bench2UI(ButtonsEtc.ResetResultsBtnEn);
			}

            goto select_cycle_or_test;

        evacuation:
		save_results:

			UiBridge.Bridge.OnError(this, string.Empty);	/// Clear an error message (if any)
			Bridge.Bench2UI(ButtonsEtc.StopBtnEn);			/// Hide the most of buttons

            if (State.LastEvents.Contains(Event.ModelessFormIsOpen))
            {
				if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stop;
            }
			else if (State.LastEvents.Contains(Event.ModelessFormClosed))
			{
				CloseBeginForm();
			}

            Bridge.OnActivity(this, "Enter protocol data");

            //--------------------------------
			string protocolTitle = string.Empty;
			GenericDevices.IDataEntry dataEntryCmpnt = TbfComponents.FindComponent(StateMachine.Procedure.DataEntry) as GenericDevices.IDataEntry;
			if (dataEntryCmpnt != null)
			{
                if (dataEntryCmpnt is IHasCycleEndForm)
                {
                    /// Open the modeless form for the end of the cycle
                    State.Create("MainSeq : Enter end data")
                        .AddOperation((dataEntryCmpnt as GenericDevices.IHasCycleEndForm).ShowCycleEndFormOp(WaterMeters))
                        .AddOperation(checkUiOp)
                        .EnterState();
                    do
                    {
                        e = StateMachine.WaitRunDevsRunOps();
                        if (e.Contains(Event.UiCmdStop)) goto stop;
                    }
                    while (!e.Contains(Event.ModelessFormClosed));
                }

				if (dataEntryCmpnt is IHasProtocolTitle)
				{
					protocolTitle = (dataEntryCmpnt as IHasProtocolTitle).ProtocolTitle;
				}

                dataEntryCmpnt.UpdateTestResults(WaterMeters, results);
			}
			
			//------------------------------------------------------
			Bridge.OnActivity(this, "Saving and printing results");
			IResultsWriter writer = TbfComponents.FindComponent(StateMachine.Procedure.ResultsWriter) as IResultsWriter;
			IResultsPrinter printer = TbfComponents.FindComponent(StateMachine.Procedure.ResultsPrinter) as IResultsPrinter;
			State savingAndPrintingRslts = State.Create("MainSeq : Saving and printing results");
			if (writer != null)
			{
				savingAndPrintingRslts.AddOperation(writer.WriteResultsOp((BenchInfo != null) ? BenchInfo.TestBenchName : string.Empty,
																		  StateMachine.Procedure, WaterMeters, results));
			}
			if (printer != null && !printer.SupressPrinting)
			{
				savingAndPrintingRslts.AddOperation(printer.PrintResultsOp(BenchInfo, WaterMeters, StateMachine.Procedure, results, protocolTitle));
			}
			savingAndPrintingRslts.AddOperation(checkUiOp).EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
				if (e.Contains(Event.UiCmdStop)) goto stop;
			}
			while (e.Contains(Event.Busy));

			/// TODO: Reimplement !!!!!!!!!!!
			/////
			///// Save to database and to 'summary results' logger
			/////
			//IList<TestResult> sortedResults = Utils.GetSortedTestResults(StateMachine.Procedure, results, 0);
			//foreach (var rslt in sortedResults)
			//{
			//    if (rslt != null)
			//    {
			//        Config.FluentCommon.SaveToDb(StateMachine.WtSession, rslt);
			//        summaryResults.Info(TestResult2CsvLine(rslt));
			//    }
			//}


			Program.LocalSettings.BatchNr++;
			Program.LocalSettings.Save();


			if (simultWithEvacuationCount > 0)
			{
				/// Open iPerlCommunicationForm
				Program.MainWnd.Invoke(new iPerlCommFormDlgt(OpenIPerlCommForm), new object[] { this, simultWithEvacuationCfg, simultWithEvacuationParams });
			}

			//--------------------------------------------------------
			switch (Transition(purgeEnd, TransitionContext.PurgeEnd))
			{
				case Event.Error:
		            if (simultWithEvacuationCount > 0) CloseIPerlCommForm();
					goto error;
				case Event.UiCmdStop:
		            if (simultWithEvacuationCount > 0) CloseIPerlCommForm();
					goto stop;
				default:
					break;
			}

            if (simultWithEvacuationCount > 0)
            {
                ///
                /// Wait until iPerl communications are completed
                ///
                bool completed = !(modelessDlg is GenericDevices.IHasCompleted)
                              || (modelessDlg as GenericDevices.IHasCompleted).Completed;
                if (!completed)
                {
                    State.Create("MainSeq : Wait until the entry form is closed")
                        .AddOperation(checkUiOp)
                        .EnterState();
                    do
                    {
                        e = StateMachine.WaitRunDevsRunOps();
                        if (e.Contains(Event.UiCmdStop))
                        {
                            CloseIPerlCommForm();
                            goto stop;
                        }

                        completed = (modelessDlg as GenericDevices.IHasCompleted).Completed;
                    }
                    while (!completed);
                }

                modelessDlg = null;
            }

			benchFilled = false;
			Bridge.Bench2UI(ButtonsEtc.ShowBenchEmpty);


            goto select_procedure;

		stop_within_cycle:
			//--------------------------------
			State.Create("MainSeq : Turning IDLE -> Closing the valves")
				.AddOperation(checkUiOp)
				.AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.DefaultValvesOpen,
																	StateMachine.DefaultValvesClose))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
				if (e.Contains(Event.Error)) goto error;
			}
			while (!e.Contains(Event.ValvesSet));

			goto select_cycle_or_test;

        stop:
            //--------------------------------
			State.Create("MainSeq : Turning IDLE -> Closing the valves")
                .AddOperation(checkUiOp)
                .AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.DefaultValvesOpen,
                                                                    StateMachine.DefaultValvesClose))
				.EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
            }
            while (!e.Contains(Event.ValvesSet));

            goto select_procedure;

        config_error:
            //--------------------------------
			State.Create("MainSeq : Procedure configuration error")
                .AddOperation(checkUiOp)
                .AddOperation(new Operations.MessageBoxOp("Test configration error"))
				.EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
            }
            while (!e.Contains(Event.OK));

            goto select_cycle_or_test;

		error:
			//--------------------------------
			State.Create("MainSeq : ERROR -> Closing the valves")
				.AddOperation(checkUiOp)
                .AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.DefaultValvesOpen,
                                                                    StateMachine.DefaultValvesClose))
				.EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();
			}
			while (!e.Contains(Event.ValvesSet) && !e.Contains(Event.Error));

            //--------------------------------
            State.Create("MainSeq : ERROR state")
                 .EnterState();
            while (true) StateMachine.WaitRunDevsRunOps();
        }


        /// <summary>
        /// MakeSelection() call context
        /// </summary>
        enum MKSelContext
        {
            ProcedureNotSelected,
            InsideProcedure,
        }

        /// <summary>
        /// Selection done in MakeSelection()
        /// </summary>
        public enum Selection
        {
            /// Handled inside MakeSelection()
            None,
            EmptyTank1,
            EmptyTank2,
            EmptyTank3,
            CloseTank1,
            CloseTank2,
            CloseTank3,
            CameraTest,

            /// Used as return values
            Cycle,
            Test,
            Q1,
            Q2,
            Q3,
            Stop,
            PurgeBegin,
            PurgeEnd,
			Break,
            SaveResults,
        }

        /// <summary>
        /// Idle loop to make a procedure or test selection.
        /// Handles tank emptying, camera test.
        /// </summary>
        /// <param name="context">Context where MakeSelection() is called</param>
        /// <returns>
        ///     Selection.Cycle
        ///     Selection.Test
        ///     Selection.Q1
        ///     Selection.Q2
        ///     Selection.Q3
        ///     Selection.Stop
        ///     Selection.PurgeBegin
        ///     Selection.PurgeEnd
        /// </returns>
        private Selection MakeSelection(MKSelContext context)
        {
            /// Tank emptying valves states
            bool emptying1 = false;
            bool emptying2 = false;
            bool emptying3 = false;

            /// Measured masses to control emptying
            FloatBox mass1 = new FloatBox();
            FloatBox mass2 = new FloatBox();
            FloatBox mass3 = new FloatBox();

            IList<Event> e;
            Selection selection;

            while (true)
            {
                /// Display an appropriate activity message
                if (emptying1 || emptying2 || emptying3)
                {
                    Bridge.OnActivity(this, Strings.Emptying_tank);
                }
                else if (context == MKSelContext.ProcedureNotSelected)
                {
                    Bridge.OnActivity(this, Strings.Please_select_a_procedure);
                }
                else if (context == MKSelContext.InsideProcedure)
                {
                    Bridge.OnActivity(this, Strings.Please_select_a_cycle_a_test_or_empty);
                }

                /// Enable appropriate UI controls and buttons
                Bridge.Bench2UI(((context == MKSelContext.ProcedureNotSelected) ? ButtonsEtc.ProcedureCmbBoxEn : 0) |
                                ButtonsEtc.TestCmbBoxEn |
                                ButtonsEtc.StopBtnEn |
                                ((emptying1 || emptying2 || emptying3) ? 0 :
                                   (ButtonsEtc.StartCycleBtnEn |
                                    ButtonsEtc.StartTestBtnsEn |
                                    ButtonsEtc.PurgeBeginBtnEn |
                                    ((context == MKSelContext.InsideProcedure) ? ButtonsEtc.PurgeEndBtnEn : 0) |
                                    ButtonsEtc.SensitivityTestBtnEn |
                                    ((Cameras.Count > 0) ? ButtonsEtc.CalibrationBtnEn : 0) |
                                    ButtonsEtc.Break)) |
                                (((StateMachine.Balance1 != null) && (StateMachine.EmptyTankValve1 != null) && !emptying1) ? ButtonsEtc.EmptyTankBtn1En : 0) |
                                (((StateMachine.Balance2 != null) && (StateMachine.EmptyTankValve2 != null) && !emptying2) ? ButtonsEtc.EmptyTankBtn2En : 0) |
                                (((StateMachine.Balance3 != null) && (StateMachine.EmptyTankValve3 != null) && !emptying3) ? ButtonsEtc.EmptyTankBtn3En : 0));

                selection = Selection.None;
                State.Create("MainSeq : Select an activity")
                    .AddOperation(checkUiOp)
                    .AddOperation((StateMachine.Balance1 != null) ? StateMachine.Balance1.ReadMassOp(ref mass1) : null)
                    .AddOperation((StateMachine.Balance2 != null) ? StateMachine.Balance2.ReadMassOp(ref mass2) : null)
                    .AddOperation((StateMachine.Balance3 != null) ? StateMachine.Balance3.ReadMassOp(ref mass3) : null)
                    .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                    .EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error)) goto error;
                    else if (e.Contains(Event.UiCmdStop)) selection = Selection.Stop;
                    else if (e.Contains(Event.UiCmdCameraTest)) selection = Selection.CameraTest;
                    else if (e.Contains(Event.UiCmdEmptyTank1)) selection = Selection.EmptyTank1;
                    else if (e.Contains(Event.UiCmdEmptyTank2)) selection = Selection.EmptyTank2;
                    else if (e.Contains(Event.UiCmdEmptyTank3)) selection = Selection.EmptyTank3;
                    else if (emptying1 && StateMachine.Balance1.IsEmpty(mass1.Val)) selection = Selection.CloseTank1;
                    else if (emptying2 && StateMachine.Balance2.IsEmpty(mass2.Val)) selection = Selection.CloseTank2;
                    else if (emptying3 && StateMachine.Balance3.IsEmpty(mass3.Val)) selection = Selection.CloseTank3;
                    else if (e.Contains(Event.UiCmdPurgeBegin)) return Selection.PurgeBegin;   /// Value used to branch the code later on
                    else if (e.Contains(Event.UiCmdPurgeEnd)) return Selection.PurgeEnd;
					else if (e.Contains(Event.UiCmdBreak) && context == MKSelContext.InsideProcedure) return Selection.Break;
                    else if (e.Contains(Event.UiCmdStartTest)) return Selection.Test;
                    else if (e.Contains(Event.UiCmdStartQ1)) return Selection.Q1;
                    else if (e.Contains(Event.UiCmdStartQ2)) return Selection.Q2;
                    else if (e.Contains(Event.UiCmdStartQ3)) return Selection.Q3;
                    else if (e.Contains(Event.UiCmdStartCycle)) return Selection.Cycle;
                    else if (e.Contains(Event.UiCmdAcceptResults)) return Selection.SaveResults;
                }
                while (selection == Selection.None);

                if (selection == Selection.CameraTest)
                {
                    CameraTest();
                }
				else if (selection == Selection.Stop)
				{
					if (emptying1 || emptying2 || emptying3)
					{
						IList<IValve> valvesClose = new List<IValve>();
						if (emptying1) valvesClose.Add(StateMachine.EmptyTankValve1);
						if (emptying2) valvesClose.Add(StateMachine.EmptyTankValve2);
						if (emptying3) valvesClose.Add(StateMachine.EmptyTankValve3);

						State.Create("MainSeq : Close emptying valve(s)")
							.AddOperation(StateMachine.ControlBoard.SetValvesOp(null, valvesClose))
							.EnterState();
						do { e = StateMachine.WaitRunDevsRunOps(); }
						while (!e.Contains(Event.ValvesSet));
						emptying1 = emptying2 = emptying3 = false;
					}
					selection = Selection.None;
				}
				else if ((selection == Selection.EmptyTank1) && !emptying1)
				{
					emptying1 = true;
					Bridge.OnActivity(this, Strings.Emptying_tank);
					Bridge.Bench2UI(((context == MKSelContext.ProcedureNotSelected) ? ButtonsEtc.ProcedureCmbBoxEn : 0) |
									ButtonsEtc.TestCmbBoxEn | ButtonsEtc.StopBtnEn |
									(emptying2 ? 0 : ButtonsEtc.EmptyTankBtn2En) |
									(emptying3 ? 0 : ButtonsEtc.EmptyTankBtn3En));
					State.Create("MainSeq : Open tank 1")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.EmptyTankValve1, null))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
				}
				else if ((selection == Selection.EmptyTank2) && !emptying2)
				{
					emptying2 = true;
					Bridge.OnActivity(this, Strings.Emptying_tank);
					Bridge.Bench2UI(((context == MKSelContext.ProcedureNotSelected) ? ButtonsEtc.ProcedureCmbBoxEn : 0) |
									ButtonsEtc.TestCmbBoxEn | ButtonsEtc.StopBtnEn |
									(emptying1 ? 0 : ButtonsEtc.EmptyTankBtn1En) |
									(emptying3 ? 0 : ButtonsEtc.EmptyTankBtn3En));
					State.Create("MainSeq : Open tank 2")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.EmptyTankValve2, null))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
				}
				else if ((selection == Selection.EmptyTank3) && !emptying3)
				{
					emptying3 = true;
					Bridge.OnActivity(this, Strings.Emptying_tank);
					Bridge.Bench2UI(((context == MKSelContext.ProcedureNotSelected) ? ButtonsEtc.ProcedureCmbBoxEn : 0) |
									ButtonsEtc.TestCmbBoxEn | ButtonsEtc.StopBtnEn |
									(emptying1 ? 0 : ButtonsEtc.EmptyTankBtn1En) |
									(emptying2 ? 0 : ButtonsEtc.EmptyTankBtn2En));
					State.Create("MainSeq : Open tank 3")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(StateMachine.EmptyTankValve3, null))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
				}
				else if (selection == Selection.CloseTank1)
				{
					State.Create("MainSeq : Close tank 1")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(null, StateMachine.EmptyTankValve1))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
					emptying1 = false;
				}
				else if (selection == Selection.CloseTank2)
				{
					State.Create("MainSeq : Close tank 2")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(null, StateMachine.EmptyTankValve2))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
					emptying2 = false;
				}
				else if (selection == Selection.CloseTank3)
				{
					State.Create("MainSeq : Close tank 3")
						.AddOperation(StateMachine.ControlBoard.SetValvesOp(null, StateMachine.EmptyTankValve3))
						.EnterState();
					do { e = StateMachine.WaitRunDevsRunOps(); }
					while (!e.Contains(Event.ValvesSet));
					emptying3 = false;
				}
            }

        error:
            Bridge.OnActivity(this, Strings.Error);
            State.Create("MainSeq : ERROR state")
                 .EnterState();
            while (true) StateMachine.WaitRunDevsRunOps();
        }

        /// <summary>
        /// Perform a camera test
        /// </summary>
        void CameraTest()
        {
            IList<Event> e;

        camera_test:
            Bridge.OnActivity(this, "Camera test");
            //---------------------------------------------------------
            Bridge.Bench2UI(ButtonsEtc.StartTestBtnsEn | ButtonsEtc.StopBtnEn);
            State.Create("MainSeq : 1 = Grab, 2 = Live, 3 = Focus, Stop = Quit camera test")
                .AddOperation(checkUiOp)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) return;
                if (e.Contains(Event.UiCmdStartQ1)) goto grab;
                if (e.Contains(Event.UiCmdStartQ2)) goto live;
                if (e.Contains(Event.UiCmdStartQ3)) goto focus;
            }
            while (true);

        grab:
            Bridge.Bench2UI(ButtonsEtc.StopBtnEn);
            State.Create("MainSeq : Press 'Stop' to continue")
                .AddOperation(checkUiOp)
				.AddOperation((Cameras.Count > 0 && Cameras[0] != null && (Cameras[0].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[0].GrabOp() : null)
				.AddOperation((Cameras.Count > 1 && Cameras[1] != null && (Cameras[1].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[1].GrabOp() : null)
				.AddOperation((Cameras.Count > 2 && Cameras[2] != null && (Cameras[2].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[2].GrabOp() : null)
				.AddOperation((Cameras.Count > 3 && Cameras[3] != null && (Cameras[3].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[3].GrabOp() : null)
				.AddOperation((Cameras.Count > 4 && Cameras[4] != null && (Cameras[4].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[4].GrabOp() : null)
				.AddOperation((Cameras.Count > 5 && Cameras[5] != null && (Cameras[5].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[5].GrabOp() : null)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto camera_test;
            }
            while (true);

        live:
            Bridge.Bench2UI(ButtonsEtc.StopBtnEn);
            State.Create("MainSeq : Press 'Stop' to stop.")
                .AddOperation(checkUiOp)
                .AddOperation((Cameras.Count > 0 && Cameras[0] != null && (Cameras[0].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[0].LiveOp() : null)
                .AddOperation((Cameras.Count > 1 && Cameras[1] != null && (Cameras[1].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[1].LiveOp() : null)
                .AddOperation((Cameras.Count > 2 && Cameras[2] != null && (Cameras[2].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[2].LiveOp() : null)
                .AddOperation((Cameras.Count > 3 && Cameras[3] != null && (Cameras[3].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[3].LiveOp() : null)
                .AddOperation((Cameras.Count > 4 && Cameras[4] != null && (Cameras[4].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[4].LiveOp() : null)
                .AddOperation((Cameras.Count > 5 && Cameras[5] != null && (Cameras[5].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[5].LiveOp() : null)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto camera_test;
            }
            while (true);

        focus:
            Bridge.Bench2UI(ButtonsEtc.StopBtnEn);
            State.Create("MainSeq : Press 'Stop' to stop.")
                .AddOperation(checkUiOp)
                .AddOperation((Cameras.Count > 0 && Cameras[0] != null && (Cameras[0].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[0].FocusOp() : null)
                .AddOperation((Cameras.Count > 1 && Cameras[1] != null && (Cameras[1].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[1].FocusOp() : null)
                .AddOperation((Cameras.Count > 2 && Cameras[2] != null && (Cameras[2].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[2].FocusOp() : null)
                .AddOperation((Cameras.Count > 3 && Cameras[3] != null && (Cameras[3].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[3].FocusOp() : null)
                .AddOperation((Cameras.Count > 4 && Cameras[4] != null && (Cameras[4].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[4].FocusOp() : null)
                .AddOperation((Cameras.Count > 5 && Cameras[5] != null && (Cameras[5].Cfg.DebugLevel != DebugMode.DetectedOff)) ? Cameras[5].FocusOp() : null)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) goto error;
                if (e.Contains(Event.UiCmdStop)) goto camera_test;
            }
            while (true);

        error:
            Bridge.OnActivity(this, Strings.Error);
            State.Create("MainSeq : ERROR state")
                 .EnterState();
            while (true) StateMachine.WaitRunDevsRunOps();
        }
    }
}