///
/// Copyright (c) 2019 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using log4net;
using Config.Entities;
using Results;
using Results.Entities;
using TBF.Resources;
using TBF.UiBridge;

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

		System.Windows.Forms.Form modelessDlg;
		/// 
        delegate void ManualEntryFormDlgt(ManualEntrySeq myRef, MeterTestRslt mtr, string prompt, IList<ManualEntryItemSpec> items);
		/// 
        void OpenManualEntryForm(ManualEntrySeq myRef, MeterTestRslt mtr, string prompt, IList<ManualEntryItemSpec> items)
		{
            myRef.modelessDlg = new ManualEntryForm(mtr, prompt, items);
			modelessDlg.Show();
		}

		/// <summary>
		/// Adjustment 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, int repetitionNr, bool isLastRepetition, ManualEntryCfg cfg, DebugMode mode)
		{
            IList<Event> e;                                 /// Events from currently running operations
            checkUiOp = new Operations.CheckUIOp(true);     /// Runs in more then one state

            /// Start the test, initialize test results
            Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, heatMetersPath, 0));

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

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

            if (tstRslt != null)
            {
                Results.Utils.GetCounterStates(tstRslt, Program.LocalSettings.Counters);
                UpdateTempPressDensAmb(tstRslt);

                /// Main results
                tstRslt.MethodClass = TbfComponents.FindComponent(test.Method).ClassName;
                tstRslt.StartTime = DateTime.Now;
                tstRslt.FlowSetTime = 0;
                tstRslt.TestTime = 0;
                tstRslt.PulsesMaster = 0;
                tstRslt.MassStartRaw = 0;
                tstRslt.MassStart = 0;
                tstRslt.MassEndRaw = 0;
                tstRslt.MassEnd = 0;
                tstRslt.MassOfEvapWater = 0;
                tstRslt.FlowMass = 0;
                tstRslt.FlowVolume = 0;
                tstRslt.VolumeMaster = 0;
                tstRslt.ConstMasterRaw = 0;
                tstRslt.ConstMasterCorr = 0;
                tstRslt.ConstMaster = 0;
                tstRslt.VolumeCTV = 0;
                tstRslt.ErrorMaster = 0;

                tstRslt.FlowMean = 0;
                tstRslt.FlowStart = 0;
                tstRslt.FlowEnd = 0;
                tstRslt.FlowMin = 0;
                tstRslt.FlowMax = 0;

                tstRslt.DiverterStart = 0;
                tstRslt.DiverterEnd = 0;
                long infoFlags = 0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, false, false, 0, 0, out infoFlags) : 0;
                tstRslt.InfoFlags = infoFlags;

                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, CompoundMeterId.Single);

                    if (meterRslt != null)
                    {
                        meterRslt.RegReaderType = 0;
                        meterRslt.PulsesPerLiter = 0;
                        meterRslt.PulsesMeter = 0;
                        meterRslt.PulsesMaster = 0;
                        meterRslt.VolumeStart = 0;
                        meterRslt.VolumeEnd = 0;
                        meterRslt.VolumeMeter = 0;
                        meterRslt.VolumeRef = 0;
                        meterRslt.TestTime = 0;
                        meterRslt.Error = 0;
                        meterRslt.Passed = true;
                        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));


                IList<Results.ManualEntryItemSpec> items = Results.ManualEntryItemSpec.FromStrArray(cfg.Items);

                foreach (var waterMeter in BatchRslts.Batch.WaterMeters)
                {
                    if (waterMeter == null && waterMeter.Disabled) continue;
                
                    MeterTestRslt mtr = waterMeter.GetMeterTestRslt(testName);
                    if ((mtr != null) && (items.Count > 0))
                    {
                        /// Show the modeless dialog with error indication
                        string prompt = string.Format("{0} {1} {2}", cfg.Prompt, Strings.Water_Meter, waterMeter.WMPosition);
                        Program.MainWnd.Invoke(new ManualEntryFormDlgt(OpenManualEntryForm), new object[] { this, mtr, prompt, items });

                        State.Create(string.Format("{0}({1}) : Entering data", test.Method, test.Name))
                                .AddOperation(checkUiOp)
                                .EnterState();
                        do {
                            e = StateMachine.WaitRunDevsRunOps();
                            if (e.Contains(Event.Error) || TestAndLogUiCmdStop(test, e)) break;
                        }
                        while (!(modelessDlg as GenericDevices.IHasCompleted).Completed);
                        modelessDlg.Close();

                        if (e.Contains(Event.Error) || e.Contains(Event.UiCmdStop))
                        {
                            /// Stop or error detected => force closing the modeless dialog
                            modelessDlg.Close();
                            while (!(modelessDlg as GenericDevices.IHasCompleted).Completed) ;
                            modelessDlg = null;		/// Modeless dialog is closed now

                            if (e.Contains(Event.Error))
                            {
                                return new List<Event> { Event.Error };
                            }
                            else
                            {
                                return new List<Event> { Event.UiCmdStop };
                            }
                        }

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


                tstRslt.EndTime = DateTime.Now;

                /// Update water meter error flags
                if (ErrorFlagsComp != null)
                {
                    if (BatchRslts.Batch != null && BatchRslts.Batch.WaterMeters != null)
                    {
                        for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                        {
                            if (!BatchRslts.Batch.WaterMeters[i].Disabled)
                            {
                                long wmInfoFlags;
                                BatchRslts.Batch.WaterMeters[i].ErrorFlags = ErrorFlagsComp.GetWMtrErrorFlags(BatchRslts.Batch.WaterMeters[i].MeterTestRslts, out wmInfoFlags);
                                BatchRslts.Batch.WaterMeters[i].InfoFlags = wmInfoFlags;
                            }
                        }
                    }
                }

				/// Update results
				Bridge.OnTestCompleted(this, new TestCompletedEventArgs(testName, tstRslt));
			}

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

			return new List<Event> { Event.Done };
		}
    }
}