///
/// Copyright (c) 2023 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using log4net;
using Common;
using TBF.Rig.GenericDevices;

namespace TBF.Rig.DataEntry.Uni
{
	public class EntryFormNoStartEnd : ComponentBase, IOperation, IDataEntry, IHasCycleBeginForm, IHasCycleEndForm
	{
        private static readonly ILog log = LogManager.GetLogger(typeof(EntryFormNoStartEnd));
        public override string ToString() { return string.Format("{0}({1})", ClassName, Cfg.ToString(-1)); }

        const string DfltOcrWorkspaceFolder = "C:\\TBF\\OCR\\";
        const string DfltOcrWorkspaceExt = ".vrws";

        static Dictionary<string, OcrVidi> ocrDictionary = new Dictionary<string, OcrVidi>();


        readonly EntryFormCfg myCfg;

        public string OcrWorkspace
        {
            get { return (myCfg != null && myCfg.ProcParams != null) ? myCfg.ProcParams.OcrWorkspace : string.Empty; }
        }

        public string OcrStream
        {
            get { return (myCfg != null && myCfg.ProcParams != null) ? myCfg.ProcParams.OcrStream : string.Empty; }
        }

        IRegReader[] regReaders;

        public string[] StartImages
        {
            get { return startImages; }
            set
            {
                if (myCfg.DebugLevel == DebugMode.Simulate)
                {
                    startImages = new string[] {             "C:\\TBF\\Images\\Test\\Image1.bmp", "C:\\TBF\\Images\\Test\\Image2.bmp",
                        "C:\\TBF\\Images\\Test\\Image3.bmp", "C:\\TBF\\Images\\Test\\Image4.bmp", "C:\\TBF\\Images\\Test\\Image5.bmp",
                        "C:\\TBF\\Images\\Test\\Image1.bmp", "C:\\TBF\\Images\\Test\\Image2.bmp", "C:\\TBF\\Images\\Test\\Image3.bmp",
                        "C:\\TBF\\Images\\Test\\Image4.bmp", "C:\\TBF\\Images\\Test\\Image5.bmp", "C:\\TBF\\Images\\Test\\Image1.bmp",
                        "C:\\TBF\\Images\\Test\\Image2.bmp", "C:\\TBF\\Images\\Test\\Image3.bmp", "C:\\TBF\\Images\\Test\\Image4.bmp",
                        "C:\\TBF\\Images\\Test\\Image5.bmp", "C:\\TBF\\Images\\Test\\Image1.bmp", "C:\\TBF\\Images\\Test\\Image2.bmp",
                        "C:\\TBF\\Images\\Test\\Image3.bmp", "C:\\TBF\\Images\\Test\\Image4.bmp", "C:\\TBF\\Images\\Test\\Image5.bmp" };
                }
                else
                {
                    startImages = value;
                }
            }
        }
        string[] startImages;

        public string[] EndImages
        {
            get { return endImages; }
            set { endImages = value; }
        }
        string[] endImages;

        public bool SaveImages
        {
            get
            {
                return !string.IsNullOrEmpty(myCfg.TestStartPicName) || !string.IsNullOrEmpty(myCfg.TestEndPicName);   // or return myCfg.SaveImages;
            }
        }


		string[] wmCycleEndState;
		public string WMCycleEndState(int wmNr) { return (wmNr >= 0 && wmNr < wmCycleEndState.Length) ? wmCycleEndState[wmNr] : string.Empty; }

		double[] wmStartState;
		public double WMStartState(int wmNr) { return (wmNr >= 0 && wmNr < wmStartState.Length) ? wmStartState[wmNr] : 0; }

		double[] wmEndState;
		public double WMEndState(int wmNr) { return (wmNr >= 0 && wmNr < wmEndState.Length) ? wmEndState[wmNr] : 0; }

		string[] wmStartStateStr;
		

        System.Windows.Forms.Form modelessDlg;
        public bool Completed { get { return (modelessDlg is IHasCompleted) ? (modelessDlg as IHasCompleted).Completed : true; } }

        Unit volumeUnit;
        double refVolume;
		double errLimLo;
		double errLimHi;

		bool resultSaved;								/// Set in Run() when results are saved

		IList<Results.Entities.WaterMeter> waterMeters;		/// Reference to ...ProcessData.BatchRslts.WaterMeters[]

        public string TestStartImgName(int wmNr0, string testName)
        {
            if (myCfg == null || waterMeters == null || wmNr0 < 0 || wmNr0 >= waterMeters.Count) return string.Empty;

            var wm = waterMeters[wmNr0];
            ///                                          {0}          {1}          {2}             {3}              {4}        {5}             {6}                        {7}                 {8}         {9}
            return string.Format(myCfg.TestStartPicName, testName, wm.SerialNr, wm.SerialNrAux, wm.RadioAddress, wm.Remark, wm.ArchivePath, wm.YearOfProduction, wm.Batch.StartTime, wm.Batch.BatchNr, wm.WMPosition);
        }

        public string TestEndImgName(int wmNr0, string testName)
        {
            if (myCfg == null || waterMeters == null || wmNr0 < 0 || wmNr0 >= waterMeters.Count) return string.Empty;

            var wm = waterMeters[wmNr0];
            ///                                        {0}          {1}          {2}             {3}              {4}        {5}             {6}                        {7}                 {8}         {9}
            return string.Format(myCfg.TestEndPicName, testName, wm.SerialNr, wm.SerialNrAux, wm.RadioAddress, wm.Remark, wm.ArchivePath, wm.YearOfProduction, wm.Batch.StartTime, wm.Batch.BatchNr, wm.WMPosition);
        }

        public enum CurrentOp
		{
			None,
			FormAtCycleBeginning,
			FormAtCycleEnd,
			TestStartStates,
			TestEndStates,
            DeferredTestEval,
        }

        CurrentOp currentOp;


		public EntryFormNoStartEnd() { }

		public EntryFormNoStartEnd(Generic.IComponentCfg cfg)
			: base(cfg)
		{
			myCfg = cfg as EntryFormCfg;
        }

        public override void Initialize()
        {
            wmStartState = new double[TBF.Data.WMsCount];
            wmStartStateStr = new string[TBF.Data.WMsCount];
            wmEndState = new double[TBF.Data.WMsCount];
            wmCycleEndState = new string[TBF.Data.WMsCount];
            volumeUnit = (Sequences.ProcessData.BenchInfo != null && Sequences.ProcessData.BenchInfo.VolumeUnit != Unit.None)
                ? Sequences.ProcessData.BenchInfo.VolumeUnit : Unit.l;
            currentOp = CurrentOp.None;
            log.FatalFormat("{0} initialized: {1}", Name, this);
        }


		/// <returns>Reference to the operation</returns>
		public IOperation ShowCycleBeginFormOp( IRegReader[] regReadersOptional = null)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.FormAtCycleBeginning;
			this.waterMeters = Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
			this.regReaders = regReadersOptional;
            log.DebugFormat(
                "DATA_ENTRY_BEGIN_ASSIGN OptionalSlots={0}, OptionalReaders={1}, StoredSlots={2}, StoredReaders={3}",
                regReadersOptional == null ? 0 : regReadersOptional.Length,
                regReadersOptional == null ? 0 : Array.FindAll(regReadersOptional, reader => reader != null).Length,
                this.regReaders == null ? 0 : this.regReaders.Length,
                this.regReaders == null ? 0 : Array.FindAll(this.regReaders, reader => reader != null).Length);
			return this;
		}

		/// <returns>Reference to the operation</returns>
        public IOperation ShowCycleEndFormOp(IList<Results.Entities.WaterMeter> waterMeters)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.FormAtCycleEnd;
            this.waterMeters = waterMeters;
			return this;
		}

        /// <returns>Reference to the operation</returns>
        public IOperation ShowTestStartFormOp(IRegReader[] regReaders)
        {
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.TestStartStates;
            this.waterMeters = Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
            this.regReaders = regReaders;
            return this;
		}

		/// <returns>Reference to the operation</returns>
		public IOperation ShowTestEndFormOp(IRegReader[] regReaders, double refVolume, double errLimLo, double errLimHi)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.TestEndStates;
            this.waterMeters = Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
            this.regReaders = regReaders;
			this.refVolume = refVolume;
			this.errLimLo = errLimLo;
			this.errLimHi = errLimHi;
			return this;
		}

        /// <returns>null (not implemented)</returns>
        public IOperation ShowAdvancedTestStartFormOp(IRegReader[] regReaders, IList<Results.Entities.WaterMeter> waterMeters, bool isCondOp = false)
        {
            return null;
        }
        public IOperation ShowTestCollectFormOp(IRegReader[] regReaders, double volumeRef, double errLimLo, double errLimHi) { return null; }

        /// <returns>Reference to the operation</returns>
        public IOperation ShowDeferredTestEvalFormOp(IRegReader[] regReaders, double refVolume, double errLimLo, double errLimHi)
        {
            if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
            currentOp = CurrentOp.DeferredTestEval;
            this.waterMeters = Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
            this.regReaders = regReaders;
            this.refVolume = refVolume;
            this.errLimLo = errLimLo;
            this.errLimHi = errLimHi;
            return this;
        }

        delegate void EntryFormDlgt(EntryFormNoStartEnd myRef);
        /// 
        void OpenBeginningDlg(EntryFormNoStartEnd myRef)
        {
            string ocrMessage;
            var ocr = GetOcr(myRef.OcrWorkspace, out ocrMessage);

            DEItem.ClearItems();
            for (int i = 0; i < myCfg.GetBgItemsCount(); i++)
            {
                if (myCfg.BgItemContent[i] != Ct.None)
                {
                    DEItem.AddItem(myCfg.BgItemContent[i], myCfg.BgItemCaption[i], myCfg.BgItemAction[i], myCfg.BgItemWidth[i]);
                }
            }

            DEItem.ClearColumns();
            for (int i = 0; i < myCfg.GetBgColumnsCount(); i++)
            {
                if (myCfg.BgColumnContent[i] != Ct.None)
                {
                    DEItem.AddColumn(myCfg.BgColumnContent[i], myCfg.BgColumnCaption[i], myCfg.BgColumnAction[i], myCfg.BgColumnWidth[i]);
                }
            }
            
            log.DebugFormat(
                "DATA_ENTRY_BEGIN_OPEN AutoRead={0}, StoredSlots={1}, StoredReaders={2}, " +
                "WaterMeters={3}, OptoHeadsEnabled=0x{4:X12}",
                myCfg.BgIsAutoReadingSerialNo,
                regReaders == null ? 0 : regReaders.Length,
                regReaders == null ? 0 : Array.FindAll(regReaders, reader => reader != null).Length,
                waterMeters == null ? 0 : waterMeters.Count,
                Program.LocalSettings.OptoHeadsEnabled);

            if (regReaders != null)
            {
                modelessDlg = new CycleBgEnForm(waterMeters, regReaders, TBF.Data.LineSize, myCfg.BgTitle, myCfg.BgSize, myCfg.BgIsLrOrder, myCfg.BgIsCameraPicture,
                                                myCfg.BgFormCloseKeys, DEItem.GetItems(), DEItem.GetColumns(), false, regReaders, myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap);
            }
            else
            {
                modelessDlg = new CycleBgEnForm(waterMeters, TBF.Data.LineSize, myCfg.BgTitle, myCfg.BgSize, myCfg.BgIsLrOrder, myCfg.BgIsCameraPicture,
                                                myCfg.BgFormCloseKeys, DEItem.GetItems(), DEItem.GetColumns(), myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap, false);
            }
            modelessDlg.Show();
        }
        /// 
        void OpenEndDlg(EntryFormNoStartEnd myRef)
        {
            string ocrMessage;
            var ocr = GetOcr(myRef.OcrWorkspace, out ocrMessage);

            DEItem.ClearItems();
            for (int i = 0; i < myCfg.GetEnItemsCount(); i++)
            {
                if (myCfg.EnItemContent[i] != Ct.None)
                {
                    DEItem.AddItem(myCfg.EnItemContent[i], myCfg.EnItemCaption[i], myCfg.EnItemAction[i], myCfg.EnItemWidth[i]);
                }
            }

            DEItem.ClearColumns();
            for (int i = 0; i < myCfg.GetEnColumnsCount(); i++)
            {
                if (myCfg.EnColumnContent[i] != Ct.None)
                {
                    DEItem.AddColumn(myCfg.EnColumnContent[i], myCfg.EnColumnCaption[i], myCfg.EnColumnAction[i], myCfg.EnColumnWidth[i]);
                }
            }

            modelessDlg = new CycleBgEnForm(waterMeters, TBF.Data.LineSize, myCfg.EnTitle, myCfg.EnSize, myCfg.EnIsLrOrder, myCfg.EnIsCameraPicture,
                                            myCfg.EnFormCloseKeys, DEItem.GetItems(), DEItem.GetColumns(), myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap, true);
            modelessDlg.Show();
        }
		///
		void OpenTestStartStatesDlg(EntryFormNoStartEnd myRef)
		{
            string ocrMessage;
            var ocr = GetOcr(myRef.OcrWorkspace, out ocrMessage);

            DEItem.ClearColumns();
            for (int i = 0; i < myCfg.GetTestColumnsCount(); i++)
            {
                if (myCfg.TestColumnContent[i] != Ct.None)
                {
                    DEItem.AddColumn(myCfg.TestColumnContent[i], myCfg.TestColumnCaption[i], myCfg.TestColumnAction[i], myCfg.TestColumnWidth[i]);
                }
            }

            bool isCompound = waterMeters[0].Batch.Compound;
            modelessDlg = new TestStartEndForm(waterMeters, myRef.regReaders, TBF.Data.LineSize, myCfg.TestTitle, myCfg.TestSize,
                                               myCfg.TestStartBoxAlwaysEn, myCfg.TestIsLrOrder, myCfg.TestFormCloseKeys,
                                               DEItem.GetColumns(), isCompound, volumeUnit, myCfg.TestIsCameraPicture,
                                               startImages,endImages, ocr, ocrMessage, myRef.OcrStream, 
                                               myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap, myCfg.DataEntryReadTimeoutSec);
			modelessDlg.Show();
		}
		///
		void OpenTestEndStatesDlg(EntryFormNoStartEnd myRef)
		{
            string ocrMessage;
            var ocr = GetOcr(myRef.OcrWorkspace, out ocrMessage);

            DEItem.ClearColumns();
            for (int i = 0; i < myCfg.GetTestColumnsCount(); i++)
            {
                if (myCfg.TestColumnContent[i] != Ct.None)
                {
                    DEItem.AddColumn(myCfg.TestColumnContent[i], myCfg.TestColumnCaption[i], myCfg.TestColumnAction[i], myCfg.TestColumnWidth[i]);
                }
            }

            bool isCompound = waterMeters[0].Batch.Compound;
            modelessDlg = new TestStartEndForm(waterMeters, myRef.regReaders, TBF.Data.LineSize, myCfg.TestTitle, myCfg.TestSize,
                                               myCfg.TestStartBoxAlwaysEn, myCfg.TestIsLrOrder, myCfg.TestFormCloseKeys, DEItem.GetColumns(),
                                               isCompound, volumeUnit, myCfg.TestIsCameraPicture, startImages, endImages,
                                               ocr, ocrMessage, myRef.OcrStream, myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap,
                                               myCfg.DataEntryReadTimeoutSec, wmStartStateStr, refVolume, errLimLo, errLimHi);
			modelessDlg.Show();
		}
        ///
        void OpenDeferredTestEvalDlg(EntryFormNoStartEnd myRef)
        {
            string ocrMessage;
            var ocr = GetOcr(myRef.OcrWorkspace, out ocrMessage);

            DEItem.ClearColumns();
            for (int i = 0; i < myCfg.GetTestColumnsCount(); i++)
            {
                if (myCfg.TestColumnContent[i] != Ct.None)
                {
                    DEItem.AddColumn(myCfg.TestColumnContent[i], myCfg.TestColumnCaption[i], myCfg.TestColumnAction[i], myCfg.TestColumnWidth[i]);
                }
            }

            bool isCompound = waterMeters[0].Batch.Compound;
            modelessDlg = new TestStartEndForm(waterMeters, myRef.regReaders, TBF.Data.LineSize, myCfg.TestTitle, myCfg.TestSize,
                                               myCfg.TestStartBoxAlwaysEn, myCfg.TestIsLrOrder, myCfg.TestFormCloseKeys, DEItem.GetColumns(),
                                               isCompound, volumeUnit, myCfg.TestIsCameraPicture, startImages, endImages,
                                               ocr, ocrMessage, myRef.OcrStream, myCfg.BgIsAutoReadingSerialNo, myCfg.BgAutoCloseGap,
                                               myCfg.DataEntryReadTimeoutSec, wmStartStateStr, refVolume, errLimLo, errLimHi);
            modelessDlg.Show();
        }
        ///
        OcrVidi GetOcr(string ocrWorkspace, out string message)
        {
            message = string.Empty;
            if (string.IsNullOrEmpty(ocrWorkspace)) return null;        /// No OCR was configured

            string fullPath = (ocrWorkspace.Contains("\\") || ocrWorkspace.Contains("/"))
                            ? ocrWorkspace.Replace('/', '\\')
                            : System.IO.Path.Combine(DfltOcrWorkspaceFolder, ocrWorkspace);
            if (!fullPath.Contains(".")) fullPath = fullPath + DfltOcrWorkspaceExt;

            OcrVidi ocrVidi;
            if (ocrDictionary.TryGetValue(fullPath, out ocrVidi))
            {
                log.InfoFormat("existing OcrVidi({0}) was retrieved from dictionary", fullPath);
                return ocrVidi;
            }

            try
            {
                ocrVidi = new OcrVidi(fullPath);
                ocrDictionary.Add(fullPath, ocrVidi);
                log.WarnFormat("new OcrVidi({0}) was added to dictionary", fullPath);
                return ocrVidi;
            }
            catch (Exception e)
            {
                if (e.InnerException != null)
                {
                    log.ErrorFormat("new OcrVidi({0}) thrown {1}: {2} / {3}",
                        fullPath, e.GetType().ToString(), e.Message, e.InnerException.Message);
                }
                else
                {
                    log.ErrorFormat("new OcrVidi({0}) thrown {1}: {2}",
                        fullPath, e.GetType().ToString(), e.Message);
                }
                log.ErrorFormat("Stack trace:\r\n{0}", e.StackTrace);

                message = string.Format("Cannot load OCR workspace:\r\n{0}\r\nOCR workspace file is {1}", e.Message, fullPath);
                return null;
            }
        }

        /// <summary>Start this operation</summary>
        public void Start()
		{
			resultSaved = false;
			switch (currentOp)
            {
                case CurrentOp.FormAtCycleBeginning:
                    if (myCfg.BgShowForm)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenBeginningDlg), this);
					}
                    break;
                case CurrentOp.FormAtCycleEnd:
					if (myCfg.EnShowForm)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenEndDlg), this);
					}
                    break;
				case CurrentOp.TestStartStates:
                    if (myCfg.TestStartEndShowForm)
                    {
                        Program.MainWnd.Invoke(new EntryFormDlgt(OpenTestStartStatesDlg), this);
                    }
                    break;
				case CurrentOp.TestEndStates:
                    if (myCfg.TestStartEndShowForm)
                    {
                        Program.MainWnd.Invoke(new EntryFormDlgt(OpenTestEndStatesDlg), this);
                    }
					break;
                case CurrentOp.DeferredTestEval:
                    Program.MainWnd.Invoke(new EntryFormDlgt(OpenDeferredTestEvalDlg), this);
                    break;
            }
        }

		/// <summary>Run this operation</summary>
		/// <returns>Event.ResultsPrinted</returns>
		public Event Run()
		{
			if ((modelessDlg is IHasCompleted) && !(modelessDlg as IHasCompleted).Completed)
			{
				return Event.ModelessFormIsOpen;
			}

			if (!resultSaved)		/// This is to save the result only once
			{
                if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.TestStartStates)
				{
                    /// Fixed start test - start
					TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        volumeUnit = dlg.VolumeUnit;
                        for (int i = 0; i < waterMeters.Count; i++)
                        {
							if (!((i < waterMeters.Count && waterMeters[i].Disabled) || (i < regReaders.Length && regReaders[i] == null)))
							{
								wmStartState[i] = dlg.WMStartState[i];
							}
                        }
                        wmStartStateStr = dlg.WMStartStateStr;
                    }
                }
                else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.TestEndStates)
                {
                    /// Fixed start test - end
                    TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        volumeUnit = dlg.VolumeUnit;
                        for (int i = 0; i < waterMeters.Count; i++)
                        {
                            if (!((i < waterMeters.Count && waterMeters[i].Disabled) || (i < regReaders.Length && regReaders[i] == null)))
							{
								wmEndState[i] = dlg.WMEndState[i];
							}
                        }
                    }
                }

                resultSaved = true;
				modelessDlg = null;
			}

			return Event.ModelessFormClosed;		/// Form closed
		}

		/// <summary>Stop this operation</summary>
		public void Stop()
		{
			if (modelessDlg is IHasCompleted)
			{
				UiBridge.Bridge.OnCloseModelessForm(this, null);
				modelessDlg = null;
			}
			currentOp = CurrentOp.None;
		}
	}
}