///
/// Copyright (c) 2023 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using log4net;
using Config.Entities;
using TBF.Rig;
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)); }

		public bool UsesCameras() { return false; }

        readonly EntryFormCfg myCfg;
		IRegReader[] regReaders;

		/// <summary>
		/// Properties set by the Begin, End and WMStates form
		/// </summary>
		bool[] disabled;				/// This array is shared between forms

		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; } }

        Common.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 enum CurrentOp
		{
			None,
			ShowFormAtCycleBeginning,
			ShowFormAtCycleEnd,
			EnterTestStartStates,
			EnterTestEndStates,
		}

		CurrentOp currentOp;


		public EntryFormNoStartEnd() { }

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

        public override void Initialize()
        {
            disabled = new bool[TBF.Data.WMsCount];
            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 = (TBF.Rig.Sequences.ProcessData.BenchInfo != null) ? TBF.Rig.Sequences.ProcessData.BenchInfo.VolumeUnit : Common.Unit.l;
            currentOp = CurrentOp.None;
            log.FatalFormat("{0} initialized: {1}", Name, this);
        }


		/// <returns>Reference to the operation</returns>
		public IOperation ShowCycleBeginFormOp()
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.ShowFormAtCycleBeginning;
			this.waterMeters = TBF.Rig.Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
			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.ShowFormAtCycleEnd;
            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.EnterTestStartStates;
            this.waterMeters = TBF.Rig.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.EnterTestEndStates;
            this.waterMeters = TBF.Rig.Sequences.ProcessData.BatchRslts.Batch.WaterMeters;
            this.regReaders = regReaders;
			this.refVolume = refVolume;
			this.errLimLo = errLimLo;
			this.errLimHi = errLimHi;
			return this;
		}

        public IOperation ShowAdvancedTestStartFormOp(IRegReader[] regReaders, IList<Results.Entities.WaterMeter> waterMeters, bool isCondOp = false)
        {
            return null;
        }

        delegate void EntryFormDlgt(EntryFormNoStartEnd myRef);
        /// 
        void OpenBeginningDlg(EntryFormNoStartEnd myRef)
        {
            var item1 = new DEItem(myCfg.BgItem1Content, myCfg.BgItem1Caption, myCfg.BgItem1Action, myCfg.BgItem1Width);
            var item2 = new DEItem(myCfg.BgItem2Content, myCfg.BgItem2Caption, myCfg.BgItem2Action, myCfg.BgItem2Width);
            var item3 = new DEItem(myCfg.BgItem3Content, myCfg.BgItem3Caption, myCfg.BgItem3Action, myCfg.BgItem3Width);

            DEItem.ClearColumns();
            if (myCfg.BgColAContent != Content.None) DEItem.AddColumn(myCfg.BgColAContent, myCfg.BgColACaption, myCfg.BgColAAction, myCfg.BgColAWidth);
            if (myCfg.BgColBContent != Content.None) DEItem.AddColumn(myCfg.BgColBContent, myCfg.BgColBCaption, myCfg.BgColBAction, myCfg.BgColBWidth);
            if (myCfg.BgColCContent != Content.None) DEItem.AddColumn(myCfg.BgColCContent, myCfg.BgColCCaption, myCfg.BgColCAction, myCfg.BgColCWidth);
            if (myCfg.BgColDContent != Content.None) DEItem.AddColumn(myCfg.BgColDContent, myCfg.BgColDCaption, myCfg.BgColDAction, myCfg.BgColDWidth);
            if (myCfg.BgColEContent != Content.None) DEItem.AddColumn(myCfg.BgColEContent, myCfg.BgColECaption, myCfg.BgColEAction, myCfg.BgColEWidth);
            var columns = DEItem.GetColumns();

            modelessDlg = new CycleBgEnForm(waterMeters, TBF.Data.LineSize, myCfg.BgTitle, myCfg.BgSize, myCfg.BgIsLrOrder, myCfg.BgFormCloseKeys,
                                            item1, item2, item3, columns, false);
            modelessDlg.Show();
        }
        /// 
        void OpenEndDlg(EntryFormNoStartEnd myRef)
        {
            var item1 = new DEItem(myCfg.EnItem1Content, myCfg.EnItem1Caption, myCfg.EnItem1Action, myCfg.EnItem1Width);
            var item2 = new DEItem(myCfg.EnItem2Content, myCfg.EnItem2Caption, myCfg.EnItem2Action, myCfg.EnItem2Width);
            var item3 = new DEItem(myCfg.EnItem3Content, myCfg.EnItem3Caption, myCfg.EnItem3Action, myCfg.EnItem3Width);

            DEItem.ClearColumns();
            if (myCfg.EnColAContent != Content.None) DEItem.AddColumn(myCfg.EnColAContent, myCfg.EnColACaption, myCfg.EnColAAction, myCfg.EnColAWidth);
            if (myCfg.EnColBContent != Content.None) DEItem.AddColumn(myCfg.EnColBContent, myCfg.EnColBCaption, myCfg.EnColBAction, myCfg.EnColBWidth);
            if (myCfg.EnColCContent != Content.None) DEItem.AddColumn(myCfg.EnColCContent, myCfg.EnColCCaption, myCfg.EnColCAction, myCfg.EnColCWidth);
            if (myCfg.EnColDContent != Content.None) DEItem.AddColumn(myCfg.EnColDContent, myCfg.EnColDCaption, myCfg.EnColDAction, myCfg.EnColDWidth);
            if (myCfg.EnColEContent != Content.None) DEItem.AddColumn(myCfg.EnColEContent, myCfg.EnColECaption, myCfg.EnColEAction, myCfg.EnColEWidth);
            var columns = DEItem.GetColumns();

            modelessDlg = new CycleBgEnForm(waterMeters, TBF.Data.LineSize, myCfg.EnTitle, myCfg.EnSize, myCfg.EnIsLrOrder, myCfg.EnFormCloseKeys,
                                            item1, item2, item3, columns, true);
            modelessDlg.Show();
        }
		///
		void OpenTestStartStatesDlg(EntryFormNoStartEnd myRef)
		{
            myRef.modelessDlg = new TestStartEndForm(waterMeters, myRef.regReaders,
                                                     myRef.myCfg.TestFormCloseKeys, volumeUnit);
			modelessDlg.Show();
		}
		///
		void OpenTestEndStatesDlg(EntryFormNoStartEnd myRef)
		{
            modelessDlg = new TestStartEndForm(waterMeters, myRef.regReaders, wmStartStateStr,
                                               refVolume, errLimLo, errLimHi, volumeUnit);
			modelessDlg.Show();
		}

		/// <summary>Start this operation</summary>
		public void Start()
		{
			resultSaved = false;
			switch (currentOp)
            {
                case CurrentOp.ShowFormAtCycleBeginning:
                    if (myCfg.ShowCycleBeginningForm)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenBeginningDlg), this);
					}
                    break;
                case CurrentOp.ShowFormAtCycleEnd:
					if (myCfg.ShowCycleEndForm)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenEndDlg), this);
					}
                    break;
				case CurrentOp.EnterTestStartStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenTestStartStatesDlg), this);
					break;
				case CurrentOp.EnterTestEndStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenTestEndStatesDlg), 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.EnterTestStartStates)
				{
                    /// Fixed start test - start
					TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        volumeUnit = dlg.VolumeUnit;
                        for (int i = 0; i < dlg.WMsCount; i++)
                        {
							if (!((i < waterMeters.Count && waterMeters[i].Disabled) || (i < regReaders.Length && regReaders[i] == null)))
							{
								wmStartState[i] = dlg.WMStartState[i];
								wmStartStateStr[i] = dlg.WMStartStateStr[i];
							}
                        }
                    }
                }
                else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.EnterTestEndStates)
                {
                    /// Fixed start test - end
                    TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        volumeUnit = dlg.VolumeUnit;
                        for (int i = 0; i < dlg.WMsCount; 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;
		}
	}
}