///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using log4net;
using Config.Entities;
using TBF.BenchControl;
using TBF.BenchControl.GenericDevices;

namespace TBF.BenchControl.DataEntry.StandardCamera
{
	public class EntryForm : ComponentBase, IOperation, IDataEntryForCamera, IHasWMStatesForm, IHasCycleBeginForm, IHasCycleEndForm
	{
        private static readonly ILog log = LogManager.GetLogger(typeof(EntryForm));
        public override string ToString() { return string.Format("DataEntry.Standard24({0})", Cfg.ToString(1)); }


        readonly EntryFormCfg entryFormCfg;
		IRegReader[] regReaders;


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

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

		public bool SaveImages
		{
			get { return entryFormCfg.SaveImages; }
		}


		/// <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; } }

		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,
			TestStartStates,
			TestEndStates,
			DeferredTestEval,
		}

		CurrentOp currentOp;


		public EntryForm()
		{
		}

		public EntryForm(Generic.IComponentCfg cfg)
			: base(cfg)
		{
			entryFormCfg = cfg as EntryFormCfg;

			disabled = new bool[Config.Data.WMsCount];
			wmStartState = new double[Config.Data.WMsCount];
			wmStartStateStr = new string[Config.Data.WMsCount];
			wmEndState = new double[Config.Data.WMsCount];
			wmCycleEndState = new string[Config.Data.WMsCount];

			currentOp = CurrentOp.None;
            log.Warn(this.ToString());
        }

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

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

		/// <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.regReaders = regReaders;
			this.refVolume = refVolume;
			this.errLimLo = errLimLo;
			this.errLimHi = errLimHi;
			return this;
		}

        delegate void EntryFormDlgt(EntryForm myRef);
        /// 
        void OpenBeginningDlg(EntryForm myRef)
        {
            myRef.modelessDlg = new CycleBeginningForm(Config.Data.WMsCount, entryFormCfg.HideOrder);
            modelessDlg.Show();
        }
        /// 
        void OpenEndDlg(EntryForm myRef)
        {
			if (!string.IsNullOrEmpty(entryFormCfg.ProtocolTitle1) ||
				!string.IsNullOrEmpty(entryFormCfg.ProtocolTitle2) ||
				!string.IsNullOrEmpty(entryFormCfg.ProtocolTitle3) ||
				!string.IsNullOrEmpty(entryFormCfg.ProtocolTitle4))
			{
				myRef.modelessDlg = new CycleEndFormMunich(Config.Data.WMsCount);
				(myRef.modelessDlg as CycleEndFormMunich).ProtocolName1 = entryFormCfg.ProtocolTitle1;
				(myRef.modelessDlg as CycleEndFormMunich).ProtocolName2 = entryFormCfg.ProtocolTitle2;
				(myRef.modelessDlg as CycleEndFormMunich).ProtocolName3 = entryFormCfg.ProtocolTitle3;
				(myRef.modelessDlg as CycleEndFormMunich).ProtocolName4 = entryFormCfg.ProtocolTitle4;
			}
			else
			{
				myRef.modelessDlg = new CycleEndForm(Config.Data.WMsCount, Config.Data.LineSize);
			}

			myRef.modelessDlg.Show();
        }
		///
		void OpenTestStartStatesDlg(EntryForm myRef)
		{
			myRef.modelessDlg = new TestStartEndForm(Config.Data.WMsCount, myRef.regReaders, startImages, disabled);
			modelessDlg.Show();
		}
		///
		void OpenTestEndStatesDlg(EntryForm myRef)
		{
			myRef.modelessDlg = new TestStartEndForm(Config.Data.WMsCount, myRef.regReaders, endImages, wmStartState, wmStartStateStr, disabled, refVolume, errLimLo, errLimHi);
			modelessDlg.Show();
		}
		///
		void OpenDeferredTestEvalDlg(EntryForm myRef)
		{
			myRef.modelessDlg = new TestStartEndForm(Config.Data.WMsCount, myRef.regReaders, startImages, endImages, disabled, refVolume, errLimLo, errLimHi);
			modelessDlg.Show();
		}

		/// <summary>Start this operation</summary>
		public void Start()
		{
			resultSaved = false;
			switch (currentOp)
            {
                case CurrentOp.ShowFormAtCycleBeginning:
					if (!entryFormCfg.EnterSerialNrsAtTheEnd)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenBeginningDlg), this);
					}
                    break;

                case CurrentOp.ShowFormAtCycleEnd:
					if (entryFormCfg.EnterSerialNrsAtTheEnd)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenBeginningDlg), this);
					}
					else if (entryFormCfg.ShowCycleEndForm)
					{
						Program.MainWnd.Invoke(new EntryFormDlgt(OpenEndDlg), this);
					}
                    break;

				case CurrentOp.TestStartStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenTestStartStatesDlg), this);
					break;

				case CurrentOp.TestEndStates:
					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 ((!entryFormCfg.EnterSerialNrsAtTheEnd && currentOp == CurrentOp.ShowFormAtCycleBeginning) ||
					 (entryFormCfg.EnterSerialNrsAtTheEnd && currentOp == CurrentOp.ShowFormAtCycleEnd))
				{
					CycleBeginningForm dlg = (modelessDlg as CycleBeginningForm);
					if (dlg != null)
					{
					    for (int i = 0; i < Math.Min(dlg.WaterMetersCount, waterMeters.Count); i++)
					    {
						    if (waterMeters[i] != null)
						    {
                                waterMeters[i].Disabled = disabled[i] = dlg.Disabled[i];
                                waterMeters[i].SerialNr = dlg.SNText[i];
                                if (!entryFormCfg.HideOrder && dlg.PurchaseOrder != null) waterMeters[i].PurchaseOrder = dlg.PurchaseOrder;
                            }
					    }
				    }
				}
				else if (currentOp == CurrentOp.ShowFormAtCycleEnd)
				{
					if (modelessDlg is CycleEndForm)
					{
						CycleEndForm dlg = (modelessDlg as CycleEndForm);
						int count = waterMeters.Count;
						if ((dlg != null) && (count > dlg.WaterMetersCount)) count = dlg.WaterMetersCount;

						for (int i = 0; i < count; i++)
						{
							if (waterMeters[i] != null)
							{
								/// In case entryFormCfg.ShowCycleEndForm == false dlg would be null, values would be string.Empty
								wmCycleEndState[i] = waterMeters[i].EndState = (dlg != null) ? dlg.EndStateText[i] : string.Empty;
							}
						}
					}
					else if (modelessDlg is CycleEndFormMunich)
					{
						CycleEndFormMunich dlg = (modelessDlg as CycleEndFormMunich);

						Sequences.ProcessData.BatchRslts.Batch.ProtocolTitle = dlg.ProtocolTitle;

						for (int i = 0; i < Math.Min(waterMeters.Count, dlg.WaterMetersCount); i++)
						{
							if (waterMeters[i] != null)
							{
								wmCycleEndState[i] = waterMeters[i].EndState = dlg.EndStateText[i];
								waterMeters[i].YearOfProduction = dlg.YearOfProduction[i];
							}
						}
					}
				}
                else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.TestStartStates)
				{
                    /// Fixed start/stop: test start
					TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        for (int i = 0; i < dlg.WaterMetersCount; i++)
                        {
                            wmStartState[i] = dlg.WMStartState[i];
                            wmStartStateStr[i] = dlg.WMStartStateStr[i];
                        }
                    }
                }
                else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.TestEndStates)
                {
                    /// Fixed start/stop: test end
                    TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
                    if (dlg != null)
                    {
                        for (int i = 0; i < dlg.WaterMetersCount; i++)
                        {
							wmEndState[i] = dlg.WMEndState[i];
                        }
                    }
                }
				else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.DeferredTestEval)
				{
					/// Fixed start/stop: deferred test evaluation
					TestStartEndForm dlg = (modelessDlg as TestStartEndForm);
					if (dlg != null)
					{
						for (int i = 0; i < dlg.WaterMetersCount; i++)
						{
							wmStartState[i] = dlg.WMStartState[i];
							wmStartStateStr[i] = dlg.WMStartStateStr[i];
							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;
		}
	}
}