///
/// Copyright (c) 2015 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.iPerl
{
	public class EntryForm : ComponentBase, IOperation, IDataEntry, IHasCycleBeginForm, IHasCycleEndForm, IHasWMStatesForm
	{
        private static readonly ILog log = LogManager.GetLogger(typeof(EntryForm));
        public override string ToString() { return string.Format("DataEntry.iPerl({0})", Cfg.ToString(1)); }

        readonly EntryFormCfg entryFormCfg;

		/// <summary>
		/// Properties set by the Begin, End and WMStates form
		/// </summary>
		string purchaseOrder;
		public string PurchaseOrder { get { return purchaseOrder; } }

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

		bool[] disabled;
		public bool Disabled(int wmNr) { return (wmNr >= 0 && wmNr < disabled.Length) ? disabled[wmNr] : false; }

		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;

		double refVolume;
		double errLimLo;
		double errLimHi;

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

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

		public enum CurrentOp
		{
			None,
			ShowFormAtCycleBeginning,
			ShowFormAtCycleEnd,
			EnterTestStartStates,
			EnterTestEndStates,
		}

		CurrentOp currentOp;


		public EntryForm()
		{
		}

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

			serialNr = new string[Config.Data.WMsCount];
			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.Debug(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.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.WaterMeters;
			return this;
		}

        /// <returns>Reference to the operation</returns>
        public IOperation ShowTestStartFormOp()
        {
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.EnterTestStartStates;
			return this;
		}

		/// <returns>Reference to the operation</returns>
		public IOperation ShowTestEndFormOp(double refVolume, double errLimLo, double errLimHi)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.EnterTestEndStates;
			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);
            modelessDlg.Show();
        }
        /// 
        void OpenEndDlg(EntryForm myRef)
        {
			myRef.modelessDlg = new CycleEndForm(Config.Data.WMsCount);
            modelessDlg.Show();
        }
		///
		void OpenTestStartStatesDlg(EntryForm myRef)
		{
			myRef.modelessDlg = new TestStartEndForm(Config.Data.WMsCount, disabled);
			modelessDlg.Show();
		}
		///
		void OpenTestEndStatesDlg(EntryForm myRef)
		{
			myRef.modelessDlg = new TestStartEndForm(Config.Data.WMsCount, wmStartStateStr, disabled, refVolume, errLimLo, errLimHi);
			modelessDlg.Show();
		}

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

					if (dlg != null)
					{
						purchaseOrder = dlg.PurchaseOrder;
					}
				}
				else if (currentOp == CurrentOp.ShowFormAtCycleEnd)
				{
				}
                else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.EnterTestStartStates)
				{
                }
				else if (modelessDlg is TestStartEndForm && currentOp == CurrentOp.EnterTestEndStates)
				{
				}
                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;
		}

        /// <summary>
        /// Updates test results with the information collected in watermeters.
        /// </summary>
        /// <param name="waterMeters">Watermetes with information entered in the forms</param>
        /// <param name="testResults">Test results to be updated with the information</param>
		public void UpdateTestResults(Results.BatchResults batchResults)
        {
            foreach (var wm in batchResults.WaterMeters)
            {
				if (wm != null && !wm.Disabled)
				{
					wm.PurchaseOrder = PurchaseOrder;

					if (Sequences.SequenceBase.WaterMeters != null &&
                        wm.WMPosition > 0 &&
                        wm.WMPosition <= Sequences.SequenceBase.WaterMeters.Count)
					{
						WaterMeters.iPerl.WaterMeter iPerl = Sequences.SequenceBase.WaterMeters[wm.WMPosition - 1] as WaterMeters.iPerl.WaterMeter;
						if (iPerl != null)
						{
#if IPERL
							wm.OrigCalibFactor = iPerl.OriginalCalibFactor;
							wm.CalibFactor = iPerl.CalibrationFactor;
							wm.Q2ErrWOCorrection = iPerl.Q2ErrorWOCorrection;
							wm.Q2CorrectionDone = iPerl.Q2CorrectionDone;
							wm.Q2Correction = iPerl.Q2CorrectionFactor;
							wm.Diff2Hz8Hz = iPerl.Diff2Hz8Hz;
							wm.Hz2CorrectionDone = iPerl.Hz2CorrectionDone;
							wm.Hz2Correction = iPerl.Hz2CorrectionFactor;

							if (iPerl.CalibrationStruct == null)
							{
								wm.Q2CorrFlowRight = 0;
							}
							else if (iPerl.CalibrationStruct.FlowArrow == WaterMeters.iPerl.FlowArrow.Left)
							{
								wm.Q2CorrFlowRight = iPerl.PositiveCounting ? 1 : 2;
							}
							else
							{
								wm.Q2CorrFlowRight = iPerl.PositiveCounting ? 2 : 1;
							}
#endif
						}
					}
				}
            }
        }
	}
}