///
/// Copyright (c) 2013-2015 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.WMStates
{
    public class EntryForm : ComponentBase, IOperation, IDataEntry, IHasWMStatesForm
	{
        private static readonly ILog log = LogManager.GetLogger(typeof(EntryForm));
        public override string ToString() { return string.Format("DataEntry.WMStates({0})", Cfg.ToString(1)); }

		public bool UsesCameras() { return false; }

        readonly EntryFormCfg entryFormCfg;

        /// <summary>
        /// Test start water meter states set by forms
        /// </summary>
        double[] wmStartState;
		public double WMStartState(int wmNr)
        {
            if (wmStartState == null || wmStartState.Length <= wmNr) return 0;
            return wmStartState[wmNr];
        }

		/// <summary>
		/// Test end water meter states set by forms
		/// </summary>
		double[] wmEndState;
		public double WMEndState(int wmNr)
		{
			if (wmEndState == null || wmEndState.Length <= wmNr) return 0;
			return wmEndState[wmNr];
		}

        /// <summary> Not supported </summary>
		public void UpdateTestResults(Results.BatchResults results)
        {
        }


        System.Windows.Forms.Form modelessDlg;

		bool resultSaved;

		public enum CurrentOp
		{
			None,
			EnterWMSNsAndStates,
			EnterTestStartStates,
			EnterTestEndStates,
		}

		CurrentOp currentOp;


		public EntryForm()
		{
		}

		public EntryForm(Generic.IComponentCfg cfg)
            : base(cfg)
		{
            entryFormCfg = cfg as EntryFormCfg;
			wmStartState = new double[Config.Data.WMsCount];
			currentOp = CurrentOp.None;
            log.Debug(this.ToString());
        }

        /// <returns>Reference to the operation</returns>
        public IOperation ShowCycleBeginFormOp(IList<IWaterMeter> waterMeters)
        {
            return null;
        }

        /// <returns>Reference to the operation</returns>
        public IOperation ShowCycleEndFormOp(IList<IWaterMeter> waterMeters)
        {
            return null;
        }

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

        delegate void EntryFormDlgt(EntryForm myRef);
        /// 
		void OpenWMSNsAndStatesDlg(EntryForm myRef)
        {
            myRef.modelessDlg = new WMSNsAndStatesForm(Config.Data.WMsCount);
            modelessDlg.Show();
        }
        ///
		void OpenWMStatesDlg(EntryForm myRef)
        {
            myRef.modelessDlg = new WMStatesForm(Config.Data.WMsCount);
            modelessDlg.Show();
        }

		/// <summary>Start this operation</summary>
		public void Start()
		{
			resultSaved = false;
			switch (currentOp)
            {
                case CurrentOp.EnterWMSNsAndStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenWMSNsAndStatesDlg), this);
                    break;
                case CurrentOp.EnterTestStartStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenWMStatesDlg), this);
                    break;
				case CurrentOp.EnterTestEndStates:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenWMStatesDlg), 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 WMSNsAndStatesForm)
				{
					WMSNsAndStatesForm dlg = (modelessDlg as WMSNsAndStatesForm);

                    if (dlg.WaterMetersCount > 0) wmStartState[0] = dlg.WMState[0];
                    if (dlg.WaterMetersCount > 1) wmStartState[1] = dlg.WMState[1];
                    if (dlg.WaterMetersCount > 2) wmStartState[2] = dlg.WMState[2];
                    if (dlg.WaterMetersCount > 3) wmStartState[3] = dlg.WMState[3];
                    if (dlg.WaterMetersCount > 4) wmStartState[4] = dlg.WMState[4];
                    if (dlg.WaterMetersCount > 5) wmStartState[5] = dlg.WMState[5];

					//if (dlg.WaterMetersCount > 0) serialNr[0] = dlg.SNText[0];
					//if (dlg.WaterMetersCount > 1) serialNr[1] = dlg.SNText[1];
					//if (dlg.WaterMetersCount > 2) serialNr[2] = dlg.SNText[2];
					//if (dlg.WaterMetersCount > 3) serialNr[3] = dlg.SNText[3];
					//if (dlg.WaterMetersCount > 4) serialNr[4] = dlg.SNText[4];
					//if (dlg.WaterMetersCount > 5) serialNr[5] = dlg.SNText[5];
				}
				else if (modelessDlg is WMStatesForm && currentOp == CurrentOp.EnterTestStartStates)
				{
					WMStatesForm dlg = (modelessDlg as WMStatesForm);

					if (dlg.WaterMetersCount > 0) wmStartState[0] = dlg.WMState[0];
                    if (dlg.WaterMetersCount > 1) wmStartState[1] = dlg.WMState[1];
                    if (dlg.WaterMetersCount > 2) wmStartState[2] = dlg.WMState[2];
                    if (dlg.WaterMetersCount > 3) wmStartState[3] = dlg.WMState[3];
                    if (dlg.WaterMetersCount > 4) wmStartState[4] = dlg.WMState[4];
                    if (dlg.WaterMetersCount > 5) wmStartState[5] = dlg.WMState[5];
				}
				else if (modelessDlg is WMStatesForm && currentOp == CurrentOp.EnterTestEndStates)
				{
					WMStatesForm dlg = (modelessDlg as WMStatesForm);

					if (dlg.WaterMetersCount > 0) wmEndState[0] = dlg.WMState[0];
					if (dlg.WaterMetersCount > 1) wmEndState[1] = dlg.WMState[1];
					if (dlg.WaterMetersCount > 2) wmEndState[2] = dlg.WMState[2];
					if (dlg.WaterMetersCount > 3) wmEndState[3] = dlg.WMState[3];
					if (dlg.WaterMetersCount > 4) wmEndState[4] = dlg.WMState[4];
					if (dlg.WaterMetersCount > 5) wmEndState[5] = dlg.WMState[5];
				}
				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;
		}
	}
}