using System;
using System.Collections.Generic;
using TBF.BenchControl;
using TBF.BenchControl.GenericDevices;

namespace TBF.BenchControl.DataEntry.Munich
{
	public class EntryForm : Generic.IComponent, IOperation, GenericDevices.IDataEntry, GenericDevices.IHasProtocolTitle
	{
		readonly EntryFormCfg entryFormCfg;
		public Generic.IComponentCfg Cfg { get { return entryFormCfg; } }

		public static void ResetStaticProperties() { }

		public string Name { get { return entryFormCfg.Name; } }

		/// <summary>
		/// Properties set by the Begin and the End form
		/// </summary>
		public string MainBeginStateText { get { return mainBeginStateText; } }
		string mainBeginStateText;

		public string AuxBegintateText { get { return auxBeginStateText; } }
		string auxBeginStateText;

		public string ProtocolTitle { get { return protocolTitle; } }
		string protocolTitle;


        System.Windows.Forms.Form modelessDlg;

		IList<GenericDevices.IWaterMeter> waterMeters;

		public enum CurrentOp
		{
			None,
			ShowFormAtCycleBeginning,
			ShowFormAtCycleEnd,
		}

		CurrentOp currentOp;

		public EntryForm(EntryFormCfg cfg)
		{
			if (cfg == null) throw new ArgumentNullException("cfg");
			this.entryFormCfg = cfg;
			currentOp = CurrentOp.None;
		}

		/// <returns>Reference to the operation</returns>
		public IOperation ShowFormAtCycleBeginningOp(IList<GenericDevices.IWaterMeter> waterMeters)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.ShowFormAtCycleBeginning;
			this.waterMeters = waterMeters;
			return this;
		}

		/// <returns>Reference to the operation</returns>
		public IOperation ShowFormAtCycleEndOp(IList<GenericDevices.IWaterMeter> waterMeters)
		{
			if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
			currentOp = CurrentOp.ShowFormAtCycleEnd;
			this.waterMeters = waterMeters;
			return this;
		}

        delegate void EntryFormDlgt(EntryForm myRef);
        /// 
        void OpenBeginningDlg(EntryForm myRef)
        {
            myRef.modelessDlg = new CycleBeginningForm();
            modelessDlg.Show();
        }
        /// 
        void OpenEndDlg(EntryForm myRef)
        {
			CycleEndForm endForm = new CycleEndForm();
			endForm.ProtocolName1 = entryFormCfg.ProtocolTitle1;
			endForm.ProtocolName2 = entryFormCfg.ProtocolTitle2;
			endForm.ProtocolName3 = entryFormCfg.ProtocolTitle3;
			myRef.modelessDlg = endForm;
            modelessDlg.Show();
        }

		/// <summary>Start this operation</summary>
		public void Start()
		{
            switch (currentOp)
            {
                case CurrentOp.ShowFormAtCycleBeginning:
                    Program.MainWnd.Invoke(new EntryFormDlgt(OpenBeginningDlg), this);
                    break;
                case CurrentOp.ShowFormAtCycleEnd:
					Program.MainWnd.Invoke(new EntryFormDlgt(OpenEndDlg), this);
                    break;
            }
		}

		/// <summary>Run this operation</summary>
		/// <returns>Event.ResultsPrinted</returns>
		public Event Run()
		{
			if (!(modelessDlg as GenericDevices.IHasCompleted).Completed) return Event.None;

			if (modelessDlg is CycleBeginningForm)
			{
				if (waterMeters.Count >= 1 && waterMeters[0] != null)
				{
					mainBeginStateText = (modelessDlg as CycleBeginningForm).MainStateText;
					waterMeters[0].SerialNr = (modelessDlg as CycleBeginningForm).MainSNText;
				}
				if (waterMeters.Count >= 2 && waterMeters[1] != null)
				{
					auxBeginStateText = (modelessDlg as CycleBeginningForm).AuxStateText;
					waterMeters[1].SerialNr = (modelessDlg as CycleBeginningForm).AuxSNText;
				}
			}
			else
			{
				if (waterMeters.Count >= 1 && waterMeters[0] != null)
				{
					waterMeters[0].EndState = (modelessDlg as CycleEndForm).MainStateText;
				}
				if (waterMeters.Count >= 2 && waterMeters[1] != null)
				{
					waterMeters[1].EndState = (modelessDlg as CycleEndForm).AuxStateText;
				}
				protocolTitle = (modelessDlg as CycleEndForm).ProtocolTitle;
			}
			return Event.Done;
		}

		/// <summary>Stop this operation</summary>
		public void Stop()
		{
            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="results">Test results to be updated with the information</param>
        public void UpdateTestResults(IList<IWaterMeter> waterMeters, IList<Entities.TestResult> results)
        {
            foreach (var test in results)
            {
                if (test.MetersKind != Entities.MetersKind.Combined) continue;

                //TODO
            }
        }
    }
}