///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;
using log4net;
using TBF.Boxes;

namespace TBF.BenchControl.Elde.FixedStartRegisterReader
{
	public class ReadReferenceForRegisterOp : IOperation
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(ReadReferenceForRegisterOp));
		public override string ToString() { return string.Format("ReadWaterMeterOp(.,{0},.)", eventDone); }

		/// Set by the constructor
		readonly ControlBoardDev controlBoard;
		readonly Event eventDone;
        IntBox pulses;

		/// <summary>
		/// Events:   or Error
		/// </summary>
		/// <param name="register">Flow meter reference</param>
		/// <param name="flow">Reference to the measured flow variable, value is in bar</param>
		/// <param name="eventDone">Event to be returned by Run() when completed OK</param>
        public ReadReferenceForRegisterOp(RegisterReader register, ref IntBox pulses, Event eventDone)
        {
			if (register == null) throw new ArgumentNullException("register");
			this.controlBoard = register.ControlBoard;
			this.eventDone = eventDone;
			this.pulses = pulses;

			log.Debug(this.ToString());
        }
        public ReadReferenceForRegisterOp(RegisterReader register, ref IntBox pulses)
			: this(register, ref pulses, Event.ReadReferenceDone)
		{
		}

		/// <summary>Start this operation</summary>
		public void Start()
        {
		}

		/// <summary>Run this operation</summary>
		/// <returns>
		///		Event.FlowInDone or Event.FlowOutDone
		/// </returns>
		public Event Run()
		{
			pulses.Val = controlBoard.EtPulses(0);
			return eventDone;
		}

		/// <summary>Stop this operation</summary>
		public void Stop()
		{
		}
	}
}