using System;
using System.Collections.Generic;
using log4net;

namespace TBF.BenchControl.Elde.Diverter
{
	public class Diverter : Generic.IComponent, GenericDevices.IDiverter
	{
		/// <summary>
		/// Info: StartMassMeasurement() and "Balance response = .., Mass = ..."
		/// Warn: Start measurement when busy is true
		/// </summary>
		private static readonly ILog log = LogManager.GetLogger(typeof(Diverter));
        public override string ToString()
		{
			return string.Format("Diverter({0},{1})", Name, diverterCfg.BitPosition);
		}

		public static void ResetStaticProperties() { }

		private readonly DiverterCfg diverterCfg;
		public Generic.IComponentCfg Cfg { get { return diverterCfg; } }

		public string Name { get { return diverterCfg.Name; } }
		
		readonly ControlBoardDev controlBoard;

		public readonly ulong Mask;		    	/// derived from bitPosition in the constructor


		public Diverter(DiverterCfg cfg, IList<Generic.IComponent> components)
		{
			if (cfg == null) throw new ArgumentNullException("cfg");
			this.diverterCfg = cfg;

			controlBoard = (ControlBoardDev)TbfComponents.FindComponent(cfg.ParentName, components);
			if (controlBoard == null) throw new Exception("Cannot find " + Name + " parent");

			if (cfg.BitPosition < 0 || cfg.BitPosition >= 64) throw new ArgumentOutOfRangeException("position");
			this.Mask = (((ulong)1) << cfg.BitPosition);

			log.Debug(this.ToString());
		}

		public bool State
		{
			get { return (controlBoard.Route & Mask) != 0; }
		}
	}
}