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

namespace TBF.BenchControl.Elde.Diverter
{
	public class Diverter : ComponentBase, GenericDevices.IDiverter
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(Diverter));
        public override string ToString() { return string.Format("Diverter({0})", Cfg.ToString(1)); }

		readonly DiverterCfg diverterCfg;
		readonly ControlBoardDev controlBoard;
		readonly ulong mask;		    	/// derived from bitPosition in the constructor

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

		public Diverter(DiverterCfg cfg, IList<Generic.IComponent> components)
			: base(cfg)
		{
			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);

			/// Prepare data for SendCalibData() control board component method
			controlBoard.DiverterEdge[0] = (uint)diverterCfg.StartingLevel;
			controlBoard.DiverterEdge[1] = (uint)diverterCfg.StoppingLevel;

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


		#region Configuration Change Handling

		public static void OnCfgChange(object sender, CfgChangeArgs args)
		{
			if (CfgChangeHandler == null) return;
			try { CfgChangeHandler(sender, args); }
			catch (Exception e) { log.Error("CfgChangeHandler(...) failed", e); }
		}

		public static event EventHandler<CfgChangeArgs> CfgChangeHandler;

		public override void StartChangeHandler()
		{
			CfgChangeHandler += delegate(object sender, CfgChangeArgs args)
			{
				DiverterCfg tmpcfg = args.Cfg as DiverterCfg;
				if (tmpcfg != null && tmpcfg.Name.Equals(Name))
				{
					if (args.Command == CfgChangeCmd.CfgChange)
					{
						//diverterCfg.StableTimeMs = tmpcfg.StableTimeMs;
						//diverterCfg.FlowStableSec = tmpcfg.FlowStableSec;
					}
					//else if (args.Command == CfgChangeCmd.RVOpenStep)
					//{
					//    controlBoard.ValveMove(Idx1, RegulValveMode.PulseWidth, new float[2] { 2.0f, 2.0f }, StableTime);
					//    // TODO: avoid conflicts
					//    // TOTEST
					//}
					//else if (args.Command == CfgChangeCmd.RVCloseStep)
					//{
					//    controlBoard.ValveMove(Idx1, RegulValveMode.PulseWidth, new float[2] { -2.0f, -2.0f }, StableTime);
					//    // TODO: avoid conflicts
					//    // TOTEST
					//}
					//else if (args.Command == CfgChangeCmd.GetRVAdc1 || args.Command == CfgChangeCmd.GetRVAdc2)
					//{
					//    int adc = (int)controlBoard.AnalogInputRaw(Idx1 - 1, 0);
					//    // TOTEST
					//    DiverterCfgCtrl.OnCmdResponse(this, new CmdResponseArgs(args.Command, adc));
					//}
				}
			};
		}

		#endregion Configuration Change Handling
	}
}