///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using log4net;
using TBF.Boxes;

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

		readonly FlowMeterCfg flowMeterCfg;

        public double NominalFlow { get { return flowMeterCfg.NominalFlow; } }

        public double LtrPerPulse { get { return flowMeterCfg.NominalFlow / 7200.0f; } }

        public double LtrPerPulseCorrected(double flow, int rangeIx)
        {
            return flow;
        }

		public int Idx1 { get { return 1; } }


		public FlowMeter()
		{
		}

		public FlowMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
			: base(cfg)
		{
			flowMeterCfg = cfg as FlowMeterCfg;

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


        public double ReadFlow() { return 1.23; }
        public double ReadFrequency() { return 1.23 * 2000.0 / (double)NominalFlow; }

		/// <summary>
		/// Events:  FlowDone, Error
		/// </summary>
		/// <param name="flow">Reference to a variable for the flow in Bar</param>
		/// <returns>ReadFlowOp instance reference casted to IOperaton</returns>
		public IOperation ReadFlowOp(ref DoubleBox flow)
		{
			return new ReadFlowOp(this, ref flow);
		}

		/// <summary>
		/// Events:  flowDone, Error
		/// </summary>
		/// <param name="flow">Reference to a variable for the flow in Bar</param>
		/// <param name="flowDone">Event returned when measurement done</param>
		/// <returns>ReadFlowOp instance reference casted to IOperaton</returns>
		public IOperation ReadFlowOp(ref DoubleBox flow, Event flowDone)
		{
			return new ReadFlowOp(this, ref flow, flowDone);
		}
	}
}