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

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

		readonly PressureMeterCfg pressureMeterCfg;

		public readonly ControlBoardDev ControlBoard;

		public readonly int Idx0;			/// 0..3
        public readonly byte RS485Address;  /// 0..255

		public PressureMeter()
		{
		}

		public PressureMeter(PressureMeterCfg cfg, IList<Generic.IComponent> components)
            : base(cfg)
		{
			pressureMeterCfg = cfg;

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

			Idx0 = cfg.Idx0;
			RS485Address = cfg.RS485Address;

			/// Prepare data for SendCalibData() control board component method
			ControlBoard.MeretRS485Address[Idx0] = RS485Address;

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


        /// <summary>
        /// Returns the water pressure
        /// </summary>
        /// <returns>Pressure in mBar</returns>
        public float ReadPressure()
        {
            return 0.01F * ControlBoard.Pressure(Idx0);     /// converted from [kPa] to [bar]
        }


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

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