///
/// Copyright (c) 2022 Sensus Slovensko a.s.
///
using System;
using log4net;
using TBF.Boxes;

namespace TBF.Rig.Modbus.TempControl.Novus
{
    public enum SetpSource
    {
        TempArgument,
        ProcParamA,
        ProcParamB,
        ProcParamC,
        ProcParamD,
        ProcParamE
    }

	public class SetTemperatureSetpointOp : IOperation
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(SetTemperatureSetpointOp));
        public override string ToString() { return string.Format("SetTemperatureSetpointOp({0})", eventDone); }

		/// Set by the constructor
		readonly TControl tempControl;
        readonly SetpSource spSrc;
        readonly double temperature;
		readonly Event eventDone;

		/// <summary>
		/// Events:  PressureInDone, PressureOutDone or Error
		/// </summary>
		/// <param name="tempControl">Temp. controller reference</param>
		/// <param name="eventDone">Event to be returned by Run() when completed OK</param>
        public SetTemperatureSetpointOp(TControl tempControl, SetpSource spSrc, double temperature, Event eventDone = Event.ConditionNotMet)
        {
			if (tempControl == null) throw new ArgumentNullException("tempControl");
			this.tempControl = tempControl;
            this.spSrc = spSrc;
            this.temperature = temperature;
			this.eventDone = eventDone;

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

		/// <summary>Start this operation</summary>
		public void Start()
        {
            double selectedTemp;
            switch (spSrc)
            {
                default:
                case SetpSource.TempArgument: selectedTemp = temperature; break;
                case SetpSource.ProcParamA:   selectedTemp = tempControl.ProcParamA; break;
                case SetpSource.ProcParamB:   selectedTemp = tempControl.ProcParamB; break;
                case SetpSource.ProcParamC:   selectedTemp = tempControl.ProcParamC; break;
                case SetpSource.ProcParamD:   selectedTemp = tempControl.ProcParamD; break;
                case SetpSource.ProcParamE:   selectedTemp = tempControl.ProcParamE; break;
            }

            tempControl.SetTemperatureSetpoint(selectedTemp);
        }

		/// <summary>Run this operation</summary>
		public Event Run()
		{
			return eventDone;
		}

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