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

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

		readonly EasythermCfg easythermCfg;
	    readonly GenericDevices.IModbus modbus;

        private ushort temperatureSetpoint;

		public Easytherm()
		{
		}

		public Easytherm(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
            : base(cfg)
		{
			easythermCfg = cfg as EasythermCfg;

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

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

        /// <summary>Initialize this device</summary>
        public void Initialize()
        {
        }

        /// <summary>Run this device</summary>
        public void RunDeviceBefore()
        {
        }

        /// <summary>Run this device</summary>
        public void RunDeviceAfter()
        {
        }

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

		/// <summary>
		/// Set outputs of QuidoRS board
		/// </summary>
		/// <param name="temperature">output value</param>
		public void SetTemperature(ushort temperature)
		{
            temperatureSetpoint = temperature;
            SendTemperature(temperatureSetpoint);
        }

        private void SendTemperature(ushort temperatureSetpoint)
		{
            byte[] msg = new byte[8];

			msg[0] = easythermCfg.ModbusAddress;
			msg[1] = (byte)Function.PresetSingleRegister;
			msg[2] = 0;										/// Relative address Hi
			msg[3] = 2;										/// Relative address Lo
			msg[4] = (byte)(temperatureSetpoint >> 8);		/// Output data Hi
			msg[5] = (byte)(temperatureSetpoint & 0xFF);	/// Output data Lo

			modbus.SendMessage(msg);
		}


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

		/// <summary>
		/// Events:  pressureDone, Error
		/// </summary>
		/// <param name="outValue">Reference to a variable for the pressure in Bar</param>
		/// <param name="setOutputsDone">Event returned when SetOutput is done</param>
		/// <returns>SetOutputsOp instance reference casted to IOperaton</returns>
		public IOperation ReadTemperatureOp(ushort outValue, Event setOutputsDone)
		{
			return new ReadTemperatureOp(this, outValue, setOutputsDone);
		}
	}
}