using System;
using System.Xml;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Device.Unit;
using Aitex.Core.RT.OperationCenter;

namespace Aitex.Core.RT.Device.Unit
{
    public class IoGasStick : BaseDevice, IDevice
    {
        private readonly IoValve _DownValve;
        private readonly MfcBase1 _mfc;

        // Properties
        //
        public double FlowSP
        {
            get => _mfc.SetPoint;
            //set => _mfc.SetPoint = value;
        }

        public bool IsOutOfRange => _mfc.IsOutOfTolerance;

        // Constructor
        //
        public IoGasStick(string module, XmlElement node, string ioModule = "")
        {
            base.Module   = module;
            base.Name     = node.GetAttribute("id");
            base.Display  = node.GetAttribute("display");
            base.DeviceID = node.GetAttribute("schematicId");

            _DownValve    = ParseDeviceNode<IoValve>(Module, "downvalve", node);
            _mfc          = ParseDeviceNode<MfcBase1>(Module, "mfc", node);
        }

        public bool Initialize()
        {
            OP.Subscribe($"{Module}.{_mfc.Name}", (out string reason, int time, object[] para) =>
            {
                reason = "";
                double sp = Convert.ToDouble((string)para[0]);
                Flow(sp);
                return true;
            });
            return true;
        }

        public void Flow(double setpoint)
        {
            if (setpoint >= 0.01)
            {
                _DownValve.TurnValve(true, out _);
                //this.FlowSP = setpoint;
            }
            else
            {
                _DownValve.TurnValve(false, out _);
            }
            _mfc.Ramp(setpoint, 1000);
        }

        public void Monitor()
        {
            _DownValve.Monitor();
            _mfc.Monitor();
        }

        public void Terminate()
        {
        }

        public void Reset()
        {
        }

        public void Stop()
        {
            _DownValve.TurnValve(false, out _);
            _mfc.Ramp(0, 1000);
        }
    }
}