using Aitex.Core.RT.Routine;
using Aitex.Core.RT.SCCore;
using MECF.Framework.Common.Equipment;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Venus_Core;
using Venus_RT.Devices;

namespace Venus_RT.Modules.TM
{
    class MFCoolingRoutine : ModuleRoutineBase, IRoutine
    {
        private enum CoolingStep
        {
            kDelay,
            kStopVent,
            kStartCooling,
            kWaitCoolingEnd,

            kEndCooling,
        }
        private int _coolingTime;
        private double _coolingMFCFlow;
        private readonly JetTM _JetTM;
        private Stopwatch _coolingStopWatch = new Stopwatch();

        public MFCoolingRoutine(JetTM jetTM, ModuleName mod) : base(mod)
        {
            _JetTM = jetTM;


        }
        public RState Start(params object[] objs)
        {
             _coolingMFCFlow = SC.GetValue<double>($"{Module}.Cooling.MFCFlow");
             _coolingTime    = SC.GetValue<int>($"{Module}.Cooling.CoolingTime");


            return Runner.Start(Module, Name);
        }

        public RState Monitor()
        {
            Runner .Delay(CoolingStep.kDelay,         1000)
                   .Run(CoolingStep.kStopVent,        StopVent)                  
                   .Run(CoolingStep.kStartCooling,    StartCooling)
                   .Wait(CoolingStep.kWaitCoolingEnd, CoolingIsEnd)
                   .End(CoolingStep.kEndCooling,      ResetCooling, NullFun);

            return Runner.Status;
        }
        private bool StopVent()
        {
            _JetTM.TurnVentValve(Module, false);
            _JetTM.TurnExhaustValve(Module, false);

            return true;
        }
        private bool StartCooling()
        {
            _JetTM.TurnPurgeValve(Module, true);
            _JetTM.TurnExhaustValve(Module, true);

            if (Module == ModuleName.LLA)
            {
                _JetTM.SetLLAFlow(_coolingMFCFlow);
            }
            else if (Module == ModuleName.LLB)
            {
                _JetTM.SetLLBFlow(_coolingMFCFlow);
            }
            _coolingStopWatch.Start();
            return true;
        }
        private bool CoolingIsEnd()
        {
            return _coolingStopWatch.ElapsedMilliseconds > _coolingTime * 1000;
        }

        private bool ResetCooling()
        {
            _coolingStopWatch.Reset();
            if (Module == ModuleName.LLA)
            {
                _JetTM.SetLLAFlow(0d);
            }
            else if (Module == ModuleName.LLB)
            {
                _JetTM.SetLLBFlow(0d);
            }
            _JetTM.TurnPurgeValve(Module, false);
            _JetTM.TurnExhaustValve(Module, false);

            return true;
        }
        public void Abort()
        {
            _coolingStopWatch.Reset();
            if (Module == ModuleName.LLA)
            {
                _JetTM.SetLLAFlow(0);
            }
            else if (Module == ModuleName.LLB)
            {
                _JetTM.SetLLBFlow(0);
            }
            _JetTM.TurnPurgeValve(Module, false);
            _JetTM.TurnExhaustValve(Module, false);
        }
    }
}