using System;
using Aitex.Core.RT.Routine;
using Aitex.Core.RT.SCCore;
using Venus_RT.Devices;
using MECF.Framework.Common.Routine;
using Venus_Core;

namespace Venus_RT.Modules.PMs
{
    class PumpDownRoutine : PMRoutineBase, IRoutine
    {
        private enum PumpStep
        {
            kDelay_2s,
            kCloseISOValve,
            kSoftPump,
            kFastPump,
            kPVHe2,
            kISOValve,
            kTurboN2Purge,
            kVATValve,
            kOpenTurboPumpPurgeGasFinal,
            kFinalStep,
            kEnd,
        }

        //private int _ventTime;
        private int _pump_delay = 5000;
        private int _roughPumpPressure = 75000;
        private int _vHe2FlowPressure = 200;
        private int _basePressure = 10;
        private JetChamber jetChamber = JetChamber.None;
        public PumpDownRoutine(JetPMBase chamber) : base(chamber)
        {
            jetChamber = (JetChamber)SC.GetValue<int>($"{chamber.Name}.ChamberType");
            Name = "PumpDown";
        }

        public RState Start(params object[] objs)
        {
            if (CheckLid() &&
                CheckSlitDoor())
            {
                Reset();
                _chamber.CloseValves();

                _roughPumpPressure = SC.GetValue<int>($"{Module}.Pump.PumpCrossingPressure") * 1000;
                _vHe2FlowPressure = SC.GetValue<int>($"{Module}.Pump.PumpVHe2FlowPressure");
                _pump_delay = SC.GetValue<int>($"{Module}.Pump.PumpValveDelay") * 1000;
                _basePressure = (objs.Length >= 1) ? Convert.ToInt32(objs[0]) : SC.GetValue<int>($"{Module}.Pump.PumpBasePressure");

                _chamber.OpenValve(ValveType.PVN22, true);
                _chamber.OpenValve(ValveType.TurboPumpPumping, true);
                _chamber.TurnPendulumValve(false);
                if (jetChamber == JetChamber.Venus)
                {
                    _chamber.OpenValve(ValveType.HeISO, false);
                    _chamber.OpenValve(ValveType.PVHe3, false);

                }
                return Runner.Start(Module, Name);
            }

            return RState.Failed;
        }
        public RState Monitor()
        {
            Runner.Delay(PumpStep.kDelay_2s,            _delay_2s)
                .Run(PumpStep.kCloseISOValve,           HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPumping, false),     _delay_2s)
                .Run(PumpStep.kSoftPump,                HOFs.WrapAction(_chamber.OpenValve, ValveType.SoftPump, true),              () => { return _chamber.ChamberPressure < _roughPumpPressure; })
                .Run(PumpStep.kFastPump,                OpenFastPump,       () => { return _chamber.ChamberPressure < _vHe2FlowPressure; })
                .Run(PumpStep.kPVHe2,                   OpenHe2Valve,           _delay_2s)
                .Run(PumpStep.kISOValve,                OpenISOValve,           _delay_2s)
                .Run(PumpStep.kVATValve,                OpenVATValve,           _delay_5s)
                .Run(PumpStep.kOpenTurboPumpPurgeGasFinal, () => 
                {
                    _chamber.OpenValve(ValveType.TurboPumpPurge, true);
                    _chamber.OpenValve(ValveType.GasFinal, true);
                    return true;
                }, 3000)
                .Run(PumpStep.kFinalStep,               FinalStep,                                                              () => { return _chamber.ChamberPressure < _basePressure; })
                .End(PumpStep.kEnd,                     NullFun,                                                                _delay_1s);

            return Runner.Status;
        }

        private bool OpenFastPump()
        {
            _chamber.OpenValve(ValveType.SoftPump, false);
            _chamber.OpenValve(ValveType.FastPump, true);

            return true;
        }

        private bool OpenHe2Valve()
        {
            _chamber.OpenValve(ValveType.FastPump, false);
            _chamber.OpenValve(ValveType.PVHe2, true);

            return true;
        }

        private bool OpenISOValve()
        {
            
            _chamber.OpenValve(ValveType.PVHe2, false);

            // ISO Valve
            _chamber.OpenValve(ValveType.TurboPumpPumping, true);

            return true;
        }

        private bool OpenVATValve()
        {
            return _chamber.TurnPendulumValve(true);
        }

        private bool FinalStep()
        {
            _chamber.OpenValve(ValveType.Guage, true);

            //2023/04/25修改
            //_chamber.OpenValve(ValveType.TurboPumpPurge, true);
            //_chamber.OpenValve(ValveType.GasFinal, true);

            return true;
        }

        public void Abort()
        {
            CloseAllValves();
        }
    }
}