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 PMPurgeRoutine : PMRoutineBase, IRoutine
    {
        private enum PurgeStep
        {
            kCloseValvesExceptN2Purge,
            kPurgeVent,
            kStopVent,
            kCloseISOValve,
            kSoftPump,
            kFastPump,
            kOpenISOValve,
            kRoughPump,
            kCloseFastPump,
            kPurgeDelay,
            kEnd,
        }

        private readonly int _forelinePressure = 200;
        private int _purgeVentPressure = 1000;
        private int _roughPumpDownPressure = 75;
        private int _purgePumpTime = 60;
        private int _purgeCycleCount = 30;


        public PMPurgeRoutine(JetPM chamber) : base(chamber)
        {
            Name = "PM Purge";
        }

        public RState Start(params object[] objs)
        {
            if (CheckLidLoadLock() &&
                CheckSlitDoor() &&
                CheckDryPump() &&
                CheckTurboPump())
            {
                _purgeVentPressure = SC.GetValue<int>($"{Module}.Purge.PurgeVentPressure");
                _roughPumpDownPressure = SC.GetValue<int>($"{Module}.Purge.PurgePumpPressure");
                _purgePumpTime = SC.GetValue<int>($"{Module}.Purge.PurgePumpTime");
                _purgeCycleCount = SC.GetValue<int>($"{Module}.Purge.PurgeCycleCount");

                Reset();

                CloseValvesExceptN2Purge();

                return Runner.Start(Module, Name);
            }
            return RState.Failed;
        }
        public RState Monitor()
        {
            Runner.Delay((int)PurgeStep.kCloseValvesExceptN2Purge,              _delay_1s)
                .LoopStart((int)PurgeStep.kPurgeVent,       "Purge Cycle",      _purgeCycleCount,       OpenVentValves,                 () => { return _chamber.ChamberPressure >= _purgeVentPressure; })
                .LoopRun((int)PurgeStep.kStopVent,          CloseVentValves, _delay_1s)
                .LoopRun((int)PurgeStep.kCloseISOValve,     HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPumping, false),     _delay_1s)
                .LoopRun((int)PurgeStep.kSoftPump,          HOFs.WrapAction(_chamber.OpenValve, ValveType.SoftPump, true),              () => { return _chamber.ChamberPressure <= _roughPumpDownPressure; })
                .LoopRun((int)PurgeStep.kFastPump,          StartFastPump,                                                              () => { return _chamber.ForelinePressure <= _forelinePressure; })
                .LoopRun((int)PurgeStep.kOpenISOValve,      HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPumping, true),      _delay_1s)
                .LoopRun((int)PurgeStep.kRoughPump,         HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPurge, true),        _purgePumpTime * 1000)
                .LoopEnd((int)PurgeStep.kCloseFastPump,     HOFs.WrapAction(_chamber.OpenValve, ValveType.FastPump, false),             _delay_1s)
                .Delay((int)PurgeStep.kPurgeDelay,          _delay_1s)
                .End((int)PurgeStep.kEnd,                   FinalStep,                                                                  _delay_1s);


            return Runner.Status;
        }

        public void Abort()
        {
            CloseAllValves();
        }

        private void CloseValvesExceptN2Purge()
        {
            _chamber.OpenValve(ValveType.Guage, false);
            _chamber.OpenValve(ValveType.SoftPump, false);
            _chamber.OpenValve(ValveType.FastPump, false);

            _chamber.TurnPendulumValve(false);

            _chamber.OpenValve(ValveType.GasFinal, false);
            _chamber.OpenValve(ValveType.N2, false);
            _chamber.OpenValve(ValveType.PVN22, false);

            _chamber.OpenValve(ValveType.TurboPumpPumping, true);
            _chamber.OpenValve(ValveType.TurboPumpPurge, true);
        }

        private bool OpenVentValves()
        {
            _chamber.OpenValve(ValveType.GasFinal, true);
            _chamber.OpenValve(ValveType.N2, true);
            _chamber.OpenValve(ValveType.PVN22, true);

            return true;
        }

        private bool CloseVentValves()
        {
            _chamber.OpenValve(ValveType.GasFinal, false);
            _chamber.OpenValve(ValveType.N2, false);
            _chamber.OpenValve(ValveType.PVN22, false);
            _chamber.OpenValve(ValveType.TurboPumpPurge, false);

            return true;
        }

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

            return true;
        }

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

            return true;
        }
    }
}