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
        {
            kStart,
            kCloseValvesExceptN2Purge,
            kPurgeVent,
            kStopVent,
            kCloseISOValve,
            kSoftPump,
            kFastPump,
            kCloseFastPump,
            kOpenISOValve,
            kOpenVATValve,
            kOpenV8N2Purge,
            kCloseVATValve,
            kEnd,
        }

        public int PurgeCounter { get; private set; }

        private readonly int _pumpingTargetPressure = 200;
        private int _purgeVentPressure = 1000;
        private int _roughPumpDownPressure = 75;
        private int _purgePumpTime = 60;
        private int _purgeCycleCount = 30;
        private JetChamber jetChamber = JetChamber.None;
        private bool needsoft = true;


        public PMPurgeRoutine(JetPMBase chamber) : base(chamber)
        {
            jetChamber = (JetChamber)SC.GetValue<int>($"{chamber.Name}.ChamberType");
            Name = "PM Purge";
            if (jetChamber == JetChamber.VenusDE)
            {
                needsoft = false;
            }
        }

        public RState Start(params object[] objs)
        {
            if (CheckLid() &&
                CheckSlitDoor() &&
                CheckDryPump() &&
                CheckTurboPump())
            {
                _purgeVentPressure = SC.GetValue<int>($"{Module}.Purge.PurgeVentPressure");
                _roughPumpDownPressure = SC.GetValue<int>($"{Module}.Purge.PurgePumpPressure") * 1000;
                _purgePumpTime = SC.GetValue<int>($"{Module}.Purge.PurgePumpTime");
                _purgeCycleCount = SC.GetValue<int>($"{Module}.Purge.PurgeCycleCount");

                Reset();

                //CloseValvesExceptN2Purge();

                PurgeCounter = 0;
                return Runner.Start(Module, Name);
            }
            return RState.Failed;
        }
        public RState Monitor()
        {
            Runner.Delay(PurgeStep.kStart,              _delay_1s)
                .LoopStart(PurgeStep.kCloseValvesExceptN2Purge,       "Purge Cycle",      _purgeCycleCount,                        CloseValvesExceptN2Purge,           _delay_5s)
                .LoopRun(PurgeStep.kPurgeVent,         OpenVentValves,                                                             () => { return _chamber.ChamberPressure >= _purgeVentPressure; })
                .LoopRun(PurgeStep.kStopVent,          CloseVentValves,                                                            _delay_2s)
                .LoopRun(PurgeStep.kCloseISOValve,     HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPumping, false),     _delay_2s)
                .LoopRunIf(PurgeStep.kSoftPump, needsoft,   HOFs.WrapAction(_chamber.OpenValve, ValveType.SoftPump, true),              () => { return _chamber.ChamberPressure <= _roughPumpDownPressure; })
                .LoopRun(PurgeStep.kFastPump,          StartFastPump,                                                              () => { return _chamber.ChamberPressure <= _pumpingTargetPressure; })
                .LoopRun(PurgeStep.kCloseFastPump,     HOFs.WrapAction(_chamber.OpenValve, ValveType.FastPump, false),             _delay_2s)
                .LoopRun(PurgeStep.kOpenISOValve,      HOFs.WrapAction(_chamber.OpenValve, ValveType.TurboPumpPumping, true),      _delay_2s)
                .LoopRun(PurgeStep.kOpenVATValve,      HOFs.Apply(_chamber.TurnPendulumValve, true),                               _delay_5s)
                .LoopRun(PurgeStep.kOpenV8N2Purge,     OpenV8N2Purge,                                                              (_purgePumpTime - 5) * 1000)
                .LoopEnd(PurgeStep.kCloseVATValve,     CloseVATValve,                                                              _delay_1s)
                .End(PurgeStep.kEnd,                   NullFun,                                                                    _delay_1s);

            return Runner.Status;
        }

        public void Abort()
        {
            CloseAllValves();
        }

        private bool 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, true);
            _chamber.OpenValve(ValveType.TurboPumpPumping, true);
            _chamber.OpenValve(ValveType.TurboPumpPurge, true);

            return true;
        }

        private bool OpenVentValves()
        {
            _chamber.OpenValve(ValveType.GasFinal, true);
            _chamber.OpenValve(ValveType.N2, 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 OpenV8N2Purge()
        {
            _chamber.OpenValve(ValveType.Guage, true);
            _chamber.OpenValve(ValveType.TurboPumpPurge, true);

            return true;
        }

        private bool CloseVATValve()
        {
            _chamber.TurnPendulumValve(false);
            PurgeCounter++;
            return true;
        }
    }
}