using System;
using Aitex.Core.RT.DataCenter;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.Fsm;
using Aitex.Core.RT.OperationCenter;
using Aitex.Core.RT.Routine;
using Aitex.Core.Utilities;
using Aitex.Sorter.Common;
using MECF.Framework.Common.Equipment;
using MECF.Framework.Common.Schedulers;
using MECF.Framework.Common.SubstrateTrackings;
using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.Efems.Rorzes;
using MECF.Framework.RT.ModuleLibrary.AlignerModules;

namespace FutureEfemLib.Aligners
{
    public class AlignerModule : AlignerModuleBase
    {
        private FutureAligner _alignerDevice;

        public enum STATE
        {
            NotInstall,
            Init,
            Idle,
            Homing,
            MapWaferPresence,
            Error,
            NotConnect,
            InTransfer,
            Aligning,
        }

        public enum MSG
        {
            Home,
            Connected,
            Disconnected,
            MapWaferPresence,
            Align,
            Reset,
            Abort,
            Error,
            ToInit,
            InTransfer,
            TransferComplete
        }

        public event Action<string> OnEnterError;

        public override bool IsReady
        {
            get { return FsmState == (int)STATE.Idle && CheckAllMessageProcessed(); }
        }

        public override bool IsError
        {
            get { return FsmState == (int)STATE.Error; }
        }

        private bool _isInit;
        public override bool IsInit
        {
            get { return _isInit; }
        }

        private AlignerHomeRoutine _home;
        private AlignerAlignRoutine _align;


        public AlignerModule(ModuleName module) : base(1)
        {
            Name = module.ToString();

            Module = module.ToString();

            IsOnline = true;
        }
        public override bool Initialize()
        {
            InitRoutine();

            InitDevice();

            InitFsm();

            InitOp();

            InitData();

            return base.Initialize();
        }

        private void InitRoutine()
        {
            _home = new AlignerHomeRoutine(this);
            _align = new AlignerAlignRoutine(this);
        }

        public void InitDevice()
        {
            _alignerDevice = DEVICE.GetDevice<FutureAligner>($"{ModuleName.Aligner}.{ModuleName.Aligner}");
        }

        private void InitData()
        {
            DATA.Subscribe($"{Module}.Status", () => StringFsmStatus);
            DATA.Subscribe($"{Module}.IsOnline", () => IsOnline);

            DATA.Subscribe($"{Module}.WaferSize", () => WaferManager.Instance.GetWaferSize(ModuleHelper.Converter(Module), 0).ToString());
        }

        private void InitOp()
        {
            OP.Subscribe($"{Module}.Home", (string cmd, object[] args) => CheckToPostMessage((int)MSG.Home));
            OP.Subscribe($"{Module}.Reset", (string cmd, object[] args) => CheckToPostMessage((int)MSG.Reset));
            OP.Subscribe($"{Module}.Align", (string cmd, object[] args) => CheckToPostMessage((int)MSG.Align,args));
        }

        private void InitFsm()
        {
            EnumLoop<STATE>.ForEach((item) =>
            {
                MapState((int)item, item.ToString());
            });

            EnumLoop<MSG>.ForEach((item) =>
            {
                MapMessage((int)item, item.ToString());
            });
            EnableFsm(50, IsInstalled ? STATE.Init : STATE.NotInstall);

            //Error
            AnyStateTransition(MSG.Error, FsmOnError, STATE.Error);
            Transition(STATE.Error, MSG.Reset, FsmReset, STATE.Idle);
            EnterExitTransition<STATE, FSM_MSG>(STATE.Error, FsmEnterError, FSM_MSG.NONE, FsmExitError);

            //Init
            Transition(STATE.Init, MSG.Home, FsmStartHome, STATE.Homing);
            Transition(STATE.Error, MSG.Home, FsmStartHome, STATE.Homing);
            Transition(STATE.Idle, MSG.Home, FsmStartHome, STATE.Homing);
            Transition(STATE.Homing, FSM_MSG.TIMER, FsmMonitorHomeTask, STATE.Idle);
            Transition(STATE.Homing, MSG.Error, null, STATE.Init);
            Transition(STATE.Homing, MSG.Abort, FsmAbortTask, STATE.Init);

            AnyStateTransition(MSG.ToInit, FsmToInit, STATE.Init);

            //idle
            EnterExitTransition<STATE, FSM_MSG>(STATE.Idle, FsmEnterIdle, FSM_MSG.NONE, FsmExitIdle);

            //align
            Transition(STATE.Idle, MSG.Align, FsmStartAlign, STATE.Aligning);
            Transition(STATE.Aligning, FSM_MSG.TIMER, FsmMonitorAlignTask, STATE.Idle);
            Transition(STATE.Aligning, MSG.Error, null, STATE.Init);
            Transition(STATE.Aligning, MSG.Abort, FsmAbortTask, STATE.Init);
        }

        #region Service Functions

        public override bool Align(double angle)
        {
            return CheckToPostMessage((int)MSG.Align,angle);
        }

        public override bool Home(out string reason)
        {
            if (!CheckToPostMessage((int)MSG.Home))
            {
                reason = $"Can not home in {StringFsmStatus} status";
                return false;
            }
            reason = string.Empty;
            return true;
        }

        public override void Reset()
        {
            if (IsError)
            {
                if (_alignerDevice.IsError)
                {
                    _alignerDevice.Reset();
                }
                CheckToPostMessage((int)MSG.Reset);
            }

        }

        public override bool PrepareTransfer(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType, out string reason)
        {
            reason = string.Empty;
            return true;
        }

        public override bool TransferHandoff(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType, out string reason)
        {
            reason = string.Empty;
            return true;
        }

        public override bool PostTransfer(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType, out string reason)
        {
            reason = string.Empty;
            return true;
        }

        public override bool CheckReadyForTransfer(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType,
            out string reason)
        {
            reason = string.Empty;
            if (transferType == EnumTransferType.Pick)
            {
                return IsReady&&WaferManager.Instance.CheckHasWafer(Module, targetSlot);
            }
            if (transferType == EnumTransferType.Place)
            {
                return IsReady&&WaferManager.Instance.CheckNoWafer(Module, targetSlot);
            }

            return false;
        }

        public override void NoteTransferStart(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType)
        {

            //CheckToPostMessage(MSG.InTransfer);
        }

        public override void NoteTransferStop(ModuleName robot, Hand blade, int targetSlot, EnumTransferType transferType)
        {
            //if (FsmState == (int)STATE.InTransfer)
            //    CheckToPostMessage(MSG.TransferComplete);
        }




        private bool FsmReset(object[] param)
        {
            if (!_isInit)
            {
                PostMsg(MSG.ToInit);
                return false;
            }

            if (_alignerDevice.IsError)
            {
                EV.PostWarningLog(Module, $"{Module} in error, home to recover");

                PostMsg(MSG.ToInit);
                return false;
            }

            return true;
        }


        private bool FsmOnError(object[] param)
        {
            if (FsmState == (int)STATE.Error)
            {
                return false;
            }

            AbortRoutine();

            if (FsmState == (int)STATE.Init)
                return false;

            return true;
        }

        private bool FsmExitIdle(object[] param)
        {
            return true;
        }

        private bool FsmEnterIdle(object[] param)
        {
            return true;
        }

        private bool FsmExitError(object[] param)
        {
            return true;
        }

        private bool FsmEnterError(object[] param)
        {
            if (OnEnterError != null)
                OnEnterError(Module);
            return true;
        }

        private bool FsmAbortTask(object[] param)
        {
            AbortRoutine();
            return true;
        }

        private bool FsmStartHome(object[] param)
        {
            Result ret = StartRoutine(_home);
            if (ret == Result.FAIL || ret == Result.DONE)
                return false;

            _isInit = false;

            return ret == Result.RUN;
        }

        private bool FsmMonitorHomeTask(object[] param)
        {
            Result ret = MonitorRoutine();
            if (ret == Result.FAIL)
            {
                PostMsg(MSG.Error);
                return false;
            }

            if (ret == Result.DONE)
            {
                _isInit = true;
                return true;
            }

            return false;
        }

        private bool FsmStartAlign(object[] param)
        {
            _align.Init(Convert.ToDouble(param[0]));
            Result ret = StartRoutine(_align);
            if (ret == Result.FAIL || ret == Result.DONE)
                return false;

            _isInit = false;

            return ret == Result.RUN;
        }

        private bool FsmMonitorAlignTask(object[] param)
        {
            Result ret = MonitorRoutine();
            if (ret == Result.FAIL)
            {
                PostMsg(MSG.Error);
                return false;
            }

            if (ret == Result.DONE)
            {
                _isInit = true;
                return true;
            }

            return false;
        }

        private bool FsmToInit(object[] param)
        {
            return true;
        }

        private bool FsmToIdle(object[] param)
        {
            return true;
        }

        public override bool Lift(bool up)
        {
            return true;
        }

        #endregion
    }


}