using Aitex.Core.RT.DataCenter;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Device.Unit;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.OperationCenter;
using Aitex.Core.RT.SCCore;
using Aitex.Core.Util;
using Aitex.Core.Utilities;
using Aitex.Sorter.Common;
using MECF.Framework.Common.Alarms;
using MECF.Framework.Common.Device.Bases;
using MECF.Framework.Common.Equipment;
using MECF.Framework.Common.Schedulers;
using MECF.Framework.Common.SubstrateTrackings;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FurnaceRT.Equipments.Stockers
{
    public partial class StockerModule : StockerModuleBase
    {
        public enum STATE
        {
            NotInstall,

            NotConnected,

            Idle,

            Error,

            InTransfer,
        }

        public enum MSG
        {
            Home,

            Disconnected,

            Connected,

            Reset,

            Abort,

            Error,

            InTransfer,

            TransferComplete,
        }

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

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

        public override bool IsInit
        {
            get { return false; }
        }
        public bool IsFoupPresent
        {
            get
            {
                if (SC.GetValue<bool>("System.IsSimulatorMode"))
                    return CarrierManager.Instance.HasCarrier(Module);

                return _diStationCassettePresent == null ? false : _diStationCassettePresent.Value;
            }
        }

        public bool IsCassetteHasWafer { get; set; }

        public StockerModule(ModuleName module) : base(SC.GetValue<int>("System.CassetteSlotCount"))
        {
            Name = module.ToString();

            Module = module.ToString();
            if (!SC.ContainsItem($"System.Stocker.{Module}WaferType"))
            {
                WaferType = "None";
            }
            else
            {
                WaferType = SC.GetStringValue($"System.Stocker.{Module}WaferType");
            }
            IsOnline = true;

            SetDisplayName();
        }
        public override bool Initialize()
        {
            InitRoutine();

            InitDevice();

            InitFsm();

            InitOp();

            InitData();

            Singleton<EventManager>.Instance.OnAlarmEvent += Instance_OnAlarmEvent;

            return base.Initialize();
        }
        private void Instance_OnAlarmEvent(EventItem item)
        {
            if (item != null && item.Level == EventLevel.Alarm && (item.Source == Name || item.Source == Module))
            {
                DEVICE.GetDevice<SignalTowerBase>("System.SignalTower")?.Reset();
                LOG.Write($"{item.Source} {item.EventEnum} {item.Description}\n");
                PostMsg(MSG.Error);
            }
        }
        private void InitRoutine()
        {
        }

       

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

            DATA.Subscribe(Name, "CassetteHasWafer", () => IsCassetteHasWafer);
            DATA.Subscribe(Name, "LotID", () => CarrierManager.Instance.CheckHasCarrier(Module, 0) ? CarrierManager.Instance.GetCarrier(Module, 0).LotId : "");
            DATA.Subscribe(Name, "CarrierType", () => CarrierManager.Instance.CheckHasCarrier(Module, 0) ? CarrierManager.Instance.GetCarrier(Module, 0).CarrierType : CarrierType.None);
        }

        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}.AlarmAction", (string cmd, object[] args) =>
            {
                Enum.TryParse(args[0].ToString(), out AlarmAction alarmAction);
                string eventName = null;
                if (args.Length > 1)
                    eventName = args[1].ToString();
                if (eventName != null)
                {
                    EV.ClearAlarmEvent(eventName);

                    var item = _triggeredAlarmList.FirstOrDefault(x => x.EventEnum == eventName);
                    if (item != null)
                    {
                        item.Reset();
                        _triggeredAlarmList.Remove(item);
                    }

                    if (item != null)
                    {
                        switch (alarmAction)
                        {
                            case AlarmAction.Retry:
                                {
                                    CheckToPostMessage((int)item.RetryMessage, item.RetryMessageParas);
                                }
                                break;
                            case AlarmAction.Abort:
                                {
                                    CheckToPostMessage((int)MSG.Abort);
                                }
                                break;
                            case AlarmAction.Clear:
                                {
                                    int alarmCount = 0;
                                    var alarms = EV.GetAlarmEvent();
                                    foreach (var alarm in alarms)
                                    {
                                        if (alarm.Level == EventLevel.Alarm && alarm.Source == Name)
                                            alarmCount++;
                                    }
                                    if (alarmCount == 0)
                                        CheckToPostMessage((int)MSG.Reset);
                                }
                                break;
                            case AlarmAction.Continue:
                                {
                                    int alarmCount = 0;
                                    var alarms = EV.GetAlarmEvent();
                                    foreach (var alarm in alarms)
                                    {
                                        if (alarm.Level == EventLevel.Alarm && alarm.Source == Name)
                                            alarmCount++;
                                    }
                                    if (alarmCount == 0)
                                        CheckToPostMessage((int)MSG.Reset);
                                }
                                break;
                        }
                    }
                }

                return true;
            });
        }

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

            EnumLoop<MSG>.ForEach((item) =>
            {
                MapMessage((int)item, item.ToString());
            });

            EnableFsm(1000, IsInstalled ? STATE.Idle : STATE.NotInstall);

            Transition(STATE.Idle, MSG.Disconnected, null, STATE.NotConnected);
            Transition(STATE.Idle, MSG.InTransfer, null, STATE.InTransfer);
            Transition(STATE.InTransfer, MSG.TransferComplete, null, STATE.Idle);
            Transition(STATE.InTransfer, MSG.Abort, null, STATE.Idle);

            Transition(STATE.NotConnected, MSG.Connected, null, STATE.Idle);
        }

        #region Service Functions

        public override bool Home(out string reason)
        {
            reason = string.Empty;
            return true;
        }

        public override void Reset()
        {
            base.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;
            return true;
        }

        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);
        }

        #endregion      
    }

}