using System;
using System.Collections.Generic;
using System.Diagnostics.Eventing.Reader;
using Aitex.Core.Common;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.Routine;
using Aitex.Core.RT.SCCore;
using Aitex.Core.Util;
using Aitex.Sorter.Common;
using Aitex.Sorter.RT.Module;
using Aitex.Sorter.RT.SorterCommonFrame.Routines;
using MECF.Framework.Common.Equipment;
using MECF.Framework.Common.SubstrateTrackings;
using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.LoadPorts;

//using SorterRT.Routines;

namespace Aitex.Sorter.RT.SorterCommonFrame.Modules
{
    public class DualMoveManager : IMoveManager
    {
        public event Action<MoveErrorArgument> OnMoveError;

        public int TaskCount { get { return tasks.Count; } }


        public bool IsPaused { get { return !_pause; } }
        public int WaferCompleted
        {
            get
            {
                int count = tasks.Count;
                int completed = lastTaskCount - count;
                lastTaskCount = count;
                return completed;
            }
        }

        private PickRoutine pickRoutine = null;
        private PlaceRoutine placeRoutine = null;
        private AlignRoutine alignRoutine = null;
        private SwapRoutine swapRoutine = null;

        private List<MoveTask> tasks = new List<MoveTask>();

        private IRoutine _robotRoutine = null;
        private AlignRoutine _alignerRoutine = null;

        private MoveTask task1 = null;
        private MoveTask task2 = null;
        private MoveTask task3 = null;
        
        private bool _verifyFail = false;
 
        private int lastTaskCount = 0;


        private bool _pause;

        public DualMoveManager()
        {
            pickRoutine = new PickRoutine("System", "PickRoutine");
            pickRoutine.Initalize();

            swapRoutine = new SwapRoutine("System", "SwapRoutine");
            swapRoutine.Initalize();


            placeRoutine = new PlaceRoutine("System", "PlaceRoutine");
            placeRoutine.Initalize();

            alignRoutine = new AlignRoutine("System", "AlignRoutine");
            alignRoutine.Initalize();
        }

        public bool Initialize()
        {

 

            return true;
        }

        public bool Pause()
        {
            _pause = true;
            return true;
        }
        public bool Resume()
        {
            _pause = false;
            return true;
        }

        public bool Stop()
        {
            tasks.Clear();
            if (task1 != null)
                tasks.Add(task1);

            if (task2 != null)
                tasks.Add(task2);

            _pause = false;
            return true;
        }

        public bool Start(List<MoveTask> tasks)
        {
            _robotRoutine = null;
            _alignerRoutine = null;
            _pause = false;

            this.tasks = tasks;

            foreach (MoveTask task in tasks)
            {
                WaferManager.Instance.UpdateWaferProcessStatus(task.WaferID, ProcessStatus.Wait);
                task.WaferID = WaferManager.Instance.GetWaferID(task.SourceStaion, task.SourceSlot);            
            }

            newTask();
            if (task1 == null)
            {
                return true;
            }

            _robotRoutine = null;
            _alignerRoutine = null;

            lastTaskCount = tasks.Count;
            return true;
        }

        private void newTask()
        {
            if (tasks.Count > 0)
                task1 = tasks[0];

            if (task1 != null)
            {
                WaferManager.Instance.UpdateWaferProcessStatus(task1.WaferID, ProcessStatus.Busy);
                task1.swap = IsSwap(task1);
                LOG.Info(string.Format(" next task1, Wafer Moved from {0}{1:D2} to {2}{3:D2}.option is {4}, swasp is {5}",
                      task1.SourceStaion.ToString(), task1.SourceSlot, task1.DestStaion.ToString(), task1.DestSlot, task1.option, task1.swap));

                task2 = FindSecondTask(task1.DestStaion, task1.DestSlot, task1.option, task1.swap);
                if (task2 != null)
                {
                    WaferManager.Instance.UpdateWaferProcessStatus(task2.WaferID, ProcessStatus.Busy);
                    
                    task3 = FindThirdTask(task2.DestStaion, task2.DestSlot, task2.option, task2.swap);
                    
                    if (task3 != null)
                    {
                        WaferManager.Instance.UpdateWaferProcessStatus(task3.WaferID, ProcessStatus.Busy);
                    } 
                }
            }

        }

        private bool IsSwap(MoveTask task)
        {
            if ((task.DestStaion == task.SourceStaion) && (task.DestSlot == task.SourceSlot))
                return false;
            return WaferManager.Instance.CheckHasWafer(task.DestStaion, task.DestSlot);

        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="objs"></param>
        /// <returns>如果任务全部完成，或者任务失败，返回true</returns>
        public bool Monitor(object[] objs)
        {
            Result ret = Result.RUN;

            if (tasks.Count == 0 && task1 == null && task2 == null)
            {
                return true;             //completed
            }

            if (ret == Result.DONE || task1 ==null)
            {
                if (_pause)
                {
                    return false;       //pause
                }
            }
            
            if (task1 == null)
            {
                if (!_pause)
                    newTask();
            }

            if (_alignerRoutine != null)
            {
                ret = _alignerRoutine.Monitor();
                if (ret == Result.DONE)
                {
                    _alignerRoutine = null;
                    AlignCompleted();
                    return false;
                }
                else if (ret == Result.FAIL)
                {
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 0, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 1, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                    NotifyError("Aligner", "Aligner Error");
                    return true;             //failed       
                }
            }

            if (_robotRoutine != null)
            {
                ret = _robotRoutine.Monitor();

                if (ret == Result.DONE)
                {
                    _robotRoutine = null;
                    return false;
                }
                else if (ret == Result.FAIL)
                {
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 0, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 1, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                    NotifyError("Robot", "Robot Error");
                    return true;             //failed       
                }
            }
            else
            {
                if (!_pause)
                {
                    IRoutine rountine = NextRoutine();
                    if (rountine != null)
                    {
                        rountine.Start();
                        _robotRoutine = rountine;
                    }
                }
            }

            return false;
        }

        public Result Monitor()
        {
            Result ret = Result.RUN;

            if (tasks.Count == 0 && task1 == null && task2 == null)
            {
                return Result.DONE;             //completed
            }
            
            if (ret == Result.DONE || task1 ==null)
            {
                if (_pause)
                {
                    return Result.RUN;       //pause
                }
            }

            if (task1 == null)
            {
                if (!_pause)
                    newTask();
            }

            if (_alignerRoutine != null)
            {
                ret = _alignerRoutine.Monitor();
                if (ret == Result.DONE)
                {
                    _alignerRoutine = null;
                    AlignCompleted();
                    return Result.RUN;
                }
                else if (ret == Result.FAIL)
                {
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 0, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 1, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                    NotifyError("Aligner", "Aligner Error");
                    return Result.FAIL;             //failed       
                }
                if (ret == Result.VERIFYFAIL)
                {
                    
                    //_alignerRoutine = null;
                    if (SC.ContainsItem(SorterCommon.ScPathName.Process_LMMismatchHandle))
                        switch (SC.GetValue<int>(SorterCommon.ScPathName.Process_LMMismatchHandle))
                        {
                            case 2:
                                
                                task1.DestStaion = task1.SourceStaion;
                                task1.DestSlot = task1.SourceSlot;
                                WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                                _verifyFail = true;
                                break;
                            case 3:
                                ModuleName handleLp;
                                if (SC.ContainsItem(SorterCommon.ScPathName.Process_MismatchCollectPort))
                                {
                                    handleLp = ModuleHelper.Converter(SC.GetStringValue(SorterCommon.ScPathName.Process_MismatchCollectPort));
                                    if (!ModuleHelper.IsLoadPort(handleLp)) break;
                                        //handleLp = ModuleName.LP1;
                                }
                                else break;  

                                task1.DestStaion = handleLp;

                                int startSlot = SC.ContainsItem("LoadPort." + handleLp.ToString() + "StartSlot")
                                    ? SC.GetValue<int>("LoadPort." + handleLp.ToString() + "StartSlot") : 1;
                                if (startSlot > 25 || startSlot < 1) startSlot = 1;

                                int endSlot = SC.ContainsItem("LoadPort." + handleLp.ToString() + "EndSlot")
                                    ? SC.GetValue<int>("LoadPort." + handleLp.ToString() + "EndSlot") : 25;
                                if (endSlot > 25 || endSlot < 1) endSlot = 25;

                                WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                                _verifyFail = true;
                                var emptySlot = DEVICE.GetDevice<LoadPort>(handleLp.ToString()).GetEmptySlot();
                                foreach (int slot in emptySlot)
                                {
                                    if (slot < startSlot || slot > endSlot) emptySlot.Remove(slot);
                                }


                                if (emptySlot.Count != 0)
                                {
                                    if (SC.ContainsItem("Process.PlaceFromTopOnHostLPMode") && SC.GetValue<bool>("Process.PlaceFromTopOnHostLPMode"))
                                    {
                                        task1.DestSlot = emptySlot[emptySlot.Count - 1];
                                    }
                                    else
                                    {
                                        task1.DestSlot = emptySlot[0];
                                    }
                                    break;
                                }
                                else
                                {
                                    Singleton<RouteManagerSorter>.Instance.PostMsg(RouteManagerSorter.MSG.PauseRecipe);
                                    EV.PostWarningLog(handleLp.ToString(), $"{handleLp} is full.");
                                    break;
                                }
                            default:
                                break;
                                  
                        }
                    _alignerRoutine.PostAlignValue = SC.ContainsItem("Aligner." + task1.DestStaion + "PostAlignAngle") ?
                    SC.GetValue<double>("Aligner." + task1.DestStaion + "PostAlignAngle") : 0;
                    //AlignCompleted();
                    return Result.RUN;
                }
            }

            if (_robotRoutine != null)
            {
                ret = _robotRoutine.Monitor();

                if (ret == Result.DONE)
                {
                    _robotRoutine = null;
                    return Result.RUN;
                }
                else if (ret == Result.FAIL)
                {
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 0, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Robot, 1, ProcessStatus.Failed);
                    WaferManager.Instance.UpdateWaferProcessStatus(ModuleName.Aligner, 0, ProcessStatus.Failed);
                    NotifyError("Robot", "Robot Error");
                    return Result.FAIL;             //failed       
                }
            }
            else
            {
                if (!_pause)
                {
                    IRoutine rountine = NextRoutine();
                    if (rountine != null)
                    {
                        rountine.Start();
                        _robotRoutine = rountine;
                    }
                }
            }

            return Result.RUN;
        }

        private void AlignCompleted()
        {
            if (task1 != null)
            {
                if (task1.Step == MoveStep.WaitAligner)
                {
                    task1.Step = MoveStep.PickFromAligner;
                }
            }

            if (task2 != null)
            {
                if (task2.Step == MoveStep.WaitAligner)
                {
                    task2.Step = MoveStep.PickFromAligner;
                }
            }
            
            if (task3 != null)
            {
                if (task3.Step == MoveStep.WaitAligner)
                {
                    task3.Step = MoveStep.PickFromAligner;
                }
            }
        }

        private IRoutine NextRoutine()
        {
            IRoutine routine = null;

            if (task2 != null && task2.Step == MoveStep.Aligning)
            {
                alignRoutine.Option = task2.option;
                alignRoutine.Notch = task2.Notch;

                alignRoutine.IsVerifyAny = task2.VerifyAny;
                alignRoutine.IsVerifyLM1 = task2.VerifyLaserMaker;
                alignRoutine.StrLaserMark1  = task2.LaserMaker;
                alignRoutine.IsReadLM2 = task2.VerifyT7Code;
                alignRoutine.StrLaserMark2 = task2.T7Code;
                alignRoutine.PostAlignValue = SC.ContainsItem("Aligner." + task2.DestStaion.ToString() + "PostAlignAngle") ?
                    SC.GetValue<double>("Aligner." + task2.DestStaion.ToString() + "PostAlignAngle") : 0;

                _alignerRoutine = alignRoutine;
                _alignerRoutine.Start();

                task2.Step = MoveStep.WaitAligner;
            }

            if (task3 != null && task3.Step == MoveStep.Aligning)
            {
                alignRoutine.Option = task3.option;
                alignRoutine.Notch = task3.Notch;

                alignRoutine.IsVerifyAny = task3.VerifyAny;
                alignRoutine.IsVerifyLM1 = task3.VerifyLaserMaker;
                alignRoutine.StrLaserMark1 = task3.LaserMaker;
                alignRoutine.IsReadLM2 = task3.VerifyT7Code;
                alignRoutine.StrLaserMark2 = task3.T7Code;
                alignRoutine.PostAlignValue = SC.ContainsItem("Aligner." + task3.DestStaion + "PostAlignAngle") ?
                    SC.GetValue<double>("Aligner." + task3.DestStaion + "PostAlignAngle") : 0;

                _alignerRoutine = alignRoutine;
                _alignerRoutine.Start();

                task3.Step = MoveStep.WaitAligner;
            }
            

            //pass aligner and turnover station
            if (task1 != null && PassTurnOver(task1.option) && PassAligner(task1.option))
            {
                switch (task1.Step)
                {
                    case MoveStep.PickFromSource:
                        {
                            pickRoutine.Source = task1.SourceStaion;
                            pickRoutine.Slot = task1.SourceSlot;
                            pickRoutine.Blade = GetEmptyHand();

                            task1.Blade = pickRoutine.Blade;
                            routine = pickRoutine;

                            task1.Step = MoveStep.PlaceToAligner;
                            break;
                        }
                    case MoveStep.PlaceToAligner:
                        {
                            placeRoutine.Station = ModuleName.Aligner;
                            placeRoutine.Slot = 0;
                            placeRoutine.Blade = task1.Blade;

                            task1.Step = MoveStep.Aligning;
                            routine = placeRoutine;
                            break;
                        }
                    case MoveStep.PlaceToTurnOver:
                        {
                            placeRoutine.Station = ModuleName.TurnOverStation;
                            placeRoutine.Slot = 0;
                            placeRoutine.Blade = task1.Blade;

                            task1.Step = MoveStep.PickFromTurnOver;

                            routine = placeRoutine;
                            break;
                        }
                    case MoveStep.Aligning:
                        {
                            alignRoutine.Option = task1.option;
                            alignRoutine.Notch = task1.Notch;

                            alignRoutine.IsVerifyAny = task1.VerifyAny;
                            alignRoutine.IsVerifyLM1 = task1.VerifyLaserMaker;
                            alignRoutine.StrLaserMark1 = task1.LaserMaker;
                            alignRoutine.IsVerifyLM2 = task1.VerifyT7Code;
                            alignRoutine.StrLaserMark1 = task1.T7Code;
                            alignRoutine.PostAlignValue = SC.ContainsItem("Aligner." + task1.DestStaion + "PostAlignAngle") ?
                    SC.GetValue<double>("Aligner." + task1.DestStaion + "PostAlignAngle") : 0;


                            _alignerRoutine = alignRoutine;
                            _alignerRoutine.Start();

                            task1.Step = MoveStep.WaitAligner;

                            if (task2 != null)
                            {
                                if (task2.Step == MoveStep.PickFromSource)
                                {
                                    pickRoutine.Source = task2.SourceStaion;
                                    pickRoutine.Slot = task2.SourceSlot;
                                    pickRoutine.Blade = GetEmptyHand();

                                    task2.Blade = pickRoutine.Blade;
                                    routine = pickRoutine;
                                    task2.Step = MoveStep.PlaceToAligner;
                                }
                            }
                            break;
                        }
                    case MoveStep.PickFromTurnOver:
                        {
                            if (task2 != null)
                            {
                                switch (task2.Step)
                                {
                                    case MoveStep.PlaceToTurnOver:
                                        swapRoutine.Source = ModuleName.TurnOverStation;
                                        swapRoutine.Slot = 0;

                                        swapRoutine.PlaceBlade = task2.Blade;

                                        task1.Blade = SwapHand(swapRoutine.PlaceBlade);

                                        task1.Step = MoveStep.PlaceToDest;

                                        task2.Step = MoveStep.PickFromTurnOver;
                                        routine = swapRoutine;
                                        break;
                                    case MoveStep.PlaceToAligner:
                                        placeRoutine.Station = ModuleName.Aligner;
                                        placeRoutine.Slot = 0;
                                        placeRoutine.Blade = task2.Blade;

                                        task2.Step = MoveStep.Aligning;
                                        routine = placeRoutine;
                                        break;
                                    case MoveStep.PickFromAligner:
                                        if (task3!=null)
                                        {
                                            switch (task3.Step)
                                            {
                                                case MoveStep.PickFromSource:
                                                    pickRoutine.Source = task3.SourceStaion;
                                                    pickRoutine.Slot = task3.SourceSlot;
                                                    pickRoutine.Blade = GetEmptyHand();

                                                    task3.Blade = pickRoutine.Blade;
                                                    routine = pickRoutine;

                                                    task3.Step = MoveStep.PlaceToAligner;
                                                    break;
                                                case MoveStep.PlaceToAligner:
                                                    swapRoutine.Source = ModuleName.Aligner;
                                                    swapRoutine.Slot = 0;

                                                    swapRoutine.PlaceBlade = task3.Blade;

                                                    task2.Blade = SwapHand(swapRoutine.PlaceBlade);
                                                    task2.Step = MoveStep.PlaceToTurnOver;

                                                    task3.Step = MoveStep.Aligning;
                                                    routine = swapRoutine;
                                                    break;
                                            }
                                        }
                                        else
                                        {
                                            pickRoutine.Source = ModuleName.Aligner;
                                            pickRoutine.Slot = 0;
                                            pickRoutine.Blade = task2.Blade;

                                            task2.Step = MoveStep.PlaceToTurnOver;
                                            routine = pickRoutine;
                                        }
                                        break;
                                }
                            }
                            else
                            {
                                pickRoutine.Source = ModuleName.TurnOverStation;
                                pickRoutine.Slot = 0;

                                pickRoutine.Blade = task1.Blade;
                                task1.Step = MoveStep.PlaceToDest;
                                routine = pickRoutine;
                            }
                            break;
                        }
                    case MoveStep.PickFromAligner:
                        {
                            if (_alignerRoutine == null) //aligning completed
                            {
                                if (task2 != null && task3 != null && task2.Step != MoveStep.PlaceToAligner)
                                {
                                    switch (task3.Step)
                                    {
                                        case MoveStep.PickFromSource:
                                            pickRoutine.Source = task3.SourceStaion;
                                            pickRoutine.Slot = task3.SourceSlot;
                                            pickRoutine.Blade = GetEmptyHand();
                                            
                                            task3.Blade = pickRoutine.Blade;
                                            routine = pickRoutine;
                                            task3.Step = MoveStep.PlaceToAligner;
                                            break;
                                        case MoveStep.PlaceToAligner:
                                            swapRoutine.Source = ModuleName.Aligner;
                                            swapRoutine.Slot = 0;

                                            swapRoutine.PlaceBlade = task3.Blade;

                                            task2.Blade = SwapHand(swapRoutine.PlaceBlade);
                                            task2.Step = MoveStep.PlaceToTurnOver;

                                            task3.Step = MoveStep.Aligning;
                                            routine = swapRoutine;
                                            break;
                                    }
                                }
                                else if (task2 != null)
                                {
                                    switch (task2.Step)
                                    {
                                        case MoveStep.PickFromTurnOver:
                                            pickRoutine.Source = ModuleName.TurnOverStation;
                                            pickRoutine.Slot = 0;
                                            pickRoutine.Blade = task2.Blade;

                                            task2.Step = MoveStep.PlaceToAligner;
                                            routine = pickRoutine;
                                            break;
                                        case MoveStep.PlaceToTurnOver:
                                            placeRoutine.Station = ModuleName.TurnOverStation;
                                            placeRoutine.Slot = 0;
                                            placeRoutine.Blade = task2.Blade;

                                            task2.Step = MoveStep.PickFromTurnOver;
                                            routine = placeRoutine;
                                            break;
                                        case MoveStep.PlaceToAligner:
                                            swapRoutine.Source = ModuleName.Aligner;
                                            swapRoutine.Slot = 0;

                                            swapRoutine.PlaceBlade = task2.Blade;

                                            task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                            task1.Step = MoveStep.PlaceToTurnOver;

                                            task2.Step = MoveStep.Aligning;
                                            routine = swapRoutine;
                                            break;
                                    }
                                }
                                else
                                {
                                    //从aligner移动至Turnover station
                                    pickRoutine.Source = ModuleName.Aligner;
                                    pickRoutine.Slot = 0;

                                    pickRoutine.Blade = task1.Blade;
                                    task1.Step = MoveStep.PlaceToTurnOver;
                                    routine = pickRoutine;
                                }
                            }
                            break;
                        }
                    case MoveStep.PlaceToDest:
                        {
                            if (task2 != null)
                            {
                                if (WaferManager.Instance.CheckNoWafer(task1.DestStaion, task1.DestSlot))
                                {
                                    if (task2.Step == MoveStep.PickFromSource && !task2.swap)
                                    {
                                        pickRoutine.Source = task2.SourceStaion;
                                        pickRoutine.Slot = task2.SourceSlot;
                                        pickRoutine.Blade = GetEmptyHand();

                                        task2.Blade = pickRoutine.Blade;

                                        task2.Step = MoveStep.PlaceToDest;
                                        routine = pickRoutine;
                                    }
                                    else
                                    {
                                        placeRoutine.Station = task1.DestStaion;
                                        placeRoutine.Slot = task1.DestSlot;
                                        placeRoutine.Blade = task1.Blade;

                                        task1.swap = false;
                                        task1.Step = MoveStep.Completed;
                                        routine = placeRoutine; 
                                    }
                                }
                                else
                                {
                                    task1.Step = MoveStep.Completed;
                                    _robotRoutine = placeRoutine;

                                    swapRoutine.Source = task1.DestStaion;
                                    swapRoutine.Slot = task1.DestSlot;
                                    swapRoutine.PlaceBlade = task1.Blade;

                                    task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                    task1.swap = true;
                                    task1.Step = MoveStep.Completed;

                                    routine = swapRoutine;
                                }
                            }
                            else
                            {
                                if (WaferManager.Instance.CheckNoWafer(task1.DestStaion, task1.DestSlot))
                                {
                                    placeRoutine.Station = task1.DestStaion;
                                    placeRoutine.Slot = task1.DestSlot;
                                    placeRoutine.Blade = task1.Blade;

                                    task1.swap = false;
                                    task1.Step = MoveStep.Completed;
                                    routine = placeRoutine; 
                                }
                                else
                                {
                                    task1.Step = MoveStep.Completed;
                                    _robotRoutine = placeRoutine;

                                    swapRoutine.Source = task1.DestStaion;
                                    swapRoutine.Slot = task1.DestSlot;
                                    swapRoutine.PlaceBlade = task1.Blade;

                                    task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                    task1.swap = true;
                                    task1.Step = MoveStep.Completed;
                                    routine = swapRoutine;
                                }
                            }
                            break;
                        }
                    case MoveStep.Completed:
                        {
                            if (_verifyFail)
                            {
                                WaferManager.Instance.UpdateWaferProcessStatus(task1.DestStaion, task1.DestSlot, ProcessStatus.Failed);
                                _verifyFail = false;
                            }
                            else
                                WaferManager.Instance.UpdateWaferProcessStatus(task1.DestStaion, task1.DestSlot, ProcessStatus.Completed);

                            tasks.Remove(task1);

                            if (task3 != null && task2 != null)
                            {
                                if (task2.Step == MoveStep.PlaceToDest)
                                {
                                    task1 = task2;
                                    task2 = null;
                                }
                                else
                                {
                                    if (task1.swap)
                                    {
                                        MoveTask task = GetNextTask();
                                        task1 = task2;
                                        task2 = task;
                                    }
                                    else
                                    {
                                        task1 = task2;
                                        task2 = task3;
                                        task3 = FindThirdTask(task2.DestStaion, task2.DestSlot, task2.option, task2.swap);
                                    }
                                }
                            }
                            else if (task2 != null)
                            {
                                if (task2.Step == MoveStep.PlaceToDest)
                                {
                                    task1 = task2;
                                    task2 = null;
                                }
                                else
                                {
                                    if (task1.swap)
                                    {
                                        MoveTask task = GetNextTask();
                                        task1 = task2;
                                        task2 = task;
                                    }
                                    else
                                    {
                                        task1 = task2;
                                        task2 = FindSecondTask(task1.DestStaion, task1.DestSlot, task1.option, task1.swap);
                                    }
                                }
                            }
                            else
                            {
                                if (task1.swap)
                                    task1 = GetNextTask();
                                else
                                    task1 = null;
                            }
                            break;
                        }
                    
                }
                
                if (task2 != null)
                {
                    if (routine == null)
                    {
                        if (task2.Step == MoveStep.PickFromSource)
                        {
                            pickRoutine.Source = task2.SourceStaion;
                            pickRoutine.Slot = task2.SourceSlot;
                            pickRoutine.Blade = GetEmptyHand();

                            task2.Blade = pickRoutine.Blade;
                            routine = pickRoutine;
                            task2.Step = MoveStep.PlaceToAligner;
                        }
                        else if (task2.Step == MoveStep.PlaceToDest)
                        {
                            if (WaferManager.Instance.CheckNoWafer(task2.DestStaion, task2.DestSlot))
                            {
                                placeRoutine.Station = task2.DestStaion;
                                placeRoutine.Slot = task2.DestSlot;
                                placeRoutine.Blade = task2.Blade;

                                task2.swap = false;
                                task2.Step = MoveStep.Completed;
                                routine = placeRoutine;
                            }
                            else
                            {
                                task2.Step = MoveStep.Completed;
                                _robotRoutine = placeRoutine;

                                swapRoutine.Source = task2.DestStaion;
                                swapRoutine.Slot = task2.DestSlot;
                                swapRoutine.PlaceBlade = task2.Blade;

                                task2.Blade = SwapHand(swapRoutine.PlaceBlade);
                                task2.swap = true;
                                task2.Step = MoveStep.Completed;

                                routine = swapRoutine;
                            }
                        }
                        else if (task2.Step == MoveStep.Completed)
                        {
                            WaferManager.Instance.UpdateWaferProcessStatus(task2.DestStaion, task2.DestSlot,
                                Aitex.Core.Common.ProcessStatus.Completed);

                            tasks.Remove(task2);

                            return routine;
                        }
                    }
                }
            }
            else
            {
                if (task1.Step == MoveStep.PickFromSource)
                {
                    if (IsDoublePick())
                    {
                        pickRoutine.Source = task1.SourceStaion;

                        if (task1.SourceSlot < task2.SourceSlot)
                            pickRoutine.Slot = task1.SourceSlot;
                        else
                            pickRoutine.Slot = task2.SourceSlot;

                        pickRoutine.Blade = Hand.Both;

                        task1.Blade = Hand.Both; 
                        routine = pickRoutine;

                        task1.Step = MoveStep.PlaceToDest;
                        task2.Step = MoveStep.PlaceToDest;
                    }
                    else
                    {
                        pickRoutine.Source = task1.SourceStaion;
                        pickRoutine.Slot = task1.SourceSlot;
                        pickRoutine.Blade = GetEmptyHand();

                        task1.Blade = pickRoutine.Blade;
                        routine = pickRoutine;

                        if (PassAligner(task1.option) && PassTurnOver(task1.option))
                        {
                            task1.Step = MoveStep.PlaceToAligner;
                        }
                        else if (PassAligner(task1.option))
                        {
                            task1.Step = MoveStep.PlaceToAligner;
                        }
                        else if (PassTurnOver(task1.option))
                        {
                            task1.Step = MoveStep.PlaceToTurnOver;
                        }
                        else
                        {
                            task1.Step = MoveStep.PlaceToDest;
                        }
                    }
                }
                else if (task1.Step == MoveStep.PlaceToAligner)
                {
                    placeRoutine.Station = ModuleName.Aligner;
                    placeRoutine.Slot = 0;
                    placeRoutine.Blade = task1.Blade;

                    task1.Step = MoveStep.Aligning;
                    routine = placeRoutine;
                }
                else if (task1.Step == MoveStep.PlaceToTurnOver)
                {
                    placeRoutine.Station = ModuleName.TurnOverStation;
                    placeRoutine.Slot = 0;
                    placeRoutine.Blade = task1.Blade;

                    task1.Step = MoveStep.Turning;

                    routine = placeRoutine;
                }
                else if (task1.Step == MoveStep.Turning)
                {
                    if (task2 != null)
                    {
                        if (PassTurnOver(task2.option))
                        {
                            if (task2.Step == MoveStep.PickFromSource)
                            {
                                pickRoutine.Source = task2.SourceStaion;
                                pickRoutine.Slot = task2.SourceSlot;
                                pickRoutine.Blade = GetEmptyHand();

                                task2.Blade = pickRoutine.Blade;
                                routine = pickRoutine;
                                if(PassAligner(task2.option))
                                    task2.Step = MoveStep.PlaceToAligner;
                                else
                                    task2.Step = MoveStep.PlaceToTurnOver;
                            }
                            else if (task2.Step == MoveStep.PickFromAligner)
                            {
                                pickRoutine.Source = ModuleName.Aligner;
                                pickRoutine.Slot = 0;
                                pickRoutine.Blade = GetEmptyHand();

                                task2.Blade = pickRoutine.Blade;
                                routine = pickRoutine;
                                task2.Step = MoveStep.PlaceToTurnOver;
                            }
                        }

                        task1.Step = MoveStep.PickFromTurnOver;
                    }
                    else
                    {
                        pickRoutine.Source = ModuleName.TurnOverStation;
                        pickRoutine.Slot = 0;
                        pickRoutine.Blade = task1.Blade;

                        task1.Step = MoveStep.PickFromTurnOver;
                        routine = pickRoutine;
                    }
                }
                else if (task1.Step == MoveStep.Aligning)
                {
                    alignRoutine.Option = task1.option;
                    alignRoutine.Notch = task1.Notch;

                    alignRoutine.IsVerifyAny = task1.VerifyAny;
                    alignRoutine.IsVerifyLM1 = task1.VerifyLaserMaker;
                    alignRoutine.StrLaserMark1 = task1.LaserMaker;
                    alignRoutine.IsVerifyLM2 = task1.VerifyT7Code;
                    alignRoutine.StrLaserMark2 = task1.T7Code;
                    alignRoutine.PostAlignValue = SC.ContainsItem("Aligner." + task1.DestStaion.ToString() + "PostAlignAngle") ?
                    SC.GetValue<double>("Aligner." + task1.DestStaion.ToString() + "PostAlignAngle") : 0;


                    _alignerRoutine = alignRoutine;
                    _alignerRoutine.Start();

                    task1.Step = MoveStep.WaitAligner;

                    if (task2 != null)
                    {
                        if (PassAligner(task2.option))
                        {
                            if (task2.Step == MoveStep.PickFromSource)
                            {
                                pickRoutine.Source = task2.SourceStaion;
                                pickRoutine.Slot = task2.SourceSlot;
                                pickRoutine.Blade = GetEmptyHand();

                                task2.Blade = pickRoutine.Blade;
                                routine = pickRoutine;
                                task2.Step = MoveStep.PlaceToAligner;
                            }
                        }
                    }
                }
                else if (task1.Step == MoveStep.PickFromTurnOver)
                {
                    if (task2 != null)
                    {
                        if (task2.Step == MoveStep.PlaceToTurnOver)
                        {
                            swapRoutine.Source = ModuleName.TurnOverStation;
                            swapRoutine.Slot = 0;

                            swapRoutine.PlaceBlade = task2.Blade;

                            task1.Blade = SwapHand(swapRoutine.PlaceBlade);

                            task1.Step = MoveStep.PlaceToDest;

                            task2.Step = MoveStep.PickFromTurnOver;
                            routine = swapRoutine;
                        }
                        else if (task2.Step == MoveStep.PlaceToAligner)
                        {
                            placeRoutine.Station = ModuleName.Aligner;
                            placeRoutine.Slot = 0;
                            placeRoutine.Blade = task2.Blade;

                            task2.Step = MoveStep.Aligning;
                            routine = placeRoutine;
                        }
                        else if (task2.Step == MoveStep.PickFromAligner)
                        {
                            pickRoutine.Source = ModuleName.Aligner;
                            pickRoutine.Slot = 0;
                            pickRoutine.Blade = task2.Blade;

                            task2.Step = MoveStep.PlaceToTurnOver;
                            routine = pickRoutine;
                        }
                    }
                    else
                    {
                        pickRoutine.Source = ModuleName.TurnOverStation;
                        pickRoutine.Slot = 0;

                        pickRoutine.Blade = task1.Blade;
                        task1.Step = MoveStep.PlaceToDest;
                        routine = pickRoutine;
                    }
                }
                else if (task1.Step == MoveStep.PickFromAligner)
                {
                    if (_alignerRoutine == null) //aligning completed
                    {
                        if (task2 != null)
                        {
                            if (task2.Step == MoveStep.PickFromTurnOver)
                            {
                                pickRoutine.Source = ModuleName.TurnOverStation;
                                pickRoutine.Slot = 0;
                                pickRoutine.Blade = task2.Blade;

                                task2.Step = MoveStep.PlaceToAligner;
                                routine = pickRoutine;
                            }
                            else if (task2.Step == MoveStep.PlaceToTurnOver)
                            {
                                placeRoutine.Station = ModuleName.TurnOverStation;
                                placeRoutine.Slot = 0;
                                placeRoutine.Blade = task2.Blade;

                                task2.Step = MoveStep.PickFromTurnOver;
                                routine = placeRoutine;
                            }
                            else if (task2.Step == MoveStep.PlaceToAligner)
                            {
                                if (PassTurnOver(task1.option))
                                {
                                    swapRoutine.Source = ModuleName.Aligner;
                                    swapRoutine.Slot = 0;

                                    swapRoutine.PlaceBlade = task2.Blade;

                                    task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                    task1.Step = MoveStep.PlaceToTurnOver;

                                    task2.Step = MoveStep.Aligning;
                                    routine = swapRoutine;
                                }
                                else
                                {
                                    swapRoutine.Source = ModuleName.Aligner;
                                    swapRoutine.Slot = 0;

                                    swapRoutine.PlaceBlade = task2.Blade;

                                    task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                    task1.Step = MoveStep.PlaceToDest;

                                    task2.Step = MoveStep.Aligning;
                                    routine = swapRoutine;
                                }
                            }
                        }
                        else
                        {
                            if (PassTurnOver(task1.option))
                            {
                                pickRoutine.Source = ModuleName.Aligner;
                                pickRoutine.Slot = 0;

                                pickRoutine.Blade = task1.Blade;
                                task1.Step = MoveStep.PlaceToTurnOver;
                                routine = pickRoutine;
                            }
                            else
                            {
                                pickRoutine.Source = ModuleName.Aligner;
                                pickRoutine.Slot = 0;

                                pickRoutine.Blade = task1.Blade;
                                task1.Step = MoveStep.PlaceToDest;
                                routine = pickRoutine;
                            }
                        }
                    }
                    else
                    {
                        //waiting
                    }
                }
                else if (task1.Step == MoveStep.PlaceToDest)
                {
                    if (task2 != null && task2.Step == MoveStep.PlaceToDest && IsDoublePlace())
                    {
                        placeRoutine.Station = task1.DestStaion;
                        //placeRoutine.Slot = task1.DestSlot;

                        if (task1.DestSlot < task2.DestSlot)
                            placeRoutine.Slot = task1.DestSlot;
                        else
                            placeRoutine.Slot = task2.DestSlot;

                        placeRoutine.Blade = Hand.Both;

                        task1.Step = MoveStep.Completed;
                        task2.Step = MoveStep.Completed;
                        routine = placeRoutine;
                    }
                    else
                    {
                        if (task2 != null)
                        {
                            if (WaferManager.Instance.CheckNoWafer(task1.DestStaion, task1.DestSlot))
                            {
                                if (task2.Step == MoveStep.PickFromSource && !PassAligner(task2.option) &&
                                    !PassTurnOver(task2.option) && !task2.swap)
                                {
                                    pickRoutine.Source = task2.SourceStaion;
                                    pickRoutine.Slot = task2.SourceSlot;
                                    pickRoutine.Blade = GetEmptyHand();

                                    task2.Blade = pickRoutine.Blade;

                                    task2.Step = MoveStep.PlaceToDest;
                                    routine = pickRoutine;
                                }
                                else
                                {
                                    placeRoutine.Station = task1.DestStaion;
                                    placeRoutine.Slot = task1.DestSlot;
                                    placeRoutine.Blade = task1.Blade;

                                    task1.swap = false;
                                    task1.Step = MoveStep.Completed;
                                    routine = placeRoutine;
                                }
                            }
                            else
                            {
                                task1.Step = MoveStep.Completed;
                                _robotRoutine = placeRoutine;

                                swapRoutine.Source = task1.DestStaion;
                                swapRoutine.Slot = task1.DestSlot;
                                swapRoutine.PlaceBlade = task1.Blade;

                                task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                task1.swap = true;
                                task1.Step = MoveStep.Completed;

                                routine = swapRoutine;
                            }
                        }
                        else
                        {
                            if (WaferManager.Instance.CheckNoWafer(task1.DestStaion, task1.DestSlot))
                            {
                                placeRoutine.Station = task1.DestStaion;
                                placeRoutine.Slot = task1.DestSlot;
                                placeRoutine.Blade = task1.Blade;

                                task1.swap = false;
                                task1.Step = MoveStep.Completed;
                                routine = placeRoutine; 
                            }
                            else
                            {
                                task1.Step = MoveStep.Completed;
                                _robotRoutine = placeRoutine;

                                swapRoutine.Source = task1.DestStaion;
                                swapRoutine.Slot = task1.DestSlot;
                                swapRoutine.PlaceBlade = task1.Blade;

                                task1.Blade = SwapHand(swapRoutine.PlaceBlade);
                                task1.swap = true;
                                task1.Step = MoveStep.Completed;

                                routine = swapRoutine;
                            }
                        }
                    }
                }
                else if (task1.Step == MoveStep.Completed)
                {
                    if (_verifyFail)
                    {
                        WaferManager.Instance.UpdateWaferProcessStatus(task1.DestStaion, task1.DestSlot,
                            Aitex.Core.Common.ProcessStatus.Failed);
                        _verifyFail = false;
                    }
                    else
                        WaferManager.Instance.UpdateWaferProcessStatus(task1.DestStaion, task1.DestSlot,
                            Aitex.Core.Common.ProcessStatus.Completed);

                    tasks.Remove(task1);
                    if (task2 != null && task2.Step == MoveStep.Completed)
                    {
                        WaferManager.Instance.UpdateWaferProcessStatus(task2.DestStaion, task2.DestSlot,
                            Aitex.Core.Common.ProcessStatus.Completed);

                        tasks.Remove(task2);
                        task2 = null;
                    }

                    if (task2 != null)
                    {
                        if (task2.Step == MoveStep.PlaceToDest)
                        {
                            task1 = task2;
                            task2 = null;
                        }
                        else
                        {
                            if (task1.swap)
                            {
                                MoveTask task = GetNextTask();
                                task1 = task2;
                                task2 = task;
                            }
                            else
                            {
                                task1 = task2;
                                task2 = FindSecondTask(task1.DestStaion, task1.DestSlot, task1.option, task1.swap);
                            }
                        }
                    }
                    else
                    {
                        if (task1.swap)
                            task1 = GetNextTask();
                        else
                            task1 = null;
                    }
                }


                if (task2 != null)
                {
                    if (routine == null)
                    {
                        if (task2.Step == MoveStep.PickFromSource)
                        {
                            pickRoutine.Source = task2.SourceStaion;
                            pickRoutine.Slot = task2.SourceSlot;
                            pickRoutine.Blade = GetEmptyHand();

                            task2.Blade = pickRoutine.Blade;
                            routine = pickRoutine;

                            if (PassAligner(task2.option) && PassTurnOver(task2.option))
                            {
                                task2.Step = MoveStep.PlaceToAligner;
                            }
                            else if (PassTurnOver(task2.option))
                            {
                                task2.Step = MoveStep.PlaceToTurnOver;
                            }
                            else if (PassAligner(task2.option))
                            {
                                task2.Step = MoveStep.PlaceToAligner;
                            }
                            else
                            {
                                task2.Step = MoveStep.PlaceToDest;
                            }
                        }
                        else if (task2.Step == MoveStep.PlaceToDest)
                        {
                            if (WaferManager.Instance.CheckNoWafer(task2.DestStaion, task2.DestSlot))
                            {
                                placeRoutine.Station = task2.DestStaion;
                                placeRoutine.Slot = task2.DestSlot;
                                placeRoutine.Blade = task2.Blade;

                                task2.swap = false;
                                task2.Step = MoveStep.Completed;
                                routine = placeRoutine;
                            }
                            else
                            {
                                task2.Step = MoveStep.Completed;
                                _robotRoutine = placeRoutine;

                                swapRoutine.Source = task2.DestStaion;
                                swapRoutine.Slot = task2.DestSlot;
                                swapRoutine.PlaceBlade = task2.Blade;

                                task2.Blade = SwapHand(swapRoutine.PlaceBlade);
                                task2.swap = true;
                                task2.Step = MoveStep.Completed;

                                routine = swapRoutine;
                            }
                        }
                        else if (task2.Step == MoveStep.Completed)
                        {
                            WaferManager.Instance.UpdateWaferProcessStatus(task2.DestStaion, task2.DestSlot,
                                Aitex.Core.Common.ProcessStatus.Completed);

                            tasks.Remove(task2);

                            return routine;
                        }
                    }
                }
            }
            return routine;
        }

        private bool IsDoublePick()
        {
            if (!SC.GetValue<bool>(SorterCommon.ScPathName.Robot_DualBlade1TransferEnable))
                return false;

            if (task2 == null)
                return false;

            if (task1.option != task2.option)
                return false;

            if (PassAligner(task1.option))
                return false;

            if (PassTurnOver(task1.option))
                return false;

            if (task1.swap || task2.swap)
                return false;
            
            if (task1.SourceStaion != task2.SourceStaion)
                return false;
            if (Math.Abs(task1.DestSlot - task2.DestSlot) != 1)
                return false;
            
            if (Math.Abs(task1.SourceSlot - task2.SourceSlot) != 1)
                return false;

            return true;
        }

        private bool IsDoublePlace()
        {
            if(!SC.GetValue<bool>(SorterCommon.ScPathName.Robot_DualBlade1TransferEnable))
                return false;

            if (task2 == null)
                return false;

            if (task1.option != task2.option)
                return false;

            if (PassAligner(task1.option))
                return false;


            if (task1.swap || task2.swap)
                return false;

            if (task1.DestStaion != task2.DestStaion)
                return false;

            if (Math.Abs(task1.DestSlot - task2.DestSlot) != 1)
                return false;

            return true;
        }

        private bool PassAligner(MoveOption option)
        {
            //return false;
            return (((option & MoveOption.Align) == MoveOption.Align) ||
                    ((option & MoveOption.ReadID) == MoveOption.ReadID) ||
                    ((option & MoveOption.ReadID2) == MoveOption.ReadID2)

                    );
        }
        
        private bool PassTurnOver(MoveOption option)
        {
            //return false;
            return (((option & MoveOption.Turnover) == MoveOption.Turnover));
        }

        private Hand GetEmptyHand()
        {
            if (!WaferManager.Instance.CheckWafer(ModuleName.Robot, 0, WaferStatus.Normal))
            {
                return Hand.Blade1;
            }

            if (!WaferManager.Instance.CheckWafer(ModuleName.Robot, 1, WaferStatus.Normal))
            {
                return Hand.Blade2;
            }

            return Hand.Blade1;
        }
        
        private bool RobotHaveWafer()
        {
            if (WaferManager.Instance.CheckHasWafer(ModuleName.Robot, 0))
            {
                return true;
            }

            if (WaferManager.Instance.CheckHasWafer(ModuleName.Robot, 1))
            {
                return true;
            }

            return false;
        }

        private Hand SwapHand(Hand blade)
        {
            if (blade == Hand.Blade1)
            {
                return Hand.Blade2;
            }

            return Hand.Blade1;
        }

        private MoveTask GetNextTask()
        {
            MoveTask newTask = null;

            if (task1.swap)
            {
                newTask = FindSwapNextTask(task1.DestStaion, task1.DestSlot);
                if (newTask == null)
                {
                    LOG.Error("有未定义目标位置的传片任务");
                    return newTask;
                }

                if (PassAligner(newTask.option))
                    newTask.Step = MoveStep.PlaceToAligner;
                else
                    newTask.Step = MoveStep.PlaceToDest;

                newTask.Blade = task1.Blade;
            }

            if (newTask != null)
            {
                if (!newTask.swap)
                    WaferManager.Instance.UpdateWaferProcessStatus(newTask.WaferID, ProcessStatus.Busy);
            }

            return newTask;
        }

        private MoveTask FindSwapNextTask(ModuleName chamber, int slot)
        {
            foreach (MoveTask task in tasks)
            {
                if (task.SourceStaion == chamber && task.SourceSlot == slot)
                {
                    task.swap = IsSwap(task);
                    LOG.Info(string.Format("Get Swap next task, Wafer Moved from {0}{1:D2} to {2}{3:D2}.option is {4}, swasp is {5}", 
                        task.SourceStaion.ToString(), task.SourceSlot, task.DestStaion.ToString(), task.DestSlot,task.option,task.swap));

                    return task;
                }
            }
            return null;
        }

        private MoveTask FindSecondTask(ModuleName chamber, int slot, MoveOption option, bool swap)
        {           

            bool bPassAligner = PassAligner(option);
            if (!bPassAligner && swap)   //task1 swap and no pass aligner, onr task excute
            {
                LOG.Info(string.Format("Get second task, no task"));
                return null;
            }
            
   //         foreach (MoveTask task in tasks)
            if (tasks.Count >1)
            {
                MoveTask task = tasks[1];
                task.swap = IsSwap(task);

                if (task == task1)
                {
                    LOG.Info(string.Format("Get second task, no task"));
                    return null;
                }

                if (task.SourceStaion == chamber && task.SourceSlot == slot)  //task source is task1 target, can't run together
                {
                    LOG.Info(string.Format("Get second task, no task"));
                    return null;
                }

                bool bTaskPassAligner = PassAligner(task.option);    //path should be same
                if (bTaskPassAligner != bPassAligner)
                {
                    LOG.Info(string.Format("Get second task, no task"));
                    return null;
                }

                if (task.swap != swap)
                {
                    LOG.Info(string.Format("Get second task, no task"));
                    return null;
                }

                if (swap)
                {
                    if (task.DestStaion == chamber && task.DestSlot == slot)
                    {
                        LOG.Info(string.Format("Get second task, no task"));
                        return null; ;
                    }
                }

                LOG.Info(string.Format("Get second task, Wafer Moved from {0}{1:D2} to {2}{3:D2}.option is {4}, swap is {5}",
                       task.SourceStaion.ToString(), task.SourceSlot, task.DestStaion.ToString(), task.DestSlot, task.option, task.swap));


                if (task != null)
                {
                    if (!task.swap)
                        WaferManager.Instance.UpdateWaferProcessStatus(task.WaferID, ProcessStatus.Busy);
                }
                return task;
            }


            LOG.Info(string.Format("Get second task, no task"));
            return null;
        }
        
        private MoveTask FindThirdTask(ModuleName chamber, int slot, MoveOption option, bool swap)
        {           

            bool bPassAligner = PassAligner(option);
            if (!bPassAligner && swap)   //task1 swap and no pass aligner, onr task execute
            {
                LOG.Info("Get third task, no task");
                return null;
            }
            
            if (tasks.Count >2)
            {
                MoveTask task = tasks[2];
                task.swap = IsSwap(task);

                if (task == task2)
                {
                    LOG.Info(string.Format("Get third task, no task"));
                    return null;
                }

                if (task.SourceStaion == chamber && task.SourceSlot == slot)  //task source is task1 target, can't run together
                {
                    LOG.Info(string.Format("Get third task, no task"));
                    return null;
                }

                bool bTaskPassAligner = PassAligner(task.option);    //path should be same
                if (bTaskPassAligner != bPassAligner)
                {
                    LOG.Info(string.Format("Get third task, no task"));
                    return null;
                }

                if (task.swap != swap)
                {
                    LOG.Info(string.Format("Get third task, no task"));
                    return null;
                }

                if (swap)
                {
                    if (task.DestStaion == chamber && task.DestSlot == slot)
                    {
                        LOG.Info(string.Format("Get third task, no task"));
                        return null; ;
                    }
                }

                LOG.Info(string.Format("Get third task, Wafer Moved from {0}{1:D2} to {2}{3:D2}.option is {4}, swap is {5}",
                       task.SourceStaion.ToString(), task.SourceSlot, task.DestStaion.ToString(), task.DestSlot, task.option, task.swap));


                if (task != null)
                {
                    if (!task.swap)
                        WaferManager.Instance.UpdateWaferProcessStatus(task.WaferID, ProcessStatus.Busy);
                }
                return task;
            }


            LOG.Info(string.Format("Get third task, no task"));
            return null;
        }

        //private void PostMsg(RouteManager.MSG msg, params object[] objs)
        //{
        //    Singleton<RouteManager>.Instance.PostMsg(msg, objs);
        //}
        private void NotifyError(string module, string message)
        {
            if (OnMoveError != null)
            {
                OnMoveError(new MoveErrorArgument(module, message));
            }
        }
    }
}