using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Aitex.Core.Common;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.Fsm;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.SCCore;
using Aitex.Core.Util;
using Aitex.Sorter.Common;
using EfemDualSchedulerLib.Schedulers;
using MECF.Framework.Common.Equipment;
using MECF.Framework.Common.Schedulers;
using MECF.Framework.Common.SubstrateTrackings;
using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.LoadLocks;
using MECF.Framework.RT.ModuleLibrary.BufferModules;
using MECF.Framework.RT.ModuleLibrary.LLModules;
using MECF.Framework.RT.ModuleLibrary.SystemModules;

namespace EfemDualSchedulerLib.Schedulers
{

    public class SchedulerLoadLock : SchedulerModule
    {
        public override bool IsAvailable
        {
            get { return _loadLock.IsReady && _loadLock.IsOnline && CheckTaskDone(); }

        }
        public override bool IsOnline
        {
            get { return _loadLock.IsOnline; }

        }
        public override bool IsError
        {
            get { return _loadLock.IsError; }

        }

        private LoadLockModuleBase  _loadLock;

        public LoadLockModuleBase Entity
        {
            get
            {
                return _loadLock;
            }
        }

        private ModuleName _taskRobot;
        private int[] _taskSlot;
        private int _entityTaskToken = (int)FSM_MSG.NONE;
        private bool _isATM;
        private long[] _slotDelayTime;
        private EnumTransferType TransferType { get; set; }

        public SchedulerLoadLock(ModuleName module) : base(module.ToString())
        {
            _loadLock = EquipmentManager.Modules[module] as LoadLockModuleBase;
            _isATM = SC.IsATMMode;
            _slotDelayTime = new long[_loadLock.SlotCount];
        }

        void OnFieldChanged(object sender, string name, object fieldValue)
        {
            if (name == nameof(_loadLock.IsOnline))
            {
                bool v = (bool)fieldValue;
                if (!v && _task != TaskType.None)
                {
                    LOG.Warning($"{Module} abort {_task} since offline");
                    _task = TaskType.None;
                }
            }
        }
        public void Reset()
        {
            _task = TaskType.None;
        }

        public override bool PrepareTransfer(ModuleName robot, EnumTransferType type, int[] slot)
        {
            _task = TaskType.PrepareTransfer;
            _taskRobot = robot;
            _taskSlot = slot;
            TransferType = type;

            _loadLock.PrepareTransfer(robot, Hand.Blade1, slot, type, out string reason);
            Array.ForEach(slot,p=> LogTaskStart(_task, $"{robot} {type} slot {p + 1}"));

            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        internal bool CheckAtAtm()
        {
            //LoadLock deviceLL = DEVICE.GetDevice<LoadLock>(_module);

            //return deviceLL.CheckAtm();
            return true;
        }

        internal bool CheckAtVacuum()
        {
            //LoadLock deviceLL = DEVICE.GetDevice<LoadLock>(_module);

            //return deviceLL.CheckVacuum();

            return true;
        }

        public override bool IsReadyForPick(ModuleName robot, Hand hand, int slot)
        {
            if (!_loadLock.CheckReadyForTransfer(robot, hand, slot, EnumTransferType.Pick, out string reason))
                return false;
            if(_slotDelayTime[slot] != -1)
            {
                if (_slotDelayTime[slot] > GetTickCount())
                    return false;    
            }
            return WaferManager.Instance.CheckHasWafer(ModuleHelper.Converter(_module), slot);
        }

        public override bool IsReadyForPlace(ModuleName robot, Hand hand, int slot)
        {
            if (!_loadLock.CheckReadyForTransfer(robot, hand, slot, EnumTransferType.Place, out string reason))
                return false;

            return WaferManager.Instance.CheckNoWafer(ModuleHelper.Converter(_module), slot);
        }

        public override bool IsReadyForPlace(ModuleName robot, Hand hand, int slot, bool isNeedPair)
        {
            if (!_loadLock.CheckReadyForTransfer(robot, hand, slot, EnumTransferType.Place, out string reason))
                return false;

            var checkNoWafer = WaferManager.Instance.CheckNoWafer(ModuleHelper.Converter(_module), slot);
            if(SC.IsDoubleFork && checkNoWafer && robot == ModuleName.EfemRobot && isNeedPair)
            {
                for(int i= 5;i > slot;i--)
                {
                    var wafer1 = WaferManager.Instance.GetWafer(ModuleHelper.Converter(_module), i);
                    if(wafer1 != null && !wafer1.IsEmpty)
                    {
                        var nextSlot = (i % 2 > 0) ? i - 1 : i + 1;
                        var nextWafer = WaferManager.Instance.GetWafer(ModuleHelper.Converter(_module), nextSlot);
                        if (nextWafer != null && !nextWafer.IsEmpty) continue;

                        var targetWafer = WaferManager.Instance.GetWafer(robot, (int)hand);
                        if ((targetWafer.ProcessJob !=null && wafer1.ProcessJob != null) &&
                            (targetWafer.ProcessJob.Sequence != null && wafer1.ProcessJob.Sequence != null) &&
                            (wafer1.ProcessState == EnumWaferProcessStatus.Idle) &&
                            (targetWafer.ProcessJob.Sequence.Name == wafer1.ProcessJob.Sequence.Name) &&  
                            slot != nextSlot) return false;
                    }
                }
                var leftOrRightSlot = (slot % 2 > 0) ? slot - 1 : slot + 1;
                checkNoWafer = WaferManager.Instance.CheckNoWafer(ModuleHelper.Converter(_module), leftOrRightSlot);
                if(!checkNoWafer)
                {
                    var wafer0 = WaferManager.Instance.GetWafer(robot, (int)hand);
                    var wafer1 = WaferManager.Instance.GetWafer(ModuleHelper.Converter(_module), leftOrRightSlot);
                    checkNoWafer = (wafer1.ProcessJob==null || wafer0.ProcessJob == null) ||
                                   ((wafer1.ProcessJob != null && wafer0.ProcessJob != null) &&
                                   (wafer1.ProcessState == EnumWaferProcessStatus.Idle) &&
                                   (wafer1.ProcessJob.Sequence != null && wafer0.ProcessJob.Sequence != null) &&
                                   (wafer1.ProcessJob.Sequence.Name == wafer0.ProcessJob.Sequence.Name));
                }
            }
            return checkNoWafer;
        }

        public override bool Cooling(int coolingTime)
        {
            _task = TaskType.Cooling;

            //_entityTaskToken = _loadLock.InvokeCooling(coolingTime);

            LogTaskStart(_task, $"{Module} cooling {coolingTime} seconds");

            return _entityTaskToken != (int)FSM_MSG.NONE;
        }
        private long GetTickCount()
        {
            //毫秒
            return DateTime.Now.Ticks / 10000;
        }
        public override bool PostTransfer(ModuleName ll, EnumTransferType type, int slot)
        {
            var waferDelayTime = SC.GetValueOrDefault<int>("System.Scheduler.WaferDelayTime");
            var wafer = WaferManager.Instance.GetWafer(ll, slot);
            if (_isATM || waferDelayTime == 0 || wafer.ProcessState == EnumWaferProcessStatus.Idle)
                _slotDelayTime[slot] = -1;
            else
            {
                _slotDelayTime[slot] = waferDelayTime * 1000 + GetTickCount();
                EV.PostInfoLog(Module.ToString(), $"{ll} Delay {waferDelayTime} seconds at slot {slot + 1}");
            }
            return true;
        }

        public bool Monitor()
        {
            return true;
        }

        public bool CheckTaskDone()
        {
            bool ret = false;
            switch (_task)
            {
                case TaskType.None:
                    ret = true;
                    break;
                case TaskType.PrepareTransfer:
                    //ret = _loadLock.CheckReadyForTransfer(_taskRobot, TransferType);
                    break;
                case TaskType.PreCooling:
                    //ret = _loadLock.IsPreCoolingDone();
                    break;
            }

            if (ret && _task != TaskType.None)
            {
                LogTaskDone(_task, "");
                _task = TaskType.None;
            }

            return ret;
        }
    }
}