using Aitex.Core.Common;
using Aitex.Core.RT.Device.Unit;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.Routine;
using Aitex.Core.RT.SCCore;
using Aitex.Core.Util;
using Aitex.Sorter.Common;
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;
using Venus_Core;
using Venus_RT.Modules.Schedulers;

namespace Venus_RT.Modules
{
    public class SEManualTransfer : IRoutine
    {

        SchedulerSETMRobot _tmrobot = (SchedulerSETMRobot)Singleton<TransferModule>.Instance.GetScheduler(ModuleName.SETM);
        
        private List<MoveItem> _moveQueue = new List<MoveItem>();
        private MovingStatus _moving_status = MovingStatus.Idle;
        private RState _transferstate = RState.Init;

        private int _tmRobotSingleArmOption = 0;//usable wafer
        private ModuleName source_station;
        private int source_slot;
        private ModuleName destination_station;
        private int destination_slot;
        private ModuleName original_station;
        private int original_slot;
        private float align_angle;
        public SEManualTransfer()
        {
        }

        public RState Start(params object[] objs)
        {
            _moveQueue.Clear();
            // obj is enable && robot is usable
            if (objs.Length > 6)
            {
                _transferstate = RState.Running;

                //get where we from and where we go
                source_station = (ModuleName)Enum.Parse(typeof(ModuleName),objs[0].ToString());
                source_slot = Convert.ToInt32(objs[1]);
                destination_station = (ModuleName)Enum.Parse(typeof(ModuleName), objs[2].ToString());
                destination_slot = Convert.ToInt32(objs[3]);

                WaferInfo waferInfo = WaferManager.Instance.GetWafer(source_station,source_slot);
                original_station = (ModuleName)waferInfo.OriginStation;
                original_slot = waferInfo.OriginSlot;

                if ((bool)objs[4])
                {
                    align_angle = float.Parse(objs[5].ToString());
                    _moving_status = MovingStatus.WaitAlign;
                }
                else
                    _moving_status = MovingStatus.Waiting;



                if (ModuleHelper.IsVCE(source_station)  && _tmrobot.IsVCESlitDoorClosed)
                {
                    LOG.Write(eEvent.ERR_TM, ModuleName.TMRobot, $"cannot transfer from {source_station} as VCE InnerDoor is close.");
                    _transferstate = RState.Failed;
                }

                if (ModuleHelper.IsVCE(destination_station) && _tmrobot.IsVCESlitDoorClosed)
                {
                    LOG.Write(eEvent.ERR_TM, ModuleName.TMRobot, $"cannot transfer to {destination_station} as VCE InnerDoor is close.");
                    _transferstate = RState.Failed;
                }

                //from tm to tm
                if (source_station == destination_station && ModuleHelper.IsTMRobot(source_station))
                {
                    LOG.Write(eEvent.ERR_TM,ModuleName.TMRobot,"cannot transfer from TMRobot to TMRobot.");
                    _transferstate = RState.Failed;
                }

                if(WaferManager.Instance.CheckNoWafer(source_station,source_slot))
                {
                    LOG.Write(eEvent.ERR_TM, ModuleName.TMRobot, "cannot transfer cause wafer has no wafer.");
                    _transferstate = RState.Failed;
                }

                if (WaferManager.Instance.CheckHasWafer(destination_station, destination_slot))
                {
                    LOG.Write(eEvent.ERR_TM, ModuleName.TMRobot, "cannot transfer cause wafer has wafer.");
                    _transferstate = RState.Failed;
                }

            }
            else 
            {
                _transferstate = RState.Failed;
            }

            return _transferstate;
        }

        public RState Monitor()
        {
            //if tm is free
            if (_tmrobot.IsAvailable)
            {
                CheckTransferOver();
                WaferNextGoto();
                TMRobotTask();
            }

            return _transferstate;
        }

        private void CheckTransferOver()
        {
            //when the transfer is over?
            //the wafer has arrived the targetModule and targetSlot
            if (WaferManager.Instance.CheckHasWafer(destination_station,destination_slot) 
                && (ModuleName)WaferManager.Instance.GetWafer(destination_station, destination_slot).OriginStation == original_station
                && WaferManager.Instance.GetWafer(destination_station, destination_slot).OriginSlot == original_slot)
            {
                _moving_status = MovingStatus.Idle;
                _transferstate = RState.End;
            }
        }

        private void WaferNextGoto()
        {
                switch(_moving_status)
                {
                    case MovingStatus.WaitAlign:
                        _moveQueue.Add(new MoveItem(source_station, source_slot, ModuleName.VPA, 0, 0));
                        _moving_status = MovingStatus.StartAlign;
                        break;
                    case MovingStatus.StartAlign:
                        _tmrobot.Align(align_angle);
                        _moving_status = MovingStatus.Aligning;
                        break;
                    case MovingStatus.Aligning:
                        _moveQueue.Add(new MoveItem(ModuleName.VPA, 0, destination_station, destination_slot, 0));
                        break;
                    //goto slot need to go
                    case MovingStatus.Waiting:
                        _moveQueue.Add(new MoveItem(source_station, source_slot, destination_station, destination_slot, 0));
                        break;
                }
            
        }

        private void TMRobotTask()
        {
            if (_tmrobot.IsAvailable)
            {
                if (_moveQueue.Count > 0 && _tmrobot.PostMoveItems(_moveQueue.ToArray()))
                {
                    foreach (var item in _moveQueue)
                    {
                        var wafer = WaferManager.Instance.GetWafer(item.SourceModule, item.SourceSlot);
                        if (wafer.IsEmpty && _tmrobot.IsAvailable)
                        {
                            // post alarm
                            _transferstate = RState.Failed;
                            LOG.Write(eEvent.ERR_ROUTER, ModuleName.System, $"Cannot run TM moving task as Get {item.SourceModule}{item.SourceSlot} Wafer Info failed");
                            return;
                        }

                    }
                    _moveQueue.Clear();
                }
            }
        }

        public void Abort()
        {

        }
    }
}