using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Fsm;
using Aitex.Core.RT.Log;
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 EnumTransferType TransferType { get; set; }

        public SchedulerLoadLock(ModuleName module) : base(module.ToString())
        {
            _loadLock = EquipmentManager.Modules[module] as LoadLockModuleBase;
        }

        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);

            LogTaskStart(_task, $"{robot} {type} slot {slot + 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;

            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 Cooling(int coolingTime)
        {
            _task = TaskType.Cooling;

            //_entityTaskToken = _loadLock.InvokeCooling(coolingTime);

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

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

        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;
        }
    }
}