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.DataCenter;
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 Aitex.Core.RT.RecipeCenter;
using Venus_RT.Modules;
using Venus_RT.Modules.PMs;
using MECF.Framework.Common.Equipment;
using MECF.Framework.Common.Schedulers;
using MECF.Framework.Common.SubstrateTrackings;
using Venus_RT.Devices;
using Venus_Core;
using MECF.Framework.Common.DataCenter;
using System.IO;

namespace Venus_RT.Scheduler
{

    public class SchedulerPM : SchedulerModule
    {
        public override bool IsAvailable
        {
            get { return _entity.IsIdle && _entity.IsInclude && (_entity.IsOnline || !Singleton<RouteManager>.Instance.IsAutoMode) && CheckTaskDone(); }

        }
        public override bool IsOnline
        {
            get { return _entity != null && _entity.IsOnline; }

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

        }

        public override bool IsIdle
        {
            get { return _entity.IsIdle; }
        }

        public override bool IsVac
        {
            get { return _entity.IsVac; }
        }

        public override bool IsAtm
        {
            get { return _entity.IsAtm; }
        }

        public override int TimeToReady
        {
            get { return _entity.TimeToReady; }
        }
        
        public TaskType Task => _task;
        private PMEntity _entity = null;

        private ModuleName _taskRobot;
        private EnumTransferType _taskTransferType;
        private Hand _taskBlade;
        private int _taskSlot;
        private int _entityTaskToken = (int)FSM_MSG.NONE;

        private DeviceTimer _timerProcess = new DeviceTimer();
        private JetPMBase _pm;

        private int _idleCleanOpt = 0;
        private int _idleCleanHourSetPoint;
        private int _idleCleanWaferSetPoint;
        private int _idleCleanWaferCount;
        private string _idleCleanRecipe;
        private DateTime _lastRunTime = new DateTime();

        private float _paramTemp;

        public float Temperature
        {
            get
            {
                //if (SC.GetValue<bool>($"{Module}.Chiller.EnableChiller"))
                //{
                //    return _pm.CoolantOutletTempFB;
                //}
                //return _pm.SubstrateTempFB;

                return _pm.CoolantOutletTempFB;
            }
        }


        public SchedulerPM(ModuleName chamber) : base(chamber.ToString())
        {
            _entity = Singleton<RouteManager>.Instance.GetPM(chamber);

            _pm = DEVICE.GetDevice<JetPMBase>(Module.ToString());

            EventWaferArrived += WaferArrived;

            LoadIdleCleanOpt();
        }

        public void InitClean()
        {
            //DATA.Subscribe($"{Module}.IdlePurgeNextRunTime", () => IdlePurgeNextRunTime);
            //DATA.Subscribe($"{Module}.IdleCleanNextRunTime", () => IdleCleanNextRunTime);
        }

        public override bool IsReadyForPick(ModuleName robot, int slot, Hand blade)
        {
            return _entity.IsPrepareTransferReady(robot, EnumTransferType.Pick, slot, blade)
                   && WaferManager.Instance.CheckHasWafer(ModuleHelper.Converter(_module), slot);
        }

        public override bool IsReadyForPlace(ModuleName robot, int slot, Hand blade)
        {
            return _entity.IsPrepareTransferReady(robot, EnumTransferType.Place, slot, blade)
                   && WaferManager.Instance.CheckNoWafer(ModuleHelper.Converter(_module), slot);
        }

        public bool IsTemperatureReady(float temp)
        {
            return Math.Abs(Temperature - temp) < SC.GetValue<double>("System.MaxTemperatureToleranceTransferWafer");
        }

        public bool IsPrepareTransfer(ModuleName robot, EnumTransferType type, int slot)
        {
            return _task == TaskType.PrepareTransfer && _taskRobot == robot && _taskSlot == slot &&
                   _taskTransferType == type;
        }

        public override bool PrepareTransfer(ModuleName robot, EnumTransferType type, int slot)
        {
            _task = TaskType.PrepareTransfer;
            _taskRobot = robot;
            _taskSlot = slot;
            _taskTransferType = type;
            _entityTaskToken = _entity.InvokePrepareTransfer(robot, type, slot);

            LogTaskStart(_task, $"{robot} {type} slot {slot + 1}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }


        public bool PrepareTransfer(ModuleName robot, EnumTransferType type, int slot, float temp, Hand blade)
        {
            _task = TaskType.PrepareTransfer;
            _taskRobot = robot;
            _taskSlot = slot;
            _taskBlade = blade;
            _taskTransferType = type;
            _entityTaskToken = _entity.InvokePrepareTransfer(robot, type, slot, temp);

            LogTaskStart(_task, $"{robot} {type} slot {slot + 1}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        public bool PrepareTransfer(ModuleName robot, EnumTransferType type, int slot, float temp, Hand blade, WaferSize size)
        {
            _task = TaskType.PrepareTransfer;
            _taskRobot = robot;
            _taskSlot = slot;
            _taskBlade = blade;
            _taskTransferType = type;
            _entityTaskToken = _entity.InvokePrepareTransfer(robot, type, slot, temp, size);

            LogTaskStart(_task, $"{robot} {type} slot {slot + 1}, {size}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        public override bool PostTransfer(ModuleName robot, EnumTransferType type, int slot)
        {
            StopWaitTransfer(robot);

            _task = TaskType.PostTransfer;
            _taskRobot = robot;
            _taskSlot = slot;
            _taskTransferType = type;
            _entityTaskToken = _entity.InvokePostTransfer(robot, type, slot);

            LogTaskStart(_task, $"{robot} {type} slot {slot + 1}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        public override bool PostTransfer(ModuleName robot)
        {
            StopWaitTransfer(robot);

            _task = TaskType.PostTransfer;
            _taskRobot = robot;
            _taskSlot = _inTransferSlot;
            _taskTransferType = _inTransferType;
            _entityTaskToken = _entity.InvokePostTransfer(robot, _inTransferType, _inTransferSlot);

            LogTaskStart(_task, $"{robot} {_inTransferType} slot {_inTransferSlot + 1}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        public override bool Process(string recipeName, bool isCleanRecipe, RecipeType recipeType, WaferInfo wafer)
        {
            bool withWafer;
            if (recipeType == RecipeType.Clean)
            {
                withWafer = false;
            }
            else
            {
                withWafer = true;
            }
            _task = TaskType.Process;
            LogTaskStart(_task, $"recipe: {recipeName}, clean: {isCleanRecipe}, with wafer: {withWafer}");

            if (RouteManager.IsATMMode)
            {
                int time = SC.GetValue<int>("System.ATMCyclePMDelayTime");
                _timerProcess.Start(time * 1000);

                LOG.Write(eEvent.EV_SCHEDULER, Module, $"System run in ATM mode, process skipped, delay {time} seconds");

                WaferManager.Instance.UpdateWaferProcessStatus(Module, 0, EnumWaferProcessStatus.InProcess);

                return true;
            }
            else
            {
                if(isCleanRecipe)
                {
                    _entityTaskToken = _entity.InvokeClean(recipeName, "", RecipeType.Clean);
                }
                else
                {
                    _entityTaskToken = _entity.InvokeProcess(recipeName,  wafer.WaferOrigin, RecipeType.Process);
                }
                
                return _entityTaskToken != (int)FSM_MSG.NONE;

            }
        }

        public override bool Preheating(float temperature)
        {
            _task = TaskType.Heating;
            _paramTemp = temperature;

            _entityTaskToken = _entity.InvokePreHeat(temperature);

            LogTaskStart(_task, $"preheat to {temperature}");

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

        public bool CheckTaskDone()
        {
            bool ret = false;
            switch (_task)
            {
                case TaskType.None:
                    ret = true;
                    break;
                case TaskType.PrepareTransfer:
                    ret = _entity.CheckAcked(_entityTaskToken) && _entity.IsPrepareTransferReady(_taskRobot, _taskTransferType == EnumTransferType.Swap ? EnumTransferType.Pick : _taskTransferType, _taskSlot, _taskBlade);
                    break;
                case TaskType.PostTransfer:
                    ret = _entity.CheckAcked(_entityTaskToken);
                    break;
                case TaskType.Heating:
                    ret = _entity.CheckAcked(_entityTaskToken) && IsTemperatureReady(_paramTemp);
                    break;
                case TaskType.Process:
                case TaskType.IdlePurgeProcess:
                case TaskType.IdleCleanProcess:
                case TaskType.PreJobProcess:
                case TaskType.CompleteJobProcess:
                    if (RouteManager.IsATMMode)
                    {
                        ret = _timerProcess.IsTimeout() && _entity.IsIdle;

                        if (ret)
                            WaferManager.Instance.UpdateWaferProcessStatus(Module, 0, EnumWaferProcessStatus.Completed);
                    }
                    else
                    {
                        ret = _entity.CheckAcked(_entityTaskToken) && _entity.IsIdle;
                    }

                    break;
            }

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

            return ret;
        }

        public bool Monitor()
        {
            return true;
        }

        public void SetPMAuto()
        {
            _entity.SetAuto();
        }

        public bool IdlePurgeProcess(string recipeName)
        {
            _task = TaskType.IdlePurgeProcess;

            _entityTaskToken = _entity.InvokeClean(recipeName, "", RecipeType.Clean);

            LogTaskStart(_task, $"recipe: {recipeName}, clean: {false}, with wafer: {false}");

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

        public bool IdleCleanProcess(string recipeName)
        {
            _task = TaskType.IdleCleanProcess;

            _entityTaskToken = _entity.InvokeClean(recipeName, "", RecipeType.Clean);

            LogTaskStart(_task, $"recipe: {recipeName}, clean: {true}, with wafer: {false}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        public void PreJobClean()
        {

        }

        public bool PreJobProcess(string recipeName)
        {
            _task = TaskType.PreJobProcess;

            _entityTaskToken = _entity.InvokeClean(recipeName, "", RecipeType.Clean);

            LogTaskStart(_task, $"recipe: {recipeName}, clean: {true}, with wafer: {false}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }


        public bool CompleteJobProcess(string recipeName)
        {
            _task = TaskType.CompleteJobProcess;

            _entityTaskToken = _entity.InvokeClean(recipeName, "", RecipeType.Clean);

            LogTaskStart(_task, $"recipe: {recipeName}, clean: {true}, with wafer: {false}");
            return _entityTaskToken != (int)FSM_MSG.NONE;
        }

        private void WaferArrived(object sender, EventArgs e)
        {
            if(WaferManager.Instance.CheckHasWafer(Module, 0))
            {
                WaferInfo wafer = WaferManager.Instance.GetWafer(Module, 0);
                string recipeName = wafer.ProcessJob.Sequence.GetRecipe(Module);
                if (recipeName.Length > 0)
                {
                    Process(recipeName, false, RecipeType.Process, wafer);
                }
                else
                {
                    LOG.Write(eEvent.WARN_SCHEDULER, Module, "Cannot run process as get recipe failed.");
                }
            }
            else
            {
                LOG.Write(eEvent.WARN_SCHEDULER, Module, "Cannot run process as PM is empty");
            }
        }

        public override void ResetTask()
        {
            _entity.ResetRecipeTime();
            base.ResetTask();
        }

        #region clean task

        private void LoadIdleCleanOpt()
        {
            // Load Idle Clean Config
            _idleCleanOpt = SC.GetValue<int>($"{Module}.IdleClean.Option");
            _idleCleanHourSetPoint = SC.GetValue<int>($"{Module}.IdleClean.IdleCleanTime");
            _idleCleanWaferSetPoint = SC.GetValue<int>($"{Module}.IdleClean.IdleCleanWaferCount");
            _idleCleanWaferCount = SC.GetValue<int>($"{Module}.IdleClean.WaferCountSinceLastClean");
            _idleCleanRecipe = SC.GetStringValue($"{Module}.IdleClean.IdleCleanRecipe");

            string lastRun = SC.GetStringValue($"{Module}.IdleClean.LastRunTime");
            if (lastRun.Length > 10)
            {
                try
                {
                    _lastRunTime = DateTime.Parse(lastRun);
                }
                catch
                {
                    lastRun = string.Empty;
                }
            }

            if (lastRun.Length <= 10)
            {
                _lastRunTime = DateTime.Now;
                SC.SetItemValueFromString($"{Module}.IdleClean.LastRunTime", _lastRunTime.ToString());
            }

            // validate the idle clean recipe name
            string path = Path.Combine("Recipes", Module.ToString(), "Clean", $"{_idleCleanRecipe}.rcp");
            string recipeContent = RecipeFileManager.Instance.LoadRecipeByPath(path);
            
            Recipe recipe = Recipe.Load(recipeContent);
            if (recipe == null)
            {
                _idleCleanRecipe = string.Empty;
            }
        }

        public void WaferProcessDone()
        {
            _lastRunTime = DateTime.Now;
            SC.SetItemValueFromString($"{Module}.IdleClean.LastRunTime", _lastRunTime.ToString());

            _idleCleanWaferCount++;
            SC.SetItemValue($"{Module}.IdleClean.IdleCleanWaferCount", _idleCleanWaferCount);
        }
        
        private void ResetIdleCleanCounter()
        {
            _lastRunTime = DateTime.Now;
            SC.SetItemValueFromString($"{Module}.IdleClean.LastRunTime", _lastRunTime.ToString());

            _idleCleanWaferCount = 0;
            SC.SetItemValue($"{Module}.IdleClean.IdleCleanWaferCount", _idleCleanWaferCount);
        }

        public bool RunIdleCleanTask()
        {
            if(_idleCleanOpt == 1)
            {
                TimeSpan span = DateTime.Now - _lastRunTime;
                if(span.TotalHours >= _idleCleanHourSetPoint)
                {
                    Process(_idleCleanRecipe, true, RecipeType.Clean, null);
                    ResetIdleCleanCounter();
                    return true;
                }
            }
            else if(_idleCleanOpt == 2)
            {
                if(_idleCleanWaferCount >= _idleCleanWaferSetPoint)
                {
                    Process(_idleCleanRecipe, true, RecipeType.Clean, null);
                    ResetIdleCleanCounter();
                    return true;
                }
            }

            return false;
        }

        public bool RunJobCleanTask(string jobCleanRecipe)
        {
            // validate the job clean recipe name
            //string recipeContent = RecipeFileManager.Instance.LoadRecipe(Module.ToString(), jobCleanRecipe, false);
            string path = Path.Combine( "Recipes", Module.ToString(),"Clean" , $"{jobCleanRecipe}.rcp");
            string recipeContent = RecipeFileManager.Instance.LoadRecipeByPath(path);
            if (recipeContent.Length == 0)
            {
                return false;
            }

            Recipe recipe = Recipe.Load(recipeContent);
            if (recipe == null)
            {
                LOG.Write(eEvent.WARN_ROUTER, Module, $"Loading clean recipe: {path} failed");
                return false;
            }

            return Process(jobCleanRecipe, true, RecipeType.Clean, null);
        }

        #endregion
    }
}