using Aitex.Core.Common.DeviceData;
using Aitex.Core.RT.DataCenter;
using Aitex.Core.RT.Device;
using Aitex.Core.RT.Event;
using Aitex.Core.RT.IOCore;
using Aitex.Core.RT.Log;
using Aitex.Core.RT.OperationCenter;
using Aitex.Core.RT.SCCore;
using Aitex.Core.RT.Tolerance;
using Aitex.Core.Util;
using Aitex.Core.Utilities;
using MECF.Framework.Common.Event;
using MECF.Framework.RT.EquipmentLibrary.HardwareUnits.MFCs;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Xml;

namespace FurnaceRT.Equipments.PMs.Devices
{
    public class IoMFC : BaseDevice, IDevice, IMfc
    {
        public string Unit
        {
            get; set;
        }

        public double Scale
        {
            get
            {
                if (_scN2Scale == null || _scScaleFactor == null)
                    return 0;
                return _scN2Scale.DoubleValue * _scScaleFactor.DoubleValue;
            }
        }

        private double _setpoint;
        public double SetPoint
        {
            get
            {
                return _setpoint;
            }
            set
            {
                _setpoint = value;
                if (_aoFlow != null)
                {
                    //var setpoint = Scale != 0 ? (float)(value * _maxScale / Scale) : value;
                    if (_isFloatAioType)
                        _aoFlow.FloatValue = (float)value;
                    else
                        _aoFlow.Value = (short)value;
                }
            }
        }

        public double DefaultSetPoint
        {
            get
            {
                if (_scDefaultSetPoint != null)
                    return _scDefaultSetPoint.DoubleValue;
                return 0;
            }
        }

        public double FeedBack
        {
            get
            {
                if (_aiFlow != null)
                {
                    return _isFloatAioType ? _aiFlow.FloatValue : _aiFlow.Value;

                    //var phy = _aiFlow == null ? 0 : (_isFloatAioType ? _aiFlow.FloatValue : _aiFlow.Value);
                    //return Converter.Phy2Logic(phy, 0, Scale, 0, _phyScale);

                    //return _maxScale != 0 ? aiValue * Scale / _maxScale : aiValue;
                }
                return 0;
            }
        }

        public bool EnableAlarm
        {
            get
            {
                if (_scEnableAlarm != null)
                    return _scEnableAlarm.BoolValue;
                return false;
            }
        }

        public bool IsStable
        {
            get
            {
                if (!_stableDelayTimer.IsIdle() && _stableDelayTimer.GetElapseTime() >= _stableDelayTime * 1000)
                {
                    if (_stableJudgmentTimer.IsRunning)
                    {
                        if (FeedBack < SetPoint * (100 - _stableMinValue) / 100 ||
                            FeedBack > SetPoint * (100 + _stableMaxValue) / 100)
                        {
                            _stableJudgmentTimer.Restart();
                        }
                        if (_stableJudgmentTimer.ElapsedMilliseconds >= _stableJudgmentTime * 1000)
                        {
                            return true;
                        }
                    }
                    else
                    {
                        _stableJudgmentTimer.Restart();
                    }
                }

                return false;
            }
        }

        public AITMfcData DeviceData
        {
            get
            {
                AITMfcData data = new AITMfcData()
                {
                    UniqueName = $"{Module}.{Name}",
                    Type = "MFC",
                    Module = Module,
                    DeviceName = Name,
                    DeviceSchematicId = DeviceID,
                    DisplayName = DisplayName,
                    FeedBack = FeedBack < 0 ? 0 : FeedBack,
                    SetPoint = SetPoint,
                    Ramping = _ramping,
                    AlarmWatchTable = AlarmWatchTable,
                    Scale = Scale,
                    //IsWarning = !AlarmToleranceWarning.IsAcknowledged,
                    //IsError = !AlarmToleranceAlarm.IsAcknowledged,
                    Unit = Unit,
                    VirtualSetPoint = (float)VirtualSetPoint,
                    VirtualFeedBack = (float)VirtualFeedBack,
                    VirtualAlarmWatchTable = VirtualAlarmWatchTable,
                    VirtualRamping = VirtualRamping,
                    IsInstalled= IsMFCInstalled
                };

                return data;
            }
        }


        public string DisplayName
        {
            get
            {
                if (_scGasName != null)
                    return _scGasName.StringValue;
                return Display;
            }
        }

        public string AlarmWatchTable
        {
            get;
            set;
        }

        public double VirtualSetPoint;
        public double VirtualFeedBack;
        public string VirtualAlarmWatchTable;
        public float VirtualRamping;

        private DeviceTimer _rampTimer = new DeviceTimer();
        private double _rampTarget;
        private double _rampInitValue;
        private int _rampTime;
        private float _ramping;
        private double _phyScale;

        private ToleranceChecker _toleranceCheckerWarning = new ToleranceChecker();
        private ToleranceChecker _toleranceCheckerAlarm = new ToleranceChecker();

        private AIAccessor _aiFlow;
        private AOAccessor _aoFlow;
        private AOAccessor _aoRamp;

        private bool _isErrorStatus;
        private bool _isMFCInstalled;
        private int _mfcIndex;

        public bool IsMFCInstalled
        {
            get { return _isMFCInstalled; }
        }

        public int MFCIndex
        {
            get { return _mfcIndex; }
        }

        protected SCConfigItem _scGasName;
        protected SCConfigItem _scEnable;
        private SCConfigItem _scN2Scale;
        private SCConfigItem _scScaleFactor;
        private SCConfigItem _scEnableAlarm;
        private SCConfigItem _scDefaultSetPoint;
        private SCConfigItem _scRegulationFactor;



        //tolerance check
        private float _alarmJudgmentRange;
        private float _warningJudgmentRange;
        private float _alarmJudgmentTime;
        private float _warningJudgmentTime;
        private float _toleranceJudgmentDelayTime;
        private DeviceTimer _toleranceJudgmentDelayTimer = new DeviceTimer();

        //stable check
        private DeviceTimer _stableDelayTimer = new DeviceTimer();
        private float _stableDelayTime;
        private Stopwatch _stableJudgmentTimer = new Stopwatch();
        private float _stableJudgmentTime = 1;
        private float _stableMinValue;
        private float _stableMaxValue;

        public AlarmEventItem AlarmToleranceWarning { get; set; }
        public AlarmEventItem AlarmToleranceAlarm { get; set; }

        private bool _isFloatAioType = false;
        private bool _isWait;
        private float _waitHigh;
        private float _waitLow;
        private string _writeLog = "";

        public IoMFC(string module, XmlElement node, string ioModule = "")
        {
            Unit = node.GetAttribute("unit");
            base.Module = string.IsNullOrEmpty(node.GetAttribute("module")) ? module : node.GetAttribute("module");
            base.Name = node.GetAttribute("id");
            base.Display = node.GetAttribute("display");
            base.DeviceID = node.GetAttribute("schematicId");

            _aiFlow = ParseAiNode("aiFlow", node, ioModule);
            _aoFlow = ParseAoNode("aoFlow", node, ioModule);
            _aoRamp = ParseAoNode("aoRamp", node, ioModule);

            _isFloatAioType = !string.IsNullOrEmpty(node.GetAttribute("aioType")) && (node.GetAttribute("aioType") == "float");

            string scBasePath = node.GetAttribute("scBasePath");
            if (string.IsNullOrEmpty(scBasePath))
                scBasePath = $"{Module}.MFC.{Name}";
            else
            {
                scBasePath = scBasePath.Replace("{module}", Module);
            }

            _scGasName = SC.GetConfigItem($"{scBasePath}.{Name}.GasName");
            _scEnable = SC.GetConfigItem($"{scBasePath}.{Name}.Enable");
            _isMFCInstalled = SC.GetConfigItem($"{scBasePath}.{Name}.IsMFCInstalled").BoolValue;

            _scN2Scale = ParseScNode("scN2Scale", node, ioModule, $"{scBasePath}.{Name}.N2Scale");

            _scScaleFactor = ParseScNode("scScaleFactor", node, ioModule, $"{scBasePath}.{Name}.ScaleFactor");
            _scEnableAlarm = ParseScNode("scEnableAlarm", node, ioModule, $"{scBasePath}.{Name}.EnableAlarm");
            _scDefaultSetPoint = ParseScNode("scDefaultSetPoint", node, ioModule, $"{scBasePath}.{Name}.DefaultSetPoint");

            _scRegulationFactor = ParseScNode("scFlowRegulationFactor", node, ioModule, $"{scBasePath}.{Name}.RegulationFactor");

            if (SC.ContainsItem($"{scBasePath}.{Name}.FlowUnit"))
                Unit = SC.GetStringValue($"{scBasePath}.{Name}.FlowUnit");
        }

        public bool Initialize()
        {
            DATA.Subscribe($"{Module}.{Name}.DeviceData", () => DeviceData);
          
            DATA.Subscribe($"{Module}.{Name}.Feedback", () => FeedBack);
            DATA.Subscribe($"{Module}.{Name}.SetPoint", () => SetPoint);

            //  DATA.Subscribe($"{Module}.{Name}.ForceOpen", () => _doOpen.Value);
            //   DATA.Subscribe($"{Module}.{Name}.ForceClose", () => _doClose.Value);

            OP.Subscribe($"{Module}.{Name}.Ramp", (out string reason, int time, object[] param) =>
            {
                double target = Convert.ToDouble(param[0].ToString());

                if (target < 0 || target > Scale)
                {
                    reason = $"set {Display} value {target} out of range [0, {Scale}] {Unit}";
                    return false;
                }

                Ramp(target, time);

                if (time > 0)
                {
                    reason = $"{Display} ramp to {target} {Unit} in {time} seconds";
                }
                else
                {
                    reason = $"{Display} ramp to {target} {Unit}";
                }
                return true;
            });

            OP.Subscribe($"{Module}.{Name}.SetParameters", SetParameters);
            OP.Subscribe($"{Module}.{Name}.SetMfcValue", SetMfcValue);
            OP.Subscribe($"{Module}.{Name}.SetMfcVirtualValue", SetMfcVirtualValue);

            //_phyScale = SC.GetValue<double>($"{Module}.MFC.{Name}.PhyScale");

            return true;
        }
        public void Monitor()
        {
            if(!string.IsNullOrEmpty(_writeLog))
            {
                LOG.Write(_writeLog);
                _writeLog = "";
            }

            //MonitorRamping();

            //MonitorTolerance();
        }

        public bool ResetWarningChecker()
        {
            _toleranceCheckerWarning.Reset(_warningJudgmentTime);

            return true;
        }

        public bool ResetAlarmChecker()
        {
            _toleranceCheckerAlarm.Reset(_alarmJudgmentTime);

            return true;
        }

        public void Reset()
        {
            _toleranceCheckerWarning.Reset(_warningJudgmentTime);
            _toleranceCheckerAlarm.Reset(_alarmJudgmentTime);

            //AlarmToleranceWarning.Reset();
            //AlarmToleranceAlarm.Reset();
        }

        public void Terminate()
        {
            Ramp(DefaultSetPoint, 0);
        }

        private bool SetParameters(out string reason, int time, object[] param)
        {
            reason = string.Empty;
            var paras = param[0].ToString().Split(';');//flow;rampTime
            _isWait = false;

            float setpoint = 0.0f;
            if (paras[0].ToString() == "Continue")
            {
                EV.PostInfoLog(Module, $"Set {DisplayName} flow to Continue");
                return true;
            }
            else
            {
                if (System.Text.RegularExpressions.Regex.Match(paras[0].ToString(), @"[a-zA-Z]").Success)
                {
                    var table = paras[0].ToString().Split(':')[0];
                    if (SC.ContainsItem($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}"))
                        setpoint = (float)SC.GetValue<double>($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}");
                }
                else
                {
                    float.TryParse(paras[0].ToString(), out setpoint);
                }
            }

            float ramp = 0;
            if (paras.Length > 1)
                float.TryParse(paras[1].ToString(), out ramp);

            if (paras.Length >= 8)
            {
                var setUnit = paras[2].ToString();
                var ramprateUnit = paras[3].ToString();
                bool.TryParse(paras[4].ToString(), out _isWait);
                float.TryParse(paras[5].ToString(), out float waitHigh);
                float.TryParse(paras[6].ToString(), out float waitLow);
                var waitUnit = paras[7].ToString();

                if(waitUnit.ToLower() == "%sv")
                {
                    _waitHigh = setpoint * waitHigh;
                    _waitLow = setpoint * waitLow;
                }
                else if(waitUnit.ToLower() == "%fs")
                {
                    _waitHigh = (float)_scN2Scale.DoubleValue * waitHigh;
                    _waitLow = (float)_scN2Scale.DoubleValue * waitLow;
                }
                else
                {
                    _waitHigh = waitHigh;
                    _waitLow = waitLow;
                }
                _stableJudgmentTimer.Stop();

                if (ramprateUnit.ToLower() == "time")
                {
                    if (ramp > 0)
                        ramp = (float)(setpoint - FeedBack) / ramp;
                }
                else if (ramprateUnit.ToLower() == "%")
                {
                    ramp = (float)_scN2Scale.DoubleValue * ramp;
                }
            }

            SetPoint = setpoint;
            _aoRamp.FloatValue = ramp;

            //LOG.Write($"{Name} setpoint={setpoint}, ramp={ramp} wait={_isWait} waitHigh={_waitHigh} waitLow={_waitLow}");
            _writeLog = $"{Name} setpoint={setpoint}, ramp={ramp} wait={_isWait} waitHigh={_waitHigh} waitLow={_waitLow}";

            return true;
        }
        public bool SetMfcValue(out string reason, int time, object[] param)
        {
            reason = string.Empty;

            float setpoint = 0.0f;

            var paras = param[0].ToString().Split(';'); // setpoint;ramping;alarmWatchTable

            if (System.Text.RegularExpressions.Regex.Match(paras[0].ToString(), @"[a-zA-Z]").Success)
            {
                var table = paras[0].ToString().Split(':')[0];
                if (SC.ContainsItem($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}"))
                    setpoint = (float)SC.GetValue<double>($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}");
            }
            else
            {
                float.TryParse(paras[0].ToString(), out setpoint);
            }

            float ramp = 0;
            if (paras.Length > 1)
                float.TryParse(paras[1].ToString(), out ramp);

            if (paras.Length > 2)
            {

            }

            SetPoint = setpoint;
            _ramping = ramp;
            _aoRamp.FloatValue = ramp;
            LOG.Write($"{Name} setpoint={setpoint}, ramp={ramp}");

            return true;
        }

        public bool SetMfcSetPoint(out string reason, int time, object[] param)
        {
            reason = string.Empty;

            float setpoint = 0.0f;

            var paras = param[0].ToString().Split(';'); // setpoint;ramping;alarmWatchTable

            if (System.Text.RegularExpressions.Regex.Match(paras[0].ToString(), @"[a-zA-Z]").Success)
            {
                var table = paras[0].ToString().Split(':')[0];
                if (SC.ContainsItem($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}"))
                    setpoint = (float)SC.GetValue<double>($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}");
            }
            else
            {
                float.TryParse(paras[0].ToString(), out setpoint);
            }

            float ramp = 0;
            if (paras.Length > 1)
                float.TryParse(paras[1].ToString(), out ramp);
            _setpoint = setpoint;
            _ramping = ramp;
            _aoRamp.FloatValue = ramp;
            LOG.Write($"{Name} setpoint={setpoint}, ramp={ramp}");

            return true;
        }

        public bool SetMfcVirtualValue(out string reason, int time, object[] param)
        {
            reason = string.Empty;

            float setpoint = 0.0f;

            var paras = param[0].ToString().Split(';'); // setpoint;ramping;alarmWatchTable

            if (System.Text.RegularExpressions.Regex.Match(paras[0].ToString(), @"[a-zA-Z]").Success)
            {
                var table = paras[0].ToString().Split(':')[0];
                if (SC.ContainsItem($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}"))
                    setpoint = (float)SC.GetValue<double>($"{Module}.RecipeEditParameter.FlowSetting.{Name}.{table}");
            }
            else
            {
                float.TryParse(paras[0].ToString(), out setpoint);
            }

            VirtualSetPoint = setpoint;
            VirtualFeedBack = setpoint;

            if (paras.Length > 1)
            {
                float.TryParse(paras[1].ToString(), out _ramping);
                VirtualRamping = _ramping;
            }

            return true;
        }

        public bool Ramp(double flowSetPoint, int time, out string reason)
        {
            if (HasAlarm)
            {
                reason = $"{DisplayName} in error status, can not flow";
                return false;
            }

            if (flowSetPoint < 0 || flowSetPoint > Scale)
            {
                reason = $"{DisplayName} range is [0, {Scale}], can not flow {flowSetPoint}";
                return false;
            }

            if (time > 0)
            {
                EV.PostInfoLog(Module, $"Set {DisplayName} flow to {flowSetPoint} {Unit} in {time / 1000:F0} seconds");
            }
            else
            {
                EV.PostInfoLog(Module, $"Set {DisplayName} flow to {flowSetPoint} {Unit}");
            }

            Ramp(flowSetPoint, time);
            reason = string.Empty;
            return true;
        }

        public void Ramp(int time)
        {
            Ramp(DefaultSetPoint, time);
        }

        public void Ramp(double target, int time)
        {
            target = Math.Max(0, target);
            target = Math.Min(Scale, target);
            _rampInitValue = FeedBack;    //ramp 初始值取当前设定值，而非实际读取值.零漂问题
            _rampTime = time;
            _rampTarget = target;
            _rampTimer.Start(time);
        }

        public void StopRamp()
        {
            Ramp(SetPoint, 0);
        }

        private void MonitorRamping()
        {
            if (!_rampTimer.IsIdle())
            {
                if (_rampTimer.IsTimeout() || _rampTime == 0)
                {
                    _rampTimer.Stop();
                    SetPoint = _rampTarget;
                }
                else
                {
                    SetPoint = _rampInitValue + (_rampTarget - _rampInitValue) * _rampTimer.GetElapseTime() / _rampTime;
                }
            }
        }

        private void MonitorTolerance()
        {
            if (!EnableAlarm || SetPoint < 0.01 ||
                _toleranceJudgmentDelayTimer.IsIdle() ||
                _toleranceJudgmentDelayTimer.GetElapseTime() < _toleranceJudgmentDelayTime * 1000)
            {
                _toleranceCheckerWarning.RST = true;
                _toleranceCheckerAlarm.RST = true;
                return;
            }

            if (_warningJudgmentRange != 0 && _warningJudgmentTime > 0)
            {
                _toleranceCheckerWarning.Monitor(FeedBack, (SetPoint - Math.Abs(_warningJudgmentRange)), (SetPoint + Math.Abs(_warningJudgmentRange)), _warningJudgmentTime);
                if (_toleranceCheckerWarning.Trig)
                {
                    //AlarmToleranceWarning.Description = $"{Display} flow out of range {_warningJudgmentRange} {Unit} in {_warningJudgmentTime:F0} seconds";
                    AlarmToleranceWarning.Set($"{Display} flow out of range {_warningJudgmentRange} {Unit} in {_warningJudgmentTime:F0} seconds");
                }
            }

            if (_alarmJudgmentRange != 0 && _alarmJudgmentTime > 0)
            {
                _toleranceCheckerAlarm.Monitor(FeedBack, (SetPoint - Math.Abs(_alarmJudgmentRange)), (SetPoint + Math.Abs(_alarmJudgmentRange)), _alarmJudgmentTime);
                if (_toleranceCheckerAlarm.Trig)
                {
                    //AlarmToleranceAlarm.Description = $"{Display} flow out of range {_alarmJudgmentRange} {Unit} in {_alarmJudgmentTime:F0} seconds";
                    AlarmToleranceAlarm.Set($"{Display} flow out of range {_alarmJudgmentRange} {Unit} in {_alarmJudgmentTime:F0} seconds");
                }
            }
        }
        public bool CheckWaitCondition(out string reason)
        {
            reason = "";
            if (!_isWait || _waitHigh == 0 || _waitLow == 0)
                return true;

            if (_stableJudgmentTimer.IsRunning)
            {
                if (FeedBack < SetPoint - _waitLow ||
                    FeedBack > SetPoint + _waitHigh)
                {
                    _stableJudgmentTimer.Restart();
                }
                if (_stableJudgmentTimer.ElapsedMilliseconds >= _stableJudgmentTime * 1000)
                {
                    return true;
                }
            }
            else
            {
                _stableJudgmentTimer.Restart();
            }

            reason = $"{Name} feedback={FeedBack}, wait limit is ({SetPoint - _waitLow}, {SetPoint + _waitHigh})";
            return false;
        }
    }
}