using System;
using System.Collections;
using System.Text;
using System.Xml;
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 MECF.Framework.Common.Communications;
using MECF.Framework.Common.DataCenter;
using MECF.Framework.Common.Device.Bases;
using MECF.Framework.Common.Equipment;
using VirgoCommon;

namespace VirgoRT.Devices
{
    public enum EdwardsPumpState { ON = 0, OFF, Connected, Disconnected, Unknown, ERROR }

    static class EdwardsPumpControlSystemParameters
    {
        public const int System_Node = 1;
        public const int Dry_Pump_Current = 3;
        public const int Dry_Pump_Power = 4;
        public const int Booster_Current = 7;
        public const int Booster_Power = 8;
        public const int Dry_Pump_Control = 11;
        public const int Dry_Pump_Run_hours = 14;
        public const int Number_of_pump_starts = 20;


    }

    static class EdwardsPumpMessage
    {
        public const string EOF = "\r\n";
        public const string RESET = "/";
        public const string QUERY_Alarm_Status = "?A";
        public const string QUERY_Bitfield_Status = "?B";
        public const string QUERY_Control_Status = "?C";
        public const string QUERY_Gas_ballast_Status = "?D";
        public const string QUERY_Gate_valve_Status = "?G";
        public const string QUERY_Nitrogen_supply_Status = "?N";
        public const string QUERY_On_process_Status = "?O";
        public const string QUERY_Pump_Status = "?P";
        public const string QUERY_Run_til_crash_Status = "?R";
        public const string QUERY_Inlet_purge_Status = "?U";
        public const string QUERY_Pump_node_type = "?T";
        public const string QUERY_Value = "?V";
        public const string QUERY_Serial_Number = "?S";
        public const string QUERY_Information = "?I";
        public const string QUERY_Format_mode = "?F";
        public const string COMMAND_Release_Control = "!C0";
        public const string COMMAND_Take_Control = "!C1";
        public const string COMMAND_Gas_ballast = "!D";
        public const string COMMAND_Equipment = "!E";
        public const string COMMAND_Format_mode = "!F";
        public const string COMMAND_Gate_valve = "!G";
        public const string COMMAND_Reserved = "!L";
        public const string COMMAND_Simulation_mode = "!M";
        public const string COMMAND_Nitrogen_supply = "!N";
        public const string COMMAND_On_process = "!O";
        public const string COMMAND_Switch_on_Pump = "!P1";
        public const string COMMAND_Switch_off_Pump_Auto_shut_down = "!P0";
        public const string COMMAND_Switch_off_Pump_Fast_shut_down = "!P2";
        public const string COMMAND_Run_til_crash = "!R";
        public const string COMMAND_Reserved_do_not_use = "!T";
        public const string COMMAND_Inlet_purge = "!U";
        public const string COMMAND_Terminate_protocol = "!XO";
        public const string SET_SHORT_REPLY = "!F0";
        public const string SET_LONG_REPLY = "!F1";
    }


    class EdwardsPump : PumpBase
    {
        // ----------------------------Fields--------------------------
        //
        private const ushort CHK_ST_INTERVAL = 1000;
        private const ushort CHK_CONTROL_INTERVAL = 3 * 1000;
        private const ushort CHK_REC_INTERVAL = 20 * 1000;
        private const ushort CHK_PUMP_REC_INTERVAL = 10 * 1000;
        private double _total;
        private double _fromLast;
        private const string EOF = "\r";
        private const char MSG_DELIMITER = ' ';
        private readonly string _PortNum = "COM91";
        private const int _counterMax = 30;
        //private int _counter = 0;
        private static string SendData;
        private readonly AsyncSerialPort _serial;
        private readonly DeviceTimer _timerQueryStatus = new DeviceTimer();
        private readonly DeviceTimer _timerControlStatus = new DeviceTimer();
        private readonly DeviceTimer _timerReceiveStatus = new DeviceTimer();
        private readonly DeviceTimer _timerPumpOn = new DeviceTimer();
        private readonly DeviceTimer _timerPumpOff = new DeviceTimer();
        private readonly DeviceTimer _timerTotal = new DeviceTimer();
        private readonly DeviceTimer _timerFromLast = new DeviceTimer();
        private readonly R_TRIG _trigPumpOn = new R_TRIG();
        private readonly R_TRIG _trigPumpOff = new R_TRIG();
        private readonly R_TRIG _trigReceiveStatus = new R_TRIG();
        private readonly RD_TRIG _trigOnOff = new RD_TRIG();
        private readonly R_TRIG _trigPMNeeded = new R_TRIG();
        private StatsDataItemRFAndPump _statPumpOnTime;
        // --------------------------Properties------------------------
        //
        public EdwardsPumpState StatusDry { get; set; }

        public string LastPMTime
        {
            get
            {
                return _statPumpOnTime != null ? _statPumpOnTime.LastPMTime.ToString() : "";
            }
        }

        public double DaysFromLastPM
        {
            get
            {
                return _statPumpOnTime == null ? 0 : _statPumpOnTime.fromLastPM;
            }
            set
            {
                if (_statPumpOnTime != null)
                    _statPumpOnTime.fromLastPM = value;
            }
        }

        public double TotalDays
        {
            get
            {
                return _statPumpOnTime != null ? _statPumpOnTime.Total : 0;
            }
            set
            {
                if (_statPumpOnTime != null)
                    _statPumpOnTime.Total = value;
            }
        }

        public double PMIntervalDays
        {
            get
            {
                return _statPumpOnTime != null ? _statPumpOnTime.PMInterval : 0;
            }
        }

        public bool IsPMNeeded
        {
            get
            {
                return DaysFromLastPM > PMIntervalDays;
            }
        }

        public bool EnableAlarm
        {
            get
            {
                return _statPumpOnTime == null || _statPumpOnTime.AlarmEnable;
            }
        }

        [Subscription(AITPumpProperty.IsRunning)]
        public override bool IsRunning
        {
            get
            {
                return StatusDry == EdwardsPumpState.ON;
            }
        }

        [Subscription(AITPumpProperty.IsError)]
        public override bool IsError
        {
            get
            {
                return StatusDry == EdwardsPumpState.ERROR || StatusDry == EdwardsPumpState.Disconnected;
            }
        }

        public override AITPumpData DeviceData
        {
            get
            {
                AITPumpData deviceData = new AITPumpData
                {
                    DeviceName = Name,
                    DeviceModule = Module,
                    DeviceSchematicId = DeviceID,
                    DisplayName = Display,
                    IsError = false,
                    IsWarning = false,
                    IsOn = IsRunning,
                    //WaterFlow = WaterFlowValue,
                    IsDryPumpEnable = true,
                    IsN2PressureEnable = false,
                    IsWaterFlowEnable = false,
                    //WaterFlowWarning = WaterFlowWarning,
                    //WaterFlowAlarm = WaterFlowAlarm,
                    //N2PressureAlarm = N2PressureAlarm,
                    //N2PressureWarning = N2PressureWarning,
                };

                return deviceData;
            }
        }

        // --------------------------Constructor-----------------------
        //
        public EdwardsPump(ModuleName mod) : base(mod.ToString(), VirgoDevice.MainPump.ToString(), "Edwards Pump", "")
        {
            _PortNum = SC.GetStringValue($"{mod}.DryPump.Port");
            StatusDry = EdwardsPumpState.Unknown;
            _serial = new AsyncSerialPort(_PortNum, 9600, 8, System.IO.Ports.Parity.None, System.IO.Ports.StopBits.One, "\r\n", true);
        }

        public override bool Initialize()
        {
            base.Initialize();

            if (!_serial.Open())
            {
                StatusDry = EdwardsPumpState.Disconnected;
                EV.PostAlarmLog(Module, "Edwards Pump串口无法打开");
                return false;
            }

            _statPumpOnTime = StatsDataManager.Instance.GetItemRFAndPump($"{Module}.PumpOnTime");

            StatusDry = EdwardsPumpState.Connected;
            _trigPumpOn.RST = true;
            _trigPumpOff.RST = true;
            _trigReceiveStatus.RST = true;
            _serial.OnDataChanged += OnPortDataChanged;
            _serial.OnErrorHappened += OnErrorOccurred;
            SendCmd(EdwardsPumpMessage.RESET);
            SendCmd(EdwardsPumpMessage.SET_SHORT_REPLY);
            SendCmd(EdwardsPumpMessage.COMMAND_Take_Control);
            _timerQueryStatus.Start(CHK_ST_INTERVAL);
            _timerControlStatus.Start(CHK_CONTROL_INTERVAL);
            _timerReceiveStatus.Start(CHK_REC_INTERVAL);

            return true;
        }

        private void OnErrorOccurred(string obj)
        {
            StatusDry = EdwardsPumpState.ERROR;
            LOG.Error($"[{Module}] edwards pump error: [{obj}]");
        }

        private void OnPortDataChanged(string obj)
        {
            if (string.IsNullOrEmpty(obj))
                LOG.Error($"[{Module}] edwards pump message IsNullOrEmpty");
            try
            {
                _timerReceiveStatus.Stop();
                _timerReceiveStatus.Start(CHK_REC_INTERVAL);
                string cmd = obj.ToString().Split('\n')[0].Split('\r')[0];
                switch (SendData)
                {
                    case EdwardsPumpMessage.RESET:
                        break;
                    case EdwardsPumpMessage.COMMAND_Take_Control:
                        EV.PostInfoLog(Module, $"Take Control Edwards Pump {QueryCmdReply(cmd)}");
                        break;
                    case EdwardsPumpMessage.COMMAND_Release_Control:
                        EV.PostInfoLog(Module, $"Release Control Edwards Pump {QueryCmdReply(cmd)}");
                        break;
                    case EdwardsPumpMessage.COMMAND_Switch_on_Pump:
                        EV.PostInfoLog(Module, $"Switch on Edwards Pump {QueryCmdReply(cmd)}");
                        break;
                    case EdwardsPumpMessage.COMMAND_Switch_off_Pump_Fast_shut_down:
                        EV.PostInfoLog(Module, $"Switch off Edwards Pump {QueryCmdReply(cmd)}");
                        break;
                    case EdwardsPumpMessage.QUERY_Pump_Status:
                        if (cmd == "0")
                        {
                            StatusDry = EdwardsPumpState.OFF;
                            if (_trigPumpOn.Q && _timerPumpOn.IsTimeout())
                            {
                                _trigPumpOn.RST = true;
                                EV.PostMessage(Module, EventEnum.DefaultWarning, "Edwards Pump 无法打开");
                            }
                            if (_trigPumpOff.Q)
                            {
                                EV.PostInfoLog(Module, $"Edwards Pump关闭");
                            }
                            _trigPumpOff.RST = true;
                        }
                        else if (cmd == "4")
                        {
                            StatusDry = EdwardsPumpState.ON;
                            if (_trigPumpOff.Q && _timerPumpOff.IsTimeout())
                            {
                                _trigPumpOff.RST = true;
                                EV.PostMessage(Module, EventEnum.DefaultWarning, "Edwards Pump 无法关闭");
                            }
                            if (_trigPumpOn.Q)
                            {
                                EV.PostInfoLog(Module, $"Edwards Pump打开");
                            }
                            _trigPumpOn.RST = true;
                        }


                        break;
                    default:
                        //EV.PostInfoLog(this.Module, $"Edwards Pump {SendData} {QueryCmdReply(cmd)}");
                        break;
                }
            }
            catch (Exception ex)
            {
                LOG.Error($"[{Module}] edwards pump error: [{ex.Message}]");
            }
        }

        public string QueryCmdReply(string cmd)
        {
            if (cmd == "ERR 0")
            {
                return "No error";
            }
            else if (cmd == "ERR 1")
            {
                return "Invalid message";
            }
            else if (cmd == "ERR 2")
            {
                return "Number not found";
            }
            else if (cmd == "ERR 3")
            {
                return "Number Invalid";
            }
            else if (cmd == "ERR 4")
            {
                return "Parameter’s value not received";
            }
            else if (cmd == "ERR 5")
            {
                return "Command not possible";
            }
            else
            {
                return cmd;
            }
        }

        public override void Monitor()
        {
            try
            {
                // 状态查询
                if (_timerQueryStatus.IsTimeout() && this.StatusDry != EdwardsPumpState.ERROR)
                {
                    this.SendCmd(EdwardsPumpMessage.QUERY_Pump_Status);
                    _timerQueryStatus.Start(CHK_ST_INTERVAL);
                }

                if (_timerReceiveStatus.IsTimeout() && this.StatusDry != EdwardsPumpState.ERROR)
                {
                    _trigReceiveStatus.CLK = true;
                    if (_trigReceiveStatus.Q)
                    {
                        EV.PostMessage(Module, EventEnum.DefaultWarning, "Edwards Pump 没有回复");
                    }
                }

                _trigOnOff.CLK = IsRunning;

                //第一次检测到打开了，开始计时
                if (_trigOnOff.R)
                {
                    _total = TotalDays;
                    _fromLast = DaysFromLastPM;
                    _timerTotal.Start(0);
                    _timerFromLast.Start(0);
                }

                //第一次检测到从打开到关闭状态
                if (_trigOnOff.T)
                {

                }

                //如果开着，就更新SC
                if (_trigOnOff.M)
                {
                    TotalDays = _total + _timerTotal.GetElapseTime() / 1000 / 60 / 60;
                    DaysFromLastPM = _fromLast + _timerFromLast.GetElapseTime() / 1000 / 60 / 60;
                }

                if (PMIntervalDays > 0)
                {
                    _trigPMNeeded.CLK = IsPMNeeded;

                    if (_trigPMNeeded.Q)
                    {
                        if (EnableAlarm)
                        {
                            EV.PostAlarmLog(Module, "pump on time value larger than setting interval days");
                        }
                    }
                }

                StatsDataManager.Instance.Increase($"{Module}.PumpOnTime", $"{Module} PumpOnTime", DaysFromLastPM, TotalDays);

            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        private bool SendCmd(string str)
        {
            SendData = str;
            if (SendData == "!P1")
            {
                _trigPumpOn.CLK = true;
                _timerPumpOn.Start(CHK_PUMP_REC_INTERVAL);
                LOG.Info($"[{Module}] Switch on Edwards Pump");
            }
            else if (SendData == "!P2")
            {
                _trigPumpOff.CLK = true;
                _timerPumpOff.Start(CHK_PUMP_REC_INTERVAL);
                LOG.Info($"[{Module}] Switch off Edwards Pump");
            }
            return _serial.Write(str + "\r");
        }

        public override void Reset()
        {
            _trigPumpOn.RST = true;
            _trigPumpOff.RST = true;
            _trigReceiveStatus.RST = true;
            _trigPMNeeded.RST = true;
            SendCmd(EdwardsPumpMessage.RESET);
        }

        public override void Terminate()
        {
            //if (StatusDry == EdwardsPumpState.ON)
            //    SetPumpOnOff(false);
            _serial?.Close();
        }

        public override void SetPumpOnOff(bool on)
        {
            SendCmd(on ? EdwardsPumpMessage.COMMAND_Switch_on_Pump : EdwardsPumpMessage.COMMAND_Switch_off_Pump_Fast_shut_down);
        }
    }
}