using BPA.Helper;
using BPASmartClient.Model;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;

namespace BPASmartClient.CustomResource.Pages.Model
{

    public class AlarmHelper<AlarmT> where AlarmT : class, new()
    {
        private volatile static ConcurrentDictionary<string, AlarmT> _Instance;
        private static readonly object Obj_Lock = new object();
        public static AlarmT GetInstance(string name = "")
        {
            lock (Obj_Lock)
            {
                if (string.IsNullOrEmpty(name)) name = typeof(AlarmT).Name;
                if (_Instance == null) _Instance = new ConcurrentDictionary<string, AlarmT>();
                if (!_Instance.ContainsKey(name)) _Instance.TryAdd(name, new AlarmT());
                return _Instance[name]; 
            }
        }
        private AlarmHelper() { }


        public static List<Alarm> Alarms { get; set; } = new List<Alarm>();
        public static List<Alarm> HistoryAlarms { get; set; } = new List<Alarm>();
        static ConcurrentDictionary<string, bool> flagbit = new ConcurrentDictionary<string, bool>();
        static ConcurrentDictionary<string, Delay> delays = new ConcurrentDictionary<string, Delay>();
        public static Action<string> AddAction { get; set; }
        public static Action<string> RemoveAction { get; set; }
        public static Action ChangeAction { get; set; }

        //public static AlarmT Alarm { get; set; } = new AlarmT();

        public static void Init()
        {
            //AlarmViewModel.AlarmInfos = Alarms;
            ThreadManage.GetInstance().StartLong(new Action(() =>
            {
                if (_Instance != null)
                {
                    foreach (var temp in _Instance)
                    {
                        foreach (var item in temp.Value.GetType().GetProperties())
                        {
                            if (item.CustomAttributes.Count() > 0)
                            {
                                var AlarmModel = item.GetCustomAttribute<AlarmAttribute>();
                                if (AlarmModel != null)
                                {
                                    bool value = Convert.ToBoolean(_Instance[temp.Key].GetType().GetProperty(item.Name)?.GetValue(_Instance[temp.Key]));
                                    string text = typeof(AlarmT).Name == temp.Key ? AlarmModel.AlarmInfo : $"{temp.Key}:{AlarmModel.AlarmInfo}";
                                    EdgeAlarm(value, text, 1, AlarmModel.AlarmLevel, AlarmModel.AlarmType);
                                }
                            }
                        }
                    }
                }
                Thread.Sleep(100);
            }), $"{typeof(AlarmT).Name},报警通用模块监听");

        }

        /// <summary>
        /// 沿报警检测
        /// </summary>
        /// <param name="Trigger">触发变量</param>
        /// <param name="text">报警信息</param>
        /// <param name="edgeType">触发类型，上升沿 或 下降沿</param>
        private static void EdgeAlarm(bool Trigger, string text, int delay = 2, AlarmLevel alarmLevel = AlarmLevel.一般报警, AlarmTriggerType edgeType = AlarmTriggerType.Rising)
        {
            if (!flagbit.ContainsKey(text)) flagbit.TryAdd(text, false);
            if (!delays.ContainsKey(text)) delays.TryAdd(text, Delay.GetInstance(text));
            if (edgeType == AlarmTriggerType.Rising ? delays[text].Start(Trigger, delay) : delays[text].Start(!Trigger, delay))
            {
                if (edgeType == AlarmTriggerType.Rising ? !flagbit[text] : flagbit[text])
                {
                    AddAlarm(Trigger, text, alarmLevel);
                    flagbit[text] = edgeType == AlarmTriggerType.Rising ? true : false;
                }
            }
            else RemoveAlarm(text);
            if (edgeType == AlarmTriggerType.Rising ? flagbit[text] : !flagbit[text]) flagbit[text] = Trigger;
        }

        /// <summary>
        /// 添加报警信息
        /// </summary>
        /// <param name="AlarmInfo">报警信息</param>
        private static void AddAlarm(object value, string AlarmInfo, AlarmLevel alarmLevel)
        {
            Alarm tempAlarm = new Alarm()
            {
                NumId = Alarms.Count + 1,
                Date = DateTime.Now.ToString("yyyy/MM/dd"),
                Grade = alarmLevel.ToString(),
                Info = AlarmInfo,
                Value = value.ToString(),
                Time = DateTime.Now.ToString("HH:mm:ss"),
            };

            var res = Sqlite<Alarm>.GetInstance.Base.Add(tempAlarm);
            Sqlite<Alarm>.GetInstance.Save();

            if (Alarms.FirstOrDefault(p => p.Info == AlarmInfo) == null)
            {
                Alarms.Insert(0, tempAlarm);
                for (int i = 0; i < Alarms.Count; i++) { Alarms.ElementAt(i).NumId = i + 1; }

                AddAction?.Invoke(AlarmInfo);//添加报警通知
                ChangeAction?.Invoke();//更改报警通知
            }
        }

        /// <summary>
        /// 移除报警信息
        /// </summary>
        /// <param name="AlarmInfo">报警信息</param>
        private static void RemoveAlarm(string AlarmInfo)
        {
            var result = Alarms.FirstOrDefault(p => p.Info == AlarmInfo);
            if (result != null)
            {
                Alarms.Remove(result);
                for (int i = 0; i < Alarms.Count; i++) { Alarms.ElementAt(i).NumId = i + 1; }

                if (RemoveAction != null) RemoveAction(AlarmInfo);
                if (ChangeAction != null) ChangeAction();
            }
        }

    }

    //public class AlarmHelper<AlarmT> where AlarmT : class, new()
    //{


    //    //private volatile static ConcurrentDictionary<string, AlarmT> _Instance;
    //    //public static AlarmT GetInstance(string name)
    //    //{
    //    //    if (_Instance == null) _Instance = new ConcurrentDictionary<string, AlarmT>();
    //    //    if (!_Instance.ContainsKey(name)) _Instance.TryAdd(name, new AlarmT());
    //    //    return _Instance[name];
    //    //}
    //    //private AlarmHelper() { }


    //    public static ObservableCollection<Alarm> Alarms { get; set; } = new ObservableCollection<Alarm>();
    //    public static List<Alarm> HistoryAlarms { get; set; } = new List<Alarm>();
    //    static ConcurrentDictionary<string, bool> flagbit = new ConcurrentDictionary<string, bool>();
    //    static ConcurrentDictionary<string, Delay> delays = new ConcurrentDictionary<string, Delay>();
    //    public static Action<string> AddAction { get; set; }
    //    public static Action<string> RemoveAction { get; set; }
    //    public static Action ChangeAction { get; set; }

    //    public static AlarmT Alarm { get; set; } = new AlarmT();

    //    public static void Init()
    //    {
    //        AlarmViewModel.AlarmInfos = Alarms;
    //        ThreadManage.GetInstance().StartLong(new Action(() =>
    //        {
    //            foreach (var item in Alarm.GetType().GetProperties())
    //            {
    //                if (item.CustomAttributes.Count() > 0)
    //                {
    //                    var AlarmModel = item.GetCustomAttribute<AlarmAttribute>();
    //                    if (AlarmModel != null)
    //                    {
    //                        bool value = Convert.ToBoolean(Alarm.GetType().GetProperty(item.Name)?.GetValue(Alarm));
    //                        EdgeAlarm(value, AlarmModel.AlarmInfo, 1, AlarmModel.AlarmLevel, AlarmModel.AlarmType);
    //                    }
    //                }
    //            }
    //            Thread.Sleep(100);
    //        }), $"{typeof(AlarmT).Name},报警通用模块监听");

    //    }


    //    //public static void AnalogAlarm(dynamic Trigger, string info, dynamic HH = null, dynamic H = 0, dynamic L = 0, dynamic LL = 0)
    //    //{ 

    //    //}




    //    /// <summary>
    //    /// 沿报警检测
    //    /// </summary>
    //    /// <param name="Trigger">触发变量</param>
    //    /// <param name="text">报警信息</param>
    //    /// <param name="edgeType">触发类型，上升沿 或 下降沿</param>
    //    private static void EdgeAlarm(bool Trigger, string text, int delay = 2, AlarmLevel alarmLevel = AlarmLevel.一般报警, AlarmTriggerType edgeType = AlarmTriggerType.Rising)
    //    {
    //        if (!flagbit.ContainsKey(text)) flagbit.TryAdd(text, false);
    //        if (!delays.ContainsKey(text)) delays.TryAdd(text, Delay.GetInstance(text));
    //        if (edgeType == AlarmTriggerType.Rising ? delays[text].Start(Trigger, delay) : delays[text].Start(!Trigger, delay))
    //        {
    //            if (edgeType == AlarmTriggerType.Rising ? !flagbit[text] : flagbit[text])
    //            {
    //                AddAlarm(Trigger, text, alarmLevel);
    //                flagbit[text] = edgeType == AlarmTriggerType.Rising ? true : false;
    //            }
    //        }
    //        else RemoveAlarm(text);
    //        if (edgeType == AlarmTriggerType.Rising ? flagbit[text] : !flagbit[text]) flagbit[text] = Trigger;
    //    }

    //    /// <summary>
    //    /// 添加报警信息
    //    /// </summary>
    //    /// <param name="AlarmInfo">报警信息</param>
    //    private static void AddAlarm(object value, string AlarmInfo, AlarmLevel alarmLevel)
    //    {
    //        Alarm tempAlarm = new Alarm()
    //        {
    //            NumId = Alarms.Count + 1,
    //            Date = DateTime.Now.ToString("yyyy/MM/dd"),
    //            Grade = alarmLevel.ToString(),
    //            Info = AlarmInfo,
    //            Value = value.ToString(),
    //            Time = DateTime.Now.ToString("HH:mm:ss"),
    //        };

    //        var res = Sqlite<Alarm>.GetInstance.Base.Add(tempAlarm);
    //        Sqlite<Alarm>.GetInstance.Save();

    //        if (Alarms.FirstOrDefault(p => p.Info == AlarmInfo) == null)
    //        {
    //            Application.Current.Dispatcher.Invoke(new Action(() =>
    //            {
    //                Alarms.Insert(0, tempAlarm);
    //                for (int i = 0; i < Alarms.Count; i++) { Alarms.ElementAt(i).NumId = i + 1; }
    //            }));

    //            AddAction?.Invoke(AlarmInfo);//添加报警通知
    //            ChangeAction?.Invoke();//更改报警通知
    //        }
    //    }

    //    /// <summary>
    //    /// 移除报警信息
    //    /// </summary>
    //    /// <param name="AlarmInfo">报警信息</param>
    //    private static void RemoveAlarm(string AlarmInfo)
    //    {
    //        var result = Alarms.FirstOrDefault(p => p.Info == AlarmInfo);
    //        if (result != null)
    //        {
    //            Application.Current.Dispatcher.Invoke(new Action(() =>
    //            {
    //                Alarms.Remove(result);
    //                for (int i = 0; i < Alarms.Count; i++) { Alarms.ElementAt(i).NumId = i + 1; }
    //            }));

    //            if (RemoveAction != null) RemoveAction(AlarmInfo);
    //            if (ChangeAction != null) ChangeAction();
    //        }
    //    }

    //}
}