using CapMachine.Wpf.ChannelModel;
using CapMachine.Wpf.Models;
using CapMachine.Wpf.Models.HighSpeed;
using CapMachine.Wpf.PrismEvent;
using CsvHelper.Configuration;
using CsvHelper;
using Prism.Mvvm;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Channels;
using System.Threading.Tasks;
using System.Timers;
using CapMachine.Core;
using CapMachine.Model;
using System.Security.Cryptography.Xml;
using Prism.Ioc;

namespace CapMachine.Wpf.Services
{
    /// <summary>
    /// 高速数据
    /// 通信的数据缓存
    /// </summary>
    public class HighSpeedDataService : BindableBase
    {
        public HighSpeedDataService(ConfigService configService, ILogService logService, IFreeSql FreeSql, IContainerProvider containerProvider)
        {
            ConfigService = configService;
            LogService = logService;
            this.FreeSql = FreeSql;
            ContainerProvider = containerProvider;
            CacheHighFragMsg = new List<CommMsg>();

            //100ms 触发一次
            CycleTimer = new System.Timers.Timer(100);
            CycleTimer.Elapsed += CycleAction;
            CycleTimer.AutoReset = true;
            CycleTimer.Enabled = true;

            //实时数据记录管道数据监听
            Task.Run(() => ListenCycleChannelAction());

        }
        public ConfigService ConfigService { get; }
        public ILogService LogService { get; }
        public IFreeSql FreeSql { get; }
        public IContainerProvider ContainerProvider { get; }


        /// <summary>
        /// 时间到
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void CycleAction(object? sender, ElapsedEventArgs e)
        {
            if (IsEnable)
            {
                //本体数据记录
                CycleChannelInfo.Writer.WriteAsync(CurListMsg);
            }
        }

        /// <summary>
        /// 添加或者更新消息数据
        /// </summary>
        public void AppendOrUpdateMsg(CommMsg commMsg)
        {
            if (!CurListMsg.Exists(a => a.MsgInfo == commMsg.MsgInfo))
            {
                //不存在则新增
                CurListMsg.Add(commMsg);
            }
            else
            {
                //存在则更新数据
                var Data = CurListMsg.Find(a => a.MsgInfo == commMsg.MsgInfo);
                //Data!.MsgInfo = commMsg.MsgInfo;
                //Data!.Category = commMsg.Category;
                Data!.MsgData = commMsg.MsgData;
                Data!.Time = commMsg.Time;
            }
        }


        /// <summary>
        /// 初始化高速数据
        /// </summary>
        public void InitHighData()
        {
            //报文重新清零
            CurListMsg = new List<CommMsg>();
        }

        /// <summary>
        /// 当前的报文消息集合
        /// </summary>
        private List<CommMsg> CurListMsg { get; set; } = new List<CommMsg>();
        //{
        //    new CommMsg() { Category = "CAN2",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //    new CommMsg() { Category = "CAN1",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //    new CommMsg() { Category = "CAN2",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //    new CommMsg() { Category = "CAN3",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //    new CommMsg() { Category = "CAN4",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //    new CommMsg() { Category = "CAN5",MsgInfo = "0x000003E3",Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"),MsgData = "33 00 00 00 37 00 04 00"},
        //};

        /// <summary>
        /// 周期定时器
        /// </summary>
        private System.Timers.Timer CycleTimer { get; set; }


        private bool _IsEnable = true;
        /// <summary>
        /// 是否启用
        /// </summary>
        public bool IsEnable
        {
            get { return _IsEnable; }
            set { _IsEnable = value; RaisePropertyChanged(); }
        }


        #region 队列的操作

        /// <summary>
        /// 缓存数据
        /// </summary>
        public List<CommMsg> CacheHighFragMsg { get; set; }


        /// <summary>
        /// 队列通道
        /// 当前队列消费周期触发的数据记录
        /// </summary>
        public Channel<List<CommMsg>> CycleChannelInfo = Channel.CreateBounded<List<CommMsg>>(new BoundedChannelOptions(100000)
        {
            FullMode = BoundedChannelFullMode.DropOldest, //消息满了 等待消费 新的消息不插入
            SingleWriter = false,//允许一次写入多条数据
            SingleReader = true, //一次只能读取一条消息

        });

        /// <summary>
        /// 缓存的集合数据
        /// </summary>
        public List<RecordChannelData> CacheRecordData { get; set; } = new List<RecordChannelData>();

        /// <summary>
        /// 当前缓存的队列信息
        /// 高效的队列数据
        /// </summary>
        public ConcurrentQueue<RecordChannelData> ConcurrentQueueData { get; set; } = new ConcurrentQueue<RecordChannelData>();


        /// <summary>
        /// 最大的缓存单元数据
        /// 存储超过规定600个缓存数据后进行判断后删除
        /// </summary>
        private int MaxCacheCellCount { get; set; } = 0;

        /// <summary>
        /// 数据记录管道监听方法
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        private async void ListenCycleChannelAction()
        {
            while (await CycleChannelInfo.Reader.WaitToReadAsync())
            {
                if (CycleChannelInfo.Reader.TryRead(out var CycleChannelData))
                {
                    ////第一次计时
                    //stopwatch.Start();  //启动Stopwatch

                    //新增数据
                    CacheHighFragMsg.AddRange(CycleChannelData);
                    MaxCacheCellCount++;

                    if (MaxCacheCellCount >= 600)
                    {
                        //CSV文件保存
                        SaveToCsv(CacheHighFragMsg);
                        CacheHighFragMsg.Clear();
                        MaxCacheCellCount = 0;
                    }

                    //}

                    //CacheRecordData.Clear();

                    //Console.WriteLine($"{DateTime.Now.ToString("HH:mm:ss:fff")}-{LineName}-保存成功！");
                    //}


                    //stopwatch.Stop();  //停止Stopwatch
                    //Console.WriteLine("保存数据耗时：:{0}", stopwatch.Elapsed.TotalSeconds.ToString());
                    //stopwatch.Reset();
                }
            }
        }

        #endregion
                        

        #region CSV Helper 数据保存CSV

        /// <summary>
        /// 当前的小时文件信息
        /// </summary>
        private string CurHourFileName { get; set; }

        /// <summary>
        /// CSV文件保存根路径
        /// </summary>
        private string SaveCsvRootPath { get; set; }

        /// <summary>
        /// Append to the file.
        /// </summary>
        CsvConfiguration CSVconfig { get; set; } = new CsvConfiguration(CultureInfo.CurrentCulture)
        {
            // Don't write the header again.
            HasHeaderRecord = false,
        };


        /// <summary>
        /// 保存到CSV文件
        /// </summary>
        private void SaveToCsv(List<CommMsg> CacheData)
        {
            CurHourFileName = DateTime.Now.ToString("yyyy-MM-dd HH");

            //年份的文件是否存在
            var FilePath = HighSpeedFileHelper.GetExpFilePath(ConfigService.HighSpeedMsgSaveCsvRootPath, "ConfigService.CurExpInfo.Name");
            if (!Directory.Exists(FilePath))
            {
                Directory.CreateDirectory(FilePath);
            }

            //文件全部路径信息
            var FileFullInfo = HighSpeedFileHelper.GetHourCSVPath(FilePath, CurHourFileName);
            if (!File.Exists(FileFullInfo))//是否存在文件
            {
                //新增文件
                lock (ConfigService.HighSpeedMsgCsvFileLock)
                {
                    //新增的文件
                    using (var writer = new StreamWriter(FileFullInfo, false, Encoding.UTF8))
                    using (var csv = new CsvWriter(writer, CultureInfo.CurrentCulture))
                    {
                        var Result = csv.Context.RegisterClassMap<HighRecordMsgMap>();

                        csv.WriteRecords(CacheData);
                    }
                }


                //先保存当前的文件信息
                FreeSql.Insert<HighMsgFileInfo>(new HighMsgFileInfo()
                {
                    ExpName = "ConfigService.CurExpInfo.Name",
                    FileInfo = CurHourFileName,
                    FilePath = FileFullInfo
                }).ExecuteInserted();

                //删除时间范围之外的文件
                var DeleteInfo = FreeSql.Delete<HighMsgFileInfo>().Where(a => a.CreateTime < DateTime.Now.AddHours(-ConfigService.HighSpeedMsgCsvFileCacheHour)).ExecuteDeleted();
                if (DeleteInfo.Count > 0)
                {
                    //DB删除成功的话，开始删除实体文件
                    foreach (var item in DeleteInfo)
                    {
                        DeleteFile(item.FilePath);
                    }
                }
            }
            else//存在文件的话则新增数据
            {
                lock (ConfigService.HighSpeedMsgCsvFileLock)
                {
                    //往已有的文件增加数据
                    using (var stream = File.Open(FileFullInfo, FileMode.Append, FileAccess.Write, FileShare.ReadWrite))
                    //using (var stream = new FileStream(FileFullInfo, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
                    using (var writer = new StreamWriter(stream))
                    using (var csv = new CsvWriter(writer, CSVconfig))
                    {
                        csv.Context.RegisterClassMap<HighRecordMsgMap>();
                        csv.WriteRecords(CacheData);
                    }
                }

            }
        }


        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="FilePath"></param>
        private bool DeleteFile(string FilePath)
        {
            try
            {
                if (File.Exists(FilePath))
                {
                    File.Delete(FilePath);
                    Console.WriteLine("文件已成功删除");
                    return true;
                }
                else
                {
                    Console.WriteLine("文件不存在");
                    return true;
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("删除文件时发生错误: " + ex.Message);
                return false;
            }


        }
    }

    #endregion


}