using Microsoft.AspNetCore.Http;
using SqlSugar;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WIDESEAWCS_Core.DB;
using WIDESEAWCS_Core.Helper;
using WIDESEAWCS_Core.HttpContextUser;
using WIDESEAWCS_Core.Seed;

namespace WIDESEAWCS_Core.LogHelper
{
    public static class Logger
    {
        public static ConcurrentQueue<dynamic> loggerQueueData = new ConcurrentQueue<dynamic>();
        static Logger()
        {
            Task.Run(() =>
            {
                StartWriteLog();
            });

        }

        static void StartWriteLog()
        {
            DataTable queueTable = CreateEmptyTable();
            while (true)
            {
                try
                {
                    //如果队列中有数据且队列表中的行数小于500，则将队列中的数据写入队列表
                    if (loggerQueueData.Count() > 0 && queueTable.Rows.Count < 500)
                    {
                        DequeueToTable(queueTable); continue;
                    }
                    //每5秒写一次数据
                    Thread.Sleep(5000);

                    //如果队列表中的行数为0，则跳过本次循环
                    if (queueTable.Rows.Count == 0) { continue; }

                    //创建SqlSugarClient对象，用于连接数据库
                    SqlSugarClient sugarClient = new SqlSugarClient(new ConnectionConfig()
                    {
                        ConnectionString = DBContext.GetMainConnectionDb().Connection,
                        IsAutoCloseConnection = true,
                        DbType = DBContext.DbType,
                    });

                    //将队列表中的数据批量插入数据库
                    int rows = sugarClient.Fastest<DataTable>().AS("Sys_Log").BulkCopy(queueTable);

                    //清空队列表
                    queueTable.Clear();
                }
                catch (Exception ex)
                {
                    //打印异常信息
                    Console.WriteLine(ex.ToString());
                }
            }
        }

        private static void DequeueToTable(DataTable queueTable)
        {
            loggerQueueData.TryDequeue(out dynamic log);
            if (log != null)
            {
                DataRow row = queueTable.NewRow();
                // 如果log的BeginDate为空或者BeginDate的年份小于2010，则将BeginDate设置为当前时间
                if (log.BeginDate == null || log.BeginDate?.Year < 2010)
                {
                    log.BeginDate = DateTime.Now;
                }
                // 如果log的EndDate为空，则将EndDate设置为当前时间
                if (log.EndDate == null)
                {
                    log.EndDate = DateTime.Now;
                }
                //  row["Id"] = log.Id;
                // 将RequestParam中的换行符替换为空字符串
                row["RequestParam"] = log.RequestParam?.Replace("\r\n", "");
                // 将ResponseParam中的换行符替换为空字符串
                row["ResponseParam"] = log.ResponseParam?.Replace("\r\n", "");
                //row["Success"] = log.Success ?? -1;
                // 将BeginDate设置为log的BeginDate
                row["BeginDate"] = log.BeginDate;
                // 将EndDate设置为log的EndDate
                row["EndDate"] = log.EndDate;
                // 计算ElapsedTime，即EndDate减去BeginDate的毫秒数
                row["ElapsedTime"] = ((DateTime)log.EndDate - (DateTime)log.BeginDate).TotalMilliseconds;
                // 将UserIP设置为log的UserIP
                row["UserIP"] = log.UserIP;
                // 将Url设置为log的Url
                row["Url"] = log.Url;
                // 如果log的UserId为空，则将UserId设置为-1，否则设置为log的UserId
                row["UserId"] = log.UserId ?? -1;
                // 将UserName设置为log的UserName
                row["UserName"] = log.UserName;
                // 将row添加到queueTable中
                queueTable.Rows.Add(row);
            }
        }

        private static DataTable CreateEmptyTable()
        {
            DataTable queueTable = new DataTable();
            queueTable.Columns.Add("BeginDate", Type.GetType("System.DateTime"));
            queueTable.Columns.Add("ElapsedTime", Type.GetType("System.Int32"));
            queueTable.Columns.Add("EndDate", Type.GetType("System.DateTime"));
            queueTable.Columns.Add("RequestParam", typeof(string));
            queueTable.Columns.Add("ResponseParam", typeof(string));
            //queueTable.Columns.Add("Success", Type.GetType("System.Int32"));
            queueTable.Columns.Add("Url", typeof(string));
            queueTable.Columns.Add("UserIP", typeof(string));
            queueTable.Columns.Add("UserName", typeof(string));
            queueTable.Columns.Add("UserId", Type.GetType("System.Int32"));
            //queueTable.Columns.Add("LogType", typeof(string));
            //queueTable.Columns.Add("ExceptionInfo", typeof(string));
            //queueTable.Columns.Add("ServiceIP", typeof(string));
            //queueTable.Columns.Add("BrowserType", typeof(string));
            //queueTable.Columns.Add("Role_Id", Type.GetType("System.Int32"));
            return queueTable;
        }

        public static void Add(string url, string requestParameter, string responseParameter, DateTime beginDate)
        {
            dynamic? log = null;
            try
            {
                //获取当前用户
                IUser? user = App.User;
                //创建日志对象
                log = new
                {
                    //请求开始时间
                    BeginDate = beginDate,
                    //请求结束时间
                    EndDate = DateTime.Now,
                    //请求参数
                    RequestParam = requestParameter,
                    //响应参数
                    ResponseParam = responseParameter,
                    //请求URL
                    Url = url,
                    //客户端IP
                    UserIP = "",
                    //用户ID
                    UserId = user?.UserId,
                    //用户名
                    UserName = user?.UserName
                };
            }
            catch (Exception exception)
            {
                //如果发生异常，则创建日志对象
                log = log ?? new
                {
                    //请求开始时间
                    BeginDate = DateTime.Now,
                    //请求结束时间
                    EndDate = DateTime.Now,
                    //请求参数
                    RequestParam = requestParameter,
                    //响应参数
                    ResponseParam = responseParameter,
                };
            }
            //添加系统日志
            loggerQueueData.Enqueue(log);
        }

        public static void Add(string requestParameter, string responseParameter)
        {
            dynamic? log = null;
            try
            {
                //获取当前HttpContext
                HttpContext? context = App.HttpContext;
                //如果HttpContext为空，则返回
                if (context == null)
                {
                    return;
                }
                //如果请求方法为OPTIONS，则返回
                if (context.Request.Method == "OPTIONS") return;
                //获取RequestLogModel实例
                RequestLogModel logModel = (context.RequestServices.GetService(typeof(RequestLogModel)) as RequestLogModel) ?? new RequestLogModel { RequestDate = DateTime.Now };

                //获取当前用户
                IUser? user = App.User;
                //创建日志对象
                log = new
                {
                    //请求开始时间
                    BeginDate = logModel.RequestDate,
                    //请求结束时间
                    EndDate = DateTime.Now,
                    //请求参数
                    RequestParam = requestParameter,
                    //响应参数
                    ResponseParam = responseParameter,
                    //请求URL
                    Url = context.Request.Scheme + "://" + context.Request.Host + context.Request.PathBase + context.Request.Path,
                    //客户端IP
                    UserIP = GetClientIP(context)?.Replace("::ffff:", ""),
                    //用户ID
                    UserId = user?.UserId,
                    //用户名
                    UserName = user?.UserName
                };
            }
            catch (Exception exception)
            {
                //如果发生异常，则创建日志对象
                log = log ?? new
                {
                    //请求开始时间
                    BeginDate = DateTime.Now,
                    //请求结束时间
                    EndDate = DateTime.Now,
                    //请求参数
                    RequestParam = requestParameter,
                    //响应参数
                    ResponseParam = responseParameter,
                };
            }
            //添加系统日志
            loggerQueueData.Enqueue(log);
        }

        public static string GetClientIP(HttpContext context)
        {
            // 获取请求头中的X-Forwarded-For字段，并将其转换为字符串
            var ip = context.Request.Headers["X-Forwarded-For"].ObjToString();
            // 如果X-Forwarded-For字段为空，则获取远程IP地址
            if (string.IsNullOrEmpty(ip))
            {
                ip = context.Connection.RemoteIpAddress.ObjToString();
            }

            // 返回IP地址
            return ip;
        }
    }
}