using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

public class LogService
{
    private static readonly object lockObj = new object();

    public static void WriteAsync(object obj, string filePath = "Vlog", bool isAppend = true)
    {
        Task.Run(() =>
        {
            Write(obj, filePath, isAppend);
        });
    }

    public static void WriteAsync<T>(object obj, string filePath = "Vlog", bool isAppend = true)
    {
        Task.Run(() =>
        {
            Write(obj, $@"{filePath}\{typeof(T).Name}", isAppend);
        });
    }

    #region 日志
    public static void Write(object obj, string filePath = "Vlog", bool isAppend = true)
    {
        try
        {
            lock (lockObj)
            {
                filePath = $@"{filePath}\webapi{DateTime.Now.ToString("yyyyMMdd")}.txt";

                filePath = AppDomain.CurrentDomain.BaseDirectory + filePath;

                if (!System.IO.Directory.Exists(Path.GetDirectoryName(filePath)))
                {
                    System.IO.Directory.CreateDirectory(Path.GetDirectoryName(filePath));
                }

                bool fileExists = System.IO.File.Exists(filePath);
                //不存在 则创建该文件
                if (!fileExists)
                {
                    System.IO.File.Create(filePath).Close();
                }

                using (StreamWriter writer = new StreamWriter(filePath, isAppend))
                {
                    //存在的时候才写一行
                    if (fileExists && isAppend)
                    {
                        writer.WriteLine();
                    }

                    var content = obj is string ? obj : JsonConvert.SerializeObject(obj);
                    writer.WriteLine($"{DateTime.Now} {content}");
                }
            }
        }
        catch (Exception ex)
        {
        }
    }
    #endregion
}