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

namespace BO.Utils
{
  public class LogUtil
  {
    private static readonly string LogFilePath = "log";

    private static readonly object lockobj=new object();

    public static void Error(Exception e)
    {
      Error(e.ToString());
    }

    public static void Error(string error)
    {
      lock (lockobj)
      {
        if (!Directory.Exists(LogFilePath))
        {
          Directory.CreateDirectory(LogFilePath);
        }
        var date = DateTime.Today.ToString("yyyyMMdd");
        var fileName = LogFilePath+ "/" + date + ".txt";
        using (var sw = new StreamWriter(fileName, true))
        {
          sw.WriteLine(DateTime.Now.ToString("yyyyMMdd HH:mm:ss----") + error);
        }
      }
    }
  }
}