using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;

namespace WMS.Common
{
    /// <summary>
    /// 写日志
    /// </summary>
    public class LogWriteText
    {
        /// <summary>
        /// 清除 日志数据
        /// </summary>
        public static void ClearDataLog()
        {
            try
            {
                string appPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().GetModules()[0].FullyQualifiedName);
                string path = appPath + "\\log";
                double logDate = 13;
                string filedate = System.DateTime.Now.AddDays(-logDate).ToString("yyyyMMdd");
                string[] filename = Directory.GetFiles(path);
                foreach (string fn in filename)
                {
                    if (fn.Trim().Length > 8)
                    {
                        string date = fn.Substring(fn.IndexOf("2"), 8);
                        if (int.Parse(date) < int.Parse(filedate))
                        {
                            File.Delete(fn);

                        }
                    }
                }
            }
            catch (Exception ex)
            {
            }

        }
        private static object write = new object();

        /// <summary>
        /// 写日志
        /// </summary>
        /// <param name="strLog"></param>
        public static void WriteLog(string strLog)
        {
            lock (write)
            {
                try
                {
                    strLog = "时间:" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + Environment.NewLine + strLog + Environment.NewLine;
                    DirectoryInfo di = new DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory + "\\Log");
                    if (di.Exists == false)
                    {
                        di.Create();
                    }
                    string logFileName;
                    logFileName = AppDomain.CurrentDomain.BaseDirectory + "\\Log\\" + DateTime.Now.ToString("yyyyMMdd") + ".log";
                    if (File.Exists(logFileName))
                    {
                        FileInfo fi = new FileInfo(logFileName);
                        if (fi.Length > 5024000)
                        {
                            fi.Delete();
                        }
                    }
                    StreamWriter sw = null;
                    FileStream fs = new FileStream(logFileName, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
                    sw = new StreamWriter(fs);
                    sw.WriteLine(strLog);
                    sw.Close();
                }
                catch (Exception ex)
                {
                   SystemCommon.ShowErrorMessageBox(string.Empty + ex.Message.ToString());
                }
            }
        }
    }
}