using log4net;
using Quartz;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Web;
using ICSharpCode.SharpZipLib.Zip;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace MailSend.Common
{
    /// <summary>
    /// 压缩日志 
    /// </summary>
    public class LogZipJob : IJob
    {
        private ILog logger = LogManager.GetLogger("LogZipJob");

        Task IJob.Execute(IJobExecutionContext context)
        {
            return Task.Run(() =>
            {
                logger.Debug($"准备压缩日志文件");
                string logPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "App_Data\\Logs");
                logger.Debug(logPath);
                string[] files = Directory.GetFiles(logPath);
                string regex = "^(debug|error)\\.log(\\.[0-9]{1,3})?$";
                if (files.Length > 0)
                {
                    string zipFile = Path.Combine(logPath, $"{DateTime.Now.ToString("yyyyMMddHHmmss")}.zip");
                    string tempPath = Path.Combine(logPath, "temp");
                    if (Directory.Exists(tempPath))
                    {
                        Directory.Delete(tempPath, true);
                    }
                    Directory.CreateDirectory(tempPath);

                    try
                    {
                        foreach (string file in files)
                        {
                            FileInfo fileInfo = new FileInfo(file);
                            if (!Regex.IsMatch(fileInfo.Name, regex) && fileInfo.Extension != ".zip")
                            {
                                logger.Debug($"发现待压缩文件：{fileInfo.Name}");

                                File.Copy(file, Path.Combine(tempPath, fileInfo.Name));
                                File.Delete(file);
                            }
                        }
                        FastZip fastZip = new FastZip();
                        fastZip.CreateZip(zipFile, tempPath, true, "");
                        Directory.Delete(tempPath, true);
                    }
                    catch (Exception ex)
                    {
                        logger.Error(ex.Message);
                        logger.Error(ex.StackTrace);
                    }
                }
                logger.Debug($"压缩日志文件完成");
            });
        }
    }
}