using System;
using System.IO;
using System.IO.Compression;
//using SharpCompress.Archives;
//using SharpCompress.Archives.Zip;
//using SharpCompress.Common;
using HZQR.Common;

namespace ZipTool
{
    public class ZipHelper
    {
        //public static void CompressFile(string sourceFile, string compressedFile)
        //{
        //    // 创建文件流
        //    using (FileStream sourceStream = new FileStream(sourceFile, FileMode.Open))
        //    {
        //        // 创建压缩文件流
        //        using (FileStream compressedStream = File.Create(compressedFile))
        //        {
        //            // 创建压缩流
        //            using (GZipStream compressor = new GZipStream(
        //                compressedStream, CompressionMode.Compress))
        //            {
        //                // 复制文件流到压缩流
        //                sourceStream.CopyTo(compressor);
        //            }
        //        }
        //    }
        //}

        public static void CompressDirectory()
        {
            try
            {
                //待压缩的文件夹路径
                string folderDir = Config.AppSettings.ZipDirectory;
                //压缩文件存放路径
                string zipFileDir = Config.AppSettings.ZipFileDirectory;
                //压缩文件全路径
                string zipFileName = zipFileDir + "\\" + DateTime.Now.ToString("yyyy年MM月dd日_HHmmss") + ".zip";

                //开始删除历史压缩文件
                foreach (string zipFileFullPath in Directory.GetFiles(zipFileDir))
                {
                    FileInfo fileInfo = new FileInfo(zipFileFullPath);
                    if (fileInfo.LastWriteTime.Date < DateTime.Now.AddDays(Config.AppSettings.DeleteDays))
                    {
                        LogUtil.WriteLog("开始删除文件：" + zipFileFullPath);

                        fileInfo.Delete();

                        LogUtil.WriteLog("文件【" + zipFileFullPath + "】删除成功！");
                    }
                }

                //using (var archive = ZipArchive.Create())
                //{
                LogUtil.WriteLog("开始压缩文件夹：" + folderDir);

                ZipFile.CreateFromDirectory(folderDir, zipFileName); //将整个文件夹压缩为ZIP文件

                //    archive.AddAllFromDirectory(folderDir);
                //    archive.SaveTo(zipFileName, CompressionType.Deflate);

                LogUtil.WriteLog("文件夹【" + folderDir + "】压缩成功！存放目录：" + zipFileName);
                //}

                LogUtil.WriteLog("开始删除文件夹：" + folderDir);

                DeleteDirectory(folderDir);

                LogUtil.WriteLog("文件夹【" + folderDir + "】删除成功！");
            }
            catch (Exception ex)
            {
                LogUtil.WriteLog(ex);
            }
        }


        public static void DeleteDirectory(string folderDir)
        {
            foreach (string directoryPath in Directory.GetDirectories(folderDir))
            {
                LogUtil.WriteLog("开始删除文件夹：" + directoryPath);

                DeleteDirectory(directoryPath);

                LogUtil.WriteLog("文件夹【" + directoryPath + "】删除成功！");
            }

            foreach (string filePath in Directory.GetFiles(folderDir))
            {
                LogUtil.WriteLog("开始删除文件：" + filePath);

                File.Delete(filePath);

                LogUtil.WriteLog("文件【" + filePath + "】删除成功！");
            }

            Directory.Delete(folderDir);
        }
    }
}