using Microsoft.AspNetCore.Hosting;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace New_College.Common.Helper
{
    public static class FileZipHelper
    {
        /// <summary>
        /// 批量压缩上传
        /// </summary>
        /// <param name="webHost"></param>
        /// <param name="files"></param>
        /// <param name="mangeName"></param>
        /// <param name="isuploadOss"></param>
        /// <returns></returns>
        public static string FileMultipZipUpload(IWebHostEnvironment webHost, List<FileModel> files, string mangeName, bool isuploadOss = true)
        {
            string zipstr = string.Empty;
            try
            {

                var tmplist = new List<string>();
                string rootdir = webHost.WebRootPath + "/" + mangeName;
                string zipname = mangeName + ".zip";
                string ossfileUrl = webHost.WebRootPath + "/" + zipname;
                if (!Directory.Exists(rootdir))
                {
                    Directory.CreateDirectory(rootdir);
                }
                int tmpid = 0;
                files.ForEach(a =>
                {
                    string userdir = rootdir + "/" + a.UserName;
                    if (!Directory.Exists(userdir))
                    {
                        Directory.CreateDirectory(userdir);
                    }
                    tmpid++;
                    int k = 0;
                    a.fileItems.ForEach(s =>
                    {
                        if (s.ImgUrl.Contains("http"))
                        {
                            k++;
                            string filename = string.Format("{0}/{1}.{2}-{3}-{4}{5}", userdir, tmpid, s.typeName, a.UserName, k, Path.GetExtension(s.ImgUrl));
                         //   Wb_Client(s.ImgUrl, filename);
                            tmplist.Add(filename);
                        }
                    });
                });

                if (File.Exists(ossfileUrl))
                {
                    File.Delete(ossfileUrl);
                }
                ZipFile.CreateFromDirectory(rootdir, ossfileUrl);

                if (isuploadOss)
                {
                    zipstr = AliYunOssHelper.UploadFile(zipname, ossfileUrl);
                    if (!string.IsNullOrEmpty(zipstr))
                    {
                        tmplist.Add(ossfileUrl);
                        tmplist.ForEach(d =>
                        {
                            File.Delete(d);
                        });
                        Directory.Delete(rootdir, true);
                    }
                    return zipstr;
                }
                else
                {
                    tmplist.ForEach(d =>
                    {
                        File.Delete(d);
                    });
                    Directory.Delete(rootdir, true);
                    return zipname;
                }
            }
            catch (Exception ex)
            {
                DingHookHelper.DingTalkHookMessage("zip压缩错误", ex.Message);
                return "zip压缩错误";
            }

        }

    }


    public class FileModel
    {
        public string UserName { get; set; }

        public List<FileItemModel> fileItems { get; set; }

    }

    public class FileItemModel
    {
        public string typeName { get; set; }
        public string ImgUrl { get; set; }
    }
}