// webdav
// 远程文件下载
package main

import (
	"fmt"
	"log"
	"path/filepath"
	"strings"
	"time"

	"github.com/studio-b12/gowebdav"
)

var filenum = 0

// 获取数据目录
func getRemoteFilePath(webdav, user, secert, remote string) {
	log.Println("准备下载 ", remote)
	client := gowebdav.NewAuthClient(webdav, gowebdav.NewAutoAuth(user, secert))
	client.Connect()

	// 获取根目录列表
	entries, err := client.ReadDir(remote)
	if err != nil {
		log.Fatal(err)
	}

	// 遍历目录结构
	for _, entry := range entries {
		log.Println(remote + "/" + entry.Name())
		if entry.IsDir() {
			// 如果是目录，则递归遍历子目录
			readDirRecursive(client, remote+"/"+entry.Name())
		}
	}
	log.Println(fmt.Sprintf("读取文件总数量为：%d", filenum))
}

// 递归遍历目录结构
func readDirRecursive(client *gowebdav.Client, path string) {
	entries, err := client.ReadDir(path)
	if err != nil {
		log.Fatal(err)
	}
	for _, entry := range entries {
		if entry.IsDir() {
			// 如果是目录，则递归遍历子目录
			readDirRecursive(client, path+"/"+entry.Name())
		} else {
			if filenum%1000 == 0 {
				log.Println(fmt.Sprintf("已读取文件数量：%d,当前路径为：%s", filenum, path))
			}
			filenum++
			file_path := path + "/" + entry.Name()
			log.Println(file_path)
			sp1 := strings.Split(file_path, "/")
			sp2 := strings.Split(entry.Name(), ".")
			if len(sp2) < 2 || len(sp1) < 3 {
				log.Println(file_path)
				db.Update("fileitem_err",
					map[string]interface{}{"file_path": file_path},
					map[string]interface{}{
						"$set": map[string]interface{}{
							"file_name": entry.Name(),
							"file_path": file_path,
						}},
					true,
					false,
				)
			} else {
				if file_path == "2022年/陕西省/商洛市/政府/2022_残疾人联合会_1.pdf" {
					log.Println("sssssssssssssssssss")
				}

				db.Update("fileitem",
					map[string]interface{}{"file_path": file_path},
					map[string]interface{}{
						"$set": map[string]interface{}{
							"file_name":  entry.Name(),
							"file_path":  file_path,
							"file_size":  entry.Size(),
							"file_time":  entry.ModTime().Format("2006-01-02 15:04:05"),
							"file_type":  sp2[1],
							"year":       sp1[0],
							"area":       sp1[1],
							"city":       sp1[2],
							"updatetime": time.Now().Unix(),
						}},
					true,
					false,
				)
			}
		}
	}
}

// downloadRemoteExcelFile
func downloadRemoteExcelFile(webdav, user, secert, remote string) {
	log.Println("准备下载 ", remote)
	// //TODO 创建本地目录
	// dir, err := os.Getwd()
	// if err != nil {
	// 	log.Println(err)
	// 	return
	// }
	// path := filepath.Join(dir, "attaches")
	// if _, err := os.Stat(path); err != nil {
	// 	os.MkdirAll(path, 0777)
	// }
	client := gowebdav.NewAuthClient(webdav, gowebdav.NewAutoAuth(user, secert))
	client.Connect()
	fs, err := client.ReadDir(remote)
	if err != nil {
		log.Println(err)
		return
	}

	for _, f := range fs {
		fn := f.Name()
		ext := strings.ToLower(filepath.Ext(fn))
		if ext == ".xls" || ext == ".xlsx" {

			fpath := strings.ReplaceAll(filepath.Join(remote, fn), "\\", "/")
			log.Println(fpath)
			// reader, err := client.ReadStream(fpath)
			// if err != nil {
			// 	log.Println(err)
			// 	continue
			// }
			// fo, err := os.OpenFile(filepath.Join(path, fn), os.O_CREATE|os.O_RDWR|os.O_SYNC|os.O_TRUNC, 0777)
			// if err != nil {
			// 	log.Println(err)
			// 	continue
			// }
			// io.Copy(fo, reader)
			// reader.Close()
			// fo.Close()
		} else {
			log.Println("跳过 " + fn)
		}
	}
	log.Println("下载完成")
	//reloadFilelistData()
}