package tools

import (
	"fmt"
	"strings"

	"b612.me/sshd"

	"github.com/spf13/cobra"
)

var sftpcmd = &cobra.Command{
	Use:   "sftp",
	Short: "sftp上传下载",
	Long:  "sftp上传下载",
	Run: func(this *cobra.Command, args []string) {
		d, _ := this.Flags().GetBool("download")
		i, _ := this.Flags().GetString("identify")
		k, _ := this.Flags().GetString("password")
		p, _ := this.Flags().GetInt("port")
		b, _ := this.Flags().GetInt("buffer")
		var user, host string
		var err error
		if len(args) != 3 {
			fmt.Println("sftp <[user@]Host> <Local> <Remote>")
			this.Help()
			return
		}
		hosts := strings.Split(args[0], "@")
		if len(hosts) == 1 {
			host = hosts[0]
			user = "root"
		} else {
			user = hosts[0]
			host = hosts[1]
		}
		fmt.Println("进行SSH连接……")
		client, err := sshd.Connect(user, k, host, i, p, []string{})
		if err != nil {
			fmt.Println(err)
			return
		}
		defer client.Close()
		fmt.Println("已连接上……")
		sftp, err := sshd.CreateSftp(client)
		if err != nil {
			fmt.Println(err)
			return
		}
		defer sftp.Close()
		fmt.Println("已建立SFTP……")
		shell := func(pect float64) {
			if pect != 100.0 {
				fmt.Printf("传输已完成：%f%%\r", pect)
			} else {
				fmt.Printf("传输已完成：%f%%\n", pect)
			}
		}
		if !d {
			err = sshd.FtpTransferOutFunc(args[1], args[2], b, shell, sftp)
		} else {
			err = sshd.FtpTransferInFunc(args[1], args[2], b, shell, sftp)
		}
		if err != nil {
			fmt.Println(err)
		}
	},
}

func init() {
	Maincmd.AddCommand(sftpcmd)
	sftpcmd.Flags().BoolP("download", "d", false, "进行下载")
	sftpcmd.Flags().StringP("identify", "i", "", "RSA登录密钥")
	sftpcmd.Flags().StringP("password", "k", "", "登录密码")
	sftpcmd.Flags().IntP("port", "p", 22, "登录端口")
	sftpcmd.Flags().IntP("buffer", "b", 10240, "buffer大小")
}