package main

import (
	"fmt"
	"net/http"
	"os"

	"xtcfs/config"
	"xtcfs/handler"

	"github.com/urfave/cli/v2"
)

var (
	port string
)

// 初始化配置
func initConfig(c *cli.Context) error {
	return config.G.SetConf(port)
}

// 目标接收端，接收发送来的文件
func receiveClient() error {
	// 加入udp 监听
	//go discovery.Listen()

	// 显示状态等
	// http.HandleFunc("/", handler.ReceiveHandler)
	// 服务信息
	http.HandleFunc("/sc", handler.SerInfo)
	// 开启web 服务，
	return http.ListenAndServe(config.G.WildcardAddress, nil)
}

// 入口函数
/**
*  保留接收的功能，用来做接收端
   fs
**/
func main() {
	app := &cli.App{
		Name:        "fstc",
		Usage:       "fstc --t|--h|--v",
		UsageText:   "fstc [global options] [filename|foldername]",
		Description: "fstc is a command-line tool",
		Flags: []cli.Flag{
			&cli.StringFlag{
				Name:        "port",
				Value:       "9099",
				Usage:       "server port",
				Aliases:     []string{"p"},
				Destination: &port,
			},
			&cli.BoolFlag{
				Name:    "version",
				Aliases: []string{"v"},
				Usage:   "v1.02",
			},
			// 监听的目录位置
			&cli.StringFlag{
				Name:    "target",
				Aliases: []string{"t"},
				Usage:   "eg:fstc --t /home",
			},
		},
		Action: func(c *cli.Context) error {
			// 接收输入的 监听目录的位置
			tgdir := c.String("t")
			if tgdir == "" {
				dir, err := os.Getwd()
				if err == nil {
					tgdir = dir
				}
				//
				fmt.Printf("work diretctory is:%s\n", tgdir)
			}

			// 工作目录
			config.G.FilePath = tgdir
			return receiveClient()

		},
		Before: initConfig,
	}

	err := app.Run(os.Args)
	if err != nil {
		fmt.Println(err.Error())
	}
}