package main

import (
	"fmt"
	"fssc/config"
	"net/http"
	"os"
	"path/filepath"

	"fssc/internal/discovery"
	"fssc/internal/handler"
	"fssc/web"

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

var (
	port string
)

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

// 发送端
func sendClient() error {
	// 发送者角色
	go discovery.Send(discovery.Sender)
	//udp 监听指定路径下的文件
	go discovery.Listen(discovery.Receiver, config.G.FilePath)

	url := fmt.Sprintf("http://%s:%s", config.G.LocalIP, config.G.Port)
	fmt.Printf("Server address: %s\n", url)

	http.HandleFunc("/", handler.SendHandler)
	// ico
	http.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "image/x-icon")
		http.ServeFile(w, r, "./favicon.ico")
	})
	// 加载静态资源
	http.Handle("/static/", http.StripPrefix("/static/",
		http.FileServer(http.FS(web.StaticFs))))

	// 文件更新包
	http.HandleFunc("/up", handler.UpServer)
	// 传送单文件
	http.HandleFunc("/sup", handler.Supfile)
	// udp 传送文件
	http.HandleFunc("/sendZip", handler.SendZip)
	// 监视目标的fs json
	http.HandleFunc("/nf", handler.NfTest)
	// web console
	http.HandleFunc("/console", handler.WebConsole)

	fmt.Println("send file to server...")

	return http.ListenAndServe(config.G.WildcardAddress, nil)
}

// 入口函数
func main() {
	app := &cli.App{
		Name:        "fssc",
		Usage:       "file transfer tool",
		UsageText:   "fssc [global options] [filename|foldername]",
		Description: "fssc is a simple command-line tool send file/folder",
		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:   "print the version",
			},
		},
		Action: func(c *cli.Context) error {

			if c.NArg() > 0 {
				currentPath := filepath.ToSlash(c.Args().Get(0))
				config.G.FilePath = currentPath
				return sendClient()
			} else {
				fmt.Println("no input args")
				return nil
			}
			//return receiveClient()
		},
		Before: initConfig,
	}
	err := app.Run(os.Args)
	if err != nil {
		fmt.Println(err.Error())
	}
}