package main

import (
	"Victorique/vtqe/httpserver"
	"os"
	"os/signal"
	"syscall"

	"b612.me/starlog"

	"b612.me/staros"

	"github.com/spf13/cobra"
)

var httpPort, httpIP, httpPath, httpBasicAuth, httpCertKey, logPath, httpIndexFile string
var doUpload, daemon, httpStopMime bool

func init() {
	httpcmd.Flags().StringVarP(&httpPort, "port", "p", "80", "监听端口")
	httpcmd.Flags().StringVarP(&httpIP, "ip", "i", "0.0.0.0", "监听ip")
	httpcmd.Flags().StringVarP(&httpPath, "folder", "f", "./", "本地文件地址")
	httpcmd.Flags().BoolVarP(&doUpload, "upload", "u", false, "是否开启文件上传")
	httpcmd.Flags().BoolVarP(&daemon, "daemon", "d", false, "以后台进程运行")
	httpcmd.Flags().StringVarP(&httpBasicAuth, "auth", "a", "", "HTTP BASIC AUTH认证(用户名:密码)")
	httpcmd.Flags().StringVarP(&httpIndexFile, "index", "n", "", "Index文件名，如index.html")
	httpcmd.Flags().StringVarP(&logPath, "log", "l", "", "log地址")
	httpcmd.Flags().StringVarP(&httpCertKey, "cert", "c", "", "TLS证书路径，用:分割证书与密钥")
	httpcmd.Flags().BoolVarP(&httpStopMime, "disablemime", "m", false, "停止解析MIME，全部按下载文件处理")
	httpcmd.Flags().Bool("daeapplied", false, "")
	httpcmd.Flags().MarkHidden("daeapplied")
}

// httpCmd represents the http command
var httpcmd = &cobra.Command{
	Use:   "http",
	Short: "HTTP文件服务器",
	Long:  `HTTP文件服务器`,
	Run: func(cmd *cobra.Command, args []string) {
		apply, _ := cmd.Flags().GetBool("daeapplied")
		if daemon && !apply {
			nArgs := append(os.Args[1:], "--daeapplied")
			pid, err := staros.Daemon(os.Args[0], nArgs...)
			if err != nil {
				starlog.Criticalln("Daemon Error:", err)
				os.Exit(1)
			}
			starlog.StdPrintf([]starlog.Attr{starlog.FgGreen}, "Success,PID=%v\n", pid)
			return
		}
		err := run()
		if err != nil {
			starlog.Errorln("Http Server Closed by Errors")
			os.Exit(4)
		}
		starlog.Infoln("Http Server Closed Normally")
		return
	},
}

func run() error {
	if logPath != "" {
		if !staros.Exists(logPath) {
			err := starlog.SetLogFile(logPath)
			if err != nil {
				starlog.Errorln("Create LogFile Failed:", err)
				os.Exit(2)
			}
			defer starlog.Close()
		} else {
			logFp, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND, 0755)
			if err != nil {
				starlog.Errorln("Create LogFile Failed:", err)
				os.Exit(2)
			}
			defer logFp.Close()
			starlog.Std.SwitchOut(logFp)
		}
	}
	stopChan := make(chan os.Signal, 1)
	overChan := make(chan error)
	signal.Notify(stopChan, syscall.SIGINT, syscall.SIGKILL)
	go func(stop chan<- error) {
		err := httpserver.RunHttpServer(httpIP, httpPort, httpBasicAuth, httpPath, httpCertKey, vtqe_version, httpIndexFile, doUpload, httpStopMime)
		stop <- err
	}(overChan)
	select {
	case <-stopChan:
		return nil
	case err := <-overChan:
		return err
	}
}