package webdav

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

	"golang.org/x/net/webdav"
	"imuslab.com/bokofs/bokofsd/mod/bokoworker"
)

/*
	WebDAV module

	This module handle the interfacing to the underlying file system
	through the middle ware
*/

type Options struct {
	ListeningAddress string //Listening address, e.g. 0.0.0.0:8443
	SecureServe      bool   //Use TLS to serve the WebDAV request
	PublicKeyPath    string
	PrivateKeyPath   string
}

type Server struct {
	LoadedWorkers *bokoworker.Worker
}

func NewWebdavInterfaceServer() *Server {
	return &Server{}
}

func (s *Server) Start() error {
	srv := &webdav.Handler{
		FileSystem: webdav.Dir(dir),
		LockSystem: webdav.NewMemLS(),
		Logger: func(r *http.Request, err error) {
			if err != nil {
				log.Printf("WEBDAV [%s]: %s, ERROR: %s\n", r.Method, r.URL, err)
			} else {
				log.Printf("WEBDAV [%s]: %s \n", r.Method, r.URL)
			}
		},
	}
	http.Handle("/", srv)
	if *serveSecure == true {
		if _, err := os.Stat("./cert.pem"); err != nil {
			fmt.Println("[x] No cert.pem in current directory. Please provide a valid cert")
			return
		}
		if _, er := os.Stat("./key.pem"); er != nil {
			fmt.Println("[x] No key.pem in current directory. Please provide a valid cert")
			return
		}

		go http.ListenAndServeTLS(fmt.Sprintf(":%d", *httpsPort), "cert.pem", "key.pem", nil)
	}
	if err := http.ListenAndServe(fmt.Sprintf(":%d", *httpPort), nil); err != nil {
		log.Fatalf("Error with WebDAV server: %v", err)
	}
}