// Copyright 2016 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Mounts MemNodeFs for testing purposes.

package main

import (
	"flag"
	"fmt"
	"os"

	"github.com/hanwen/go-fuse/v2/fuse"
	"github.com/hanwen/go-fuse/v2/fuse/nodefs"
)

func main() {
	// Scans the arg list and sets up flags
	debug := flag.Bool("debug", false, "print debugging messages.")
	flag.Parse()
	if flag.NArg() < 2 {
		// TODO - where to get program name?
		fmt.Println("usage: main MOUNTPOINT BACKING-PREFIX")
		os.Exit(2)
	}

	mountPoint := flag.Arg(0)
	prefix := flag.Arg(1)
	root := nodefs.NewMemNodeFSRoot(prefix)
	conn := nodefs.NewFileSystemConnector(root, nil)
	server, err := fuse.NewServer(conn.RawFS(), mountPoint, &fuse.MountOptions{
		Debug: *debug,
	})
	if err != nil {
		fmt.Printf("Mount fail: %v\n", err)
		os.Exit(1)
	}
	fmt.Println("Mounted!")
	server.Serve()
}