const Fuse = require('./')

const ops = {
  readdir: function (path, cb) {
    console.log('readdir(%s)', path)
    if (path === '/') return process.nextTick(cb, 0, ['test'], [
      {
        mtime: new Date(),
        atime: new Date(),
        ctime: new Date(),
        nlink: 1,
        size: 12,
        mode: 33188,
        uid: process.getuid ? process.getuid() : 0,
        gid: process.getgid ? process.getgid() : 0
      }
    ])
    return process.nextTick(cb, 0)
  },
  /*
  access: function (path, cb) {
    return process.nextTick(cb, 0)
  },
  */
  getattr: function (path, cb) {
    console.log('getattr(%s)', path)
    if (path === '/') {
      return process.nextTick(cb, 0, {
        mtime: new Date(),
        atime: new Date(),
        ctime: new Date(),
        nlink: 1,
        size: 100,
        mode: 16877,
        uid: process.getuid ? process.getuid() : 0,
        gid: process.getgid ? process.getgid() : 0
      })
    }

    if (path === '/test') {
      return process.nextTick(cb, 0, {
        mtime: new Date(),
        atime: new Date(),
        ctime: new Date(),
        nlink: 1,
        size: 12,
        mode: 33188,
        uid: process.getuid ? process.getuid() : 0,
        gid: process.getgid ? process.getgid() : 0
      })
    }

    return process.nextTick(cb, Fuse.ENOENT)
  },
  open: function (path, flags, cb) {
    console.log('open(%s, %d)', path, flags)
    return process.nextTick(cb, 0, 42) // 42 is an fd
  },
  read: function (path, fd, buf, len, pos, cb) {
    console.log('read(%s, %d, %d, %d)', path, fd, len, pos)
    var str = 'hello world\n'.slice(pos)
    if (!str) return process.nextTick(cb, 0)
    buf.write(str)
    return process.nextTick(cb, str.length)
  }
}

const fuse = new Fuse('./mnt', ops, { debug: true, displayFolder: true })
fuse.mount(err => {
  if (err) throw err
  console.log('filesystem mounted on ' + fuse.mnt)
})

process.once('SIGINT', function () {
  fuse.unmount(err => {
    if (err) {
      console.log('filesystem at ' + fuse.mnt + ' not unmounted', err)
    } else {
      console.log('filesystem at ' + fuse.mnt + ' unmounted')
    }
  })
})