export default async ($mod) => {
  console.log('load vbase')
  // Load i18n
  try {
    const langs = await (await fetch($mod.scoped + '/langs.json')).json()
    $mod.$i18n.load(langs)
  } catch (e) {
    console.error('Failed to load langs.json', e)
  }
  if (!$mod.$auth) {
    let VBase = (await import($mod.scoped + '/vbase.js')).default
    $mod.users = {}
    const vbase = new VBase($mod.scoped, $mod.scoped + '/login', $mod.users)
    $mod.$auth = vbase
  }
  $mod.$fetch = async (url, opts = {}) => {
    let fullUrl = url
    if (opts.params) {
      const qs = new URLSearchParams()
      for (const [k, v] of Object.entries(opts.params)) {
        if (v != null) qs.append(k, v)
      }
      fullUrl += '?' + qs.toString()
    }
    const init = { method: opts.method || 'GET', headers: {} }
    if (opts.body != null && init.method !== 'GET') {
      init.headers['Content-Type'] = 'application/json'
      init.body = JSON.stringify(opts.body)
    }
    const r = await $mod.fetch(fullUrl, init)
    const d = await r.json().catch(() => ({}))
    if (!r.ok) throw new Error(d.message || d.error || `HTTP ${r.status}`)
    return d
  }
}