import { getDefaultAuthenticatedPath } from '~~/shared/auth'

function getSafeRedirectPath(value: unknown) {
  const redirect = Array.isArray(value) ? value[0] : value

  return typeof redirect === 'string' && redirect.startsWith('/') && !redirect.startsWith('//')
    ? redirect
    : null
}

export default defineNuxtRouteMiddleware(async (to) => {
  const auth = useAuth()
  await auth.fetchSession()

  if (!auth.user.value) {
    return
  }

  return navigateTo(getSafeRedirectPath(to.query.redirect) || getDefaultAuthenticatedPath(auth.user.value))
})