return `<?xml version="1.0" encoding="UTF-8"?>
   <urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9">
     <!--We manually set the two URLs we know already-->
     <url>
       <loc>${URL}</loc>
     </url>
     <url>
       <loc>${URL}</loc>
     </url>
      <url>
       <loc>${URL}</loc>
     </url>
     ${posts
       .map(({ id }) => {
         return `
           <url>
               <loc>${`${URL}/${id}`}</loc>
           </url>
         `
       })
       .join('')}
   </urlset>
 `
}

export default withClerkMiddleware((req: NextRequest) => {
  const url = req.nextUrl

  // Get hostname of request (e.g. demo.vercel.pub, demo.localhost:3000)
  const hostname = req.headers.get('host') || 'demo.useverk.com'

  // Get the pathname of the request (e.g. /, /about, /blog/first-post)
  const path = url.pathname

  if (path.startsWith('/api')) {
    return NextResponse.next()
  }

  const currentHost =
    // eslint-disable-next-line turbo/no-undeclared-env-vars
    process.env.NODE_ENV === 'production' && process.env.VERCEL === '1'
      ? hostname.replace(`.useverk.com`, '')
      : hostname.replace(`.localhost:3000`, '')

  // rewrites for app pages
  if (currentHost == 'app') {
    if (isPublic(req.nextUrl.pathname)) {
      url.pathname = `/app${url.pathname}`
      return NextResponse.rewrite(url)
    }

    const { userId } = getAuth(req)

    if (!userId) {
      const signInUrl = new URL('/sign-in', req.url)
      signInUrl.searchParams.set('redirect_url', req.url)
      return NextResponse.redirect(signInUrl)
    }
    url.pathname = `/app${url.pathname}`
    return NextResponse.rewrite(url)
  }

  // rewrite root application to `/home` folder
  if (
    hostname === 'localhost:3000' ||
    hostname === 'useverk.com' ||
    hostname === 'www.useverk.com' ||
    hostname === 'www2.useverk.com' ||
    hostname.endsWith('vercel.app')
  ) {
    return NextResponse.rewrite(new URL(`/home${path}`, req.url))
  }

  // rewrite everything else to `/_sites/[site] dynamic route
  return NextResponse.rewrite(
    new URL(`/sites/${currentHost}${path}${req.nextUrl.search}`, req.nextUrl)
  )
})

// rewrite everything else to `/_sites/[site] dynamic route
  return NextResponse.rewrite(
    new URL(`/sites/${currentHost}${path}${req.nextUrl.search}`, req.nextUrl)
  )