import type { Metadata } from 'next'
import { loadVisibleDocument } from '@/lib/documents/service'
import { permissionsForPrint } from '@/lib/export/printAccess'
import { DocumentSheet } from '@/components/print/DocumentSheet'
import { NotAvailable } from '../../../NotAvailable'

export const dynamic = 'force-dynamic'

export async function generateMetadata({
  params,
}: {
  params: Promise<{ documentNumber: string }>
}): Promise<Metadata> {
  const { documentNumber } = await params
  return { title: documentNumber, robots: { index: false, follow: false } }
}

/**
 * Druckansicht eines einzelnen Dokuments. Der Bogen selbst steht in
 * `components/print/DocumentSheet`, weil ihn auch das Dossier braucht.
 */
export default async function PrintDocumentPage({
  params,
  searchParams,
}: {
  params: Promise<{ documentNumber: string }>
  searchParams: Promise<{ token?: string }>
}) {
  const { documentNumber } = await params
  const { token } = await searchParams

  const zugang = await permissionsForPrint(token)
  if (!zugang) return <NotAvailable />

  const doc = await loadVisibleDocument(zugang.permissions, documentNumber)
  if (!doc) return <NotAvailable />

  return (
    <main className="print-sheet">
      <DocumentSheet
        permissions={zugang.permissions}
        displayName={zugang.displayName}
        doc={doc}
      />
    </main>
  )
}