import { auth } from '@/lib/auth';
import { prisma } from '@/lib/db';
import { SYNC_KEY } from '@/lib/holidays/sync';
import { toCivilDate } from '@/lib/schedule/civil';
import { loadSettings } from '@/lib/schedule/context';
import { formatDateFr } from '@/lib/schedule/format';

import HolidayManager, { type HolidayRow } from './HolidayManager';

export const metadata = { title: 'Jours fériés — ITA ITO' };

export default async function HolidaysPage() {
  const [session, settings] = await Promise.all([auth(), loadSettings()]);
  const today = toCivilDate(new Date(), settings.timezone);

  const [rows, state] = await Promise.all([
    prisma.publicHoliday.findMany({
      where: {
        subdivisionCode: settings.subdivisionCode,
        date: { gte: new Date(`${today}T00:00:00.000Z`) },
      },
      orderBy: { date: 'asc' },
    }),
    prisma.syncState.findUnique({ where: { key: SYNC_KEY } }),
  ]);

  const holidays: HolidayRow[] = rows.map((row) => {
    const date = row.date.toISOString().slice(0, 10);
    return {
      id: row.id,
      date,
      label: formatDateFr(date),
      nameFr: row.nameFr,
      nameEn: row.nameEn,
      nationwide: row.nationwide,
      isAutoClosed: row.isAutoClosed,
    };
  });

  return (
    <main className="mx-auto max-w-3xl px-4 py-10">
      <h1 className="text-2xl">Jours fériés</h1>
      <p className="mt-2 max-w-prose text-[var(--ink-muted)]">
        Calendrier glissant sur douze mois, synchronisé chaque nuit depuis openholidaysapi.org. Tous
        les fériés ne ferment pas la boutique&nbsp;: la case décide, pas l’API.
      </p>

      <HolidayManager
        canEdit={session?.user?.role === 'admin'}
        holidays={holidays}
        subdivisionCode={settings.subdivisionCode}
        lastSuccessAt={state?.lastSuccessAt ? state.lastSuccessAt.toLocaleString('fr-CH') : null}
        lastError={state?.lastErrorAt ? (state.lastError ?? 'raison inconnue') : null}
      />
    </main>
  );
}