/**
 * Map page — server component shell for the interactive map.
 * Loads Leaflet CSS, renders the MapView client component.
 */

import { getConfig } from '@/lib/config';
import { isListedSubpage, listedAlbumIds } from '@/lib/config/schema';
import { notFound } from 'next/navigation';
import { MapView } from '@/components/MapView';
import { BackLink } from '@/components/BackLink';
import type { Metadata } from 'next';
import { getServerDictionary } from '@/lib/i18n/server';
// Imported here as well as in LeafletMap: this page has the stylesheet in its
// server HTML, so the tiles never render before their CSS.
import 'leaflet/dist/leaflet.css';
import './map.css';

export const dynamic = 'force-dynamic';

export function generateMetadata(): Metadata {
  return { title: getServerDictionary().map.title };
}

export default function MapPage() {
  const config = getConfig();
  const t = getServerDictionary();

  if (!config.map) {
    notFound();
  }

  // Counts what the map may show: a hidden subpage is reachable by direct
  // link only, so neither it nor an album only it carries is counted.
  const collectionCount = config.subpages.filter(isListedSubpage).length;
  const albumCount = listedAlbumIds(config).size;

  return (
    <>
      <div className="map-page">
        <div className="map-page__header">
          <div className="map-page__header-main">
            <BackLink href="/" label={t.common.backToGallery} />
            <p className="map-page__kicker" aria-hidden="true">
              {t.map.kicker}
            </p>
            <h1 className="map-page__title">{t.map.title}</h1>
            <p className="map-page__subtitle">{t.map.subtitle}</p>
          </div>
          <p className="map-page__meta" aria-hidden="true">
            {t.common.collections(collectionCount)} · {t.common.albums(albumCount)}
          </p>
        </div>
        <MapView />
      </div>
    </>
  );
}