import { ogImage, OG_SIZE, OG_CONTENT_TYPE } from '@/lib/og';
import { getGeneBySymbol } from '@/lib/queries/genomics';
import { fmtInt } from '@/lib/format';

export const alt = 'CancerIndex gene page';
export const size = OG_SIZE;
export const contentType = OG_CONTENT_TYPE;
export const revalidate = 3600;

export default async function Image({ params }: { params: Promise<{ symbol: string }> }) {
  const { symbol } = await params;
  const g = await getGeneBySymbol(symbol);
  if (!g) return ogImage({ kicker: 'Gene', title: 'Gene not found', subtitle: symbol });
  const facts = [
    g.evidence_count ? { label: 'curated evidence items', value: fmtInt(g.evidence_count) } : null,
    g.variant_count ? { label: 'variants', value: fmtInt(g.variant_count) } : null,
    g.cohort_count ? { label: 'genomic cohorts', value: fmtInt(g.cohort_count) } : null,
  ].filter((f): f is { label: string; value: string } => !!f);
  return ogImage({
    kicker: `Gene${g.hgnc_id ? ` · ${g.hgnc_id}` : ''}${g.is_cancer_gene ? ' · cancer gene' : ''}`,
    title: g.symbol,
    subtitle: g.name ?? 'Curated cancer evidence, variants and cohort alteration frequencies.',
    facts,
    sourcesNote: 'HGNC · CIViC · ClinVar · GDC · cBioPortal',
  });
}