import { publicLibrary, publicLibraryPage } from '~/server/utils/library'

export default defineEventHandler((event) => {
  const query = getQuery(event)
  const light = String(query.light || '') === '1'
  const full = String(query.full || '') === '1'
  const limitRaw = query.limit
  const hasLimit = limitRaw != null && String(limitRaw) !== ''
  // Default GET /api/library → page helper (limit 50). Opt into full catalog with full=1 or legacy light=1.
  const wantsFull = full || (light && !hasLimit)

  if (!wantsFull) {
    return publicLibraryPage(event, {
      limit: hasLimit ? Number(limitRaw) || 50 : 50,
      cursor: String(query.cursor || ''),
      folderId: String(query.folderId || query.folder || ''),
      type: String(query.type || query.filter || 'all')
    })
  }

  // Full catalog path — no thumb prewarm on the request (thumbs build on /thumb hit)
  return publicLibrary(event, { light: true })
})