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

export default defineEventHandler((event) => {
  const query = getQuery(event)
  const light = String(query.light || '') === '1'
  const limitRaw = query.limit
  const wantsPage = limitRaw != null && String(limitRaw) !== ''

  if (wantsPage) {
    const page = publicLibraryPage(event, {
      limit: Number(limitRaw) || 50,
      cursor: String(query.cursor || ''),
      folderId: String(query.folderId || query.folder || ''),
      type: String(query.type || query.filter || 'all')
    })
    try {
      const { owner } = assertLibraryOwner(event)
      const folderId = page.folders.find(folder => folder.unlocked)?.id
      void maintainLibrary(owner, folderId).catch(() => null)
    } catch { /* locked or anonymous */ }
    return page
  }

  const library = publicLibrary(event, { light })
  try {
    const { owner } = assertLibraryOwner(event)
    const folderId = library.folders.find(folder => folder.unlocked)?.id
    void maintainLibrary(owner, folderId).catch(() => null)
  } catch { /* locked or anonymous — still return what we can */ }
  return library
})