/**
 * Query authors by hash ID or pubkey (for backward compatibility)
 * Read only from IndexedDB - no network requests
 */

import type { SimplePoolWithSub } from '@/types/nostr-tools-extended'
import { objectCache } from './objectCache'

/**
 * Fetch author presentation by hash ID or pubkey
 * Read only from IndexedDB - no network requests
 * If the parameter looks like a pubkey (64 hex chars), it uses pubkey lookup
 * Otherwise, it uses hash ID lookup
 */
export async function fetchAuthorByHashId(
  _pool: SimplePoolWithSub,
  hashIdOrPubkey: string
): Promise<import('@/types/nostr').AuthorPresentationArticle | null> {
  // Check if it's a pubkey (64 hex characters) for backward compatibility
  if (/^[a-f0-9]{64}$/i.test(hashIdOrPubkey)) {
    // Read only from IndexedDB cache
    const cached = await objectCache.getAuthorByPubkey(hashIdOrPubkey)
    if (cached) {
      const presentation = cached as import('@/types/nostr').AuthorPresentationArticle
      // Calculate totalSponsoring from cache
      const { getAuthorSponsoring } = await import('./sponsoring')
      presentation.totalSponsoring = await getAuthorSponsoring(presentation.pubkey)
      return presentation
    }
    // Not found in cache - return null (no network request)
    return null
  }

  // Otherwise, treat as hash ID
  const hashId = hashIdOrPubkey
  // Read only from IndexedDB cache
  const cached = await objectCache.get('author', hashId)
  if (cached) {
    const presentation = cached as import('@/types/nostr').AuthorPresentationArticle
    // Calculate totalSponsoring from cache
    const { getAuthorSponsoring } = await import('./sponsoring')
    presentation.totalSponsoring = await getAuthorSponsoring(presentation.pubkey)
    return presentation
  }

  // Also try by ID if hash lookup failed
  const cachedById = await objectCache.getById('author', hashId)
  if (cachedById) {
    const presentation = cachedById as import('@/types/nostr').AuthorPresentationArticle
    // Calculate totalSponsoring from cache
    const { getAuthorSponsoring } = await import('./sponsoring')
    presentation.totalSponsoring = await getAuthorSponsoring(presentation.pubkey)
    return presentation
  }

  // Not found in cache - return null (no network request)
  return null
}