import { env } from "cloudflare:workers";

export async function fetchSearchResultsFromAnilist(
  query: string,
  page: number,
  limit: number,
): Promise<SearchResultsResponse | undefined> {
  const durableObjectId = env.ANILIST_DO.idFromName("GLOBAL");
  const stub = env.ANILIST_DO.get(durableObjectId);

  const Page = await stub.search(query, page, limit);

  if (!Page || Page.media?.length === 0) {
    return undefined;
  }

  const { media: results, pageInfo } = Page;
  return {
    results: results?.map((result: any) => {
      if (!result) return null;

      return {
        id: result.id,
        title: result.title?.userPreferred ?? result.title?.english,
        coverImage: result.coverImage,
      };
    }),
    hasNextPage: pageInfo?.hasNextPage,
  };
}

type SearchResultsResponse = {
  results:
    | ({
        id: number;
        title: { userPreferred: string | null; english: string | null } | null;
        coverImage: {
          extraLarge: string | null;
          large: string | null;
          medium: string | null;
        } | null;
      } | null)[]
    | null;
  hasNextPage: boolean | null | undefined;
};