import { Title } from "~/types/title";

export async function fetchTitleFromAmvstrm(
  aniListId: number,
): Promise<Title | undefined> {
  return Promise.all([
    fetch(`https://api-amvstrm.nyt92.eu.org/api/v2/info/${aniListId}`).then(
      (res) => res.json<any>(),
    ),
    fetchMissingInformationFromAnify(aniListId).catch((err) => {
      console.error("Failed to get missing information from Anify", err);
      return null;
    }),
  ]).then(async ([amvstrmInfo, anifyInfo]) => {
    if (amvstrmInfo.code >= 400) {
      console.error(
        `Error trying to load title from amvstrm; aniListId: ${aniListId}, code: ${amvstrmInfo.code}, message: ${amvstrmInfo.message}`,
      );
      return undefined;
    }

    return {
      id: amvstrmInfo.id,
      idMal: amvstrmInfo.idMal,
      title: {
        userPreferred: amvstrmInfo.title.userPreferred,
        english: amvstrmInfo.title.english,
      },
      description: amvstrmInfo.description,
      episodes: amvstrmInfo.episodes,
      genres: amvstrmInfo.genres,
      status: amvstrmInfo.status,
      averageScore: amvstrmInfo.score.averageScore,
      bannerImage: amvstrmInfo.bannerImage ?? anifyInfo?.bannerImage,
      coverImage: {
        extraLarge: amvstrmInfo.coverImage.extraLarge,
        large: amvstrmInfo.coverImage.large,
        medium: amvstrmInfo.coverImage.medium,
      },
      countryOfOrigin:
        amvstrmInfo.countryOfOrigin ?? anifyInfo?.countryOfOrigin,
      nextAiringEpisode: amvstrmInfo.nextair,
      mediaListEntry: null,
    };
  });
}

type AnifyInformation = {
  bannerImage: string | null;
  countryOfOrigin: string;
};

function fetchMissingInformationFromAnify(
  aniListId: number,
): Promise<AnifyInformation> {
  return fetch(`https://api.anify.tv/info?id=${aniListId}`)
    .then((res) => res.json() as Promise<AnifyInformation>)
    .then(({ bannerImage, countryOfOrigin }) => ({
      bannerImage,
      countryOfOrigin,
    }));
}