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() as Promise<any>,
    ),
    fetchMissingInformationFromAnify(aniListId).catch((err) => {
      console.error("Failed to get missing information from Anify", err);
      return null;
    }),
  ]).then(
    async ([
      {
        id,
        idMal,
        title: { english: englishTitle, userPreferred: userPreferredTitle },
        description,
        episodes,
        genres,
        status,
        bannerImage,
        coverImage: {
          extraLarge: extraLargeCoverImage,
          large: largeCoverImage,
          medium: mediumCoverImage,
        },
        countryOfOrigin,
        nextair: nextAiringEpisode,
        score: { averageScore },
      },
      anifyInfo,
    ]) => {
      return {
        id,
        idMal,
        title: {
          userPreferred: userPreferredTitle,
          english: englishTitle,
        },
        description,
        episodes,
        genres,
        status,
        averageScore,
        bannerImage: bannerImage ?? anifyInfo?.bannerImage,
        coverImage: {
          extraLarge: extraLargeCoverImage,
          large: largeCoverImage,
          medium: mediumCoverImage,
        },
        countryOfOrigin: countryOfOrigin ?? anifyInfo?.countryOfOrigin,
        nextAiringEpisode,
        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,
    }));
}