export enum Resource {
  MangaDex = 'MangaDex',
  Rawkuma = 'Rawkuma'
}

export const identify = (url: string): Resource | undefined => {
  if (url.match(/mangadex\.org\/title\/([a-f0-9-]+)\/?/)?.[1]) {
    return Resource.MangaDex;
  } else if (url.match(/rawkuma\.com\/manga\/([a-z0-9-]+)\/?/)?.[1]) {
    return Resource.Rawkuma;
  }

  return undefined;
};

export const fetchResource = async (url: string) => {
  const resource = identify(url);

  if (resource === Resource.MangaDex) {
    return await fetch(
      `https://api.mangadex.org/manga/${
        url.match(/mangadex\.org\/title\/([a-f0-9-]+)\/?/)?.[1]
      }/feed?order[chapter]=desc&translatedLanguage[]=en`
    );
  } else if (resource === Resource.Rawkuma) {
    return await fetch(url);
  }

  return fetch(url);
};

export const decodeResource = async (response: Response, url: string) => {
  const resource = identify(url);

  if (resource === Resource.MangaDex) {
    return await response.json();
  } else {
    return await response.text();
  }
};