import { sortByProperty } from "~/libs/sortByProperty";
import type { FetchUrlResponse } from "~/types/episode/fetch-url-response";

import { type SkipTime, convertSkipTime } from "./convertSkipTime";
import {
  audioPriority,
  qualityPriority,
  subtitlesPriority,
} from "./priorities";

export async function getSourcesFromAnify(
  provider: string,
  watchId: string,
  aniListId: number,
): Promise<FetchUrlResponse | null> {
  const response = await fetch("https://anify.eltik.cc/sources", {
    body: JSON.stringify({
      watchId,
      providerId: provider,
      episodeNumber: "1",
      id: aniListId.toString(),
      subType: "sub",
    }),
    method: "POST",
  }).then((res) => res.json() as Promise<AnifySourcesResponse>);
  const { sources, subtitles, audio, intro, outro, headers } = response;

  if (!sources || sources.length === 0) {
    return null;
  }

  const source = sources.sort(sortByProperty(qualityPriority, "quality"))[0]
    ?.url;
  subtitles?.sort(sortByProperty(subtitlesPriority, "lang"));
  audio?.sort(sortByProperty(audioPriority, "lang"));

  return {
    source,
    audio,
    subtitles,
    intro: convertSkipTime(intro),
    outro: convertSkipTime(outro),
    headers: Object.keys(headers ?? {}).length > 0 ? headers : undefined,
  };
}

interface AnifySourcesResponse {
  sources: VideoSource[];
  subtitles: LanguageSource[];
  audio: LanguageSource[];
  intro: SkipTime;
  outro: SkipTime;
  headers?: Record<string, string>;
}

interface VideoSource {
  url: string;
  quality: string;
}

interface LanguageSource {
  url: string;
  lang: string;
}