const userId = "USER_ID";

const queryUrl = "https://www.instagram.com/graphql/query/";
const [followers, following] = [
  "37479f2b8209594dde7facb0d904896a",
  "58712303d941c6855d4e888c5f0cd22f",
];

const fetchOptions = {
  headers: {
    cookie: 'INSTAGRAM_COOKIE"',
  },
};

const fetchFollowersOrFollowing = async (fetchFollowing = false) => {
  const resultKey = fetchFollowing ? "edge_follow" : "edge_followed_by";

  const options = {
    id: userId,
    after: "",
    first: 50,
  };

  const requestUrl = `${queryUrl}?${new URLSearchParams({
    query_hash: fetchFollowing ? following : followers,
    variables: JSON.stringify(options),
  }).toString()}`;

  const json = await fetch(requestUrl, {
    ...fetchOptions,
  }).then((res) => res.json());

  let pageInfo = json.data.user[resultKey].page_info;
  const results = [...json.data.user[resultKey].edges];

  console.log(
    `${fetchFollowing ? "Takip edilenler" : "Takipçiler"} yükleniyor... (${results.length}/${json.data.user[resultKey].count})`,
  );

  while (pageInfo.has_next_page) {
    options.after = pageInfo.end_cursor;

    const requestUrl = `${queryUrl}?${new URLSearchParams({
      query_hash: fetchFollowing ? following : followers,
      variables: JSON.stringify(options),
    }).toString()}`;

    const json = await fetch(requestUrl, { ...fetchOptions }).then((res) =>
      res.json(),
    );

    pageInfo = json.data.user[resultKey].page_info;
    results.push(...json.data.user[resultKey].edges);

    console.log(
      `${fetchFollowing ? "Takip edilenler" : "Takipçiler"} yükleniyor... (${results.length}/${json.data.user[resultKey].count})`,
    );

    await new Promise((resolve) => setTimeout(resolve, 1000));
  }

  const followersList = results.map((item) => ({
    id: item.node.id,
    fullname: item.node.full_name,
    username: item.node.username,
    image: item.node.profile_pic_url,
  }));

  return followersList;
};

const prepareData = async () => {
  try {
    const followers = await fetchFollowersOrFollowing();
    const follows = await fetchFollowersOrFollowing(true);

    const now = new Date();

    console.log({
      createdAt: now.toISOString(),
      data: {
        followers: {
          total: followers.length,
          users: followers,
        },
        follows: {
          total: follows.length,
          users: follows,
        },
      },
    });
  } catch (err) {
    console.error(err);
  }
};

prepareData();