const formatter = Intl.NumberFormat("en-US", {
  notation: "compact",
});

const defaultStarCount = 17000;
let starCount: number | undefined = undefined;

export async function countStars(repo = "kamranahmedse/driver.js"): Promise<number> {
  if (starCount) {
    return starCount;
  }

  try {
    const repoData = await fetch(`https://api.github.com/repos/${repo}`);
    const json = await repoData.json();

    starCount = json.stargazers_count * 1 || defaultStarCount;
  } catch (e) {
    console.log("Failed to fetch stars", e);
    starCount = defaultStarCount;
  }

  return starCount;
}

export async function getFormattedStars(repo = "kamranahmedse/driver.js"): Promise<string> {
  const stars = import.meta.env.DEV ? defaultStarCount : await countStars(repo);

  return formatter.format(stars);
}