#!/usr/bin/env bun
/**
 * Fetches top stories from Hacker News API and prints title + URL + score.
 * Usage: bun run scripts/hn_top.ts [limit]
 */

const limit = Number(Bun.argv[2] ?? 10);

interface HNItem {
  id: number;
  title?: string;
  url?: string;
  score?: number;
  by?: string;
  type?: string;
}

const BASE = "https://hacker-news.firebaseio.com/v0";

async function fetchJSON<T>(url: string): Promise<T> {
  const res = await fetch(url);
  if (!res.ok) throw new Error(`HTTP ${res.status} for ${url}`);
  return res.json() as Promise<T>;
}

const ids = await fetchJSON<number[]>(`${BASE}/topstories.json`);
const top = ids.slice(0, limit);

const items = await Promise.all(
  top.map((id) => fetchJSON<HNItem>(`${BASE}/item/${id}.json`)),
);

for (const item of items) {
  if (item.type !== "story" || !item.title) continue;
  const score = item.score ?? 0;
  const url = item.url ?? "(no url)";
  console.log(`[${score}↑] ${item.title}`);
  console.log(`       ${url}`);
  console.log();
}