import { test } from "node:test";
import assert from "node:assert/strict";
import { extractUrls, hostOf, classifyUnverifiable } from "../check-links.mjs";

test("check_links_extracts_markdown_and_bare_urls", () => {
  const md =
    "See [Rule](https://babaiswiki.fandom.com/wiki/Rule). Also https://example.com/a, and " +
    "(https://en.wikipedia.org/wiki/Foo_(bar)) and `https://x.org/y`.";
  assert.deepEqual(extractUrls(md), [
    "https://babaiswiki.fandom.com/wiki/Rule",
    "https://example.com/a",
    "https://en.wikipedia.org/wiki/Foo_(bar)",
    "https://x.org/y",
  ]);
});

test("check_links_reports_malformed_urls_instead_of_throwing", () => {
  // `new URL()` throws on these; the checker must still finish and exit 0.
  assert.equal(hostOf("http://[bad"), null);
  assert.equal(classifyUnverifiable("http://[bad"), "invalid URL");
  assert.equal(classifyUnverifiable("https://www.reddit.com/r/x").startsWith("unverifiable"), true);
  assert.equal(classifyUnverifiable("https://example.com/a"), null);
});