const test = require("node:test");
const assert = require("node:assert/strict");
const fs = require("node:fs/promises");
const os = require("node:os");
const path = require("node:path");
const { findLatestBundle, resolveBundlePath } = require("../lib/bundles");

/**
 * Crée un bundle Hugo minimal pour les tests.
 * @param {string} rootDir Racine temporaire.
 * @param {string} relativePath Chemin relatif du bundle.
 * @returns {Promise<string>} Chemin absolu du bundle créé.
 */
async function createBundle(rootDir, relativePath) {
  const bundleDir = path.join(rootDir, relativePath);
  await fs.mkdir(bundleDir, { recursive: true });
  await fs.writeFile(path.join(bundleDir, "index.md"), "---\ntitle: Test\ndate: 2026-03-20T12:00:00+01:00\n---\n", "utf8");
  return bundleDir;
}

test("resolveBundlePath accepte un dossier de bundle ou un index.md", () => {
  const bundleDir = path.resolve("content/example/bundle");
  const indexPath = path.join(bundleDir, "index.md");

  assert.equal(resolveBundlePath(bundleDir), bundleDir);
  assert.equal(resolveBundlePath(indexPath), bundleDir);
});

test("findLatestBundle retourne le bundle modifie le plus recemment", async () => {
  const tempRoot = await fs.mkdtemp(path.join(os.tmpdir(), "bundles-test-"));
  const olderBundle = await createBundle(tempRoot, "alpha/article-a");
  const newerBundle = await createBundle(tempRoot, "beta/article-b");

  await fs.utimes(olderBundle, new Date("2026-03-20T10:00:00Z"), new Date("2026-03-20T10:00:00Z"));
  await fs.utimes(newerBundle, new Date("2026-03-20T11:00:00Z"), new Date("2026-03-20T11:00:00Z"));

  const latestBundle = await findLatestBundle(tempRoot);

  assert.equal(latestBundle, newerBundle);

  await fs.rm(tempRoot, { recursive: true, force: true });
});