import assert from 'node:assert/strict';
import { readFile, stat } from 'node:fs/promises';
import test from 'node:test';

test('Data Science & AI owns the former generic bachelor content tree', async () => {
  await assert.rejects(stat('src/content/docs/bachelor'), { code: 'ENOENT' });
  assert.ok((await stat('src/content/docs/data-science-and-ai')).isDirectory());

  for (const file of [
    'docs/migration-manifest.json',
    'docs/migration-report.md',
    'docs/supplemental-content.json',
    'scripts/audit-content.mjs',
    'scripts/lib/migration.mjs',
    'src/content/docs/index.mdx',
  ]) {
    const content = await readFile(file, 'utf8');
    assert.doesNotMatch(content, /src\/content\/docs\/bachelor\//, `${file} has an old destination`);
    assert.doesNotMatch(content, /href="\.\/bachelor\/"/, `${file} has an old public link`);
  }

  const sidebar = await readFile('src/config/sidebar.mjs', 'utf8');
  assert.doesNotMatch(sidebar, /slug: 'bachelor'/);
  assert.match(sidebar, /slug: 'data-science-and-ai'/);
});

test('Computer Science publishes only reviewed substantive branch content', async () => {
  const pages = [
    'src/content/docs/computer-science/index.md',
    'src/content/docs/computer-science/year-1/index.md',
    'src/content/docs/computer-science/year-1/period-1/introduction-to-computer-science.md',
    'src/content/docs/computer-science/year-1/period-4/computer-architecture.md',
    'src/content/docs/computer-science/year-1/period-5/algorithmic-design.md',
    'src/content/docs/computer-science/year-1/period-5/databases.md',
    'src/content/docs/computer-science/year-1/period-5/statistics.md',
  ];
  const content = (await Promise.all(pages.map((page) => readFile(page, 'utf8')))).join('\n');
  assert.doesNotMatch(content, /^#Hello$|Empty Page|course-description/im);
  assert.match(content, /Introduction to Computer Science/);
  assert.ok((await stat('src/content/docs/previous-exams-and-documents.md')).isFile());
});