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

const docsRoot = 'src/content/docs/useful-information';

test('Laptop Buying Advice publishes the newer hardware baseline without a dated warning', async () => {
  const content = await readFile(`${docsRoot}/laptop-buying-advice.md`, 'utf8');

  assert.match(content, /16 GB/);
  assert.match(content, /512 GB/);
  assert.match(content, /Core i5-class or equivalent/i);
  assert.match(content, /M-series Mac/i);
  assert.match(content, /Nvidia[\s\S]*CUDA/i);
  assert.doesNotMatch(content, /:::caution\[Historical information\]/);
});

const recoveredGuides = [
  {
    slug: 'housing-guide',
    title: 'Housing Guide',
    source: 'https://wiki.msvincognito.nl/useful-guides/housing-guide',
  },
  {
    slug: 'linux-tricks',
    title: 'Linux Tricks',
    source: 'https://wiki.msvincognito.nl/useful-guides/linux-tricks',
  },
  {
    slug: 'surviving-dacs',
    title: 'Surviving DACS',
    source: 'https://wiki.msvincognito.nl/useful-guides/survivingdacs',
  },
];

test('the three recovered guides are publishable native Markdown', async () => {
  for (const { slug, title } of recoveredGuides) {
    const content = await readFile(`${docsRoot}/${slug}.md`, 'utf8');
    assert.match(content, new RegExp(`^---\\n[\\s\\S]*title: ${title}`));
    assert.doesNotMatch(content, /^#\s+/m);
    assert.doesNotMatch(content, /:::caution\[Historical information\]/);
    assert.doesNotMatch(content, /\[\[|\{\{|NEWPAGE>|indexmenu>|~~NOCACHE~~/);
  }
});

test('the recovered guide registry records source provenance', async () => {
  const supplemental = JSON.parse(await readFile('docs/supplemental-content.json', 'utf8'));
  for (const { slug, source } of recoveredGuides) {
    assert.deepEqual(
      supplemental.find(({ destination }) => destination === `${docsRoot}/${slug}.md`),
      {
        destination: `${docsRoot}/${slug}.md`,
        source,
        category: 'useful-guide-recovery',
      },
    );
  }
});

test('published guides omit unsafe or legally questionable source recommendations', async () => {
  const linux = await readFile(`${docsRoot}/linux-tricks.md`, 'utf8');
  const survival = await readFile(`${docsRoot}/surviving-dacs.md`, 'utf8');
  assert.doesNotMatch(linux, /password=["']?<password>/i);
  assert.doesNotMatch(survival, /Sci-Hub|Library Genesis|Library\.nu/i);
});

test('Useful Information navigation exposes every practical guide', async () => {
  const landing = await readFile(`${docsRoot}/index.md`, 'utf8');
  const sidebar = await readFile('src/config/sidebar.mjs', 'utf8');
  assert.doesNotMatch(landing, /:::caution\[Historical information\]/);
  for (const slug of ['housing-guide', 'laptop-buying-advice', 'linux-tricks', 'surviving-dacs']) {
    assert.match(landing, new RegExp(`\\]\\(\\./${slug}/\\)`));
    assert.match(sidebar, new RegExp(`slug: 'useful-information/${slug}'`));
  }
});

test('Surviving DACS links to its sibling Housing Guide route', async () => {
  const content = await readFile(`${docsRoot}/surviving-dacs.md`, 'utf8');
  assert.match(content, /\]\(\.\.\/housing-guide\/\)/);
  assert.doesNotMatch(content, /\]\(\.\/housing-guide\/\)/);
});