import { request as httpRequest } from 'node:http';
import { symlink, unlink } from 'node:fs/promises';
import { resolve } from 'node:path';
import { expect, test } from '../helpers/serve-dist';

const sectionIds = [
  'start',
  'profile',
  'experience',
  'infrastructure',
  'selected-builds',
  'additional-work',
  'toolkit',
  'contact',
] as const;

const sectionHeadings = [
  'START',
  'PROFILE',
  'EXPERIENCE',
  'INFRASTRUCTURE',
  'SELECTED BUILDS',
  'ADDITIONAL WORK',
  'TOOLKIT',
  'CONTACT',
] as const;

const rawStatus = async (
  origin: string,
  path: string,
  method = 'GET',
): Promise<number | undefined> =>
  new Promise((resolve, reject) => {
    const url = new URL(origin);
    const request = httpRequest(
      {
        host: url.hostname,
        method,
        path,
        port: url.port,
      },
      (response) => {
        response.resume();
        response.once('end', () => resolve(response.statusCode));
      },
    );
    request.once('error', reject);
    request.end();
  });

test('serves only the owned generated preview surface', async ({
  distUrl,
  request,
}, testInfo) => {
  const document = await request.get(`${distUrl}/`);
  expect(document.status()).toBe(200);
  expect(document.headers()['content-type']).toBe('text/html; charset=utf-8');

  const unsafeMethod = await request.post(`${distUrl}/index.html`);
  expect(unsafeMethod.status()).toBe(405);
  expect(unsafeMethod.headers().allow).toBe('GET, HEAD');
  expect(await rawStatus(distUrl, '/%2e%2e/package.json')).toBe(403);
  expect(
    (await request.get(`${distUrl}/not-a-preview-resource`)).status(),
  ).toBe(404);

  const linkName = `.task-7-escape-${process.pid}-${testInfo.workerIndex}`;
  const linkPath = resolve(process.cwd(), 'dist', linkName);
  await symlink(resolve(process.cwd(), 'package.json'), linkPath);
  try {
    expect((await request.get(`${distUrl}/${linkName}`)).status()).toBe(403);
  } finally {
    await unlink(linkPath);
  }
});

test('exposes the complete semantic portfolio from the generated document', async ({
  page,
  distUrl,
}) => {
  await page.goto(distUrl, { waitUntil: 'domcontentloaded' });

  await expect(page.locator('h1:visible')).toHaveCount(1);
  await expect(page.locator('h1')).toHaveText('Luca Pîslaru');
  await expect(page.locator('.site-header > p').first()).toHaveText(
    'System Administrator & Full-Stack Developer',
  );
  await expect(page.locator('main')).toHaveCount(1);
  await expect(
    page.locator('nav[aria-label="Portfolio sections"]'),
  ).toHaveCount(1);
  await expect(page.locator('footer')).toHaveCount(1);

  expect(
    await page
      .locator('main > section')
      .evaluateAll((sections) => sections.map((section) => section.id)),
  ).toEqual(sectionIds);
  expect(await page.locator('main > section > h2').allTextContents()).toEqual(
    sectionHeadings,
  );
  expect(
    await page.locator('h1, h2, h3').evaluateAll((headings) => {
      const levels = headings.map((heading) =>
        Number(heading.tagName.slice(1)),
      );
      return levels.every(
        (level, index) => index === 0 || level <= levels[index - 1]! + 1,
      );
    }),
  ).toBe(true);
});

test('keeps canonical native anchors and safe external destinations', async ({
  page,
  distUrl,
}) => {
  await page.goto(distUrl, { waitUntil: 'domcontentloaded' });

  const navigation = page.locator('nav[aria-label="Portfolio sections"] a');
  expect(
    await navigation.evaluateAll((links) =>
      links.map((link) => link.getAttribute('href')),
    ),
  ).toEqual(sectionIds.map((id) => `#${id}`));
  for (const id of sectionIds) {
    await expect(page.locator(`#${id}`)).toHaveCount(1);
    await expect(page.locator(`#${id}-heading`)).toHaveCount(1);
  }

  const email = page.locator('a[href^="mailto:"]');
  await expect(email).toHaveCount(1);
  await expect(email).toHaveText('luca.pislaru@gmail.com');

  const externalLinks = page.locator('#contact a[target="_blank"]');
  await expect(externalLinks).toHaveCount(3);
  expect(
    await externalLinks.evaluateAll((links) =>
      links.every((link) => {
        const rel = new Set((link.getAttribute('rel') ?? '').split(/\s+/u));
        return (
          link instanceof HTMLAnchorElement &&
          link.protocol === 'https:' &&
          rel.has('noopener') &&
          rel.has('noreferrer')
        );
      }),
    ),
  ).toBe(true);
});

test('never links private projects or packages a résumé download', async ({
  page,
  distUrl,
}) => {
  await page.goto(distUrl, { waitUntil: 'domcontentloaded' });

  for (const title of [
    'Private self-hosted medication tracker',
    'Private healthcare platform',
    'Private game prototype',
  ]) {
    await expect(
      page.locator('article').filter({ hasText: title }).locator('a'),
    ).toHaveCount(0);
  }
  await expect(page.locator('a[download]')).toHaveCount(0);
  expect(
    await page
      .locator('a')
      .evaluateAll((links) =>
        links.some(
          (link) =>
            /(?:résumé|resume|\bcv\b)/iu.test(link.textContent ?? '') ||
            /\.(?:pdf|docx?)(?:$|[?#])/iu.test(link.getAttribute('href') ?? ''),
        ),
      ),
  ).toBe(false);
});