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

const exportRoot = path.resolve('out');

test('the production build exports a usable home page', async () => {
  const indexPath = path.join(exportRoot, 'index.html');
  const html = await readFile(indexPath, 'utf8');

  assert.match(html, /<!DOCTYPE html>/i);
  assert.match(html, /<html[^>]*lang=/i);

  const assetPaths = [
    ...html.matchAll(/(?:src|href)="(\/_next\/static\/[^"?#]+)/g),
  ].map((match) => match[1]);

  assert.ok(assetPaths.length > 0, 'expected the home page to reference built assets');

  await Promise.all(
    [...new Set(assetPaths)].map((assetPath) =>
      access(path.join(exportRoot, assetPath.replace(/^\//, ''))),
    ),
  );
});

test('the production build exports reciprocal English and Persian pages', async () => {
  const englishHtml = await readFile(path.join(exportRoot, 'index.html'), 'utf8');
  const persianHtml = await readFile(path.join(exportRoot, 'fa.html'), 'utf8');

  assert.match(englishHtml, /<html[^>]*lang="en"[^>]*dir="ltr"/i);
  assert.match(englishHtml, /href="\/fa"[^>]*hreflang="fa"/i);
  assert.match(englishHtml, />Software Engineer</);
  assert.match(englishHtml, />Quera</);
  assert.doesNotMatch(englishHtml, />مهندس نرم‌افزار</);
  assert.doesNotMatch(englishHtml, />کوئرا</);

  assert.match(persianHtml, /<html[^>]*lang="fa"[^>]*dir="rtl"/i);
  assert.match(persianHtml, /href="\/"[^>]*hreflang="en"/i);
  assert.match(persianHtml, /سلام، من امیرحسین خلیلی هستم/);
  assert.match(persianHtml, /از پیکسل تا محصول/);
  assert.match(persianHtml, /بهمن ۱۴۰۴ تا امروز/);
  assert.match(persianHtml, /آبان ۱۴۰۳ تا امروز/);
});

test('Persian source copy uses standard characters and punctuation', async () => {
  const localizedFiles = [
    'src/i18n/content.ts',
    'src/data/projects.ts',
    'src/data/experience.ts',
    'src/data/education.ts',
    'src/data/milestones.ts',
  ];
  const source = (
    await Promise.all(localizedFiles.map((file) => readFile(file, 'utf8')))
  ).join('\n');

  assert.doesNotMatch(source, /[يك]/, 'use Persian ی and ک instead of Arabic forms');
  assert.doesNotMatch(source, /[—–]/, 'use Persian punctuation instead of em/en dashes');
});