import assert from 'node:assert/strict';
import fs from 'node:fs/promises';
import path from 'node:path';
import test from 'node:test';

const root = path.resolve(import.meta.dirname, '..');

async function read(relativePath) {
  return fs.readFile(path.join(root, relativePath), 'utf8');
}

test('start screen uses the presentation-style hero and one action slot', async () => {
  const html = await read('public/index.html');

  assert.match(html, /class="bootstrap-brand"/);
  assert.match(html, /class="bootstrap-hero"/);
  assert.match(html, /class="bootstrap-features"/);
  assert.match(html, /id="bootstrap-action-status"/);
  assert.match(html, /id="bootstrap-status-text"/);
  assert.match(html, /id="bootstrap-enter"[^>]*hidden/);
  assert.match(html, />Los geht’s</);
  assert.match(html, /id="bootstrap-steps"[^>]*hidden/);
  assert.match(html, /id="bootstrap-progress"[^>]*hidden/);
});

test('bootstrap status text fades between loading steps and is replaced by the start button', async () => {
  const css = await read('public/css/bootstrap.css');
  const loader = await read('public/js/bootstrap-loader.js');

  const statusTextRule = css.match(/\.bootstrap-status-text\s*\{([\s\S]*?)\}/)?.[1] ?? '';
  const fadingRule = css.match(/\.bootstrap-status-text\.is-fading\s*\{([\s\S]*?)\}/)?.[1] ?? '';

  assert.match(statusTextRule, /transition:\s*opacity/);
  assert.match(fadingRule, /opacity:\s*0/);
  assert.match(loader, /statusText\.classList\.add\('is-fading'\)/);
  assert.match(loader, /statusText\.classList\.remove\('is-fading'\)/);
  assert.match(loader, /storage:\s*'Lokalen Speicher prüfen …'/);
  assert.match(loader, /server:\s*'Server prüfen …'/);
  assert.match(loader, /routes:\s*'Routen laden …'/);
  assert.match(loader, /location:\s*'Standort ermitteln …'/);
  assert.match(loader, /actionStatus\?\.classList\.add\('is-leaving'\)/);
  assert.match(loader, /enter\.classList\.add\('is-visible'\)/);
  assert.match(loader, /const completedSteps = new Set\(\)/);
  assert.doesNotMatch(loader, /dataset\.state/);
  assert.match(loader, /event\.stopPropagation\?\.\(\)/);
});