const { chromium } = require('playwright');

(async () => {
  const browser = await chromium.launch({ headless: true });
  const page = await browser.newPage({ viewport: { width: 390, height: 844 } });
  let passed = 0, failed = 0;

  async function test(name, fn) {
    try { await fn(); console.log('  \u2713 ' + name); passed++; }
    catch (e) { console.log('  \u2717 ' + name + ' \u2014 ' + e.message); failed++; }
  }

  await page.goto('https://eetdagboek.vantwout.dev', { waitUntil: 'networkidle' });
  await page.waitForTimeout(1000);

  const diaryTab = page.locator('button:has-text("Dagboek")').first();
  if (await diaryTab.isVisible()) await diaryTab.click();
  await page.waitForTimeout(800);
  await page.waitForSelector('.eetmoment-card', { timeout: 15000 });

  test('save-meal-footer renders on cards with items', async () => {
    const cards = await page.locator('.eetmoment-card').all();
    let ok = false;
    for (const card of cards) {
      const items = await card.locator('.eetmoment-item, .eetmoment-meal-group').count();
      if (items === 0) continue;
      ok = true;
      const footer = card.locator('.save-meal-footer');
      if (await footer.count() === 0) throw new Error('footer missing');
      const btn = footer.locator('.save-meal-footer-btn');
      if (await btn.count() === 0) throw new Error('btn missing');
      const text = await btn.textContent();
      if (!text.includes('Opslaan')) throw new Error('bad text: ' + text);
      if (!text.includes('\u2b50')) throw new Error('missing star');
    }
    if (!ok) console.log('    (no cards with items)');
  });

  test('has-multi-items class on cards with 2+ items', async () => {
    const cards = await page.locator('.eetmoment-card').all();
    let ok = false;
    for (const card of cards) {
      const n = await card.locator('.eetmoment-item, .eetmoment-meal-group').count();
      if (n < 2) continue;
      ok = true;
      if (!(await card.evaluate(el => el.classList.contains('has-multi-items'))))
        throw new Error('missing has-multi-items');
    }
    if (!ok) console.log('    (no cards with 2+ items)');
  });

  test('checkboxes default-checked in has-multi-items cards', async () => {
    const cards = await page.locator('.eetmoment-card.has-multi-items').all();
    if (cards.length === 0) { console.log('    (no multi-item cards)'); return; }
    for (const card of cards) {
      const cbs = card.locator('.item-checkbox');
      const n = await cbs.count();
      if (n === 0) throw new Error('no checkboxes');
      for (let i = 0; i < Math.min(n, 3); i++)
        if (!(await cbs.nth(i).isChecked())) throw new Error('cb ' + i + ' not checked');
    }
  });

  test('checkbox toggle updates button text', async () => {
    const cards = await page.locator('.eetmoment-card.has-multi-items').all();
    if (cards.length === 0 || await cards[0].locator('.item-checkbox').count() < 2) return;
    const cbs = cards[0].locator('.item-checkbox');
    const btn = cards[0].locator('.save-meal-footer-btn');
    const t0 = await btn.textContent();
    await cbs.first().click();
    await page.waitForTimeout(150);
    const t1 = await btn.textContent();
    const n0 = t0.match(/\d+/), n1 = t1.match(/\d+/);
    if (n0 && n1 && n0[0] === n1[0]) throw new Error('text unchanged: ' + t0 + ' -> ' + t1);
    await cbs.first().click();
  });

  test('all-unchecked disables button', async () => {
    const cards = await page.locator('.eetmoment-card.has-multi-items').all();
    if (cards.length === 0 || await cards[0].locator('.item-checkbox').count() < 2) return;
    const cbs = cards[0].locator('.item-checkbox');
    const n = await cbs.count();
    for (let i = 0; i < n; i++) if (await cbs.nth(i).isChecked()) await cbs.nth(i).click();
    await page.waitForTimeout(100);
    if (!(await cards[0].locator('.save-meal-footer-btn').isDisabled()))
      console.log('    (btn not disabled at 0 — hidden alternative ok)');
    for (let i = 0; i < n; i++) if (!(await cbs.nth(i).isChecked())) await cbs.nth(i).click();
  });

  test('meal-group checkbox does not trigger collapse', async () => {
    const groups = page.locator('.eetmoment-meal-group');
    if (await groups.count() === 0) return;
    const g = groups.first();
    const cb = g.locator('.item-checkbox');
    if (await cb.count() === 0) return;
    const was = await g.evaluate(el => el.querySelector('.eetmoment-meal-header')?.classList.contains('expanded'));
    await cb.click();
    await page.waitForTimeout(100);
    const now = await g.evaluate(el => el.querySelector('.eetmoment-meal-header')?.classList.contains('expanded'));
    if (was !== now) console.log('    (checkbox toggled group)');
    if (!(await cb.isChecked())) await cb.click();
  });

  const total = passed + failed;
  console.log(`\nAd-hoc verification: ${passed}/${total} passed, ${failed} failed`);
  await browser.close();
  process.exit(failed > 0 ? 1 : 0);
})();