import { chromium } from 'playwright'

const browser = await chromium.launch()
const page = await browser.newPage({ viewport: { width: 1440, height: 1000 } })
const results = {}

await page.goto('http://localhost:4173/', { waitUntil: 'networkidle' })
await page.evaluate(() => document.fonts.ready)

// -- Work carousel: Next switching --
const count0 = await page.textContent('.work-count')
const head0 = await page.textContent('.work-headline')
await page.click('.next-button')
// mid-transition: copy should be fading out
const midClass = await page.getAttribute('.work-copy', 'class')
await page.waitForTimeout(500)
const count1 = await page.textContent('.work-count')
const head1 = await page.textContent('.work-headline')
// wraps around after reaching 6 of 6
for (let i = 0; i < 5; i++) {
  await page.click('.next-button')
  await page.waitForTimeout(400)
}
const countWrapped = await page.textContent('.work-count')
results.carousel = {
  initialCount: count0.trim(),
  transitionClassSeen: midClass.includes('is-leaving'),
  afterNextCount: count1.trim(),
  headlineChanged: head0 !== head1,
  wrappedCount: countWrapped.trim(),
  pass:
    count0.trim() === '3 of 6' &&
    count1.trim() === '4 of 6' &&
    head0 !== head1 &&
    midClass.includes('is-leaving') &&
    countWrapped.trim() === '3 of 6',
}

// -- Newsletter form: invalid then valid --
await page.fill('#newsletter-email', 'not-an-email')
await page.click('.newsletter .pill-button-small')
const errText = (await page.textContent('.form-note')).trim()
const errClass = await page.getAttribute('.newsletter .field', 'class')
await page.fill('#newsletter-email', 'hello@example.com')
await page.click('.newsletter .pill-button-small')
const okText = (await page.textContent('.form-note')).trim()
const clearedValue = await page.inputValue('#newsletter-email')
results.newsletter = {
  errorMessage: errText,
  errorFieldFlagged: errClass.includes('has-error'),
  successMessage: okText,
  inputClearedOnSuccess: clearedValue === '',
  pass:
    errText.includes('valid email') &&
    errClass.includes('has-error') &&
    okText.includes('on the list') &&
    clearedValue === '',
}

// -- Responsive smoke test --
await page.setViewportSize({ width: 390, height: 844 })
await page.waitForTimeout(300)
results.responsive = {
  noHorizontalOverflow: await page.evaluate(
    () => document.documentElement.scrollWidth <= 391,
  ),
  heroHeadlineFontSize: await page.evaluate(() =>
    getComputedStyle(document.querySelector('.hero-headline')).fontSize,
  ),
}
results.responsive.pass =
  results.responsive.noHorizontalOverflow &&
  results.responsive.heroHeadlineFontSize === '40px'

console.log(JSON.stringify(results, null, 2))
await browser.close()