const assert = require('assert')
const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms))
const origin = process.argv[2] || 'http://localhost:5173'
const sizes = [
  { width: 320, height: 568 },
  { width: 360, height: 640 },
  { width: 360, height: 800 },
  { width: 412, height: 915 }
]
const routes = [
  ['/pages/family/f01-family-feed', '.family-page'],
  ['/pages/family/f02-publish-feed', '.publish-page'],
  ['/pages/family/f04-article-list', '.article-list-page'],
  ['/pages/family/f06-article-editor', '.article-editor-page'],
  ['/pages/family/f08-album-detail', '.album-detail-page'],
  ['/pages/family/f09-media-upload?state=selected', '.media-upload-page'],
  ['/pages/family/f03-feed-detail', '.feed-detail-page'],
  ['/pages/records/r08-growth-journal', '.timeline-page'],
  ['/pages/profile/m03-security-settings', '.security-page'],
  ['/pages/family/f10-video-list', '.video-status-page'],
  ['/pages/records/r02-person-detail?personId=1', '.person-detail-page'],
  ['/pages/notification/n01-message-center', '.notice-page'],
  ['/pages/profile/m01-profile-home', '.profile-page']
]

const connect = async () => {
  const pages = await (await fetch('http://127.0.0.1:9222/json/list')).json()
  const page = pages.find((item) => item.type === 'page' && item.url.startsWith(`${origin}/`))
  if (!page) throw new Error(`Chrome debugging has no ${origin} page`)
  const socket = new WebSocket(page.webSocketDebuggerUrl)
  await new Promise((resolve, reject) => {
    socket.addEventListener('open', resolve, { once: true })
    socket.addEventListener('error', reject, { once: true })
  })
  let id = 0
  const pending = new Map()
  socket.addEventListener('message', (event) => {
    const message = JSON.parse(event.data)
    const request = pending.get(message.id)
    if (!request) return
    pending.delete(message.id)
    message.error ? request.reject(new Error(message.error.message)) : request.resolve(message.result)
  })
  const send = (method, params = {}) => new Promise((resolve, reject) => {
    id += 1
    pending.set(id, { resolve, reject })
    socket.send(JSON.stringify({ id, method, params }))
  })
  return { socket, send }
}

const valueOf = async (send, expression) => (await send('Runtime.evaluate', { expression, returnByValue: true })).result?.value
const waitFor = async (send, expression, message) => {
  for (let attempt = 0; attempt < 50; attempt += 1) {
    if (await valueOf(send, expression)) return
    await sleep(80)
  }
  throw new Error(message)
}

const run = async () => {
  const { socket, send } = await connect()
  let auditId = 0
  try {
    await send('Page.enable')
    await send('Runtime.enable')
    for (const size of sizes) {
      await send('Emulation.setDeviceMetricsOverride', { ...size, deviceScaleFactor: 1, mobile: true, screenWidth: size.width, screenHeight: size.height })
      for (const [route, selector] of routes) {
        auditId += 1
        const url = `${origin}/?responsiveAudit=${auditId}#${route}`
        await send('Page.navigate', { url })
        await waitFor(send, `location.href === ${JSON.stringify(url)}`, `Navigation failed: ${route} at ${size.width}x${size.height}`)
        await waitFor(send, `Boolean(document.querySelector(${JSON.stringify(selector)}))`, `State missing: ${route} at ${size.width}x${size.height}`)
        const metrics = await valueOf(send, `(() => {
          const root = document.querySelector(${JSON.stringify(selector)})
          const rect = root.getBoundingClientRect()
          const visible = Array.from(document.querySelectorAll('.app-button,.list-card,.detail-card,.form-row,.editor-control,.album-photo-tile,.album-upload-action,.media-photo-tile,.media-add-tile,.media-batch-field,.media-photo-field,.media-primary-action,.video-return-action,.person-identity-card,.person-archive-card,.person-field,.person-long-field,.person-edit-actions,.settings-row,.notice-card,.profile-menu'))
            .filter((node) => node.getClientRects().length)
            .map((node) => node.getBoundingClientRect())
          return {
            documentWidth: document.documentElement.scrollWidth,
            rootLeft: rect.left,
            rootRight: rect.right,
            childOverflow: visible.some((item) => item.left < -1 || item.right > innerWidth + 1)
          }
        })()`)
        assert(metrics.documentWidth <= size.width + 1, `${route} has horizontal document overflow at ${size.width}x${size.height}`)
        assert(metrics.rootLeft >= -1 && metrics.rootRight <= size.width + 1, `${route} root exceeds viewport at ${size.width}x${size.height}`)
        assert.strictEqual(metrics.childOverflow, false, `${route} has a visible control outside the viewport at ${size.width}x${size.height}`)
      }
    }
    process.stdout.write('MODULE-SERIES-RESPONSIVE-RUNTIME-SMOKE PASS\n')
  } finally {
    try { await send('Emulation.clearDeviceMetricsOverride') } catch (_) {}
    socket.close()
  }
}

run().catch((error) => {
  process.stderr.write(`${error.stack || error.message}\n`)
  process.exit(1)
})