const sleep = (milliseconds) => new Promise((resolve) => setTimeout(resolve, milliseconds))
const origin = process.argv[2] || 'http://localhost:5173'

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} application 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 < 40; attempt += 1) {
    if (await valueOf(send, expression)) return
    await sleep(100)
  }
  throw new Error(message)
}
let auditId = 0
const open = async (send, route, query, selector) => {
  auditId += 1
  const url = `${origin}/?g0810Audit=${auditId}#${route}${query}`
  await send('Page.navigate', { url })
  await waitFor(send, `location.href === ${JSON.stringify(url)}`, `${route} navigation failed`)
  await waitFor(send, `Boolean(document.querySelector(${JSON.stringify(selector)}))`, `${route}${query} did not render`)
}

const run = async () => {
  const { socket, send } = await connect()
  try {
    await send('Page.enable')
    await send('Runtime.enable')
    await open(send, '/pages/genealogy/g08-join-application', '?genealogyId=1002', '.join-state--form')
    await waitFor(send, "document.querySelectorAll('.join-field input').length >= 2", 'G08 real input controls did not render')
    const prepared = await valueOf(send, `(() => {
      const inputs = Array.from(document.querySelectorAll('.join-field input'))
      if (inputs.length < 2) return false
      inputs[0].value = '汤明远'
      inputs[0].dispatchEvent(new Event('input', { bubbles: true }))
      inputs[1].value = '汤正华堂侄'
      inputs[1].dispatchEvent(new Event('input', { bubbles: true }))
      document.querySelector('.join-action')?.click()
      return true
    })()`)
    if (!prepared) throw new Error('G08 form controls could not be prepared')
    await waitFor(send, "Boolean(document.querySelector('.join-state--success'))", 'G08 real form submission did not reach the same-page success state')
    await open(send, '/pages/genealogy/g09-my-applications', '', '.application-state--list')
    await open(send, '/pages/genealogy/g09-my-applications', '?state=empty', '.application-state--empty')
    await open(send, '/pages/genealogy/g10-application-review', '?genealogyId=1001', '.review-state--list')
    await open(send, '/pages/genealogy/g10-application-review', '?state=empty&genealogyId=1001', '.review-state--empty')
    process.stdout.write('G08-G10-APPLICATION-FLOW-RUNTIME-SMOKE PASS\n')
  } finally {
    socket.close()
  }
}

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