const assert = require('assert')

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

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} project 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

  const navigate = async (route, selector) => {
    auditId += 1
    const url = `${origin}/?f09RuntimeAudit=${auditId}#${route}`
    await send('Page.navigate', { url })
    await waitFor(send, `location.href === ${JSON.stringify(url)}`, `F09 navigation failed: ${route}`)
    await waitFor(send, `Boolean(document.querySelector(${JSON.stringify(selector)}))`, `F09 state missing: ${selector}`)
  }

  try {
    await send('Page.enable')
    await send('Runtime.enable')

    await navigate('/pages/family/f09-media-upload', '.media-upload-state--initial')
    assert.strictEqual(await valueOf(send, "document.querySelectorAll('.media-photo-tile').length"), 0)

    await send('Runtime.evaluate', { expression: "document.querySelector('.media-primary-action')?.click()" })
    await waitFor(send, "Boolean(document.querySelector('.media-upload-state--selected'))", 'F09 did not enter selected state')
    assert.strictEqual(await valueOf(send, "document.querySelectorAll('.media-photo-tile').length"), 4)

    await send('Runtime.evaluate', { expression: "document.querySelectorAll('.media-photo-tile')[1]?.click()" })
    await waitFor(send, "document.querySelectorAll('.media-photo-tile')[1]?.classList.contains('media-photo-tile--active') === true", 'F09 did not switch current photo')
    await waitFor(send, "document.querySelector('.media-photo-editor__position')?.textContent.includes('第 2 张 / 共 4 张') === true", 'F09 editor did not identify the second photo')
    await waitFor(send, "document.querySelector('.media-photo-editor__thumb img')?.currentSrc.includes('f08-family-portrait.png') === true", 'F09 editor thumbnail did not follow the active photo')

    await send('Runtime.evaluate', { expression: `(() => {
      const textarea = document.querySelector('.media-photo-field textarea')
      textarea.value = '院前合影'
      textarea.dispatchEvent(new Event('input', { bubbles: true }))
      document.querySelectorAll('.media-photo-tile')[0]?.click()
      document.querySelectorAll('.media-photo-tile')[1]?.click()
    })()` })
    await waitFor(send, "document.querySelector('.media-photo-field textarea')?.value === '院前合影'", 'F09 per-photo note did not remain bound after switching photos')

    await send('Runtime.evaluate', { expression: "document.querySelectorAll('.media-photo-remove')[1]?.click()" })
    await waitFor(send, "document.querySelectorAll('.media-photo-tile').length === 3", 'F09 did not remove one photo')

    await send('Runtime.evaluate', { expression: "document.querySelector('.media-primary-action')?.click()" })
    await waitFor(send, "Boolean(document.querySelector('.media-field-error'))", 'F09 batch description validation did not render')

    await send('Runtime.evaluate', { expression: `(() => {
      const textarea = document.querySelector('.media-batch-field textarea')
      textarea.value = '春节团圆照片整理'
      textarea.dispatchEvent(new Event('input', { bubbles: true }))
      document.querySelector('.media-primary-action')?.click()
    })()` })
    await waitFor(send, "Boolean(document.querySelector('.media-upload-state--uploading'))", 'F09 did not enter uploading state')

    await navigate('/pages/family/f09-media-upload?state=permission', '.media-upload-state--permission')
    await send('Runtime.evaluate', { expression: "document.querySelector('.media-permission-action')?.click()" })
    await waitFor(send, "Boolean(document.querySelector('.media-upload-state--selected'))", 'F09 permission action did not return to selected state')

    await navigate('/pages/family/f09-media-upload?state=error', '.media-upload-state--error')
    assert.strictEqual(await valueOf(send, "document.querySelectorAll('.media-photo-status--error').length"), 2)
    await send('Runtime.evaluate', { expression: "document.querySelector('.media-retry-action')?.click()" })
    await waitFor(send, "Boolean(document.querySelector('.media-upload-state--uploading'))", 'F09 retry did not enter uploading state')

    await navigate('/pages/family/f09-media-upload?state=success', '.media-upload-state--success')
    await waitFor(send, "document.querySelector('.media-success-title')?.textContent.includes('4 张照片已上传') === true", 'F09 success copy missing')

    process.stdout.write('F09-MEDIA-UPLOAD-RUNTIME-SMOKE PASS\n')
  } finally {
    socket.close()
  }
}

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