const assert = require('assert')

const a01Url = 'http://localhost:5173/#/pages/auth/a01-entry'
const a05Url = 'http://localhost:5173/#/pages/auth/a05-reset-password'
const sleep = (milliseconds) => new Promise((resolve) => setTimeout(resolve, milliseconds))

const connect = async () => {
  const port = process.env.CHROME_DEBUGGING_PORT || '9222'
  const pages = await (await fetch(`http://127.0.0.1:${port}/json/list`)).json()
  const page = pages.find((item) => item.type === 'page' && item.url.startsWith('http://localhost:5173'))
  if (!page) throw new Error('Chrome debugging has no 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()
  const exceptions = []
  socket.addEventListener('message', (event) => {
    const message = JSON.parse(event.data)
    if (message.method === 'Runtime.exceptionThrown') exceptions.push(message.params.exceptionDetails.text)
    const request = pending.get(message.id)
    if (!request) return
    pending.delete(message.id)
    if (message.error) request.reject(new Error(message.error.message))
    else 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, exceptions }
}

const valueOf = async (send, expression) => {
  const result = await send('Runtime.evaluate', { expression, returnByValue: true })
  if (result.exceptionDetails) throw new Error(result.exceptionDetails.exception?.description || result.exceptionDetails.text)
  return result.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)
}

const navigate = async (send, url, selector) => {
  const targetUrl = url.replace('/#/', `/?runtime=${Date.now()}#/`)
  await send('Page.navigate', { url: targetUrl })
  await waitFor(send, `location.href.includes(${JSON.stringify(new URL(url).hash.slice(1))})`, `Page did not navigate to ${url}`)
  await waitFor(send, `Boolean(document.querySelector(${JSON.stringify(selector)}))`, `Page did not render ${selector}`)
}

const setInputs = (values) => `(() => {
  const inputs = document.querySelectorAll('.auth-input input')
  ;${JSON.stringify(values)}.forEach((value, index) => {
    inputs[index].value = value
    inputs[index].dispatchEvent(new Event('input', { bubbles: true }))
  })
})()`

const run = async () => {
  const { socket, send, exceptions } = await connect()
  try {
    await send('Page.enable')
    await send('Runtime.enable')

    await navigate(send, a01Url, '.forgot-password')
    await valueOf(send, "document.querySelector('.forgot-password').click()")
    await waitFor(send, "location.href.includes('/pages/auth/a05-reset-password')", 'A01 forgot-password entry did not open A05')

    for (const size of [{ width: 320, height: 568 }, { width: 360, height: 800 }, { width: 412, height: 915 }]) {
      await send('Emulation.setDeviceMetricsOverride', { ...size, deviceScaleFactor: 1, mobile: true })
      await navigate(send, a05Url, '.reset-submit')
      const metrics = await valueOf(send, `({
        width: document.documentElement.scrollWidth,
        pageClientHeight: document.querySelector('.auth-page').clientHeight,
        pageScrollHeight: document.querySelector('.auth-page').scrollHeight
      })`)
      assert(metrics.width <= size.width + 1, `A05 has horizontal overflow at ${size.width}x${size.height}`)
      if (size.width === 320) assert(metrics.pageScrollHeight > metrics.pageClientHeight, 'A05 must scroll naturally at 320x568')
    }

    await valueOf(send, "document.querySelector('.get-code').click()")
    await waitFor(send, "Boolean(document.querySelector('.field-error'))", 'A05 invalid phone did not show inline error')
    await valueOf(send, setInputs(['13800138000', '', '', '']))
    await valueOf(send, "document.querySelector('.get-code').click()")
    await waitFor(send, "Boolean(document.querySelector('.verification-layer'))", 'A05 code request did not open custom verification')
    await valueOf(send, "document.querySelector('.verification-action').click()")
    await waitFor(send, "!document.querySelector('.verification-layer')", 'A05 verification did not close')
    assert.strictEqual(await valueOf(send, "document.querySelector('.auth-input input').value"), '13800138000', 'A05 verification close cleared the form')

    await valueOf(send, "document.querySelector('.get-code').click()")
    await waitFor(send, "Boolean(document.querySelector('.verification-layer'))", 'A05 verification did not reopen')
    await valueOf(send, "document.querySelector('.verification-action--primary').click()")
    await waitFor(send, "Boolean(document.querySelector('.feedback-toast'))", 'A05 verified code request did not use custom feedback')
    assert.strictEqual(await valueOf(send, "document.querySelector('.get-code').textContent"), '重新获取', 'A05 code action did not enter requested state')

    await valueOf(send, "document.querySelector('.reset-submit').click()")
    await waitFor(send, "document.querySelectorAll('.field-error').length === 3", 'A05 incomplete submit did not show three remaining field errors')
    await valueOf(send, setInputs(['13800138000', '123456', 'new-password', 'different-password']))
    await sleep(100)
    await valueOf(send, "document.querySelector('.reset-submit').click()")
    await sleep(100)
    const mismatchState = await valueOf(send, `({
      values: Array.from(document.querySelectorAll('.auth-input input')).map((item) => item.value),
      errors: Array.from(document.querySelectorAll('.field-error')).map((item) => item.textContent),
      success: Boolean(document.querySelector('.success-layer'))
    })`)
    assert(mismatchState.errors.some((message) => message.includes('不一致')), `A05 mismatched passwords did not show inline error: ${JSON.stringify(mismatchState)}`)

    await valueOf(send, setInputs(['13800138000', '123456', 'new-password', 'new-password']))
    await sleep(100)
    await valueOf(send, "document.querySelector('.reset-submit').click()")
    await waitFor(send, "Boolean(document.querySelector('.success-layer'))", 'A05 valid submit did not show custom success result')
    await valueOf(send, "document.querySelector('.success-action').click()")
    await waitFor(send, "Boolean(document.querySelector('.login-tab')) && (location.hash === '#/' || location.href.includes('/pages/auth/a01-entry'))", 'A05 success action did not return to A01')
    assert.deepStrictEqual(exceptions, [], `A05 raised browser exceptions: ${exceptions.join('; ')}`)

    process.stdout.write('A05-RESET-PASSWORD-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)
})