/**
 * 无头 Chromium 冒烟：mock 三连拍走到报告页，并核对语音清单是否真的被拉取、解码、起播。
 *
 * 依赖：全局 playwright + `npx playwright install chromium`
 * 服务：node h5/server.js（默认 http://127.0.0.1:8080，可用 BASE_URL 覆盖）
 *
 *   node h5/test/e2e-browser.mjs
 */
import { execSync } from 'node:child_process';
import { pathToFileURL } from 'node:url';

const pwRoot = execSync('npm root -g', { encoding: 'utf8' }).trim();
const { chromium } = await import(pathToFileURL(pwRoot + '/playwright/index.mjs').href);

const BASE = process.env.BASE_URL || 'http://127.0.0.1:8080';
const EXPECTED = [
  'step1-front', 'step2-rightface', 'step3-leftface',
  'hint-noface', 'hint-near', 'hint-far', 'hint-front',
  'hint-turn-left', 'hint-turn-right', 'hint-hold',
  'countdown-321', 'shot-done', 'analyzing', 'analyze-fail',
];

const fails = [];
function check(name, ok, detail) {
  const mark = ok ? 'PASS' : 'FAIL';
  console.log(`${mark}  ${name}${detail ? '  ' + detail : ''}`);
  if (!ok) fails.push(name + (detail ? ': ' + detail : ''));
}

const browser = await chromium.launch({
  headless: true,
  args: [
    '--use-fake-ui-for-media-stream',
    '--use-fake-device-for-media-stream',
    '--autoplay-policy=no-user-gesture-required',
  ],
});
const context = await browser.newContext({
  viewport: { width: 375, height: 812 },
  permissions: ['camera'],
});
// 语音解锁后整批预加载，请求顺序不代表播放顺序：按 ArrayBuffer → AudioBuffer 反查条目名，记录真实起播与截断
await context.addInitScript(() => {
  window.__voice = [];
  const abId = new WeakMap(), bufId = new WeakMap();
  const origFetch = window.fetch;
  window.fetch = function (url, opts) {
    const m = String(url).match(/voice\/([a-z0-9-]+)\.mp3/);
    return origFetch.call(this, url, opts).then((res) => {
      if (!m) return res;
      const origAb = res.arrayBuffer.bind(res);
      res.arrayBuffer = () => origAb().then((ab) => { abId.set(ab, m[1]); return ab; });
      return res;
    });
  };
  const Orig = window.AudioContext || window.webkitAudioContext;
  function WrappedAudioContext(...args) {
    const ctx = new Orig(...args);
    const origDecode = ctx.decodeAudioData.bind(ctx);
    ctx.decodeAudioData = function (ab, ok, err) {
      const id = abId.get(ab);
      return origDecode(ab, (buf) => { bufId.set(buf, id); if (ok) ok(buf); }, err);
    };
    const origCreate = ctx.createBufferSource.bind(ctx);
    ctx.createBufferSource = function () {
      const src = origCreate();
      const origStart = src.start.bind(src), origStop = src.stop.bind(src);
      let rec = null;
      src.start = function (...a) {
        rec = { id: bufId.get(src.buffer) || '?', t: Date.now(), dur: Math.round(src.buffer.duration * 1000), cutAt: null };
        window.__voice.push(rec);
        return origStart(...a);
      };
      src.stop = function (...a) {
        if (rec && rec.cutAt == null) rec.cutAt = Date.now() - rec.t;
        return origStop(...a);
      };
      return src;
    };
    return ctx;
  }
  WrappedAudioContext.prototype = Orig.prototype;
  window.AudioContext = WrappedAudioContext;
  window.webkitAudioContext = WrappedAudioContext;
});

const page = await context.newPage();
const pageErrors = [];
page.on('pageerror', (err) => pageErrors.push(String(err)));

try {
  // 1) 14 条语音文件与清单都在，且 HTTP 200
  const manifest = await (await page.request.get(BASE + '/assets/voice/manifest.json')).json();
  const listed = manifest.files || [];
  check('清单含设计文档 14 条', EXPECTED.every((id) => listed.includes(id)) && listed.length === EXPECTED.length,
    'listed=' + listed.join(','));
  for (const id of EXPECTED) {
    const res = await page.request.get(BASE + '/assets/voice/' + id + '.mp3');
    const len = (await res.body()).length;
    const ctype = res.headers()['content-type'] || '';
    check('音频 ' + id, res.ok() && len > 1000 && /audio|mpeg|octet/.test(ctype),
      `status=${res.status()} bytes=${len} type=${ctype}`);
  }

  // 2) mock 直达报告页：评分与精华卡有内容
  await page.goto(BASE + '/?mock=1&screen=report', { waitUntil: 'domcontentloaded' });
  await page.waitForFunction(() => {
    const b = document.querySelector('#stat-score b');
    return b && b.textContent && b.textContent !== '--';
  }, null, { timeout: 8000 });
  const score = await page.locator('#stat-score b').innerText();
  const essence = await page.locator('#product-title').innerText();
  const reportOn = await page.locator('#s-report.active').count();
  check('直达报告页', reportOn === 1 && /^\d/.test(score) && essence && essence !== '--',
    `score=${score} essence=${essence}`);

  // 3) 完整 mock 流程：启动 → 档案 → 三连拍 → 报告，并记录语音起播
  await page.goto(BASE + '/?mock=1', { waitUntil: 'networkidle' });
  await page.locator('#login-consent').check();
  await page.locator('[data-action="guest-experience"]').click();
  await page.waitForSelector('#s-splash.active');
  await page.getByRole('button', { name: '开始检测' }).click();
  await page.locator('#privacy-check').click();
  await page.getByRole('button', { name: '继续' }).click();
  // 三个滚轮选择器:打开后直接点「确定」取默认项(出生年月默认 30 年前 1 月、女、北京市)
  for (const sel of ['#pick-birth', '#pick-gender', '#pick-region']) {
    await page.locator(sel).click();
    await page.locator('.ms-mobile-select.ms-show .ms-ensure').click();
    await page.waitForTimeout(400);
  }
  const prof = await page.evaluate(() => ({
    birth: document.querySelector('#f-birth').value, age: document.querySelector('#f-age').value,
    gender: document.querySelector('#f-gender').value, region: document.querySelector('#f-region').value,
  }));
  check('档案滚轮选择', /^\d{4}-\d{2}$/.test(prof.birth) && +prof.age > 0 && prof.gender && prof.region, JSON.stringify(prof));
  await page.getByRole('button', { name: '提交' }).click();
  await page.getByRole('button', { name: '开始' }).click();

  await page.waitForFunction(() => {
    const v = document.querySelector('#cam-video');
    return v && v.videoWidth > 0 && document.querySelector('#s-cam').classList.contains('cam-live');
  }, null, { timeout: 12000 });
  const step1 = (await page.locator('#cam-step').innerText()).replace(/\s+/g, '');
  check('进入拍照 1/3', step1.includes('1/3') && step1.includes('正脸出镜'), step1);

  // mock 无人脸检测,快门作为调试入口保留;听完每步引导再按(最长 step2 4.3s):引导、「拍摄完成」、「分析中」都应完整播出
  // 步骤顺序与轮廓对齐 Figma：正脸 → 右脸（耳在画面右，mask 2）→ 左脸（耳在画面左，mask 1）
  const FIGMA_STEPS = [['正脸出镜', '0'], ['右脸', '2'], ['左脸', '1']];
  for (let i = 0; i < 3; i++) {
    const n = i + 1;
    await page.waitForFunction((num) => {
      const t = document.querySelector('#cam-step');
      return t && t.textContent.includes(num + '/3');
    }, n, { timeout: 8000 });
    const st = await page.evaluate(() => ({ text: document.querySelector('#cam-step').textContent, mask: document.querySelector('#cam-mask').getAttribute('data-step') }));
    check(`步骤 ${n}/3 文案与轮廓对齐 Figma`, st.text.includes(FIGMA_STEPS[i][0]) && st.mask === FIGMA_STEPS[i][1], `${st.text} mask=${st.mask}`);
    await page.waitForFunction((id) => (window.__voice || []).some((v) => v.id === id), `step${n}-${['front', 'rightface', 'leftface'][i]}`, { timeout: 8000 });
    await page.waitForTimeout(4600);
    await page.locator('[data-action="shutter"]').click();
  }

  await page.waitForFunction(() => document.querySelector('#s-report').classList.contains('active'), null, { timeout: 15000 });
  const score2 = await page.locator('#stat-score b').innerText();
  const age = await page.locator('#stat-age b').innerText();
  check('三连拍进入报告', /^\d/.test(score2), `score=${score2} skinAge=${age}`);

  await page.waitForTimeout(3200); // 等「分析中」播完
  const played = await page.evaluate(() => window.__voice || []);
  const ids = played.map((v) => v.id);
  console.log('VOICE 起播: ' + played.map((v) => `${v.id}(${v.dur}ms${v.cutAt != null ? ' 截断@' + v.cutAt : ''})`).join(' → '));
  for (const id of ['step1-front', 'step2-rightface', 'step3-leftface', 'shot-done', 'analyzing']) {
    check('流程播报 ' + id, ids.includes(id));
  }
  check('步骤引导顺序', ids.indexOf('step1-front') < ids.indexOf('step2-rightface')
    && ids.indexOf('step2-rightface') < ids.indexOf('step3-leftface'));
  check('拍摄完成每步各一次', ids.filter((id) => id === 'shot-done').length === 3,
    'count=' + ids.filter((id) => id === 'shot-done').length);
  const cut = played.filter((v) => v.cutAt != null && v.cutAt < v.dur - 80);
  check('流程语音无截断', cut.length === 0, cut.map((v) => `${v.id}@${v.cutAt}/${v.dur}`).join(','));
  check('页面无脚本异常', pageErrors.length === 0, pageErrors.join(' | '));

  await page.screenshot({ path: '/tmp/juzi-e2e-report.png', fullPage: true });
  console.log('截图 /tmp/juzi-e2e-report.png');
} catch (err) {
  console.error('RUN ERROR', err);
  fails.push(String(err && err.message || err));
  try { await page.screenshot({ path: '/tmp/juzi-e2e-fail.png', fullPage: true }); } catch (e) {}
} finally {
  await browser.close();
}

console.log(fails.length ? `\n${fails.length} 项失败` : '\n全部通过');
process.exit(fails.length ? 1 : 0);