/* cdp-verify-gensb.mjs — 验证「生成分镜」弹窗 desc/prompt 无「改写」措辞残留（09-01 用户：没有AI改写脚本的说法了）
 * 覆盖点：#/rewrites 页 → 查看（对比弹窗）→ 生成分镜 → confirmRun opts
 * 方法：CDP 9223 → 复用现有 8900 标签页 → hook window.confirmRun 捕获 opts（不真实执行任务）
 * 断言：title=生成分镜/重新生成分镜；desc/prompt 含「AI 脚本」；不含「改写」
 * 运行：node cdp-verify-gensb.mjs
 */
const CDP = 'http://127.0.0.1:9223';

async function getWs(targetId) {
  const tabs = await (await fetch(CDP + '/json')).json();
  const t = tabs.find((x) => x.id === targetId);
  if (!t) throw new Error('target not found: ' + targetId);
  return t.webSocketDebuggerUrl;
}
function cdp(ws, method, params = {}) {
  return new Promise((resolve, reject) => {
    const id = ++cdp._id;
    const w = new WebSocket(ws);
    const timer = setTimeout(() => { try { w.close(); } catch (e) {} reject(new Error('timeout: ' + method)); }, 30000);
    w.onopen = () => w.send(JSON.stringify({ id, method, params }));
    w.onmessage = (ev) => {
      const m = JSON.parse(ev.data);
      if (m.id !== id) return;
      clearTimeout(timer);
      try { w.close(); } catch (e) {}
      m.error ? reject(new Error(method + ': ' + JSON.stringify(m.error))) : resolve(m.result);
    };
    w.onerror = () => { clearTimeout(timer); reject(new Error('ws error: ' + method)); };
  });
}
cdp._id = 0;

async function evalJs(ws, expr) {
  const r = await cdp(ws, 'Runtime.evaluate', { expression: expr, awaitPromise: true, returnByValue: true });
  if (r.exceptionDetails) throw new Error('eval err: ' + JSON.stringify(r.exceptionDetails).slice(0, 300));
  return r.result && r.result.value;
}

const sleep = (ms) => new Promise((r) => setTimeout(r, ms));

async function waitFor(ws, expr, timeout = 40000, label = '') {
  const t0 = Date.now();
  while (Date.now() - t0 < timeout) {
    try { if (await evalJs(ws, expr)) return true; } catch (e) {}
    await sleep(800);
  }
  throw new Error('waitFor timeout: ' + label + ' -> ' + expr);
}

async function main() {
  const tabs = await (await fetch(CDP + '/json')).json();
  const wb = tabs.find((t) => t.url.includes('localhost:8900') || t.url.includes('127.0.0.1:8900'));
  if (!wb) throw new Error('未找到 8900 工作台标签页，请先在内置浏览器打开工作台');
  const ws = await getWs(wb.id);
  console.log('▶ 复用标签页:', wb.url);

  console.log('\n【#/rewrites → 对比弹窗 → 生成分镜】');
  await evalJs(ws, `location.hash = '#/rewrites'`);
  await cdp(ws, 'Page.reload', { ignoreCache: true });
  await waitFor(ws, `!!document.querySelector('[data-detail]')`, 40000, 'rewrites 列表渲染（含查看按钮）');

  // 打开对比弹窗（取第一条有 rewrite 的视频）
  const hasView = await evalJs(ws, `document.querySelectorAll('[data-detail]').length`);
  console.log('可测「查看」按钮数:', hasView);
  if (!hasView) throw new Error('无可测视频（无 rewrite 数据）');
  await evalJs(ws, `document.querySelector('[data-detail]').click(); true`);
  await waitFor(ws, `!!document.querySelector('.rw-modal')`, 30000, '对比弹窗打开');

  // 注入 hook（弹窗已打开，点击生成分镜前）
  await evalJs(ws, `window.__cap = null; window.__origConfirmRun = window.confirmRun;
    window.confirmRun = (o) => { window.__cap = o; }; true`);

  // 优先点「生成分镜」（data-gen-sb）；已有分镜则点「重新生成」（data-sgen）
  const btnInfo = await evalJs(ws, `(() => {
    const gen = document.querySelector('.rw-modal [data-gen-sb]');
    const sgen = document.querySelector('.rw-modal [data-sgen]');
    return { hasGen: !!gen, hasSgen: !!sgen };
  })()`);
  console.log('按钮: 生成分镜=', btnInfo.hasGen, '| 重新生成=', btnInfo.hasSgen);
  const clicked = await evalJs(ws, `(() => {
    const gen = document.querySelector('.rw-modal [data-gen-sb]');
    const sgen = document.querySelector('.rw-modal [data-sgen]');
    if (gen) { gen.click(); return 'gen'; }
    if (sgen) { sgen.click(); return 'sgen'; }
    return null;
  })()`);
  if (!clicked) throw new Error('未找到生成分镜按钮');
  console.log('点击按钮:', clicked);

  await waitFor(ws, `!!window.__cap`, 30000, 'confirmRun 捕获');
  const cap = JSON.parse(await evalJs(ws, `JSON.stringify(window.__cap)`));
  const p = cap.prompt || '';
  const d = cap.desc || '';
  console.log('  title:', cap.title, '| label:', cap.label, '| target:', cap.target);
  console.log('  desc:', d);
  console.log('  prompt:', p);
  console.log('  desc 含「AI 脚本」:', d.includes('AI 脚本'));
  console.log('  prompt 含「AI 脚本」:', p.includes('AI 脚本'));
  console.log('  desc 含「改写」:', d.includes('改写'));
  console.log('  prompt 含「改写」:', p.includes('改写'));

  const ok = /生成分镜|重新生成分镜/.test(cap.title)
    && cap.label === '分镜指令'
    && d.includes('AI 脚本') && !d.includes('改写')
    && p.includes('AI 脚本') && !p.includes('改写');
  console.log('  ✅ 生成分镜措辞断言:', ok ? 'PASS' : 'FAIL');

  await evalJs(ws, `window.confirmRun = window.__origConfirmRun; true`);
  console.log('\n==== 验证完成 ====');
}

main().catch((e) => { console.error('❌', e.message); process.exit(1); });