// 打开评论页，抓「加载失败的请求」+ 控制台错误 + Artalk 错误层文案
import { spawn } from 'node:child_process';
import { mkdtempSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';

const CHROME = 'C:/Users/QunLIn/.agent-browser/browsers/chrome-154.0.8037.92/chrome.exe';
const PORT = 9391;
const URL_ = process.argv[2] || 'http://127.0.0.1:1313/comment.html';
const OUT = process.argv[3] || '';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
const userDir = mkdtempSync(join(tmpdir(), 'cdp-cmterr-'));

const chrome = spawn(CHROME, [
  '--headless=new', `--remote-debugging-port=${PORT}`, `--user-data-dir=${userDir}`,
  '--no-first-run', '--disable-gpu', '--window-size=1280,900', 'about:blank',
], { stdio: 'ignore' });

try {
  for (let i = 0; i < 40; i++) {
    try { const r = await fetch(`http://127.0.0.1:${PORT}/json/version`); if (r.ok) break; } catch { /* */ }
    await sleep(300);
  }
  const tab = await (await fetch(`http://127.0.0.1:${PORT}/json/new?${encodeURIComponent(URL_)}`, { method: 'PUT' })).json();
  const ws = new WebSocket(tab.webSocketDebuggerUrl);
  let id = 0; const pending = new Map(); const net = []; const consoleMsgs = [];
  ws.addEventListener('message', (ev) => {
    const m = JSON.parse(ev.data);
    if (m.id && pending.has(m.id)) { pending.get(m.id)(m); pending.delete(m.id); return; }
    if (m.method === 'Network.responseReceived') {
      const r = m.params.response;
      if (r.status >= 400 || r.url.includes('/api/')) {
        net.push(`HTTP ${r.status} ${r.url.slice(0, 120)}`);
      }
    }
    if (m.method === 'Network.loadingFailed') {
      net.push(`FAIL ${m.params.errorText} ${(m.params.blockedReason || '')} type=${m.params.type}`);
    }
    if (m.method === 'Runtime.consoleAPICalled') {
      consoleMsgs.push(`[${m.params.type}] ` + (m.params.args || []).map((a) => a.value ?? a.description ?? a.type).join(' '));
    }
    if (m.method === 'Runtime.exceptionThrown') {
      consoleMsgs.push('[exception] ' + (m.params.exceptionDetails?.exception?.description || m.params.exceptionDetails?.text || ''));
    }
  });
  await new Promise((res) => ws.addEventListener('open', res));
  const send = (method, params = {}) => new Promise((res) => { const mid = ++id; pending.set(mid, res); ws.send(JSON.stringify({ id: mid, method, params })); });
  const ev = async (expr) => {
    const r = await send('Runtime.evaluate', { expression: expr, returnByValue: true, awaitPromise: true });
    return r.result?.result?.value ?? r.result?.value ?? null;
  };

  await send('Runtime.enable');
  await send('Network.enable');
  await send('Page.enable');
  await send('Page.navigate', { url: URL_ });
  await sleep(9000);

  console.log('=== 网络（>=400 或 /api/） ===');
  console.log(net.length ? [...new Set(net)].slice(0, 20).join('\n') : '(无)');
  console.log('\n=== 控制台 ===');
  console.log(consoleMsgs.length ? consoleMsgs.slice(0, 12).join('\n') : '(无)');

  console.log('\n=== 卡片计算样式（代码级验证） ===');
  console.log(await ev(`(() => {
    const c = document.querySelector('.atk-err-card');
    if (!c) return 'NO CARD';
    const cs = getComputedStyle(c);
    const ic = c.querySelector('.atk-err-ic');
    const t = c.querySelector('.atk-err-t');
    const d = c.querySelector('.atk-err-d');
    const r = c.querySelector('.atk-err-retry');
    const rect = c.getBoundingClientRect();
    const center = Math.abs((rect.x + rect.width / 2) - window.innerWidth / 2);
    return JSON.stringify({
      textAlign: cs.textAlign,
      padding: cs.padding,
      border: cs.borderTopWidth + ' ' + cs.borderTopStyle,
      background: cs.backgroundColor,
      hasDetails: !!c.querySelector('details'),
      hasBodyWrap: !!c.querySelector('.atk-err-body'),
      icon: ic ? getComputedStyle(ic).display + '/' + getComputedStyle(ic).fontSize : null,
      titleAlign: t ? getComputedStyle(t).textAlign : null,
      descMaxW: d ? getComputedStyle(d).maxWidth : null,
      retryRadius: r ? getComputedStyle(r).borderRadius : null,
      cardCentered: center < 8 ? 'yes(off=' + Math.round(center) + 'px)' : 'no(off=' + Math.round(center) + 'px)'
    }, null, 1);
  })()`));

  console.log('\n=== Artalk 错误层 ===');
  console.log(await ev(`(() => {
    const el = document.querySelector('.atk-error-layer');
    if (!el) return '(没有错误层)';
    const h = el.getBoundingClientRect();
    return JSON.stringify({ text: el.innerText.replace(/\\n/g, ' | '), h: Math.round(h.height), html: el.innerHTML.slice(0, 500) }, null, 1);
  })()`));

  if (OUT) {
    const s = await send('Page.captureScreenshot', { format: 'png' });
    writeFileSync(OUT, Buffer.from(s.result.data, 'base64'));

    // 错误卡片特写（放大 2 倍，用文档坐标 + captureBeyondViewport 才准）
    const rectRaw = await ev(`(() => {
      const el = document.querySelector('.atk-err-card');
      if (!el) return 'null';
      const r = el.getBoundingClientRect();
      return JSON.stringify({
        x: Math.max(0, r.x + window.scrollX - 10),
        y: Math.max(0, r.y + window.scrollY - 10),
        width: r.width + 20,
        height: r.height + 20
      });
    })()`);
    if (rectRaw && rectRaw !== 'null') {
      const clip = JSON.parse(rectRaw);
      const s2 = await send('Page.captureScreenshot', {
        format: 'png', captureBeyondViewport: true, clip: { ...clip, scale: 2 },
      });
      writeFileSync(OUT.replace(/\.png$/, '.card.png'), Buffer.from(s2.result.data, 'base64'));
    }
  }

  // ── 点「重新加载」→ 应触发新的一轮 /api/v2 请求（验证移动节点后事件还在）
  const countApi = () => net.filter((x) => x.includes('/api/v2/')).length;
  const before = countApi();
  const clicked = await ev(`(() => { const b = document.querySelector('.atk-err-retry'); if (b) b.click(); return !!b; })()`);
  await sleep(4500);
  const after = countApi();
  console.log(`\n=== 点「重新加载」 ===`);
  console.log(`按钮存在=${clicked} | /api/v2 请求数 ${before} → ${after} ${after > before ? '✓ 事件仍在' : '✗ 事件丢了'}`);
  console.log('错误层现状：', await ev(`(() => {
    const el = document.querySelector('.atk-error-layer');
    if (!el) return '(已移除)';
    const c = el.querySelector('.atk-err-card');
    return c ? '仍是我们重写后的卡片（重试再次失败）' : 'Artalk 原生层：' + el.innerText.slice(0, 60);
  })()`));

  ws.close();
} catch (e) {
  console.error('ERROR', e.message);
} finally {
  chrome.kill();
}