// 量错误卡片与下方 <hr> 的真实几何关系
import { spawn } from 'node:child_process';
import { mkdtempSync } 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 = 9395;
const URL_ = process.argv[2] || 'http://127.0.0.1:1313/comment.html';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
const userDir = mkdtempSync(join(tmpdir(), 'cdp-hr-'));

const chrome = spawn(CHROME, [
  '--headless=new', `--remote-debugging-port=${PORT}`, `--user-data-dir=${userDir}`,
  '--no-first-run', '--disable-gpu', '--window-size=1280,2000', '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();
  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); } });
  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('Page.enable');
  await sleep(9000);

  console.log(await ev(`(() => {
    const layer = document.querySelector('.atk-error-layer');
    const card = document.querySelector('.atk-err-card');
    const btn = document.querySelector('.atk-err-retry');
    if (!card || !btn) return 'NO CARD';
    const r = (el) => { const b = el.getBoundingClientRect(); return { top: Math.round(b.top + scrollY), bottom: Math.round(b.bottom + scrollY), h: Math.round(b.height) }; };
    // 找卡片之后最近的 hr（含主题里的）
    let hr = null, el = layer;
    while (el && !hr) {
      let s = el.nextElementSibling;
      while (s) { if (s.tagName === 'HR') { hr = s; break; } s = s.nextElementSibling; }
      el = el.parentElement;
    }
    const lr = r(layer), br = r(btn), cr = r(card);
    const hrr = hr ? r(hr) : null;
    const cs = getComputedStyle(layer);
    return JSON.stringify({
      layer: lr, card: cr, button: br,
      hr: hrr,
      hrInsideLayer: hr ? layer.contains(hr) : null,
      layerMargin: cs.margin,
      gapBtnToHr: (hrr && br) ? hrr.top - br.bottom : null,
      overlap: (hrr && br) ? (br.bottom > hrr.top) : null,
      layerParentCls: layer.parentElement ? (layer.parentElement.className || '').slice(0, 60) : null,
      nextSiblings: (() => { const out = []; let s = layer.nextElementSibling; for (let i = 0; s && i < 4; i++) { out.push(s.tagName + '.' + String(s.className).slice(0, 30)); s = s.nextElementSibling; } return out; })(),
    }, null, 1);
  })()`));

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