/**
 * shiroko-monitor 四种视图验证（开发用，需 playwright）
 *
 * 覆盖：卡片 / 表格 / 大屏 / 极简 四视图的渲染数量、切换器、URL 指定、hideTargets 脱敏、无 JS 错误
 *
 * 用法：NODE_PATH=<playwright node_modules> node scripts/verify-views.cjs [baseUrl]
 */
const fs = require('node:fs');
const http = require('node:http');
const os = require('node:os');
const path = require('node:path');
const { spawn } = require('node:child_process');
const { chromium } = require('playwright');

const BASE = process.argv[2] || 'http://localhost:8787';
const CONFIG = path.join(__dirname, '..', 'public', 'monitors.json');
const CHROME = 'C:/Program Files/Google/Chrome/Application/chrome.exe';
const results = [];

function check(name, pass, detail) {
  results.push({ name, pass });
  console.log(`${pass ? '  ✓' : '  ✗'} ${name}${detail ? ` — ${detail}` : ''}`);
}

const SELECTOR = { cards: '.card', table: 'table.monitor-table tbody tr[data-status]' };

async function main() {
  const browser = await chromium.launch({ executablePath: CHROME, args: ['--no-sandbox'] });
  const context = await browser.newContext({ viewport: { width: 1280, height: 900 } });
  const page = await context.newPage();
  const errors = [];
  page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
  page.on('pageerror', (e) => errors.push(`pageerror: ${e.message}`));

  const snap = await fetch(`${BASE}/api/status`, { cache: 'no-store' }).then((r) => r.json());
  const shown = Object.keys(snap.monitors).length;

  // 默认视图：不带 ?view= 时应为表格
  await page.goto(`${BASE}/?source=api`, { waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
  check('默认视图为表格', (await page.evaluate(() => document.body.dataset.view)) === 'table', `data-view=${await page.evaluate(() => document.body.dataset.view)}`);
  check('切换器只有两个选项（表格/卡片）', (await page.evaluate(() => document.querySelectorAll('.view-btn').length)) === 2, '2 个');

  for (const view of ['table', 'cards']) {
    await page.goto(`${BASE}/?source=api&view=${view}`, { waitUntil: 'domcontentloaded' });
    await page.waitForSelector(SELECTOR[view], { timeout: 15000 });
    // 等首次快照渲染完成（不再有 pending 条目）再截图，避免拍到「等待检测」中间态
    await page.waitForFunction(() => !document.querySelector('[data-status="pending"]'), null, { timeout: 40000 });
    await page.waitForTimeout(400);
    const info = await page.evaluate((sel) => ({
      bodyView: document.body.dataset.view,
      count: document.querySelectorAll(sel).length,
      activeBtn: document.querySelector('.view-btn.active')?.textContent ?? '',
      // 页面与表格都不应出现横向溢出（历史上立绘避让的 padding 曾导致桌面端需要横向拖动）
      overflowPage: document.documentElement.scrollWidth - document.documentElement.clientWidth,
      overflowTable: (() => {
        const w = document.querySelector('.table-wrap');
        return w ? Math.round(w.scrollWidth - w.clientWidth) : 0;
      })(),
    }), SELECTOR[view]);
    check(`${view} 视图渲染 ${shown} 个条目`, info.count === shown, `count=${info.count}, 切换器=${info.activeBtn}`);
    check(`${view} 视图无横向溢出（无需拖动）`, info.overflowPage <= 0 && info.overflowTable <= 0, `页面溢出 ${info.overflowPage}px，表格溢出 ${info.overflowTable}px`);
    // 立绘若存在：要么不与内容重叠，要么确实位于不透明面板之下（立绘 z-index 低于内容，不应影响阅读）
    const artOverlap = await page.evaluate(() => {
      const art = document.querySelector('.artwork');
      if (!art || getComputedStyle(art).display === 'none') return null;
      const a = art.getBoundingClientRect();
      const opaque = (bg) => {
        const m = bg.match(/rgba?\(([^)]+)\)/);
        if (!m) return false;
        const parts = m[1].split(',').map(Number);
        return parts.length < 4 || parts[3] === 1;
      };
      const hits = [...document.querySelectorAll('table.monitor-table tbody tr, .card')]
        .map((el) => ({ r: el.getBoundingClientRect(), el }))
        .filter(({ r }) => r.right > a.left + 8 && r.bottom > a.top && r.top < a.bottom)
        .map(({ el }) => {
          // 不透明判定要同时看背景色与背景图（卡片用的是渐变背景，backgroundColor 仍是透明）
          const cs = getComputedStyle(el);
          if (cs.backgroundImage !== 'none') return true;
          const chain = [cs, getComputedStyle(el.closest('.table-wrap, .grid') ?? el)];
          return chain.some((s) => s.backgroundImage !== 'none' || opaque(s.backgroundColor));
        });
      return { count: hits.length, allOpaque: hits.every(Boolean) };
    });
    if (artOverlap) check(`${view} 视图立绘不影响阅读（不重叠或位于面板之下）`, artOverlap.count === 0 || artOverlap.allOpaque, `重叠 ${artOverlap.count} 个，均在面板之下=${artOverlap.allOpaque}`);
    await page.screenshot({ path: path.join(__dirname, '..', 'docs', `screenshot-view-${view}.png`), fullPage: true });
  }

  // 切换器持久化：点击后写入 localStorage，刷新后仍生效（URL 不带 ?view= 时不覆盖用户选择）
  await page.goto(`${BASE}/?source=api`, { waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
  await page.click('.view-btn:nth-child(2)'); // 卡片
  await page.waitForSelector(SELECTOR.cards, { timeout: 10000 });
  const saved = await page.evaluate(() => localStorage.getItem('shiroko.view'));
  await page.reload({ waitUntil: 'domcontentloaded' });
  await page.waitForSelector(SELECTOR.cards, { timeout: 15000 });
  check('视图切换被记住（localStorage），刷新后仍为卡片', saved === 'cards' && (await page.evaluate(() => document.body.dataset.view)) === 'cards', `saved=${saved}`);
  await page.evaluate(() => localStorage.removeItem('shiroko.view'));

  // dataFilter：仅配置 / 仅 UptimeRobot / 两者
  const cfgAll = JSON.parse(fs.readFileSync(CONFIG, 'utf8'));
  const configCount = cfgAll.monitors.length;
  const urCount = Object.values(snap.monitors).filter((m) => m.meta?.source === 'uptimerobot').length;
  console.log(`    配置目标 ${configCount} 个，UptimeRobot 镜像 ${urCount} 个`);
  const rawCfg = fs.readFileSync(CONFIG, 'utf8');
  try {
    for (const [mode, expect] of [['config', configCount], ['uptimerobot', urCount], ['both', configCount + urCount]]) {
      const c = JSON.parse(rawCfg);
      c.settings.dataFilter = mode;
      fs.writeFileSync(CONFIG, `${JSON.stringify(c, null, 2)}\n`);
      await new Promise((r) => setTimeout(r, 900)); // 等探针热重载
      await page.goto(`${BASE}/?source=api&view=table`, { waitUntil: 'domcontentloaded' });
      if (expect > 0) await page.waitForSelector(SELECTOR.table, { timeout: 15000 });
      else await page.waitForTimeout(1500);
      const n = await page.evaluate((sel) => document.querySelectorAll(sel).length, SELECTOR.table);
      const snapNow = await fetch(`${BASE}/api/status`, { cache: 'no-store' }).then((r) => r.json());
      check(`dataFilter=${mode} 时面板与快照口径一致（${expect} 个）`, n === expect && snapNow.dataFilter === mode, `面板 ${n} 个，快照 dataFilter=${snapNow.dataFilter}`);
    }
  } finally {
    // 还原并校验：测试改配置必须原样恢复，否则会静默改坏仓库里的配置
    fs.writeFileSync(CONFIG, rawCfg);
    if (fs.readFileSync(CONFIG, 'utf8') !== rawCfg) {
      fs.writeFileSync(CONFIG, rawCfg);
      check('测试后配置原样还原', false, '首次还原后内容不一致，已重写');
    } else {
      check('测试后配置原样还原', true, 'monitors.json 未被测试改动');
    }
  }

  // hideTargets：开启后面板不渲染任何目标地址
  const raw = fs.readFileSync(CONFIG, 'utf8');
  const cfg = JSON.parse(raw);
  cfg.settings.hideTargets = true;
  fs.writeFileSync(CONFIG, `${JSON.stringify(cfg, null, 2)}\n`);
  try {
    await page.goto(`${BASE}/?source=api&view=cards`, { waitUntil: 'domcontentloaded' });
    await page.waitForSelector('.card', { timeout: 15000 });
    await page.waitForTimeout(800);
    const leak = await page.evaluate(() => {
      const html = document.getElementById('monitor-grid').innerHTML;
      return /https?:\/\//.test(html) || /\d+\.\d+\.\d+\.\d+:\d+/.test(html);
    });
    const target = await page.evaluate(() => document.querySelector('.card-target')?.textContent ?? '');
    check('hideTargets 开启后面板不渲染目标地址', !leak && target === '已隐藏', `target="${target}"`);
  } finally {
    fs.writeFileSync(CONFIG, raw); // 还原
  }

  // ---------- H. 移动端（窄屏） ----------
  console.log('\n[H] 移动端窄屏');
  const mCtx = await browser.newContext({ viewport: { width: 390, height: 844 }, isMobile: true, deviceScaleFactor: 2 });
  const mp = await mCtx.newPage();
  const mErrors = [];
  mp.on('pageerror', (e) => mErrors.push(e.message));
  // 不带 ?view=：窄屏下应自动落到卡片视图（表格在手机上必须横向拖动）
  await mp.goto(`${BASE}/?source=api`, { waitUntil: 'domcontentloaded' });
  await mp.waitForSelector('.card', { timeout: 20000 });
  await mp.waitForTimeout(1500);
  const mob = await mp.evaluate(() => {
    const top = (sel) => { const el = document.querySelector(sel); return el ? Math.round(el.getBoundingClientRect().top) : -1; };
    const statsW = Math.round(document.querySelector('.stats')?.getBoundingClientRect().width ?? 0);
    const lastFooter = [...document.querySelectorAll('.footer-item')].pop();
    return {
      view: document.body.dataset.view,
      overflow: document.documentElement.scrollWidth - document.documentElement.clientWidth,
      brandTop: top('.brand'), statsTop: top('.stats'), controlsTop: top('.controls'),
      statsW, vw: window.innerWidth,
      artwork: getComputedStyle(document.querySelector('.artwork') ?? document.body).display,
      beforeDisplay: getComputedStyle(document.body, '::before').display,
      afterDisplay: getComputedStyle(document.body, '::after').display,
      footerRight: lastFooter ? Math.round(lastFooter.getBoundingClientRect().right) : -1,
      cards: document.querySelectorAll('.card').length,
      tabsWrapped: getComputedStyle(document.querySelector('.topbar')).flexDirection,
    };
  });
  check('窄屏默认使用卡片视图', mob.view === 'cards', `data-view=${mob.view}`);
  check('窄屏无横向溢出', mob.overflow <= 0, `溢出 ${mob.overflow}px`);
  check('顶栏在窄屏改为纵向三行（标题/统计/控件）', mob.brandTop < mob.statsTop && mob.statsTop < mob.controlsTop && mob.tabsWrapped === 'column', `top: ${mob.brandTop}/${mob.statsTop}/${mob.controlsTop}, flex=${mob.tabsWrapped}`);
  check('统计行铺满视口宽度', Math.abs(mob.statsW - mob.vw) <= 32, `stats=${mob.statsW} 视口=${mob.vw}`);
  check('窄屏撤掉立绘与固定装饰', mob.artwork === 'none' && mob.beforeDisplay === 'none' && mob.afterDisplay === 'none', `立绘=${mob.artwork} 左装饰=${mob.beforeDisplay} 光环水印=${mob.afterDisplay}`);
  check('页脚内容不被裁切', mob.footerRight > 0 && mob.footerRight <= mob.vw, `最后一项右边界 ${mob.footerRight} / 视口 ${mob.vw}`);
  check('窄屏渲染无 JS 错误', mErrors.length === 0, mErrors.join(' | ') || '无');
  await mp.screenshot({ path: path.join(__dirname, '..', 'docs', 'screenshot-mobile.png'), fullPage: true });
  await mCtx.close();

  // ---------- I. 无障碍：文字与图形对比度（WCAG AA） ----------
  console.log('\n[I] 对比度（WCAG AA：正文 ≥4.5，图形 ≥3.0）');
  // 对比度需在表格视图下采样（在线/离线状态文字在表格行里）
  await page.goto(`${BASE}/?source=api&view=table`, { waitUntil: 'domcontentloaded' });
  await page.waitForSelector('table.monitor-table tbody tr[data-status]', { timeout: 20000 });
  await page.waitForTimeout(1000);
  const contrast = await page.evaluate(() => {
    // 颜色可能是 rgb()/rgba() 或 color(srgb r g b / a)（color-mix 的结果），统一解析后逐层合成，
    // 否则半透明底色会被当成不透明、0~1 分量会被当成 0~255，算出的比值是错的
    const parseColor = (c) => {
      const nums = (c.match(/[\d.]+/g) ?? []).map(Number);
      const srgb = c.startsWith('color(srgb');
      const [r, g, b] = srgb ? nums.slice(0, 3).map((v) => v * 255) : nums.slice(0, 3);
      const a = srgb ? (nums.length > 3 ? nums[3] : 1) : (nums.length > 3 ? nums[3] : 1);
      return { r, g, b, a };
    };
    const effectiveBg = (el) => {
      const chain = [];
      for (let n = el; n; n = n.parentElement) chain.push(n);
      let bg = { r: 255, g: 255, b: 255 };
      for (const n of chain.reverse()) {
        const c = parseColor(getComputedStyle(n).backgroundColor);
        if (!c.a) continue;
        bg = { r: bg.r * (1 - c.a) + c.r * c.a, g: bg.g * (1 - c.a) + c.g * c.a, b: bg.b * (1 - c.a) + c.b * c.a };
      }
      return `rgb(${Math.round(bg.r)}, ${Math.round(bg.g)}, ${Math.round(bg.b)})`;
    };
    const luminance = ([r, g, b]) => {
      const f = (v) => { v /= 255; return v <= 0.03928 ? v / 12.92 : ((v + 0.055) / 1.055) ** 2.4; };
      return 0.2126 * f(r) + 0.7152 * f(g) + 0.0722 * f(b);
    };
    const ratio = (fg, bg) => {
      const a = luminance([parseColor(fg).r, parseColor(fg).g, parseColor(fg).b]);
      const b = luminance([parseColor(bg).r, parseColor(bg).g, parseColor(bg).b]);
      const [hi, lo] = a > b ? [a, b] : [b, a];
      return (hi + 0.05) / (lo + 0.05);
    };
    const sample = (sel, label) => {
      const el = document.querySelector(sel);
      if (!el) return null;
      return { label, text: el.textContent.trim().slice(0, 8), r: +ratio(getComputedStyle(el).color, effectiveBg(el)).toFixed(2) };
    };
    const out = [
      sample('tr[data-status="up"] .t-state', '在线状态文字'),
      sample('tr[data-status="down"] .t-state', '离线状态文字'),
      sample('tr[data-status="pending"] .t-state', '等待状态文字'),
      sample('#stat-up', '在线统计数字'),
      sample('#stat-down', '离线统计数字'),
      sample('#overall-pill', '顶部状态胶囊'),
      sample('.t-target', '目标地址'),
      sample('.footer-item', '页脚文字'),
    ].filter(Boolean);
    // 图形：状态点边框色 vs 其所在卡片底色（图形标准 3:1）
    const dot = document.querySelector('.dot');
    if (dot) out.push({ label: '状态点图形', r: +ratio(getComputedStyle(dot).borderTopColor, effectiveBg(dot)).toFixed(2), graphic: true });
    return out;
  });
  for (const c of contrast) {
    if (c.r == null) continue;
    const need = c.graphic ? 3 : 4.5;
    check(`${c.label}对比度 ≥${need}`, c.r >= need, `${c.r}:1`);
  }

  // ---------- J. 事件区块与延迟趋势（演示快照，进程内临时服务） ----------
  console.log('\n[J] 事件区块与延迟趋势');
  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'shiroko-events-'));
  try {
    fs.cpSync(path.join(__dirname, '..', 'public'), tmpDir, { recursive: true });
    const cfgPath = path.join(tmpDir, 'monitors.json');
    const demoCfg = JSON.parse(fs.readFileSync(cfgPath, 'utf8'));
    demoCfg.settings.dataFilter = 'config';
    fs.writeFileSync(cfgPath, `${JSON.stringify(demoCfg, null, 2)}\n`);
    await new Promise((resolve) => {
      const child = spawn(process.execPath, [path.join(__dirname, '..', 'prober', 'node', 'index.js'),
        '--once', '--demo', `--config=${cfgPath}`, `--local-config=${path.join(tmpDir, 'none.json')}`,
        `--out=${path.join(tmpDir, 'status.json')}`], { stdio: 'ignore' });
      child.on('exit', (code) => resolve(code));
    });
    const demoServer = http.createServer((req, res) => {
      const rel = decodeURIComponent(req.url.split('?')[0]);
      const file = path.join(tmpDir, rel === '/' ? 'index.html' : rel);
      fs.readFile(file, (err, data) => {
        if (err) {
          res.writeHead(404);
          res.end();
          return;
        }
        const mime = { '.html': 'text/html;charset=utf-8', '.js': 'text/javascript', '.css': 'text/css', '.json': 'application/json', '.svg': 'image/svg+xml', '.webp': 'image/webp', '.png': 'image/png' }[path.extname(file)] ?? 'application/octet-stream';
        res.writeHead(200, { 'content-type': mime });
        res.end(data);
      });
    });
    await new Promise((r) => demoServer.listen(8894, r));
    const dp = await browser.newPage({ viewport: { width: 1440, height: 900 } });
    await dp.goto('http://localhost:8894/?source=static&view=cards', { waitUntil: 'domcontentloaded' });
    await dp.waitForSelector('.card', { timeout: 20000 });
    await dp.waitForTimeout(1200);
    const dj = await dp.evaluate(() => ({
      cards: document.querySelectorAll('.card').length,
      trends: document.querySelectorAll('.lat-trend').length,
      cellsPerTrend: document.querySelector('.lat-trend')?.children[1]?.children.length ?? 0,
      trendTip: document.querySelector('.lat-trend')?.title ?? '',
      eventsHidden: document.getElementById('events').hidden,
      overflow: document.documentElement.scrollWidth - document.documentElement.clientWidth,
    }));
    check('卡片视图渲染 90 天延迟趋势条', dj.trends > 0 && dj.cellsPerTrend === 30, `${dj.trends} 条 × ${dj.cellsPerTrend} 格`);
    check('趋势条 tooltip 含日均与峰值', /90 天日均延迟 \d+ ms · 峰值 \d+ ms/.test(dj.trendTip), dj.trendTip.slice(0, 60));
    check('无事件时区块隐藏', dj.eventsHidden === true, '');
    check('演示视图无横向溢出', dj.overflow <= 0, `${dj.overflow}px`);
    // 表格视图：可用率列 tooltip 应带日均延迟
    await dp.evaluate(() => document.querySelector('.view-btn').click());
    await dp.waitForSelector('table.monitor-table', { timeout: 10000 });
    await dp.waitForTimeout(500);
    const dt = await dp.evaluate(() => document.querySelector('tr[data-status] .t-uptime')?.title ?? '');
    check('表格可用率 tooltip 含 90 天日均延迟', /90 天日均延迟 \d+ ms/.test(dt), dt.slice(0, 60));

    // ---- 行高一致性：先在「内容等长」下取基准 ----
    // 注意：名称来自 monitors.json，不是 status.json（改错文件会假通过）
    const statusPath = path.join(tmpDir, 'status.json');
    const snap = JSON.parse(fs.readFileSync(statusPath, 'utf8'));
    const cfgPath2 = path.join(tmpDir, 'monitors.json');
    const cfgJson = JSON.parse(fs.readFileSync(cfgPath2, 'utf8'));
    const ids = Object.keys(snap.monitors);
    cfgJson.monitors.forEach((m, i) => { m.name = `目标 ${i + 1}`; });
    fs.writeFileSync(cfgPath2, `${JSON.stringify(cfgJson, null, 2)}\n`);
    await dp.goto('http://localhost:8894/?source=static&view=table', { waitUntil: 'domcontentloaded' });
    await dp.waitForSelector('table.monitor-table tbody tr[data-status]', { timeout: 20000 });
    await dp.waitForTimeout(900);
    const heights = await dp.evaluate(() => {
      const hs = [...document.querySelectorAll('table.monitor-table tbody tr[data-status]')].map((tr) => Math.round(tr.getBoundingClientRect().height));
      return { hs, unique: [...new Set(hs)] };
    });
    check('内容等长时表格各行等高（可用率条不再撑高行）', heights.unique.length === 1, `行高 ${heights.unique.join('/')}（共 ${heights.hs.length} 行）`);
    const baseRowH = heights.unique[0] ?? 0;
    const groupHs = await dp.evaluate(() => [...new Set([...document.querySelectorAll('table.monitor-table tbody tr.group-row')].map((tr) => Math.round(tr.getBoundingClientRect().height)))]);
    check('分组标题行自身等高且不与数据行混淆', groupHs.length === 1 && groupHs[0] !== baseRowH, `分组行高 ${groupHs.join('/')}，数据行 ${baseRowH}px`);

    // ---- 极端内容：行高仍须完全一致，且不得出现横向滚动 ----
    // 注入超长名称与超长地址（外加一条超长事件详情），要求行高与基准逐像素相同
    let injected = 0;
    cfgJson.monitors.forEach((m, i) => {
      if (i % 3 === 0) { m.name = `这是一个相当长的监控目标名称用于验证绝对等高-${'X'.repeat(40)}-${m.id}`; injected++; }
      if (i % 3 === 1) { m.url = `https://very-long-subdomain.example.com/${'segment/'.repeat(12)}?q=${'y'.repeat(30)}`; injected++; }
    });
    fs.writeFileSync(cfgPath2, `${JSON.stringify(cfgJson, null, 2)}\n`);
    // 注入事件，验证事件区块的时间线样式、折叠与等高
    snap.events = Array.from({ length: 12 }, (_, i) => ({
      t: new Date(Date.now() - i * 60000).toISOString(),
      id: ids[0],
      name: i % 2 ? `事件目标-${'长'.repeat(50)}` : (snap.monitors[ids[0]]?.name ?? 'x'),
      type: i % 2 ? 'down' : 'up',
      detail: i % 2 ? `connect ETIMEDOUT ${'203.0.113.'.repeat(6)}` : '已恢复',
      maintenance: false,
    }));
    fs.writeFileSync(statusPath, JSON.stringify(snap));
    await dp.goto('http://localhost:8894/?source=static&view=table', { waitUntil: 'domcontentloaded' });
    await dp.waitForSelector('table.monitor-table tbody tr[data-status]', { timeout: 20000 });
    await dp.waitForTimeout(900);
    // 极端内容下的行高必须与等长内容下逐像素相同
    const eqLong = await dp.evaluate(() => {
      const hs = [...document.querySelectorAll('table.monitor-table tbody tr[data-status]')].map((tr) => Math.round(tr.getBoundingClientRect().height));
      const ev = [...document.querySelectorAll('.events-table tbody tr')].map((tr) => Math.round(tr.getBoundingClientRect().height));
      return { hs, hsU: [...new Set(hs)], ev, evU: [...new Set(ev)] };
    });
    check('极端内容下表格各行仍绝对等高（与等长内容逐像素相同）', eqLong.hsU.length === 1 && eqLong.hsU[0] === baseRowH, `行高 ${eqLong.hsU.join('/')}，基准 ${baseRowH}px（注入 ${injected} 条长内容，共 ${eqLong.hs.length} 行）`);
    check('极端内容下事件表各行等高且与监控表格一致', eqLong.evU.length === 1 && eqLong.evU[0] === baseRowH, `事件行高 ${eqLong.evU.join('/')}`);
    const clip = await dp.evaluate(() => {
      let clipped = 0;
      let worst = 0;
      for (const tr of document.querySelectorAll('tr[data-status]')) {
        for (const td of tr.querySelectorAll('td')) {
          const d = td.scrollWidth - td.clientWidth;
          if (d > 1) { clipped++; worst = Math.max(worst, d); }
        }
      }
      const wrap = document.querySelector('.table-wrap');
      return { clipped, worst, pageOverflow: document.documentElement.scrollWidth - document.documentElement.clientWidth, tableOverflow: wrap ? wrap.scrollWidth - wrap.clientWidth : 0 };
    });
    // 横向方向：单元格内容一律不得溢出（限高不换行时最容易被长 URL 顶破）
    check(`表格单元格无横向溢出（注入 ${injected} 条长内容）`, clip.clipped === 0, `溢出单元格 ${clip.clipped} 个，最大 ${clip.worst}px`);
    check('表格仍无横向滚动', clip.pageOverflow <= 0 && clip.tableOverflow <= 0, `页面 ${clip.pageOverflow} / 表格 ${clip.tableOverflow}`);
    // 纵向方向：长内容改为「限两行 + title 悬停看全文」，完整值仍必须可取
    // 注意 display 的计算值不可作为判据：Chrome 实现了标准 line-clamp 后会把
    // display 从 -webkit-box 规范化为 flow-root，这里改查 -webkit-line-clamp 计算值
    const clamp = await dp.evaluate(() => {
      const els = [...document.querySelectorAll('.monitor-table .clamp2, .events-table .clamp2')];
      const clamped = els.filter((e) => e.scrollHeight - e.clientHeight > 1);
      const noTitle = [...document.querySelectorAll('.t-name, .t-target, .ev-name, .ev-detail')].filter((td) => !td.title);
      const cs = els[0] ? getComputedStyle(els[0]) : null;
      return {
        total: els.length,
        clamped: clamped.length,
        noTitle: noTitle.length,
        overflow: cs?.overflow ?? '',
        clamp: cs?.webkitLineClamp ?? cs?.lineClamp ?? '',
        h: els[0] ? Math.round(els[0].getBoundingClientRect().height) : 0,
      };
    });
    check('长文本限两行显示且 overflow:hidden（等高的前提）', clamp.clamped > 0 && clamp.overflow === 'hidden' && clamp.clamp === '2', `限行 ${clamp.clamped}/${clamp.total}，-webkit-line-clamp=${clamp.clamp}，元素高 ${clamp.h}px`);
    check('被截断的单元格仍带 title（悬停可看完整值）', clamp.noTitle === 0, `缺 title 的单元格 ${clamp.noTitle} 个`);
    const evr = await dp.evaluate(() => {
      const table = document.querySelector('.events-table');
      const evRow = table?.querySelector('tbody tr');
      const cs = evRow ? getComputedStyle(evRow) : null;
      const more = document.getElementById('events-more');
      return {
        shown: (evRow ? table.querySelectorAll('tbody tr').length : 0),
        tag: table?.tagName ?? 'none',
        hasThead: Boolean(table?.querySelector('thead th')),
        headerSameSize: (() => {
          const mon = document.querySelector('.monitor-table thead th');
          const ev = table?.querySelector('thead th');
          return mon && ev ? getComputedStyle(mon).fontSize === getComputedStyle(ev).fontSize : false;
        })(),
        rowBg: cs?.backgroundColor ?? '',
        cellBorder: evRow ? getComputedStyle(evRow.querySelector('td')).borderBottomWidth : '',
        moreHidden: more?.hidden ?? true,
        moreText: more?.textContent ?? '',
        count: document.getElementById('events-count')?.textContent ?? '',
      };
    });
    check('事件区块与监控表格同构（table + thead）', evr.tag === 'TABLE' && evr.hasThead === true && evr.headerSameSize === true, `${evr.tag}，表头字号一致=${evr.headerSameSize}`);
    const evBg = await dp.evaluate(() => {
      const rows = [...document.querySelectorAll('.events-table tbody tr')];
      const down = rows.find((r) => r.dataset.status === 'down');
      const up = rows.find((r) => r.dataset.status === 'up');
      return { down: down ? getComputedStyle(down).backgroundColor : '无', up: up ? getComputedStyle(up).backgroundColor : '无', downCells: down ? down.querySelectorAll('td').length : 0 };
    });
    check('事件行复用表格状态底色（故障行着色、恢复行不染）', /^(color\(|rgba?\(\d)/.test(evBg.down) && evBg.down !== 'rgba(0, 0, 0, 0)' && evBg.up === 'rgba(0, 0, 0, 0)' && evBg.downCells === 4, `故障=${evBg.down.slice(0, 30)} 恢复=${evBg.up} 列数=${evBg.downCells}`);
    // 事件行的四列文字必须落在同一水平线上。此前 clamp2 固定 height:2.8em（36px）、
    // 而徽标只有 17px，单元格按 middle 对齐时两者居中基准不同，
    // 「类型」会比「时间/目标/详情」低约 9px（实测截图确认）。
    const evAlign = await dp.evaluate(() => {
      const rows = [...document.querySelectorAll('.events-table tbody tr')];
      const spreads = [];
      for (const tr of rows) {
        const tops = [];
        for (const td of tr.querySelectorAll('td')) {
          // Range 要用独立实例：selectNodeContents 返回的是布尔值，不是 Range
          const range = document.createRange();
          range.selectNodeContents(td);
          const rects = [...range.getClientRects()];
          if (rects.length) tops.push(Math.round(rects[0].top));
        }
        if (tops.length) spreads.push(Math.max(...tops) - Math.min(...tops));
      }
      return { worst: spreads.length ? Math.max(...spreads) : -1, rows: spreads.length };
    });
    check('事件行各列文字顶端对齐（徽标与文本同一水平线）', evAlign.worst === 0, `最大错位 ${evAlign.worst}px（${evAlign.rows} 行）`);
    // 跨域模式下隐藏刷新按钮（该模式下 /api/refresh 必然被 refreshLocalOnly 挡下）
    const refreshBtnShown = await dp.evaluate(() => !document.getElementById('refresh-btn').hidden);
    check('同源模式下保留刷新按钮', refreshBtnShown === true, `可见=${refreshBtnShown}`);
    check('事件默认折叠为 8 条并可展开', evr.shown === 8 && evr.moreHidden === false && /展开全部 12 条/.test(evr.moreText), `显示 ${evr.shown} 条，按钮「${evr.moreText}」，计数「${evr.count}」`);

    // ---- 事件随分组页签联动 ----
    // 此前 setFilter 只重渲染视图不重渲染事件，且过滤依据用的是 allMonitors()
    // （只受 dataFilter 约束、不受分组影响），导致切页签后事件纹丝不动。
    const evTabs = await dp.evaluate(() => [...document.querySelectorAll('#group-tabs .tab')].map((t) => t.textContent.trim()));
    // 找一个「事件里没有目标」的分组：演示数据的 12 条事件全部挂在 ids[0] 上，
    // 因此要排除 ids[0] 所属的那个分组
    const ids0Group = cfgJson.monitors.find((m) => m.id === ids[0])?.group || '未分组';
    const quietTab = evTabs.find((t) => !t.startsWith('全部') && !t.startsWith(ids0Group));
    check('存在可用于验证的分组页签', Boolean(quietTab), `事件目标属于「${ids0Group}」，可用安静分组：${quietTab ?? '无'}`);
    if (quietTab) {
      await dp.click(`#group-tabs .tab:text-is("${quietTab}")`);
      await dp.waitForTimeout(500);
      const evAfter = await dp.evaluate(() => {
        const visIds = [...document.querySelectorAll('table.monitor-table tbody tr[data-status]')].map((tr) => tr.dataset.id);
        const rows = [...document.querySelectorAll('.events-table tbody tr')];
        return {
          visibleTargets: visIds,
          events: rows.length,
          // 事件行里的目标名必须都属于当前页签可见的目标
          names: rows.map((tr) => tr.querySelector('.ev-name')?.textContent?.trim()),
          hidden: document.getElementById('events').hidden,
        };
      });
      check('切分组页签后事件同步过滤（不再显示其它分组的事件）', evAfter.events === 0 && evAfter.hidden === true,
        `「${quietTab}」页签下事件 ${evAfter.events} 条、区块隐藏=${evAfter.hidden}`);
    }
    await dp.click('#group-tabs .tab:text-matches("^全部")');
    await dp.waitForTimeout(400);
    const evBack = await dp.evaluate(() => document.querySelectorAll('.events-table tbody tr').length);
    check('切回「全部」恢复完整事件', evBack === 8, `${evBack} 条`);
    await dp.click('#events-more');
    await dp.waitForTimeout(300);
    const evExpanded = await dp.evaluate(() => ({ shown: document.querySelectorAll('.events-table tbody tr').length, text: document.getElementById('events-more').textContent }));
    check('展开后显示全部事件', evExpanded.shown === 12 && evExpanded.text === '收起', `显示 ${evExpanded.shown} 条`);
    await dp.close();
    await new Promise((r) => demoServer.close(r));
  } finally {
    fs.rmSync(tmpDir, { recursive: true, force: true });
  }

  // 429 是刷新限流保护在起作用（快速连续导航各触发一次强制探测），面板已优雅降级为只读数据；
  // 这里只把 429 以外的错误视为失败
  const hardErrors = errors.filter((e) => !/429/.test(e));
  check('两种视图无 JS 错误（除限流保护外）', hardErrors.length === 0, hardErrors.length ? hardErrors.join(' | ') : `无；另有 ${errors.length} 次 429 —— 快速连续刷新触发服务端限流，面板已回退到只读数据`);
  await browser.close();

  const failed = results.filter((r) => !r.pass);
  console.log(`\n结果：${results.length - failed.length}/${results.length} 通过`);
  if (failed.length) process.exit(1);
}

main().catch((err) => {
  console.error('FAILED:', err.stack || err.message);
  process.exit(1);
});