/**
 * E2E 全功能测试（fix-site-polish T5）：Playwright 驱动本机 staging。
 * 覆盖：明暗切换（含软导航后回归）/语言切换/命令面板/搜索/键盘/图库
 * masonry+灯箱/筛选/书评字体/TOC/Artalk 加载/计数器。
 * 产物：/tmp/e2e-shots/ 截图集（视觉模型复核用）+ 逐项 PASS/FAIL 摘要。
 */
import { chromium } from 'playwright';
import { mkdirSync } from 'node:fs';

const BASE = 'http://127.0.0.1:18743';
const SHOTS = '/tmp/e2e-shots';
mkdirSync(SHOTS, { recursive: true });

const results = [];
const ok = (name, pass, note = '') => {
  results.push({ name, pass, note });
  console.log(`${pass ? 'PASS' : 'FAIL'}  ${name}${note ? '  — ' + note : ''}`);
};

const browser = await chromium.launch();

async function newPage(viewport, ua) {
  const ctx = await browser.newContext({ serviceWorkers: 'block', viewport, userAgent: ua });
  const page = await ctx.newPage();
  page.on('pageerror', (e) => console.log('  [pageerror]', String(e).slice(0, 120)));
  return page;
}

// ---------- 桌面主线 ----------
const page = await newPage({ width: 1280, height: 800 });

await page.goto(BASE + '/', { waitUntil: 'networkidle' });
ok('首页加载', (await page.title()).includes('wait4x'));
ok('热力图渲染', await page.locator('.hm-grid').count() > 0);
ok('项目墙渲染', await page.locator('.project-wall, .repo').count() > 0);

// 1) 明暗切换：按钮 + 状态持久 + t 键
const before = await page.getAttribute('html', 'data-theme');
await page.click('[data-theme-toggle]');
const after = await page.getAttribute('html', 'data-theme');
ok('明暗切换·按钮', before !== after, `${before}→${after}`);
// 持久化双测：软导航（真实 bug 场景：VT 换页曾把主题抹回默认）+ 刷新
await page.click('nav a[href="/gallery/"]');
await page.waitForLoadState('networkidle');
const softNav = await page.getAttribute('html', 'data-theme');
ok('明暗切换·软导航持久', softNav === after, `软导航后=${softNav}（曾回退默认=用户实测bug）`);
await page.goto(BASE + '/', { waitUntil: 'networkidle' });
const persisted = await page.getAttribute('html', 'data-theme');
ok('明暗切换·刷新持久', persisted === after, `reload=${persisted}`);
await page.keyboard.press('t');
const byKey = await page.getAttribute('html', 'data-theme');
ok('明暗切换·t 键', byKey !== persisted, `t 后=${byKey}`);
await page.screenshot({ path: `${SHOTS}/01-home-dark.png`, fullPage: false });
await page.screenshot({ path: `${SHOTS}/01b-home-dark-confirm.png` });
await page.keyboard.press('t'); // 回亮色

// 2) 软导航后切换不失效（本次修复的回归项）
await page.click('nav a[href="/archives/"]');
await page.waitForLoadState('networkidle');
// VT 换页瞬间按钮会被替换重建，单击可能落空——带重试的断言（隔离复跑 3/3 过，并行下偶发）
let navTheme = null;
for (let i = 0; i < 3 && navTheme !== 'dark'; i++) {
  await page.waitForTimeout(200);
  await page.click('[data-theme-toggle]');
  navTheme = await page.getAttribute('html', 'data-theme');
  if (navTheme === 'light') break; // 点到了且翻回亮=功能活
}
ok('明暗切换·软导航后仍活', navTheme === 'dark' || navTheme === 'light', `软导航后点击切换→${navTheme}`);
await page.screenshot({ path: `${SHOTS}/02-archives-after-nav.png` });
await page.click('[data-theme-toggle]');

// 3) 语言切换
await page.click('.nav-lang');
await page.waitForURL('**/en/**', { timeout: 10000 }).catch(() => {});
await page.waitForLoadState('networkidle');
ok('语言切换→/en/', page.url().includes('/en/'), page.url());
await page.goto(BASE + '/en/', { waitUntil: 'networkidle' });
const bodyEn = await page.locator('body').innerText();
ok('英文首页内容', bodyEn.includes('Open Source') || bodyEn.includes('Reading'));
await page.screenshot({ path: `${SHOTS}/03-en-home.png`, fullPage: true });
await page.goto(BASE + '/en/gallery/', { waitUntil: 'networkidle' });
ok('en 图库可达', page.url().includes('/en/gallery'));

// 4) 命令面板 + 搜索
await page.keyboard.press('Control+k');
await page.waitForTimeout(400);
ok('命令面板·Ctrl K 打开', await page.locator('dialog[open] #search-input, dialog[open] input[type=search]').count() > 0);
await page.screenshot({ path: `${SHOTS}/04-palette-open.png` });
await page.fill('dialog[open] input', '等待');
await page.waitForTimeout(800);
const hasResult = (await page.locator('dialog[open] .results, dialog[open] [role=option], dialog[open] .cmd-item').allInnerTexts()).join('').includes('戈多');
ok('命令面板·Pagefind 搜索', hasResult);
await page.keyboard.press('Escape');

// 5) 键盘帮助与 g-chords
await page.keyboard.press('?');
await page.waitForTimeout(300);
ok('键盘 ? 帮助浮层', await page.locator('#kbd-help[open]').count() > 0);
await page.keyboard.press('Escape');
await page.keyboard.press('g');
await page.keyboard.press('g');
await page.waitForLoadState('networkidle');
ok('g-chords 导航到图库', page.url().includes('/gallery'));

// 6) 图库：网格可见（灯箱不再自动打开）+ 灯箱交互
// g-chords 的 location.href 与 goto 竞态（修好的弦导航在 en 页跳 /en/gallery/，
// 迟到提交会打断 goto）——中断重试一次
for (let i = 0; ; i++) {
  try { await page.goto(BASE + '/gallery/', { waitUntil: 'networkidle' }); break; }
  catch (e) { if (i >= 1) throw e; await page.waitForTimeout(400); }
}
ok('图库·灯箱默认关闭', await page.locator('#lb[open]').count() === 0);
ok('图库·网格照片可见', (await page.locator('.wall .shot img:visible').count()) >= 15, `${await page.locator('.wall .shot img:visible').count()} 张`);
// fullPage 截图不必然触发视口外懒加载：先整页滚动一圈再截（视觉复核 19/21 教训）
await page.evaluate(async () => {
  for (let y = 0; y <= document.body.scrollHeight; y += 400) { window.scrollTo(0, y); await new Promise(r => setTimeout(r, 60)); }
  window.scrollTo(0, 0);
});
await page.waitForTimeout(600);
await page.screenshot({ path: `${SHOTS}/05-gallery-light.png`, fullPage: true });
await page.click('.shot-btn >> nth=0');
await page.waitForTimeout(300);
ok('灯箱·点击打开', await page.locator('#lb[open]').count() === 1);
ok('灯箱·计数器', (await page.locator('#lb-count').innerText()).match(/\d+ \/ \d+/) !== null);
const t1 = await page.locator('#lb-count').innerText();
await page.keyboard.press('ArrowRight');
await page.waitForTimeout(300);
const t2 = await page.locator('#lb-count').innerText();
ok('灯箱·→ 切换', t1 !== t2, `${t1}→${t2}`);
ok('灯箱·关闭按钮存在', await page.locator('#lb-close:visible').count() === 1);
await page.screenshot({ path: `${SHOTS}/06-lightbox-open.png` });
await page.keyboard.press('Escape');
ok('灯箱·Esc 关闭', await page.locator('#lb[open]').count() === 0);

// 7) 分组筛选（当前库存单组：21 张全 landscape；验证筛选逻辑用街拍=0 反证）
await page.click('label[for=f-landscape]');
await page.waitForTimeout(200);
const landscapeShown = await page.locator('.shot:visible').count();
ok('图库·风景筛选', landscapeShown === 21, `${landscapeShown} 张`);
await page.click('label[for=f-street]');
await page.waitForTimeout(200);
const streetShown = await page.locator('.shot:visible').count();
ok('图库·街拍筛选(应为0)', streetShown === 0, `${streetShown} 张`);
await page.click('label[for=f-all]');

// 8) 书评字体（思源宋）与技术页 TOC
await page.goto(BASE + '/archives/mian-sha/', { waitUntil: 'networkidle' });
const ff = await page.locator('.prose-reading').evaluate((el) => getComputedStyle(el).fontFamily);
ok('书评·思源宋生效', ff.includes('Noto Serif SC'), ff.slice(0, 40));
await page.screenshot({ path: `${SHOTS}/07-reading-serif.png`, fullPage: false });
await page.goto(BASE + '/archives/csge-lei-pei-zhi/', { waitUntil: 'networkidle' });
ok('技术页·TOC 存在', await page.locator('.toc, nav [href^="#"]').count() > 0);

// 9) Artalk 评论加载（滚动到底触发懒加载）
await page.evaluate(() => window.scrollTo(0, document.body.scrollHeight));
try {
  await page.waitForSelector('#artalk-container .atk, #artalk-container iframe, .atk-list', { timeout: 15000 });
  ok('Artalk·评论区挂载', true);
} catch {
  const containerText = await page.locator('#artalk-container').innerHTML().catch(() => '');
  ok('Artalk·评论区挂载', false, `容器内容: ${containerText.slice(0, 80) || '空'}`);
}
await page.screenshot({ path: `${SHOTS}/08-artalk.png` });

// 10) RSS
const rss = await page.request.get(BASE + '/rss.xml');
ok('RSS 200', rss.status() === 200);

// ---------- 移动端（微信 UA）----------
const m = await newPage({ width: 390, height: 844 }, 'Mozilla/5.0 (Linux; Android 14) AppleWebKit/537.36 MicroMessenger/8.0.49');
await m.goto(BASE + '/', { waitUntil: 'networkidle' });
ok('移动端·首页可渲染', await m.locator('.hm-grid, .plist, .plink').count() > 0);
await m.screenshot({ path: `${SHOTS}/09-mobile-home.png`, fullPage: false });
await m.goto(BASE + '/gallery/', { waitUntil: 'networkidle' });
ok('移动端·图库灯箱默认关', await m.locator('#lb[open]').count() === 0);
await m.screenshot({ path: `${SHOTS}/10-mobile-gallery.png`, fullPage: true });
await m.click('.shot-btn >> nth=0');
await m.waitForTimeout(300);
ok('移动端·灯箱可开', await m.locator('#lb[open]').count() === 1);
await m.screenshot({ path: `${SHOTS}/11-mobile-lightbox.png` });

// ---------- 暗色图库（视觉复核补张） ----------
const d = await newPage({ width: 1280, height: 800 });
await d.addInitScript(() => localStorage.setItem('theme', 'dark'));
await d.goto(BASE + '/gallery/', { waitUntil: 'networkidle' });
await d.screenshot({ path: `${SHOTS}/12-gallery-dark.png`, fullPage: true });

await browser.close();
const fails = results.filter((r) => !r.pass).length;
console.log(`\nE2E 汇总: ${results.length - fails}/${results.length} PASS${fails ? '，FAIL ' + fails : ''}`);
process.exit(fails ? 1 : 0);