#!/usr/bin/env node
/* 三态主题专项验证：日间 / 夜间 / 自动 + iframe 同步。 */
import { readFileSync } from 'fs';
import { join } from 'path';

const ROOT = process.cwd();
const BASE = process.env.REG_BASE || 'http://127.0.0.1:3311';
let fail = 0;
const ok = (condition, message) => {
  console.log((condition ? 'PASS' : 'FAIL') + ' ' + message);
  if (!condition) fail++;
};

const app = readFileSync(join(ROOT, 'site/app.js'), 'utf8');
const index = readFileSync(join(ROOT, 'site/index.html'), 'utf8');
const css = readFileSync(join(ROOT, '.design_library/aurora-admin/colors_and_type.css'), 'utf8');
ok(/prefers-color-scheme/.test(app), '静态：支持 prefers-color-scheme');
ok(/localStorage\.setItem\(['"]aa-mode/.test(app), '静态：持久化 aa-mode');
ok(/data-mode="auto"/.test(index), '静态：站点包含自动模式选项');
ok(/html\.aa-dark/.test(css), '静态：暗色令牌入口存在');

let chromium;
try {
  ({ chromium } = await import('playwright'));
} catch {
  console.error('[FATAL] 未安装 playwright');
  process.exit(2);
}

const browser = await chromium.launch();
try {
  async function siteCase(colorScheme, storedMode, expectedDark, label) {
    const page = await browser.newPage({ colorScheme });
    await page.addInitScript((mode) => localStorage.setItem('aa-mode', mode), storedMode);
    await page.goto(BASE + '/site/index.html', { waitUntil: 'load', timeout: 15000 });
    await page.waitForTimeout(150);
    const result = await page.evaluate(() => ({
      dark: document.documentElement.classList.contains('aa-dark'),
      stored: localStorage.getItem('aa-mode'),
      menu: document.querySelectorAll('#mode-menu [role="radio"]').length,
      auto: document.querySelector('#mode-menu [data-mode="auto"]')?.getAttribute('aria-checked'),
      iframe: Array.from(document.querySelectorAll('iframe')).every((f) => {
        try { return f.contentDocument?.documentElement.classList.contains('aa-dark') === document.documentElement.classList.contains('aa-dark'); } catch { return true; }
      })
    }));
    ok(result.dark === expectedDark, `${label}：aa-dark=${result.dark}`);
    ok(result.stored === storedMode, `${label}：aa-mode=${result.stored}`);
    ok(result.menu === 3 && result.auto === (storedMode === 'auto' ? 'true' : 'false'), `${label}：模式菜单 ARIA`);
    ok(result.iframe, `${label}：iframe 主题同步`);
    await page.close();
  }

  await siteCase('light', 'auto', false, '自动 + 系统日间');
  await siteCase('dark', 'auto', true, '自动 + 系统夜间');
  await siteCase('dark', 'light', false, '手动日间覆盖系统夜间');
  await siteCase('light', 'dark', true, '手动夜间覆盖系统日间');

  const changing = await browser.newPage({ colorScheme: 'light' });
  await changing.addInitScript(() => localStorage.setItem('aa-mode', 'auto'));
  await changing.goto(BASE + '/site/index.html', { waitUntil: 'load', timeout: 15000 });
  await changing.waitForTimeout(100);
  await changing.emulateMedia({ colorScheme: 'dark' });
  await changing.waitForTimeout(100);
  ok(await changing.locator('html').evaluate((el) => el.classList.contains('aa-dark')), '自动模式：系统切换到夜间即时生效');
  await changing.emulateMedia({ colorScheme: 'light' });
  await changing.waitForTimeout(100);
  ok(!(await changing.locator('html').evaluate((el) => el.classList.contains('aa-dark'))), '自动模式：系统切换到日间即时生效');
  await changing.close();

  const menuPage = await browser.newPage({ colorScheme: 'light' });
  await menuPage.addInitScript(() => localStorage.removeItem('aa-mode'));
  await menuPage.goto(BASE + '/site/index.html', { waitUntil: 'load', timeout: 15000 });
  await menuPage.locator('#fab-mode').click();
  await menuPage.locator('#mode-menu [data-mode="dark"]').click();
  ok(await menuPage.evaluate(() => localStorage.getItem('aa-mode') === 'dark' && document.documentElement.classList.contains('aa-dark')), '菜单选择夜间模式');
  await menuPage.close();

  const switcher = await browser.newPage({ colorScheme: 'light' });
  await switcher.addInitScript(() => localStorage.removeItem('aa-mode'));
  await switcher.goto(BASE + '/frameworks/ThemeSwitcher.html', { waitUntil: 'load', timeout: 15000 });
  const modes = await switcher.locator('.aa-themesw-opt').count();
  ok(modes === 3, 'ThemeSwitcher H5：三种模式');
  await switcher.locator('[data-mode="dark"]').click();
  ok(await switcher.locator('html').evaluate((el) => el.classList.contains('aa-dark')), 'ThemeSwitcher H5：夜间模式生效');
  await switcher.locator('[data-mode="auto"]').click();
  ok(await switcher.locator('[data-mode="auto"]').getAttribute('aria-checked') === 'true', 'ThemeSwitcher H5：自动模式 ARIA');
  await switcher.close();
} finally {
  await browser.close();
}

console.log(fail ? `THEME VERIFY FAIL (${fail})` : 'THEME VERIFY OK');
process.exit(fail ? 1 : 0);