#!/usr/bin/env node
/**
 * 端切换双向验证（2026-11-10）
 *
 * 复现用户实测的完整流程：
 *   ① 桌面端宽屏 → 缩窄 → 提示切移动端 ✅
 *   ② 点「切换」→ 进入移动端
 *   ③ **把窗口放大回桌面尺寸 → 必须提示切回桌面端**（用户反馈这里失效）
 *   ④ 点「切换」→ 回到桌面端
 */
import { chromium } from 'playwright';
import { mkdir } from 'node:fs/promises';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';

const here = dirname(fileURLToPath(import.meta.url));
const outDir = resolve(here, '..', 'test-results', 'switch-both-ways');
const BASE = process.env.BASE_URL || 'http://127.0.0.1:4300';
await mkdir(outDir, { recursive: true });

const browser = await chromium.launch({ channel: 'chrome' });
const page = await browser.newPage({ viewport: { width: 1440, height: 900 } });
const errors = [];
page.on('pageerror', (e) => errors.push(String(e)));
const results = [];

await page.goto(`${BASE}/desktop/chat`, { waitUntil: 'domcontentloaded' });
await page.waitForTimeout(8000);

// ① 缩窄 → 桌面端提示
await page.setViewportSize({ width: 600, height: 900 });
await page.waitForTimeout(900);
const hint1 = await page.locator('.narrow-desktop').count();
results.push(['① 桌面缩窄 → 提示切移动端', hint1 === 1, `hint=${hint1}`]);

// ② 点切换 → 进入移动端
const goMobile = page.locator('.narrow-btn', { hasText: '切换到手机端' });
if (await goMobile.count()) {
  await goMobile.first().click();
  await page.waitForTimeout(2500);
}
const onMobile = page.url().includes('/mobile');
results.push(['② 点切换 → 进入移动端', onMobile, page.url()]);

// ③ 🔴 放大回桌面尺寸 → 移动端应提示切回桌面
await page.setViewportSize({ width: 1440, height: 900 });
await page.waitForTimeout(1200);
const hint2 = await page.locator('.wide-mobile').count();
await page.screenshot({ path: `${outDir}/1-mobile-wide-hint.png` });
results.push(['③ 🔴 放大 → 提示切回桌面端', hint2 === 1, `hint=${hint2}`]);

// ④ 点切换 → 回到桌面端
const goDesktop = page.locator('.wide-btn', { hasText: '切换到桌面端' });
if (await goDesktop.count()) {
  await goDesktop.first().click();
  await page.waitForTimeout(2500);
}
const backDesktop = page.url().includes('/desktop');
await page.screenshot({ path: `${outDir}/2-back-desktop.png` });
results.push(['④ 点切换 → 回到桌面端', backDesktop, page.url()]);

// ⑤ 回到桌面后不应再提示
await page.waitForTimeout(1000);
const hint3 = await page.locator('.narrow-desktop').count();
results.push(['⑤ 已切回桌面 → 不再提示', hint3 === 0, `hint=${hint3}`]);

let pass = true;
console.log('\n=== 结果 ===');
for (const [name, ok, detail] of results) {
  if (!ok) pass = false;
  console.log(`${ok ? '✓' : '✗'} ${name}  (${detail})`);
}
if (errors.length) {
  pass = false;
  console.log('页面错误：', errors.slice(0, 2).join(' | '));
}
console.log(`\n${pass ? '✓ 全部通过' : '✗ 存在失败项'}`);
await browser.close();
process.exit(pass ? 0 : 1);