// scripts/scrape-alicloud-qwen-tts.js — playwright 拿到阿里云页面渲染后 DOM 文本
const { chromium } = require('playwright');
const fs = require('fs');
const os = require('os');
const path = require('path');

(async () => {
  const url = process.argv[2] || 'https://help.aliyun.com/zh/model-studio/qwen-tts-voice-list';
  const out = process.argv[3] || path.join(os.tmpdir(), 'qwen-tts-dom.txt');

  const browser = await chromium.launch({ headless: true });
  const page = await browser.newPage({ userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36' });

  await page.goto(url, { waitUntil: 'domcontentloaded', timeout: 30000 });

  // 等动态内容渲染(阿里云页面通常会做几秒的分批加载)
  for (let i = 0; i < 10; i++) {
    await page.waitForTimeout(2000);
    const tables = await page.locator('table').count();
    console.log(`  attempt ${i + 1}: tables=${tables}`);
    if (tables > 0) break;
  }

  // 渲染后 DOM 文本(去 script/style)
  const text = await page.evaluate(() => {
    document.querySelectorAll('script,style,noscript').forEach(e => e.remove());
    return document.body.innerText;
  });

  fs.writeFileSync(out, text, 'utf8');
  console.log(`dom text: ${text.length} bytes → ${out}`);
  console.log(`first 500 chars:`);
  console.log(text.slice(0, 500));

  await browser.close();
})().catch(e => { console.error(e); process.exit(1); });