const browser = require('../browser');

module.exports = async ({ url, waitUntil = 'domcontentloaded' }) => {
  if (!url) throw new Error('URL é obrigatória');
  await browser.start();
  const p = await browser.ensurePage();
  const currentUrl = p.url();
  
  if (currentUrl && currentUrl !== 'about:blank') {
    try {
      const targetUrl = new URL(url);
      if (currentUrl.includes(targetUrl.hostname)) {
        const result = await browser.goto(url, { waitUntil });
        return { success: true, ...result, tab: 'reused' };
      }
    } catch (e) {}
    await browser.newTab(url);
    const newPage = browser.page;
    return { success: true, url, title: await newPage.title(), tab: 'new' };
  }
  
  const result = await browser.goto(url, { waitUntil });
  return { success: true, ...result, tab: 'existing' };
};