const { chromium } = require('playwright');
const TARGET_URL = process.env.TARGET_URL || 'http://localhost:3003';

(async () => {
  const browser = await chromium.launch({ headless: true, args: ['--no-sandbox', '--disable-setuid-sandbox'] });
  const page = await browser.newPage();
  const errors = [];
  page.on('console', msg => { if (msg.type() === 'error') errors.push(msg.text()); });
  page.on('pageerror', err => { errors.push('PAGE: ' + err.message); });
  page.on('requestfailed', req => { errors.push('NET: ' + req.url()); });

  await page.goto(TARGET_URL, { waitUntil: 'domcontentloaded', timeout: 30000 });
  await page.waitForTimeout(2000);

  for (const tab of ['overview','agents','history','recommendations','heatmap','impact']) {
    try {
      await page.click(`button[onclick="switchTab('${tab}')"]`);
      await page.waitForTimeout(1000);
    } catch(e) {}
  }
  await page.waitForTimeout(500);
  await browser.close();

  console.log('TOTAL ERRORS:', errors.length);
  if (errors.length > 0) {
    errors.forEach((e, i) => console.log(i + ':', e.slice(0, 120)));
  } else {
    console.log('Console error monitor — Dashboard');
    console.log('Console errors: 0');
    console.log('Network errors: 0');
  }
})();