#!/usr/bin/env node
/**
 * Console error monitor for dashboard SPA — clicks all tabs
 */
const { chromium } = require('playwright');
const fs = require('fs');
const path = require('path');

const TARGET_URL = process.env.TARGET_URL || 'http://host.docker.internal:3003';
const REPORTS_DIR = process.env.REPORTS_DIR || path.join(__dirname, '..', 'reports');

(async () => {
  const browser = await chromium.launch({ headless: true, args: ['--no-sandbox'] });
  const context = await browser.newContext({ viewport: { width: 1280, height: 720 } });
  const page = await context.newPage();
  const consoleErrors = [];
  const networkErrors = [];

  page.on('console', msg => {
    if (msg.type() === 'error' && !msg.text().includes('favicon')) consoleErrors.push(msg.text());
  });
  page.on('requestfailed', req => {
    const url = req.url();
    if (!url.includes('favicon')) networkErrors.push(url + ' | ' + req.failure().errorText);
  });

  console.log('Console error check for', TARGET_URL);
  await page.goto(TARGET_URL, { waitUntil: 'domcontentloaded', timeout: 30000 });
  await page.waitForTimeout(2000);

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

  await page.waitForTimeout(1000);
  await browser.close();

  console.log('');
  console.log('═════════════════════════════════════════');
  console.log('  Console Error Monitor — Dashboard');
  console.log('═════════════════════════════════════════');
  console.log('  Console errors:', consoleErrors.length);
  console.log('  Network errors:', networkErrors.length);
  if (consoleErrors.length > 0) consoleErrors.forEach(e => console.log('  ', e.slice(0, 120)));
  if (networkErrors.length > 0) networkErrors.forEach(e => console.log('  NET', e.slice(0, 120)));
  console.log('═════════════════════════════════════════');

  fs.mkdirSync(REPORTS_DIR, { recursive: true });
  fs.writeFileSync(path.join(REPORTS_DIR, 'console-errors-dashboard.json'), JSON.stringify({ url: TARGET_URL, consoleErrors, networkErrors, timestamp: new Date().toISOString() }, null, 2));
})();