// e2e/validate-flow-domains-local.js
// Local Puppeteer script to validate studio opening flow for AvanzaCast
// - Navigates to BROADCAST_URL (VITE_BROADCASTPANEL_URL)
// - Clicks 'Entrar al estudio' (or opens studio route)
// - Opens or navigates the Studio Portal with provided TOKEN and LIVEKIT WS URL
// - Captures logs and a screenshot and writes a result JSON

const fs = require('fs');
const path = require('path');
const puppeteer = require('puppeteer');

(async () => {
  const outDir = path.resolve(__dirname);
  const results = { startedAt: new Date().toISOString(), console: [], navigations: [] };

  const BROADCAST_URL = process.env.VITE_BROADCASTPANEL_URL || process.env.BROADCAST_URL;
  const STUDIO_URL = process.env.VITE_STUDIO_URL || process.env.STUDIO_URL || null;
  const TOKEN = process.env.TOKEN || process.env.E2E_TOKEN;
  const LIVEKIT_WS = process.env.VITE_LIVEKIT_WS_URL || process.env.LIVEKIT_WS;
  const TOKEN_SERVER = process.env.VITE_TOKEN_SERVER_URL || process.env.TOKEN_SERVER_URL;
  const HEADLESS = process.env.HEADLESS === '0' ? false : (process.env.HEADLESS === '1' ? true : true);

  console.log('HEADLESS:', HEADLESS);

  if (!BROADCAST_URL) {
    console.error('BROADCAST_URL (VITE_BROADCASTPANEL_URL) is required');
    process.exit(2);
  }
  if (!TOKEN) {
    console.error('TOKEN env is required (the e2e token to pass to studio)');
    process.exit(2);
  }

  console.log('Broadcast URL:', BROADCAST_URL);
  console.log('Studio URL:', STUDIO_URL || '(not provided)');
  console.log('LiveKit WS:', LIVEKIT_WS || '(not provided)');
  console.log('Token server:', TOKEN_SERVER || '(not provided)');

  const browser = await puppeteer.launch({ headless: HEADLESS, args: ['--no-sandbox', '--disable-setuid-sandbox'] });
  const page = await browser.newPage();
  page.setDefaultNavigationTimeout(30000);

  page.on('console', msg => {
    try { results.console.push({ type: msg.type(), text: msg.text() }); } catch(e){}
  });
  page.on('pageerror', err => { results.console.push({ type: 'pageerror', text: String(err && err.stack ? err.stack : err) }); });

  try {
    await page.goto(BROADCAST_URL, { waitUntil: 'networkidle2' });
    await page.waitForTimeout(1200);

    // Try to find a button or link with text Entrar al estudio or Enter studio
    const texts = ['Entrar al estudio', 'Entrar al Studio', 'Enter studio', 'Enter the studio', 'Entrar al estudio'];
    let clicked = false;
    for (const t of texts) {
      const els = await page.$x(`//a[contains(normalize-space(.), '${t}')] | //button[contains(normalize-space(.), '${t}')]`);
      if (els && els.length) {
        console.log('Found element for text:', t);
        try {
          // attempt to click and wait for popup or navigation
          const popupPromise = new Promise(resolve => {
            const onTarget = target => {
              try { resolve(target); } catch (e) { resolve(null); }
            };
            browser.once('targetcreated', onTarget);
            // safety timeout
            setTimeout(() => { browser.removeListener('targetcreated', onTarget); resolve(null); }, 3000);
          });

          await els[0].click({ delay: 50 }).catch(() => null);
          const popupTarget = await popupPromise;

          // Check for new target (popup)
          let studioPage = null;
          if (popupTarget) {
            try {
              studioPage = await popupTarget.page();
            } catch(e) { studioPage = null; }
          }

          // If no popup, maybe navigation in same page
          if (!studioPage) {
            // Wait for navigation or a url change indicating studio
            await page.waitForTimeout(800);
            const url = page.url();
            if (url.includes('/studio') || url.includes('studio')) {
              studioPage = page;
            }
          }

          // If studioPage found and we have STUDIO_URL, force navigate with token
          if (studioPage) {
            console.log('Studio page found; navigating with token...');
            const targetStudioUrl = STUDIO_URL ? `${STUDIO_URL}?token=${encodeURIComponent(TOKEN)}` : `${page.url().split('?')[0]}?token=${encodeURIComponent(TOKEN)}`;
            await studioPage.goto(targetStudioUrl, { waitUntil: 'networkidle2' });
            results.navigations.push({ type: 'studio_opened', url: studioPage.url() });
            // Wait a bit for LiveKit connect attempts (if any)
            await studioPage.waitForTimeout(2500);
            const shot = path.join(outDir, 'studio_flow_result.png');
            await studioPage.screenshot({ path: shot, fullPage: true });
            results.screenshot = shot;
            clicked = true;
            break;
          } else {
            console.log('Click did not open studio; will try next match');
          }
        } catch (err) {
          console.warn('Click attempt error', err && err.message);
        }
      }
    }

    if (!clicked) {
      // Fallback: try a generic selector or direct navigation
      const altSel = 'a#enter-studio, button#enter-studio, a[data-enter-studio]';
      try {
        const alt = await page.$(altSel);
        if (alt) {
          console.log('Found alternative selector, clicking...');
          await alt.click().catch(() => null);
          await page.waitForTimeout(1000);
        }
      } catch(e){}

      // Fallback: navigate directly to studio with token if STUDIO_URL provided
      if (STUDIO_URL) {
        console.log('Fallback: navigating directly to STUDIO_URL with token');
        const directUrl = `${STUDIO_URL}?token=${encodeURIComponent(TOKEN)}`;
        await page.goto(directUrl, { waitUntil: 'networkidle2' });
        await page.waitForTimeout(1500);
        const shot = path.join(outDir, 'studio_flow_result.png');
        await page.screenshot({ path: shot, fullPage: true });
        results.screenshot = shot;
        results.navigations.push({ type: 'direct_studio', url: directUrl });
      } else {
        console.error('No studio opened and no STUDIO_URL provided for fallback.');
      }
    }

    results.endedAt = new Date().toISOString();
    const outJson = path.join(outDir, 'studio-flow-domains-result.json');
    fs.writeFileSync(outJson, JSON.stringify(results, null, 2));
    console.log('Wrote results to', outJson);

    // Publish artifact (JSON + screenshot) and append run summary to LOG.md
    try {
      const { publishArtifact, appendLog } = require('./logging');
      const artifactUrl = publishArtifact(outJson, 'validate-flow-domains-local') || null;
      appendLog('validate-flow-domains-local', outJson, results, artifactUrl);
    } catch (e) { console.warn('Failed to publish/appenda log entry', e); }

    await browser.close();
    process.exit(0);
  } catch (err) {
    console.error('Error validating flow', err && err.stack ? err.stack : err);
    results.error = String(err && err.stack ? err.stack : err);
    results.endedAt = new Date().toISOString();
    fs.writeFileSync(path.join(outDir, 'studio-flow-domains-result.json'), JSON.stringify(results, null, 2));
    try { await browser.close(); } catch(e){}
    process.exit(1);
  }
})();