// e2e/validate-flow-browserless.js
// Connects to a browserless WebSocket endpoint and validates the BroadcastPanel -> Studio flow
// Expects env vars:
//  BROWSERLESS_WS (wss://...)
//  BROWSERLESS_TOKEN (optional)
//  VITE_BROADCASTPANEL_URL or BROADCAST_URL
//  VITE_STUDIO_URL or STUDIO_URL (optional, fallback to page's url)
//  TOKEN or E2E_TOKEN (token to pass to studio)

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

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

  let ws = process.env.BROWSERLESS_WS || process.env.BWS || '';
  const btoken = process.env.BROWSERLESS_TOKEN || process.env.BWS_TOKEN || '';
  try {
    if (ws && btoken) {
      const hasQuery = ws.includes('?');
      ws = hasQuery ? `${ws}&token=${encodeURIComponent(btoken)}` : `${ws}?token=${encodeURIComponent(btoken)}`;
    }
  } catch (e) {}

  if (!ws) {
    console.error('BROWSERLESS_WS is required');
    process.exit(2);
  }

  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 || '';

  console.log('Connecting to browserless at', ws);
  let browser;
  try {
    browser = await puppeteer.connect({ browserWSEndpoint: ws, ignoreHTTPSErrors: true, defaultViewport: { width: 1366, height: 768 } });
  } catch (err) {
    console.error('Failed to connect to browserless:', err && err.message ? err.message : err);
    process.exit(2);
  }

  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 {
    if (!BROADCAST_URL) {
      console.error('BROADCAST_URL (VITE_BROADCASTPANEL_URL) is required');
      await browser.disconnect();
      process.exit(2);
    }

    await page.goto(BROADCAST_URL, { waitUntil: 'networkidle2' });
    await page.waitForTimeout(1500);

    const texts = ['Entrar al estudio', 'Entrar al Studio', 'Entrar al Estudio', 'Entrar al Studio', 'Enter studio', 'Enter the studio', 'Enter the studio'];
    let clicked = false;

    for (const t of texts) {
      const els = await page.$x(`//a[contains(normalize-space(.), '${t}')] | //button[contains(normalize-space(.), '${t}')] | //span[contains(normalize-space(.), '${t}')]`);
      if (els && els.length) {
        console.log('Found element for text:', t, 'count=', els.length);
        try {
          // Try click and wait for targetcreated or navigation
          const popupPromise = new Promise(resolve => {
            const onTarget = target => { resolve(target); };
            browser.once('targetcreated', onTarget);
            setTimeout(() => { try { browser.removeListener('targetcreated', onTarget) } catch(e){}; resolve(null); }, 3000);
          });

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

          let studioPage = null;
          if (popupTarget) {
            try { studioPage = await popupTarget.page(); } catch (e) { studioPage = null; }
          }

          if (!studioPage) {
            await page.waitForTimeout(800);
            const url = page.url();
            if (url.includes('/studio') || url.includes('studio') || url.includes('avanzacast-studio')) studioPage = page;
          }

          if (studioPage) {
            console.log('Studio page found; navigating with token...');
            const targetStudioUrl = STUDIO_URL ? `${STUDIO_URL}?token=${encodeURIComponent(TOKEN)}` : `${studioPage.url().split('?')[0]}?token=${encodeURIComponent(TOKEN)}`;
            await studioPage.goto(targetStudioUrl, { waitUntil: 'networkidle2' });
            results.navigations.push({ type: 'studio_opened', url: studioPage.url() });
            await studioPage.waitForTimeout(2500);
            const shot = path.join(outDir, 'studio_flow_browserless_result.png');
            await studioPage.screenshot({ path: shot, fullPage: true });
            results.screenshot = shot;
            clicked = true;
            break;
          } else {
            console.log('Click did not open studio for text:', t);
          }

        } catch (err) {
          console.warn('Click attempt error', err && err.message);
        }
      }
    }

    if (!clicked) {
      // fallback: try alternative selectors
      const altSel = 'a#enter-studio, button#enter-studio, a[data-enter-studio], button[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 URL with token
      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_browserless_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, 'validate-flow-browserless-result.json');
    fs.writeFileSync(outJson, JSON.stringify(results, null, 2));
    console.log('Wrote results to', outJson);

    // Publish artifact and append run summary to LOG.md
    try {
      const { publishArtifact, appendLog } = require('./logging');
      const artifactUrl = publishArtifact(outJson, 'validate-flow-browserless') || null;
      appendLog('validate-flow-browserless', outJson, results, artifactUrl);
    } catch (e) { console.warn('Failed to write LOG.md entry', e); }

    try { await browser.disconnect(); } catch(e) { try { await browser.close(); } catch(e){} }
    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, 'validate-flow-browserless-result.json'), JSON.stringify(results, null, 2));
    try { await browser.disconnect(); } catch(e) { try { await browser.close(); } catch(e){} }
    process.exit(1);
  }
})();