// Smoke test for Beat Pocket extension.
// Uses Playwright's bundled Chromium (unbranded — accepts --load-extension)
// to load the extension into beat-battle.net and verify:
//   1. The extension was loaded (extension context exists)
//   2. The content script ran (our markers are in the DOM)
//   3. The page reached a usable state (PLAY button exists)
//
// Run: node scripts/smoke.js

const { chromium } = require('/usr/lib/node_modules/@playwright/test');

const EXT_PATH = '/root/beat-pocket/extension';
const TARGET = 'https://beat-battle.net/';

(async () => {
  const consoleMessages = [];
  const pageErrors = [];

  // Persistent context lets us pass --load-extension at browser launch.
  // (Regular chromium.launch ignores that flag.)
  const userDataDir = '/tmp/bb-smoke-pw-' + Date.now();
  const context = await chromium.launchPersistentContext(userDataDir, {
    headless: true,
    channel: 'chromium', // use playwright's bundled build, not google-chrome
    args: [
      `--disable-extensions-except=${EXT_PATH}`,
      `--load-extension=${EXT_PATH}`,
      '--disable-dev-shm-usage',
      '--no-sandbox',
    ],
    viewport: { width: 414, height: 896 },
  });

  console.log('[smoke] launched persistent context, userDataDir:', userDataDir);

  // Wait for any service worker (background.js) to register
  let backgroundWorkers = context.serviceWorkers();
  if (backgroundWorkers.length === 0) {
    try {
      backgroundWorkers = [await context.waitForEvent('serviceworker', { timeout: 5000 })];
    } catch (e) {
      console.log('[smoke] no service worker registered within 5s:', e.message);
    }
  }
  console.log('[smoke] background workers:', backgroundWorkers.length);
  for (const sw of backgroundWorkers) {
    console.log('  sw url:', sw.url());
  }

  const page = context.pages()[0] || await context.newPage();
  page.on('console', (msg) => {
    consoleMessages.push({ type: msg.type(), text: msg.text() });
  });
  page.on('pageerror', (err) => {
    pageErrors.push(String(err));
  });

  console.log('[smoke] navigating to', TARGET);
  await page.goto(TARGET, { waitUntil: 'domcontentloaded', timeout: 30000 });

  // Give the content script time to run, since run_at is document_idle
  await page.waitForTimeout(3000);

  // === Check 1: extension context ===
  const extensionIds = context.backgroundPages().length;
  console.log('[smoke] background pages:', extensionIds);

  // === Check 2: content script markers in DOM ===
  const markers = await page.evaluate(() => {
    const all = document.querySelectorAll('[class*="bbp-"], [data-bbp], #bbp-overlay-host, #bbp-chat-drawer');
    return Array.from(all).slice(0, 25).map((el) => ({
      tag: el.tagName.toLowerCase(),
      id: el.id || null,
      cls: el.className && typeof el.className === 'string' ? el.className.slice(0, 120) : null,
    }));
  });
  console.log('[smoke] BBP markers in DOM:', markers.length);
  for (const m of markers) console.log('  ', m);

  // === Check 3: page rendered (PLAY button) ===
  const playVisible = await page.locator('button:has-text("PLAY")').first().isVisible().catch(() => false);
  const loginVisible = await page.locator('a:has-text("LOG IN")').first().isVisible().catch(() => false);
  console.log('[smoke] PLAY button visible:', playVisible);
  console.log('[smoke] LOG IN chip visible:', loginVisible);

  // === Check 4: did our bbp:phase events fire? ===
  const phaseEvents = await page.evaluate(() => {
    const evt = new Event('bbp-test');
    return { hasGlobalListener: !!window.__bbp_phase_history__ };
  });
  console.log('[smoke] phase event hook:', phaseEvents);

  // === Check 5: console output from our content script ===
  const ourConsole = consoleMessages.filter((m) =>
    /beat pocket|bbp:|beat-pocket/i.test(m.text)
  );
  console.log('[smoke] console lines from extension:', ourConsole.length);
  for (const m of ourConsole.slice(0, 10)) console.log('  ', m.type, m.text);

  // === Check 6: page errors ===
  console.log('[smoke] page errors:', pageErrors.length);
  for (const e of pageErrors.slice(0, 5)) console.log('  ', e.slice(0, 200));

  // Screenshot for the report
  await page.screenshot({ path: '/tmp/bb-smoke.png', fullPage: false });
  console.log('[smoke] screenshot saved: /tmp/bb-smoke.png');

  await context.close();
  console.log('[smoke] DONE');
})().catch((e) => {
  console.error('[smoke] FAILED:', e);
  process.exit(1);
});