const { chromium } = require('playwright');
const fs = require('fs');

(async () => {
  const APP = process.env.APP;
  const URL = 'http://127.0.0.1:8077/';
  const browser = await chromium.launch({
    headless: true,
    args: ['--no-sandbox', '--enable-unsafe-swiftshader', '--use-gl=angle', '--use-angle=swiftshader', '--ignore-gpu-blocklist'],
  });
  const page = await browser.newPage({ viewport: { width: 1100, height: 800 } });
  const errors = [], pageerrors = [], notfound = [];
  page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
  page.on('pageerror', (e) => pageerrors.push(String(e)));
  page.on('response', (r) => { if (r.status() === 404) notfound.push(r.url().replace(/^https?:\/\/[^/]+/, '')); });

  await page.goto(URL, { waitUntil: 'networkidle' });

  // --- DEMO scene + walk test ---
  await page.click('#btn-demo');
  await page.waitForFunction('window.__genreconReady === true', { timeout: 20000 });
  await page.waitForTimeout(1400);                         // settle on floor
  const params = await page.evaluate('window.__params');
  const demoTris = await page.evaluate('window.__genreconTris');
  const cam0 = await page.evaluate('window.__genreconCam');
  await page.evaluate(() => document.dispatchEvent(new KeyboardEvent('keydown', { code: 'KeyW' })));
  await page.waitForTimeout(1000);
  const dbg = await page.evaluate('window.__dbg');
  await page.evaluate(() => document.dispatchEvent(new KeyboardEvent('keyup', { code: 'KeyW' })));
  const cam1 = await page.evaluate('window.__genreconCam');
  const walkDist = Math.hypot(cam1[0] - cam0[0], cam1[2] - cam0[2]);
  await page.screenshot({ path: APP + '/test-demo.png' });

  // --- full upload→reconstruct(mock)→viewer flow ---
  const fake = APP + '/_fakevid.mp4';
  fs.writeFileSync(fake, Buffer.alloc(4096, 1));
  await page.goto(URL, { waitUntil: 'networkidle' });
  await page.setInputFiles('#file-input', fake);
  await page.waitForSelector('#view-progress.active', { timeout: 5000 });
  await page.waitForSelector('#view-viewer.active', { timeout: 40000 });
  await page.waitForFunction('window.__genreconReady === true', { timeout: 20000 });
  await page.waitForTimeout(800);
  const uploadTris = await page.evaluate('window.__genreconTris');
  await page.screenshot({ path: APP + '/test-upload.png' });

  console.log(JSON.stringify({
    errors, pageerrors, notfound: [...new Set(notfound)],
    params, demoTris, cam0, cam1, walkDist, dbg, uploadTris,
  }, null, 2));
  await browser.close();
})().catch((e) => { console.error('TEST_FAIL', e); process.exit(1); });