import { chromium } from 'playwright';
import { mkdir } from 'node:fs/promises';
import path from 'node:path';

const output = path.resolve(process.argv[2] || 'release-demo.webm');
const version = process.env.TIMMY_RELEASE_VERSION || 'review build';
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
await mkdir(path.dirname(output), { recursive: true });

const browser = await chromium.launch({ headless: true });
const context = await browser.newContext({
  viewport: { width: 405, height: 720 },
  deviceScaleFactor: 1,
  serviceWorkers: 'block',
  recordVideo: { dir: path.dirname(output), size: { width: 405, height: 720 } },
  colorScheme: 'light',
});
const page = await context.newPage();
const errors = [];
page.on('console', message => { if (message.type() === 'error') errors.push(message.text()); });
page.on('pageerror', error => errors.push(error.message));
await page.route('**/api/vision-status', route => route.fulfill({
  status: 200,
  contentType: 'application/json',
  body: JSON.stringify({
    enabled: true,
    profile: 'selfhost',
    processor: 'self-hosted',
    model: 'SmolVLM2-2.2B-Instruct',
    providerReady: true,
    modelSeen: true,
  }),
}));
await page.route('**/api/analyze', route => route.fulfill({
  status: 200,
  contentType: 'application/json',
  body: JSON.stringify({
    status: 'suggestion',
    isStool: true,
    bristolType: 4,
    color: 'brown',
    confidence: 0.83,
    imageQuality: 'good',
    observations: 'Smooth, formed appearance.',
    warning: 'Visual suggestion only. Confirm it yourself; this is not a diagnosis.',
  }),
}));
await page.route('**/api/agent/status', route => route.fulfill({
  status: 200,
  contentType: 'application/json',
  body: JSON.stringify({ enabled: true, configured: true, authenticated: true, mode: 'hermes-agent' }),
}));
let hermesCalls = 0;
await page.route('**/api/agent/chat', route => {
  hermesCalls += 1;
  return route.fulfill({
    status: 200,
    contentType: 'application/json',
    body: JSON.stringify({ connected: true, reply: 'Your confirmed logs are mostly Type 4. I can explain that pattern, but I cannot diagnose a cause.' }),
  });
});

await page.goto('http://127.0.0.1:4173', { waitUntil: 'networkidle' });
await page.evaluate(() => localStorage.clear());
await page.reload({ waitUntil: 'networkidle' });
await page.addStyleTag({ content: `
  #demo-caption{position:fixed;left:16px;right:16px;top:14px;z-index:20000;background:rgba(40,33,29,.94);color:#fff;padding:11px 14px;border-radius:14px;font:800 12px/1.25 system-ui;letter-spacing:.02em;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.2)}
  #demo-touch{position:fixed;z-index:20001;width:48px;height:48px;border:4px solid #fff;background:rgba(245,201,91,.55);box-shadow:0 0 0 7px rgba(21,125,120,.28);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%)}
` });

async function caption(text, duration = 1400) {
  await page.evaluate(text => {
    document.querySelector('#demo-caption')?.remove();
    const node = document.createElement('div');
    node.id = 'demo-caption';
    node.textContent = text;
    document.body.append(node);
    node.animate([{ opacity: 0, transform: 'translateY(-8px)' }, { opacity: 1, transform: 'translateY(0)' }], { duration: 260, fill: 'forwards' });
  }, text);
  await sleep(duration);
}

async function tap(selector, after = 650) {
  const target = page.locator(selector).first();
  await target.scrollIntoViewIfNeeded();
  const box = await target.boundingBox();
  if (!box) throw new Error(`Missing demo target: ${selector}`);
  await page.evaluate(({ x, y }) => {
    document.querySelector('#demo-touch')?.remove();
    const ring = document.createElement('div');
    ring.id = 'demo-touch';
    ring.style.left = `${x}px`;
    ring.style.top = `${y}px`;
    document.body.append(ring);
    ring.animate([{ opacity: .2, transform: 'translate(-50%,-50%) scale(.55)' }, { opacity: 1, transform: 'translate(-50%,-50%) scale(1)' }], { duration: 400 });
    setTimeout(() => ring.remove(), 550);
  }, { x: box.x + box.width / 2, y: box.y + box.height / 2 });
  await sleep(220);
  await target.click();
  await sleep(after);
}

await caption(`TIMMY ${version} • FEATURE DEMO`, 1200);
await caption('Automated checks replay this synthetic path before review', 1200);
await caption('One clear photo action. Manual logging stays one tap away.', 1500);
await tap('[data-scan]', 450);
await page.getByText(/Self-hosted model ready/i).waitFor();
await caption('The self-hosted vision route is ready', 1000);
await page.locator('#ai-photo').setInputFiles('tests/fixtures/synthetic-type4.jpg');
await caption('Nothing uploads until explicit consent', 1100);
await page.locator('#ai-consent').check();
await tap('#analyze-photo', 450);
await page.getByText(/83% confidence/i).waitFor();
await caption('AI may suggest visible form, broad color, and image quality — never symptoms or diagnosis', 1700);
await tap('#use-suggestion', 450);
await caption('The user reviews every suggestion before saving', 1100);
await tap('#close-sheet', 450);
await tap('[data-view="timmy"]', 550);
await page.getByText(/Hermes Agent connected/i).waitFor();
await caption('Hermes Agent connected — free-text, contextual, and server-side', 1400);
await page.locator('#chat-message').fill('What pattern do you see?');
await tap('#send-chat', 500);
await page.getByText(/mostly Type 4/i).waitFor();
await caption('Hermes keeps credentials, tools, and session continuity server-side. Photos stay out of chat.', 1600);
await page.locator('#chat-message').fill('I have rectal bleeding');
await tap('#send-chat', 450);
await page.getByText(/Pause and get medical help/i).waitFor();
if (hermesCalls !== 1) throw new Error('Urgent chat must be intercepted before Hermes');
await caption('Urgent language is intercepted deterministically before Hermes', 1800);
await sleep(400);
await page.evaluate(() => {
  document.querySelector('#demo-caption')?.remove();
  const outro = document.createElement('div');
  outro.id = 'release-outro';
  outro.innerHTML = '<img src="/assets/timmy.svg"><strong>SLEEK. SIMPLE.<br>HERMES-POWERED.</strong><span>User-confirmed guidance — never a diagnosis.</span>';
  Object.assign(outro.style, { position:'fixed', inset:'0', zIndex:'30000', background:'linear-gradient(145deg,#f7f3ea,#f5c95b)', display:'flex', flexDirection:'column', alignItems:'center', justifyContent:'center', textAlign:'center', color:'#28211d', fontFamily:'system-ui', opacity:'0' });
  outro.querySelector('img').style.cssText = 'width:150px;height:150px;filter:drop-shadow(0 14px 16px rgba(63,37,30,.18))';
  outro.querySelector('strong').style.cssText = 'font-size:31px;line-height:1.05;margin:18px 0 12px;letter-spacing:-.04em';
  outro.querySelector('span').style.cssText = 'font-size:13px;font-weight:800;color:#176957';
  document.body.append(outro);
  outro.animate([{opacity:0},{opacity:1}], {duration:500,fill:'forwards'});
});
await sleep(2200);

if (errors.length) throw new Error(`Browser errors: ${errors.join(' | ')}`);
const recording = page.video();
await page.close();
await recording.saveAs(output);
await context.close();
await browser.close();
console.log(output);