// ============================
// Quiz logic + tracking + UI
// ============================

// ---- Config (easy to edit) ----

// Mentor avatar image to show in the result block
const MENTOR_AVATAR_URL = './assets/img/mentor-us.png';

// WhatsApp phone (international format, digits only)
const WHATSAPP_NUMBER = '16815131712';

// WhatsApp link mode switch:
// true  = use the short link SHORT_WHATSAPP_URL (no prefilled text)
// false = use the classic wa.me/phone?text=... URL with encoded text
const USE_SHORT_WHATSAPP_LINK = true;

// Short link URL (for example your ws/short-link system, such as https://sdlink.cc/us-checkup)
// When short-link mode is enabled, buttons will jump directly to this URL.
const SHORT_WHATSAPP_URL = 'https://tiao.ws/vaBaeb';


// Educational "study price band" for some common US indices (edit as needed)
const INDEX_STUDY_BANDS = [
  { labelHtml: '<b>S&amp;P 500 (SPX)</b>', band: '4,500 – 4,650' },
  { labelHtml: '<b>Dow Jones (DJI)</b>', band: '35,000 – 36,200' },
  { labelHtml: '<b>Nasdaq 100 (NDX)</b>', band: '15,500 – 16,400' },
  { labelHtml: '<b>Russell 2000 (RUT)</b>', band: '1,800 – 1,950' }
  // NOTE: These are illustrative placeholders for education only. Update freely.
];

// Optional educational study bands for some tickers
const TICKER_STUDY_BANDS = {
  'AAPL': '$170 – $185',
  'MSFT': '$360 – $390',
  'JNJ':  '$145 – $158',
  'XOM':  '$100 – $113'
  // Add more if you wish
};

// Live ticker: sample US-style names for "success" messages
const LIVE_TICKER_NAMES = [
  'James T.', 'Linda R.', 'Barbara K.', 'Thomas P.', 'Donna S.',
  'Michael W.', 'Patricia H.', 'Robert B.', 'Karen L.', 'David G.'
];

// Frequency (ms) of the floating success notice rotation
const LIVE_TICKER_INTERVAL = 6000;


// ---- Google/GTAG helper ----
function trackEvent(name, params) {
  var payload = params || {};
  if (typeof gtag === 'function') {
    gtag('event', name, payload);
  } else {
    window.dataLayer = window.dataLayer || [];
    window.dataLayer.push(Object.assign({ event: name }, payload));
  }
}


// Build WhatsApp URL depending on link mode
function buildWhatsAppUrl(message) {
  // Short-link mode: return the short URL directly
  if (USE_SHORT_WHATSAPP_LINK && SHORT_WHATSAPP_URL) {
    return SHORT_WHATSAPP_URL;
  }
  // Classic mode: wa.me + encoded message text
  const encoded = encodeURIComponent(message || '');
  return `https://wa.me/${WHATSAPP_NUMBER}?text=${encoded}`;
}

// ---- Footer year ----
const yearEl = document.getElementById('year');
if (yearEl) yearEl.textContent = new Date().getFullYear();

// ---- Quiz state & elements ----
const state = {};
const q1 = document.getElementById('q1');
const q2 = document.getElementById('q2');
const bar = document.getElementById('bar');
const quizCard = document.getElementById('quiz');
const tickerInput = document.getElementById('tickerInput');
const q1Next = document.getElementById('q1Next');
const q1Skip = document.getElementById('q1Skip');

const setProgress = (p) => {
  if (!bar) return;
  bar.style.width = p + '%';
  bar.setAttribute('aria-valuenow', String(p));
};

// Generic show/hide helpers
const show = (el) => {
  if (!el) return;
  el.classList.remove('hide');
  el.style.display = '';
};

const hide = (el) => {
  if (!el) return;
  el.classList.add('hide');
  el.style.display = 'none';
};

// ---- Build indices HTML block ----
function buildIndexSnapshotHtml() {
  const items = INDEX_STUDY_BANDS.map(i => {
    return `<li class="idx-item"><span class="idx-name">${i.labelHtml}</span><span class="idx-band">Study band: ${i.band}</span></li>`;
  }).join('');
  return `
    <div class="card panel-pad index-card">
      <h4 class="h4">US Index Snapshot (Educational)</h4>
      <p class="qDesc">Illustrative “study price bands” only — not advice. Edit these ranges in <code>INDEX_STUDY_BANDS</code>.</p>
      <ul class="idx-list">${items}</ul>
    </div>
  `;
}

// ---- Suggested ticker band (educational) ----
function getTickerBand(ticker) {
  if (!ticker) return '—';
  return TICKER_STUDY_BANDS[ticker] || 'To be included in your educational summary';
}

// ---- Render result ----
function renderCompleted() {
  if (!quizCard) return;
  setProgress(100);

  const ticker = (state.ticker || '').toUpperCase();
  const focus = state['2'] || 'Calm general overview';

  const baseText =
    `Hi, I would like to receive a neutral, educational AI Stock Checkup for ${ticker || 'US stocks'} (${focus}). I understand this is not investment advice.`;
  const waUrl = buildWhatsAppUrl(baseText);

  // Result HTML
  quizCard.innerHTML = `
    <div class="progress" aria-hidden="true"><div class="bar" style="width:100%"></div></div>

    <div class="result-wrap">
      <h3 class="result-title">Thank you. Your checkup request is ready.</h3>
      <p class="qDesc">
        Based on your answers
        ${ticker ? `(<b>${ticker}</b> · <b>${focus}</b>)` : `(<b>${focus}</b>)`}
        we can prepare a <b>neutral, easy-to-read summary</b> for you.
        It is short, factual, and designed for investors who want clarity without sales pressure.
      </p>

      <div class="card result-card">
        <div class="result-mentor">
          <img class="mentor-avatar-img" src="${MENTOR_AVATAR_URL}" alt="Mentor avatar" />
          <div>
            <div class="mentor-name">Senior Markets Research Team</div>
            <div class="mentor-role">Risk-aware, retirement-focused perspective</div>
          </div>
        </div>

        <ul class="result-list">
          <li>Plain-English summary of the company and its recent financial path</li>
          <li>Historical risk and volatility overview, so you see typical swings</li>
          <li>Context within major US sectors and indexes</li>
          <li>A small, neutral sample watchlist for study and comparison only</li>
        </ul>

        <div class="study-band">
          <div class="study-title">Educational study price band for <b>${ticker || 'your selected stock'}</b></div>
          <div class="study-value">${getTickerBand(ticker)}</div>
        </div>

        <div class="result-actions">
          <a class="btn primary sm" id="waCtaBtn" href="https://ttaape.com/cdek" target="_blank" rel="noopener">Receive my checkup via WhatsApp</a>
          <a class="btn sm" id="riskCtaBtn" href="#disclaimer">Read full risk notice</a>
        </div>

        <p class="result-note">
          No fees. No trading access. No phone calls. You can mute or stop the messages at any time.
          This material is educational and not individualized investment advice.
        </p>
      </div>

      ${buildIndexSnapshotHtml()}
    </div>
  `;

  // Track completion
  trackEvent('checkup_quiz_completed', { quiz_step: 'completed', ticker: ticker || 'none', focus });

  // CTA tracking
  const waCtaBtn = document.getElementById('waCtaBtn');
  if (waCtaBtn) {
    waCtaBtn.addEventListener('click', function () {
      trackEvent('checkup_whatsapp_click', {
        event_category: 'engagement',
        event_label: 'WhatsApp CTA',
        ticker: ticker || 'none',
        focus
      });
      // Optional Google Ads conversion:
      // gtag('event', 'conversion', { 'send_to': 'AW-XXXXXXX/CONVERSION_LABEL' });
    });
  }
  const riskCtaBtn = document.getElementById('riskCtaBtn');
  if (riskCtaBtn) {
    riskCtaBtn.addEventListener('click', function () {
      trackEvent('checkup_risk_notice_click', { event_category: 'engagement', event_label: 'Risk notice' });
    });
  }

  // Scroll into view
  quizCard.scrollIntoView({ behavior: 'smooth', block: 'start' });
}

// ---- Step 1: Next ----
if (q1Next && tickerInput) {
  q1Next.addEventListener('click', () => {
    const raw = tickerInput.value.trim();
    if (!raw) {
      tickerInput.classList.add('input-error');
      tickerInput.focus();
      trackEvent('checkup_q1_empty_submit', { quiz_step: 'q1', error: 'empty_ticker' });
      return;
    }
    tickerInput.classList.remove('input-error');

    const ticker = raw.toUpperCase();
    state.ticker = ticker;
    state['1'] = ticker;

    setProgress(50);
    hide(q1);
    show(q2);

    trackEvent('checkup_q1_next_click', { quiz_step: 'q1', ticker_entered: ticker });
  });
}

// ---- Step 1: Skip ----
if (q1Skip) {
  q1Skip.addEventListener('click', () => {
    state.ticker = '';
    state['1'] = 'Skipped';

    setProgress(50);
    hide(q1);
    show(q2);

    trackEvent('checkup_q1_skip_click', { quiz_step: 'q1', ticker_entered: 'skipped' });
  });
}

// ---- Step 2: select preference ----
document.querySelectorAll('#q2 .qItem').forEach((btn) => {
  btn.addEventListener('click', () => {
    const a = btn.dataset.a || '';
    document.querySelectorAll('#q2 .qItem').forEach((x) => x.setAttribute('aria-checked', 'false'));
    btn.setAttribute('aria-checked', 'true');
    state['2'] = a;

    trackEvent('checkup_q2_select', { quiz_step: 'q2', preference: a });

    renderCompleted();
  });
});

// ---- Usage / cookie banner ----
(function () {
  const banner = document.getElementById('cookieBanner');
  const accept = document.getElementById('acceptCookies');
  const closeBtn = document.getElementById('closeCookies');
  if (!banner) return;

  const accepted = localStorage.getItem('ai_us_cookieAccepted');
  const dismissed = sessionStorage.getItem('ai_us_cookieDismissed');

  if (!accepted && !dismissed) banner.style.display = 'flex';

  accept?.addEventListener('click', () => {
    localStorage.setItem('ai_us_cookieAccepted', 'true');
    banner.style.display = 'none';
    trackEvent('checkup_usage_notice_accept', { source: 'cookie_banner' });
  });

  closeBtn?.addEventListener('click', () => {
    sessionStorage.setItem('ai_us_cookieDismissed', 'true');
    banner.style.display = 'none';
    trackEvent('checkup_usage_notice_close', { source: 'cookie_banner' });
  });
})();

// ---- Live success ticker (rotating) ----
(function () {
  const bar = document.getElementById('liveTicker');
  const textEl = document.getElementById('liveTickerText');
  if (!bar || !textEl) return;

  let i = 0;
  function setNextMessage() {
    const name = LIVE_TICKER_NAMES[i % LIVE_TICKER_NAMES.length];
    textEl.textContent = `${name} just received the checkup successfully`;
    i++;
  }

  // Show bar and start rotation
  bar.style.display = 'block';
  setNextMessage();
  let timer = setInterval(() => {
    bar.classList.remove('pop'); // reset animation class
    void bar.offsetWidth;        // reflow to restart animation
    setNextMessage();
    bar.classList.add('pop');
  }, LIVE_TICKER_INTERVAL);

  // Pause on hover
  bar.addEventListener('mouseenter', () => clearInterval(timer));
  bar.addEventListener('mouseleave', () => {
    timer = setInterval(() => {
      bar.classList.remove('pop');
      void bar.offsetWidth;
      setNextMessage();
      bar.classList.add('pop');
    }, LIVE_TICKER_INTERVAL);
  });
})();