// Temporary, admin-controlled heads-up shown right above any wallet-connect
// button while a scanner false-positive is being cleared. Driven by
// config.walletNotice (admin PATCH): non-empty string = show it, ""/unset =
// nothing renders. One config flip removes it everywhere, no deploy.
(function () {
  'use strict';
  fetch('/api/public/config').then(function (r) { return r.json(); }).then(function (c) {
    var msg = (c && c.walletNotice || '').trim();
    if (!msg) return;
    var placed = false;
    function attach() {
      if (placed) return true;
      // The training page has a connect/unlock button under EVERY gated video —
      // show the notice only ONCE (above the first one), never per-video.
      var btns = [].slice.call(document.querySelectorAll('button, a.btn'));
      var btn = btns.filter(function (b) { return /connect|unlock/i.test(b.textContent || ''); })[0];
      if (!btn) return false;
      placed = true;
      var n = document.createElement('div');
      n.className = 'callout';
      n.style.cssText = 'margin:0 0 12px;font-size:13px;line-height:1.5;border-color:rgba(243,190,67,.5)';
      n.innerHTML = 'ℹ️ ' + msg; // admin-authored, same trust level as other config-injected copy
      btn.parentNode.insertBefore(n, btn);
      return true;
    }
    if (attach()) return;
    // Connect/unlock buttons on /my and /training are injected AFTER async data
    // loads — watch the DOM until the first one appears, then stop.
    if (window.MutationObserver) {
      var mo = new MutationObserver(function () { if (attach()) mo.disconnect(); });
      mo.observe(document.body, { childList: true, subtree: true });
      setTimeout(function () { mo.disconnect(); }, 12000);
    } else {
      var t = 0, iv = setInterval(function () { if (attach() || ++t > 12) clearInterval(iv); }, 800);
    }
  }).catch(function () {});
})();