(function(){
  var s = document.currentScript;
  if (!s || !/\/sonda\/js/.test(s.src || '')) {
    var all = document.getElementsByTagName('script');
    for (var i = all.length - 1; i >= 0; i--) { if (all[i].src && all[i].src.indexOf('/sonda/js') > -1) { s = all[i]; break; } }
  }
  var SITE = (s && s.getAttribute('data-qo-site')) || 'web';
  var CTX  = (s && s.getAttribute('data-qo-ctx'))  || '';
  var PAIS = (s && s.getAttribute('data-qo-pais')) || '';
  var UF   = (s && s.getAttribute('data-qo-uf'))   || '';
  var BASE = (s && s.src) ? s.src.replace(/\/sonda\/js.*$/, '') : '';
  var HIT  = BASE + '/sonda/e';
  function uid(){ return Date.now().toString(36) + Math.random().toString(36).slice(2,10); }
  var SES; try { SES = sessionStorage.getItem('qo_s'); if(!SES){ SES = uid(); sessionStorage.setItem('qo_s', SES); } } catch(e){ SES = uid(); }
  var PV = uid(), start = Date.now(), lastSent = 0;
  function q(n){ var m = location.search.match(new RegExp('[?&]'+n+'=([^&]+)')); return m ? decodeURIComponent(m[1]) : ''; }
  function send(o){
    o.s = SITE; o.ses = SES;
    var body = JSON.stringify(o);
    try { if (navigator.sendBeacon){ navigator.sendBeacon(HIT, new Blob([body], {type:'text/plain'})); return; } } catch(e){}
    try { var x = new XMLHttpRequest(); x.open('POST', HIT, true); x.setRequestHeader('Content-Type','text/plain'); x.send(body); } catch(e){}
  }
  send({ t:'pageview', pv:PV, path:location.pathname, title:(document.title||'').slice(0,255),
         ref:document.referrer.slice(0,255), ctx:CTX, pais:PAIS, uf:UF,
         us:q('utm_source'), um:q('utm_medium'), uc:q('utm_campaign') });
  function beat(){ var d = Math.round((Date.now()-start)/1000); if (d > lastSent){ lastSent = d; send({ t:'dur', pv:PV, dur:d }); } }
  setInterval(function(){ if (document.visibilityState==='visible') beat(); }, 20000);
  document.addEventListener('visibilitychange', function(){ if (document.visibilityState==='hidden') beat(); });
  window.addEventListener('pagehide', beat);
  window.qoTrack = function(tipo, data){ data = data || {}; data.t = tipo; data.pv = PV; send(data); };
  var Q = window._qo || [];
  for (var i=0;i<Q.length;i++){ try { window.qoTrack(Q[i][0], Q[i][1]); } catch(e){} }
  window._qo = { push: function(a){ try { window.qoTrack(a[0], a[1]); } catch(e){} } };
  // Checkout: captura o email do cliente (p/ recuperação de carrinho)
  function watchEmail(){
    var em = document.getElementById('billing_email');
    if (em && !em._qoBound){ em._qoBound = 1; em.addEventListener('blur', function(){ var v=(em.value||'').trim(); if (v.indexOf('@')>0){ window.qoTrack('email', {email:v}); } }); }
  }
  if (document.readyState !== 'loading') watchEmail(); else document.addEventListener('DOMContentLoaded', watchEmail);
  // WooCommerce dispara este evento (jQuery) após adicionar ao carrinho
  if (window.jQuery){ try { window.jQuery(document.body).on('added_to_cart', function(){ window.qoTrack('add_to_cart', {}); }); } catch(e){} }
})();