(function(){
  'use strict';

  if (window.__MB_OS_INIT__) { return; }
  window.__MB_OS_INIT__ = true;

  var APP_ID = "415d9686-ea39-45cf-b641-252e38ae95bb";
  var KEY_PROMPTED = 'pwa_notif_prompted_final';

  var isStandalone = (function(){
    try { return (window.matchMedia && window.matchMedia('(display-mode: standalone)').matches) || window.navigator.standalone === true; }
    catch(e){ return false; }
  })();

  function loadSDK(cb){
    if (window.OneSignal && window.OneSignal.Notifications) { cb(); return; }
    if (document.querySelector('script[src*="OneSignalSDK.page.js"]')) {
      var tries=0;(function wait(){
        if (window.OneSignal && window.OneSignal.Notifications) { cb(); return; }
        if (tries++>40) { cb(); return; }
        setTimeout(wait,150);
      })();
      return;
    }
    var s=document.createElement('script');
    s.src='https://cdn.onesignal.com/sdks/web/v16/OneSignalSDK.page.js';
    s.defer=true; s.onload=cb; document.head.appendChild(s);
  }

  function sendPlayerId(){
    if (!window.OneSignal || !OneSignal.User || !OneSignal.User.getId) return;
    OneSignal.User.getId().then(function(id){
      if (!id) return;
      try{
        var url='/pwa/onesignal_register.php'
          + '?uid=' + encodeURIComponent(localStorage.getItem('pwa_uid')||'')
          + '&playerId=' + encodeURIComponent(id)
          + '&t=' + Date.now();
        new Image().src=url; // GET beacon → aucun JSON dans le JS
      }catch(e){}
    });
  }

  function showCTA(){
    // iOS exige un geste utilisateur dans la PWA installée
    if (!isStandalone) return;
    if (Notification && Notification.permission==='granted') return;
    if (localStorage.getItem(KEY_PROMPTED)==='1') return;

    if (!document.getElementById('mb-cta-style')){
      var css='#mb-cta{position:fixed;left:12px;right:12px;bottom:12px;z-index:99999;background:#0b1220;color:#fff;border:1px solid #213050;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.35);padding:14px 16px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}'
        +'#mb-cta h4{margin:0 0 6px;font-size:16px}#mb-cta p{margin:0 0 10px;opacity:.95}'
        +'#mb-cta .row{display:flex;gap:10px}#mb-cta button{flex:1;padding:10px 14px;border-radius:10px;border:0;cursor:pointer;font-weight:700}'
        +'#mb-cta .ok{background:#ffd54d;color:#0b1220}#mb-cta .later{background:#142038;color:#fff;border:1px solid #263253}';
      var st=document.createElement('style'); st.id='mb-cta-style'; st.textContent=css; (document.head||document.body).appendChild(st);
    }
    if (document.getElementById('mb-cta')) return;

    var el=document.createElement('div');
    el.id='mb-cta';
    el.innerHTML='<h4>Activer les notifications</h4>'
      +'<p>Reçois les alertes vigilance, les prévisions et les infos météo importantes.</p>'
      +'<div class="row"><button class="ok" id="mb-cta-ok">Activer</button><button class="later" id="mb-cta-later">Plus tard</button></div>';
    document.body.appendChild(el);

    document.getElementById('mb-cta-later').addEventListener('click', function(){
      localStorage.setItem(KEY_PROMPTED,'1'); el.remove();
    });

    document.getElementById('mb-cta-ok').addEventListener('click', function(){
      if (window.OneSignal && OneSignal.Notifications && OneSignal.Notifications.requestPermission){
        OneSignal.Notifications.requestPermission().then(function(){
          localStorage.setItem(KEY_PROMPTED,'1'); el.remove(); sendPlayerId();
        }).catch(function(){
          localStorage.setItem(KEY_PROMPTED,'1'); el.remove();
        });
      } else {
        setTimeout(showCTA, 600);
      }
    });
  }

  window.MBNotif = { reprompt: function(){ localStorage.removeItem(KEY_PROMPTED); showCTA(); } };

  loadSDK(function(){
    window.OneSignalDeferred = window.OneSignalDeferred || [];
    OneSignalDeferred.push(function(OneSignal){
      try{
        OneSignal.init({
          appId: APP_ID,
          serviceWorkerParam: { scope: "/" },
          serviceWorkerPath: "/sw.js",
          serviceWorkerUpdaterPath: "/sw.js",
          promptOptions: { slidedown: { enabled:false, autoPrompt:false } }
        });
      }catch(e){ console.warn('[PWA] OneSignal.init', e); }

      try{
        OneSignal.User.PushSubscription.addEventListener('change', function(ev){
          if (ev.current && ev.current.optedIn) sendPlayerId();
        });
        setTimeout(sendPlayerId, 800);
      }catch(e){}

      setTimeout(showCTA, 700);
    });
  });
})();