if (typeof window !== 'undefined') {
  try {
    // Safely get distinctId from Mixpanel, fallback to empty string
    const distinctId = window.mixpanel?.get_distinct_id() || '';

    // Set cookie to persist device ID for use in Shopify Checkout
    document.cookie = `device_id=${encodeURIComponent(distinctId)}; domain=${COOKIE_DOMAIN}; path=${COOKIE_PATH}; max-age=${ONE_YEAR_IN_SECONDS}`;
  } catch (error) {
    console.error('Failed to set device ID cookie:', error);
  }
}

analytics.subscribe("all_standard_events", event => {
  console.log("Event data ", event?.data);

  function getCookieValue(cookieName) {
    let name = cookieName + '=';
    let decodedCookie = decodeURIComponent(document.cookie);
    let ca = decodedCookie.split(';');
    for (let i = 0; i < ca.length; i++) {
      let c = ca[i].trim();
      if (c.indexOf(name) === 0) {
        return c.substring(name.length, c.length);
      }
    }
    return '';
  }

  function waitForCookieAndExecuteMixpanel() {
    const device_id = getCookieValue('device_id');
    const shopify_id = getCookieValue('_shopify_y');
    const email = event.data.checkout.email;

    if (device_id !== '') {
      console.log('Old Device ID:', { device_id });
      console.log('New Device ID (Shopify):', { shopify_id });

      // Mixpanel JS SDK
      (function(f,b){if(!b.__SV){var e,g,i,h;window.mixpanel=b;b._i=[];b.init=function(e,f,c){function g(a,d){var b=d.split(".");2==b.length&&(a=a[b[0]],d=b[1]);a[d]=function(){a.push([d].concat(Array.prototype.slice.call(arguments,0)))}}var a=b;"undefined"!==typeof c?a=b[c]=[]:c="mixpanel";a.people=a.people||[];a.toString=function(a){var d="mixpanel";"mixpanel"!==c&&(d+="."+c);a||(d+=" (stub)");return d};a.people.toString=function(){return a.toString(1)+".people (stub)"};i="disable time_event track track_pageview track_links track_forms track_with_groups add_group set_group remove_group register register_once alias unregister identify name_tag set_config reset opt_in_tracking opt_out_tracking has_opted_in_tracking has_opted_out_tracking clear_opt_in_out_tracking start_batch_senders people.set people.set_once people.unset people.increment people.append people.union people.track_charge people.clear_charges people.delete_user people.remove".split(" ");
        for(h=0;h<i.length;h++)g(a,i[h]);var j="set set_once union unset remove delete".split(" ");a.get_group=function(){function b(c){d[c]=function(){call2_args=arguments;call2=[c].concat(Array.prototype.slice.call(call2_args,0));a.push([e,call2])}}for(var d={},e=["get_group"].concat(Array.prototype.slice.call(arguments,0)),c=0;c<j.length;c++)b(j[c]);return d};b._i.push([e,f,c])};b.__SV=1.2;e=f.createElement("script");e.type="text/javascript";e.async=!0;e.src="undefined"!==typeof MIXPANEL_CUSTOM_LIB_URL?nMIXPANEL_CUSTOM_LIB_URL:"file:"===f.location.protocol&&"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js".match(/^\/\//)?"https://cdn.mxpnl.com/libs/mixpanel-2-latest.min.js":"//cdn.mxpnl.com/libs/mixpanel-2-latest.min.js";g=f.getElementsByTagName("script")[0];g.parentNode.insertBefore(e,g)}})(document,window.mixpanel||[]);


      // Initialize Mixpanel, replace xxx with proejct token
      mixpanel.init('xxx', {
        debug: true,
        ignore_dnt: true,
      });

      // Link identities
      mixpanel.alias(shopify_id, device_id);

    } else {
      // Wait and try again
      setTimeout(waitForCookieAndExecuteMixpanel, 500);
    }
  }

  waitForCookieAndExecuteMixpanel();
});