// Get COOKIE
    function getCookie(cname) {
      let name = cname + "=";
      let decodedCookie = decodeURIComponent(document.cookie);
      let ca = decodedCookie.split(';');
      for(let i = 0; i <ca.length; i++) {
        let c = ca[i];
        while (c.charAt(0) == ' ') {
          c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
          return c.substring(name.length, c.length);
        }
      }
      return "";
    }
  
    function getFacebookCookies() {
      var allCookies = document.cookie.split(";");
      var fbCookieObject = {};
      var i, len;
      for(i = 0, len = allCookies.length; i < len; i += 1){
        var cookieItem = allCookies[i].split("=");
        if(cookieItem[0] === " _fbp"){
          fbCookieObject["fbp"] = cookieItem[1];
        } else if(cookieItem[0] === " _fbc"){
          fbCookieObject["fbc"] = cookieItem[1];
        }
      }
  
      return fbCookieObject;
    }
  
    // Set COOKIE
    function setCookie(cvalue, cname) {
      const d = new Date();
      d.setTime(d.getTime() + (365*24*60*60*1000));
      var expires = "expires="+ d.toUTCString();
      document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
    }
  
    // This function generates a random string
    const rand = () => {
      // Math.random() returns a random floating point number between 0 and 1
      // toString(36) base-36 is a notation for representing numbers using the 26 letters of the alphabet along with ten digits
      // substring(2) returns a new string containing all characters starting at index 2 to the end of the original string
      return Math.random().toString(36).substring(2);
    };
  
    // Defining a function that generates a random token by concatenating two random strings.
    const generateRandomToken = () => {
      // Invoking the rand() function twice and concatenating the output strings
      // thus producing a longer and more complex random token
      return rand() + rand();
    };
  
    function sendCustomEvent(data, event, shopId) {
      fetch('https://connect.leafsignal.com/shopify/webhook/custom', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-shopify-topic': event,
          'X-Shopify-shop-id': shopId
        },
        body: JSON.stringify(data)
      })
      .then(response => {
        return response.json();
      })
      .catch((error) => {
        console.error('Error sending custom event to app: ', JSON.stringify(error));
      });
    }
  
    function getCustomerData(eventName){
      var connectCustomer = {};
      var customerData = window.dataLayer.find(element => element.event === 'logState');
      if (customerData) {
        var addressInfo = customerData.customerInfo;
        if (eventName === 'purchase') {
          addressInfo = customerData.billingInfo;
          connectCustomer = { email: customerData.checkoutEmail, first_name: customerData.billingInfo.firstName, last_name: customerData.billingInfo.lastName, default_address: addressInfo };
        } else if (customerData.customerInfo) {
          connectCustomer = { email: customerData.customerEmail, first_name: customerData.customerInfo.firstName, last_name: customerData.customerInfo.lastName, default_address: addressInfo };
        }
      }
      return connectCustomer;
    }
  
    function getCurrentTime() {
      return Math.floor(Date.now() / 1000);
    }
  
    function getLatestETMSec() {
      var latestETMSecCookie = getCookie('latestETMSec');
      var currentTime = getCurrentTime();
      if (!latestETMSecCookie || latestETMSecCookie === '') {
        setCookie(currentTime, 'latestETMSec');
        return 1;
      }
      var etmSec = currentTime - latestETMSecCookie;
      if (etmSec === 0) return 1;
      return etmSec;
    }
  
    function extractSessionId(cookieValue) {
      if (!cookieValue) return '';
  
      if (cookieValue.startsWith('GS1')) {
        // GS1 format: GS1.1.<session_id>...
        var parts = cookieValue.split('.');
        return parts.length > 2 ? parts[2] : '';
      } else if (cookieValue.startsWith('GS2')) {
        // GS2 format: GS2.1.<random>$o1$s<session_id>$...
        var marker = '.s';
        var start = cookieValue.indexOf(marker);
        if (start === -1) return '';
        var sessionStart = start + marker.length;
        var sessionEnd = cookieValue.indexOf('$', sessionStart);
        return cookieValue.substring(
          sessionStart,
          sessionEnd > -1 ? sessionEnd : cookieValue.length
        );
      }
  
      return '';
    }
  
    function getConnectData(customer, ga4Id){
      var gaCookie = getCookie('_ga');
      var gaCookieFormatted = gaCookie.split('.').splice(2,3).join('.');
  
      var gaSessionId = '';
  
      if (ga4Id) {
        var formattedGA4Id = ga4Id.split('-')[1];
        var sessionCookieName = '_ga_' + formattedGA4Id;
        var gaSessionCookie = getCookie(sessionCookieName);
        gaSessionId = extractSessionId(gaSessionCookie);
      }
  
      var externalId = getCookie('connect_cid');
      var eventId = generateRandomToken();
      var pageReferrer = document.referrer;
      var engagementTimeMsec = getLatestETMSec();
  
      var fbCookies = getFacebookCookies();
      var fbp = '';
      var fbc = '';
      if (fbCookies.fbp) {
        fbp = fbCookies.fbp
      } else {
        fbp = null;
      }
      if (fbCookies.fbc) {
        fbc = fbCookies.fbc
      } else {
        fbc = null;
      }
  
      var pageLocation = window.location.href;
      var pageTitle = document.title;
  
      var data = {
        id: eventId,
        platform_source: 'cms',
        user_data: {
          cid: gaCookieFormatted,
          ga_session_id: gaSessionId,
          external_id: externalId,
          fbp,
          fbc,
          page_referrer: pageReferrer,
          engagement_time_msec: engagementTimeMsec,
          page_location: pageLocation,
          page_title: pageTitle
        },
        event_source_url: window.location.href,
      }
      if (Object.keys(customer).length > 0) { data['customer'] = customer; }
      return data;
    }
  
    function sendFbBrowserEvent(eventName, eventData, eventID, pixelId) {
      if (pixelId) {
        fbq('trackSingle', pixelId, eventName, eventData, {eventID: eventID});
      }
    }
  
    function parseEventsValueToFloat(value) {
      if (typeof value === 'string') {
        value = value.trim();
        var result = value.replace(/[^0-9]/g, '');
        if (/[,.]d{2}$/.test(value)) {
            result = result.replace(/(d{2})$/, '.$1');
        }
        return parseFloat(result);
      }
      return value;
    }
  
    function getFBViewItemData(viewItemData) {
      var item = viewItemData.items[0];
      var itemData = {
        'contents' : [{'id': item.item_id, 'quantity': 1}],
        'content_ids': [item.item_id],
        'content_type' : 'product',
        'value': parseEventsValueToFloat(item.price),
        'currency': item.currency
      };
      return itemData;
    }
  
    function getProductData(eventData) {
      var contents = [];
      var contentIds = [];
      eventData.items.forEach(function(item){
        contents.push({ 'id': item.item_id, 'quantity': item.quantity, 'item_price': item.price });
        contentIds.push(item.item_id);
      });
      var data = {
        'content_type' : 'product',
        'value': eventData.value,
        'currency': eventData.currency,
        'contents': contents,
        'content_ids': contentIds
      };
      return data;
    }
  
    function getFBPurchaseData(data) {
      var purchaseData = {
        'content_name': 'Thank You',
        'content_type': 'product',
        'currency': data.currency,
      }
      var contentIds = [];
      var contents = [];
  
      purchaseData['value'] = parseEventsValueToFloat(data.value);
  
      data.items.forEach(function(item) {
          contentIds.push(item.item_id);
          contents.push({ id: item.item_id, quantity: item.quantity });
      });
      purchaseData['content_ids'] = contentIds;
      purchaseData['contents'] = contents;
  
      return purchaseData;
    }
  
    function getFBInitCheckoutData(data) {
      var initCheckoutData = {
        currency: data.currency,
        content_type: 'product',
        value: parseFloat(data.value),
      }
      var contents = [];
      data.items.forEach(function(item) {
        contents.push({ 'id': item.item_id, 'quantity': item.quantity });
      });
  
      initCheckoutData['contents'] = contents;
      return initCheckoutData;
    }
  
    function formatPurchaseItems(purchaseItems) {
      var items = [];
      purchaseItems.forEach(function(item) {
        var itemObj = {};
        itemObj['sku'] = item['item_id'];
        itemObj['title'] = item['item_name'];
        itemObj['vendor'] = item['item_brand'];
        itemObj['variant_title'] = item['item_variant'] || 'default_title';
        itemObj['price'] = parseEventsValueToFloat(item['price']);
        itemObj['quantity'] = item['quantity'];
        itemObj['product_id'] = item['item_id'];
        if (item['item_variant_id']) {
          itemObj['variant_id'] = item['item_variant_id'];
        } else {
          itemObj['variant_id'] = item['item_id'];
        }
        items.push(itemObj);
      });
      return items;
    }
  
    function formatServerPurchaseData(data, dataLayer) {
      data['id'] = dataLayer['transaction_id'];
      if (data['product_data'] && data['product_data']['content_name']) {
        delete data['product_data']['content_name'];
      }
  
      data['line_items'] = formatPurchaseItems(dataLayer['items']);
      data['source_name'] = 'web';
      data['total_price'] = parseEventsValueToFloat(dataLayer['value']);
      data['total_tax'] = parseEventsValueToFloat(dataLayer['tax']);
      data['subtotal_price'] = parseEventsValueToFloat(dataLayer['transaction_subtotal']);
      data['shipping_price'] = parseEventsValueToFloat(dataLayer['shipping']);
      data['currency'] = dataLayer['currency'];
      data['name'] = String(dataLayer['transaction_id']);
      data['gateway'] = dataLayer['gateway'];
      if (dataLayer['coupon']) {
        data['discount_code'] = dataLayer['coupon'];
        data['discount_amount'] = parseEventsValueToFloat(dataLayer['discount']) || 0;
      }
  
      return data;
    }
  
    function formatGA4Data(ga4Data) {
      var items = [];
      var dataClone = JSON.parse(JSON.stringify(ga4Data));
      if (dataClone.shop_id) {
        delete dataClone.shop_id;
      }
      if (dataClone.token) {
        delete dataClone.token;
      }
      dataClone.value = parseEventsValueToFloat(ga4Data.value);
      ga4Data.items.forEach(function(item) {
        var itemPrice = parseEventsValueToFloat(item.price);
        item.price = itemPrice;
        items.push(item);
      });
      dataClone.items = items;
      return dataClone;
    }
  
    function formatCheckoutStepItemsData(eventData) {
      var items = [];
      var dataClone = JSON.parse(JSON.stringify(eventData));
      if (dataClone.shop_id) {
        delete dataClone.shop_id;
      }
      if (dataClone.items) {
        delete dataClone.items;
      }
      if (eventData.discount) {
        dataClone.discount = parseEventsValueToFloat(eventData.discount);
      }
      dataClone.total_price = parseEventsValueToFloat(eventData.value);
      dataClone.tax = parseEventsValueToFloat(eventData.tax);
      dataClone.shipping = parseEventsValueToFloat(eventData.shipping);
      dataClone.subtotal = parseEventsValueToFloat(eventData.subtotal);
      eventData.items.forEach(function(item) {
        var itemData = {
          'sku': item['item_id'],
          'product_id': item['item_id'],
          'title': item['item_name'],
          'variant_title': item['item_variant'] || 'default_title',
          'vendor': item['item_brand'],
          ...item,
        };
        if (item['item_variant_id']) {
          itemData['variant_id'] = item['item_variant_id'];
        }
        itemData['price'] = parseEventsValueToFloat(item['price']);
        items.push(itemData);
      });
      dataClone['line_items'] = items;
      return dataClone;
    }
  
    function eventHandler(eventObj, pixelId, ga4Id) {
      var customerData = getCustomerData(eventObj.event);
      var connectData = getConnectData(customerData, ga4Id);
      var currentTime = getCurrentTime();
  
      switch(eventObj.event){
        case 'view_item':
          var viewItemData = getFBViewItemData(eventObj.ecommerce);
          connectData['product_data'] = viewItemData;
          connectData['ga4_data'] = formatGA4Data(eventObj.ecommerce);
          if (eventObj.ecommerce.shop_id) {
            sendFbBrowserEvent('ViewContent', viewItemData, connectData.id, pixelId);
  
            sendCustomEvent(connectData, 'custom/content_view', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'page_view':
          if (eventObj.shop_id) {
            sendCustomEvent(connectData, 'custom/page_view', eventObj.shop_id);
            var pageViewData = {};
            sendFbBrowserEvent('PageView', pageViewData, connectData.id, pixelId);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'add_to_cart':
          var cartData = getProductData(eventObj.ecommerce);
          connectData['product_data'] = cartData;
          connectData['items'] = eventObj.ecommerce.items;
          if (eventObj.ecommerce.shop_id) {
            sendFbBrowserEvent('AddToCart', cartData, connectData.id, pixelId);
  
            sendCustomEvent(connectData, 'custom/add_to_cart', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'purchase':
          if (eventObj.ecommerce.shop_id) {
            var purchaseData = getFBPurchaseData(eventObj.ecommerce);
            sendFbBrowserEvent('Purchase', purchaseData, eventObj.ecommerce.transaction_number, pixelId);
  
            connectData['product_data'] = JSON.parse(JSON.stringify(purchaseData));
            var severPurchaseData = formatServerPurchaseData(connectData, eventObj.ecommerce);
            sendCustomEvent(severPurchaseData, 'custom/purchase', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'initiate_checkout':
          if (eventObj.ecommerce.shop_id) {
            var initCheckoutData = getFBInitCheckoutData(eventObj.ecommerce);
            sendFbBrowserEvent('InitiateCheckout', initCheckoutData, connectData.id, pixelId);
  
            connectData['ga4_data'] = formatGA4Data(eventObj.ecommerce);
            connectData['product_data'] = getProductData(eventObj.ecommerce);
            sendCustomEvent(connectData, 'custom/begin_checkout', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'add_contact_info':
          if (eventObj.ecommerce.shop_id) {
            connectData['event_data'] = formatCheckoutStepItemsData(eventObj.ecommerce);
            connectData['step'] = eventObj.event;
            sendCustomEvent(connectData, 'custom/update_checkout', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'add_shipping_info':
          if (eventObj.ecommerce.shop_id) {
            connectData['event_data'] = formatCheckoutStepItemsData(eventObj.ecommerce);
            connectData['step'] = eventObj.event;
            sendCustomEvent(connectData, 'custom/update_checkout', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
  
        case 'add_payment_info':
          if (eventObj.ecommerce.shop_id) {
            connectData['event_data'] = formatCheckoutStepItemsData(eventObj.ecommerce);
            connectData['step'] = eventObj.event;
            sendCustomEvent(connectData, 'custom/update_checkout', eventObj.ecommerce.shop_id);
  
            setCookie(currentTime, 'latestETMSec');
          }
          break;
      }
    }
  
    function getMarketFBID() {
      var domainName = window.location.hostname;
      var connectElements = document.getElementsByTagName('connect-fb');
      var fbPixelId = '';
  
      for (var i = 0; i < connectElements.length; i++) {
        var elementDomainName = connectElements[i].getAttribute('domain');
        if (elementDomainName === null) {
          fbPixelId = connectElements[i].getAttribute('fbid');
          i = connectElements.length;
        } else if (elementDomainName === domainName) {
          fbPixelId = connectElements[i].getAttribute('fbid');
          i = connectElements.length;
        }
      }
      return fbPixelId;
    }
  
    function getGA4ID() {
      var domainName = window.location.hostname;
      var connectElements = document.getElementsByTagName('connect-ga');
      var ga4Id = '';
  
      for (var i = 0; i < connectElements.length; i++) {
        var elementDomainName = connectElements[i].getAttribute('domain');
        if (elementDomainName === null) {
          ga4Id = connectElements[i].getAttribute('ga');
          i = connectElements.length;
        } else if (elementDomainName === domainName) {
          ga4Id = connectElements[i].getAttribute('ga');
          i = connectElements.length;
        }
      }
      return ga4Id;
    }
  
    function initFB(pixelId, customerData) {
      if (pixelId) {
        !function(f,b,e,v,n,t,s)
        {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
        n.callMethod.apply(n,arguments):n.queue.push(arguments)};
        if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
        n.queue=[];t=b.createElement(e);t.async=!0;
        t.src=v;s=b.getElementsByTagName(e)[0];
        s.parentNode.insertBefore(t,s)}(window, document,'script',
        'https://connect.facebook.net/en_US/fbevents.js');
  
        fbq('init', pixelId , customerData);
      }
    }
  
    function getCountriesCodes() {
      return [
        {
          "country": "Afghanistan",
          "code": "93",
          "iso": "AF"
        },
        {
          "country": "Albania",
          "code": "355",
          "iso": "AL"
        },
        {
          "country": "Algeria",
          "code": "213",
          "iso": "DZ"
        },
        {
          "country": "American Samoa",
          "code": "1-684",
          "iso": "AS"
        },
        {
          "country": "Andorra",
          "code": "376",
          "iso": "AD"
        },
        {
          "country": "Angola",
          "code": "244",
          "iso": "AO"
        },
        {
          "country": "Anguilla",
          "code": "1-264",
          "iso": "AI"
        },
        {
          "country": "Antarctica",
          "code": "672",
          "iso": "AQ"
        },
        {
          "country": "Antigua and Barbuda",
          "code": "1-268",
          "iso": "AG"
        },
        {
          "country": "Argentina",
          "code": "54",
          "iso": "AR"
        },
        {
          "country": "Armenia",
          "code": "374",
          "iso": "AM"
        },
        {
          "country": "Aruba",
          "code": "297",
          "iso": "AW"
        },
        {
          "country": "Australia",
          "code": "61",
          "iso": "AU"
        },
        {
          "country": "Austria",
          "code": "43",
          "iso": "AT"
        },
        {
          "country": "Azerbaijan",
          "code": "994",
          "iso": "AZ"
        },
        {
          "country": "Bahamas",
          "code": "1-242",
          "iso": "BS"
        },
        {
          "country": "Bahrain",
          "code": "973",
          "iso": "BH"
        },
        {
          "country": "Bangladesh",
          "code": "880",
          "iso": "BD"
        },
        {
          "country": "Barbados",
          "code": "1-246",
          "iso": "BB"
        },
        {
          "country": "Belarus",
          "code": "375",
          "iso": "BY"
        },
        {
          "country": "Belgium",
          "code": "32",
          "iso": "BE"
        },
        {
          "country": "Belize",
          "code": "501",
          "iso": "BZ"
        },
        {
          "country": "Benin",
          "code": "229",
          "iso": "BJ"
        },
        {
          "country": "Bermuda",
          "code": "1-441",
          "iso": "BM"
        },
        {
          "country": "Bhutan",
          "code": "975",
          "iso": "BT"
        },
        {
          "country": "Bolivia",
          "code": "591",
          "iso": "BO"
        },
        {
          "country": "Bosnia and Herzegovina",
          "code": "387",
          "iso": "BA"
        },
        {
          "country": "Botswana",
          "code": "267",
          "iso": "BW"
        },
        {
          "country": "Brazil",
          "code": "55",
          "iso": "BR"
        },
        {
          "country": "British Indian Ocean Territory",
          "code": "246",
          "iso": "IO"
        },
        {
          "country": "British Virgin Islands",
          "code": "1-284",
          "iso": "VG"
        },
        {
          "country": "Brunei",
          "code": "673",
          "iso": "BN"
        },
        {
          "country": "Bulgaria",
          "code": "359",
          "iso": "BG"
        },
        {
          "country": "Burkina Faso",
          "code": "226",
          "iso": "BF"
        },
        {
          "country": "Burundi",
          "code": "257",
          "iso": "BI"
        },
        {
          "country": "Cambodia",
          "code": "855",
          "iso": "KH"
        },
        {
          "country": "Cameroon",
          "code": "237",
          "iso": "CM"
        },
        {
          "country": "Canada",
          "code": "1",
          "iso": "CA"
        },
        {
          "country": "Cape Verde",
          "code": "238",
          "iso": "CV"
        },
        {
          "country": "Cayman Islands",
          "code": "1-345",
          "iso": "KY"
        },
        {
          "country": "Central African Republic",
          "code": "236",
          "iso": "CF"
        },
        {
          "country": "Chad",
          "code": "235",
          "iso": "TD"
        },
        {
          "country": "Chile",
          "code": "56",
          "iso": "CL"
        },
        {
          "country": "China",
          "code": "86",
          "iso": "CN"
        },
        {
          "country": "Christmas Island",
          "code": "61",
          "iso": "CX"
        },
        {
          "country": "Cocos Islands",
          "code": "61",
          "iso": "CC"
        },
        {
          "country": "Colombia",
          "code": "57",
          "iso": "CO"
        },
        {
          "country": "Comoros",
          "code": "269",
          "iso": "KM"
        },
        {
          "country": "Cook Islands",
          "code": "682",
          "iso": "CK"
        },
        {
          "country": "Costa Rica",
          "code": "506",
          "iso": "CR"
        },
        {
          "country": "Croatia",
          "code": "385",
          "iso": "HR"
        },
        {
          "country": "Cuba",
          "code": "53",
          "iso": "CU"
        },
        {
          "country": "Curacao",
          "code": "599",
          "iso": "CW"
        },
        {
          "country": "Cyprus",
          "code": "357",
          "iso": "CY"
        },
        {
          "country": "Czech Republic",
          "code": "420",
          "iso": "CZ"
        },
        {
          "country": "Democratic Republic of the Congo",
          "code": "243",
          "iso": "CD"
        },
        {
          "country": "Denmark",
          "code": "45",
          "iso": "DK"
        },
        {
          "country": "Djibouti",
          "code": "253",
          "iso": "DJ"
        },
        {
          "country": "Dominica",
          "code": "1-767",
          "iso": "DM"
        },
        {
          "country": "Dominican Republic",
          "code": "1-809, 1-829, 1-849",
          "iso": "DO"
        },
        {
          "country": "East Timor",
          "code": "670",
          "iso": "TL"
        },
        {
          "country": "Ecuador",
          "code": "593",
          "iso": "EC"
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