function gaEvent(params)
{
    if (typeof ga === "function") {
        ga('send', 'event', params['category'], params['action'], params['label']);
    }
}

function gaAddImpression(params)
{
    if (typeof ga === "function") {
        ga("require", "ec");
        ga('ec:addImpression', {
            'id': params['id_prod'],
            'name': params['name_prod'],
        });
        ga("send", "pageview");
    }
}

function gaClicked(params)
{
    if (typeof ga === "function") {
        ga("require", "ec");
        ga('ec:addProduct', {
            'id': params['id_prod'],
            'name': params['name_prod']
        });
        ga('ec:setAction', 'click', {list: 'Search Results'});
        ga('send', 'event', 'choice', 'click', 'ViewProduct');
    }
}

function gaViewDetail(params)
{
    if (typeof ga === "function") {
        ga("require", "ec");
        ga('ec:addProduct', {
          'id': params['id_prod'],
          'name': params['name_prod']
        });
        ga('ec:setAction', 'detail');
        ga('send', 'pageview');
    }
}

function gaAddToCart(params)
{
    if (typeof ga === "function") {
        ga("require", "ec");
        ga('ec:addProduct', {
            'id': params['id_prod'],
            'name': params['name_prod'],
            'price': params['price_prod'],
            'quantity': params['quantity_prod']
          });
        ga('ec:setAction', 'add');
        ga('send', 'event', 'product', 'click', 'addToCart');
    }
}

function gtagBeginCheckout(data)
{
    let mainData = data.split('@/');
    let mainItems = mainData[2].split('%/');
    let items = [];
    
    mainItems.forEach(function(item) {
        let itemArray = item.split('#/');
        items.push({
            item_id: itemArray[0], 
            item_name: itemArray[1], 
            coupon: itemArray[2], 
            discount: itemArray[3], 
            affiliation: itemArray[4], 
            item_brand: itemArray[5], 
            item_category: itemArray[6], 
            item_variant: itemArray[7], 
            price: itemArray[8], 
            currency: itemArray[9], 
            quantity: itemArray[10], 
        })
    });

    if (typeof gtag === "function") {
        gtag('event', 'begin_checkout', {
            coupon: mainData[0],
            currency: mainData[1],
            items: items,
            value: mainData[3]
        });
        console.log('gtag begin_checkout event called');
        gtagPageViewEvent();
    }
}

function gtagPurchase(data)
{
    let mainData = data.split('@/');
    let mainItems = mainData[3].split('%/');
    let items = [];

    mainItems.forEach(function(item) {
        let itemArray = item.split('#/');
        items.push({
            item_id: itemArray[0], 
            item_name: itemArray[1], 
            coupon: itemArray[2], 
            discount: itemArray[3], 
            affiliation: itemArray[4], 
            item_brand: itemArray[5], 
            item_category: itemArray[6], 
            item_variant: itemArray[7], 
            price: itemArray[8], 
            currency: itemArray[9], 
            quantity: itemArray[10], 
        })
    });

    if (typeof gtag === "function") {
        gtag('event', 'purchase', {
            affiliation: mainData[0],
            coupon: mainData[1],
            currency: mainData[2],
            transaction_id: (mainData[4].padStart(6, '0')),
            shipping: mainData[5],
            value: mainData[6],
            tax: mainData[7],
            items: items,
        });
        console.log('gtag purchase event called');
        gtagPageViewEvent();
    }
}

function gtagPageViewEvent()
{
    gtag('event', 'page_view', {
         page_title: document.title,
         page_location: window.location,
    })
    console.log('gtag page_view event called');
}

function gtagConversion(transactionId)
{
    if (typeof gtag === "function") {
        gtag('event', 'conversion', {
            'transaction_id': (transactionId.padStart(6, '0'))
        });

        console.log('gtag conversion event called');
    }
}