// orderConfirmation cookie to push event only once
document.addEventListener('click', function(event) {
    if(event.target.classList.contains("ms-checkout__btn-place-order")){
        document.cookie = "orderStatus=placed";
    }
});

window.dataLayer = window.dataLayer || [];
document.addEventListener("DOMContentLoaded", function(event) {
    // const pageName = window.___initialData___.requestContext.telemetryPageName;

    // ECOMMERCE - PURCHASE
    if(document.querySelectorAll('[data-m-t="order-confirmation"]').length > 0) {
        const cookieOrderValue = document.cookie
            .split('; ')
            .find(row => row.startsWith('orderStatus='))
            .split('=')[1];

        if(cookieOrderValue==='placed') {
            const orderInfo = window.___initialData___.requestCache.internalCache.SALESORDER[`ID-${window.___initialData___.requestContext.query.transactionId.toUpperCase()}`].item;
            const transactionId = window.___initialData___.requestContext.query.transactionId;
            const revenue = orderInfo.GrossAmount;
            const tax = orderInfo.TaxAmount;
            const shipping = orderInfo.ShippingChargeAmount;
            const coupon = orderInfo.Coupons.length > 0 ? orderInfo.Coupons[0] : '';
            const orderProducts = [];
            orderInfo.SalesLines.forEach((salesLine, i) => {
                const name = document.getElementsByClassName("msc-cart-line__product-title")[i].children[0].textContent;
                orderProducts.push({
                    'name': name,
                    'id': salesLine.ItemId, //SKU
                    'price': (salesLine.NetAmount/salesLine.Quantity).toFixed(2), // discounted price for 1 unit
                    'quantity': salesLine.Quantity,
                    'dimension10': salesLine.PeriodicPercentageDiscount,
                    'dimension11': salesLine.DiscountLines.length > 0 ? salesLine.DiscountLines[0].OfferName : '',
                    'dimension12': salesLine.ProductId //microsoft id
                });
            });

            const orderDataLayer = {
                'event': 'purchase',
                'ecommerce': {
                    'currencyCode': window.___initialData___.requestContext.channel.Currency,
                    'purchase': {
                        'actionField': {
                            'id': transactionId,
                            'affiliation': '',
                            'revenue': revenue,
                            'tax': tax,
                            'shipping': shipping,
                            'coupon': coupon,
                        },
                        'products': orderProducts
                    }
                }
            }
            window.dataLayer.push(orderDataLayer);
            document.cookie = "orderStatus=";
        }
    }
});


function activeCartProducts (activeCart) {
    const cartLineProducts = [];
    activeCart.CartLines.forEach((cartLine,i) => {
        const productName = window.___initialData___.requestContext.telemetryData[cartLine.ProductId] ? window.___initialData___.requestContext.telemetryData[cartLine.ProductId].productName : undefined;

        cartLineProducts.push({
            'name': productName,
            'id': cartLine.ItemId, //product SKU
            'price': (cartLine.TotalAmount/cartLine.Quantity).toFixed(2), // discounted price for 1 unit
            'quantity': cartLine.Quantity,
            'dimension12': cartLine.ProductId //product ID (microsoft)
        });
    });
    return cartLineProducts;
}
function activeCartItems () {
    // CART ITEMS
    // const activeCart = window.___initialData___.requestContext.telemetryData.activeCart;
    var activeCart = window.___initialData___.requestContext.telemetryData.activeCart ? window.___initialData___.requestContext.telemetryData.activeCart : undefined;
    if (activeCart) {
        if(activeCart.CartLines.length>0){
            const activeCartLine = window.___initialData___.requestContext.telemetryData.activeCart.CartLines[0];
            if(activeCartLine !== undefined){
                const cartLineProducts = activeCartProducts(activeCart);
                const cartItemsDataLayer = {
                    'cartItems': cartLineProducts
                }
                window.dataLayer.push(cartItemsDataLayer);
                console.log("cartItems pushed");
            } else {
                console.log("activeCartProducts - l");
                setTimeout(activeCartItems, 1000);
            }
        }
    } else {
        setTimeout(activeCartItems, 1000);
        console.log("activeCartItems - l");
    }
}

document.onreadystatechange = function () {
    if (document.readyState === 'complete') {
        activeCartItems();
    }
};