<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script>
  (function (win) {
    'use strict';

    var listeners = [],
        doc = win.document,
        MutationObserver = win.MutationObserver || win.WebKitMutationObserver,
        observer;

    function ready(selector, fn) {
        // Store the selector and callback to be monitored
        listeners.push({
            selector: selector,
            fn: fn
        });
        if (!observer) {
            // Watch for changes in the document
            observer = new MutationObserver(check);
            observer.observe(doc.documentElement, {
                childList: true,
                subtree: true
            });
        }
        // Check if the element is currently in the DOM
        check();
    }

    function check() {
        // Check the DOM for elements matching a stored selector
        for (var i = 0, len = listeners.length, listener, elements; i < len; i++) {
            listener = listeners[i];
            // Query for elements matching the specified selector
            elements = doc.querySelectorAll(listener.selector);
            for (var j = 0, jLen = elements.length, element; j < jLen; j++) {
                element = elements[j];
                // Make sure the callback isn't invoked with the
                // same element more than once
                if (!element.ready) {
                    element.ready = true;
                    // Invoke the callback with the element
                    listener.fn.call(element, element);
                }
            }
        }
    }

    function blockAlternativePayment() {
     //   console.log("--- blockAlternativePayment");
            var paymentWay = $('.optimizedCheckout-form-checklist-item [name="paymentProviderRadio"]');
            if (paymentWay && paymentWay.length) {
                $.each(paymentWay, function (index, item) {
               //     console.log(item);

                    if (item.id ===  'radio-bigpaypay' ) { //radio-cd, radio-bigpaypay, radio-paypalcommerce, radio-braintree
                        $(item).trigger('click');
                    } else {
                        $(item).parent().parent().parent().hide();
                    }

                })
            }
    }

    // Expose `ready`
    win.ready = ready;
    win.blockAlternativePayment = blockAlternativePayment;

})(this);

ready('.optimizedCheckout-form-checklist-item [name="paymentProviderRadio"]', function (element) {
   	 console.log("Payment methods loaded!");
      if (!window.logged_in) {
            console.log("Guest User: Block alternative payment options!");
            blockAlternativePayment();
        } else {
            console.log("Customer: Allow all payment options!");
        }
});


</script>