const FREE_PAYMENT_METHOD_NAME = 'FREE';


function freePaymentRequest() {

    var paymentRequest = {
		customerId: customerId,
		label: createLabelObject(),
		couponCode: discountCoupon.getCustomersCode(),
		standardNote: standardNote.getNoteAnswerObject(),
		selectedProductOption: selectedProductOption,
		selectedShippingMethod: selectedShippingMethod,
		selectedPaymentMethod: selectedPaymentMethod,//it will be better to integrate it more.
		shoppingCartId: shoppingCartId
    };

    console.log('freePayment(): requesting charge with request ' + JSON.stringify(paymentRequest, null, 2));

    return request.post('/beta/payment/freepay/charge')
      .set('X-Request-ID', correlationId)
      .send(paymentRequest);
}


function freePaymentProcess() {

	if (singleProductCheckout) {
		updateFunnelState(label, customerId, FUNNEL_STATES.PAYMENT_REQUESTED_BY_CUSTOMER).end();
		updateFunnelState(label, customerId, FUNNEL_STATES.PAYMENT_INFO_COMPLETE).end();
	} else {
		updateMultiFunnelState(customerId, FUNNEL_STATES.PAYMENT_REQUESTED_BY_CUSTOMER);
		updateMultiFunnelState(customerId, FUNNEL_STATES.PAYMENT_INFO_COMPLETE);
	}
	console.log('freePaymentProcess(): charging with payment method ' + selectedPaymentMethod);
	updateCustomer().end();
	pay()
}

function putSelectedPaymentMethodAsFree() {
	selectedPaymentMethod = FREE_PAYMENT_METHOD_NAME;
}


function setupFree() {
	// 1) Handler for payment button (id podPaybutton)
	var freeButton = document.getElementById('freePaybutton');
	freeButton.addEventListener('click', freePaymentProcess);
	console.log('setupFree(): Free payment method setup!');
}


$(document).ready(function() {

	PAYMENT_METHOD_CHARGE_FUNCTIONS[FREE_PAYMENT_METHOD_NAME] = freePaymentRequest;

});