( function ( $ ) {
	var wcf_toggle_optimized_fields = function () {
		jQuery.each(
			cartflows_optimized_fields,
			function ( field, cartflows_optimized_field ) {
				if ( cartflows_optimized_field.is_optimized ) {
					jQuery( '#' + field ).prepend(
						'<a href="#" id="wcf_optimized_' +
							field +
							'">' +
							cartflows_optimized_field.field_label +
							'</a>'
					);
					jQuery( '#wcf_optimized_' + field ).on(
						'click',
						function ( e ) {
							e.preventDefault();
							jQuery( '#' + field ).removeClass(
								'wcf-hide-field'
							);
							// jQuery("#" + field).removeClass('mt20')
							var field_id = field.replace( /_field/g, '' );
							$( '#' + field_id ).trigger( 'focus' );
							jQuery( this ).remove();
						}
					);
				}
			}
		);
	};

	var wcf_page_title_notification = {
		vars: {
			originalTitle: document.title,
			interval: null,
		},
		On: function ( notification, intervalSpeed ) {
			var _this = this;
			_this.vars.interval = setInterval(
				function () {
					document.title =
						_this.vars.originalTitle == document.title
							? notification
							: _this.vars.originalTitle;
				},
				intervalSpeed ? intervalSpeed : 1000
			);
		},
		Off: function () {
			clearInterval( this.vars.interval );
			document.title = this.vars.originalTitle;
		},
	};

	var wcf_animate_browser_tab = function () {
		if ( 'yes' !== cartflows_animate_tab_fields.enabled ) {
			return;
		}

		$( window ).blur( function () {
			wcf_page_title_notification.On(
				cartflows_animate_tab_fields.title
			);
		} );

		$( window ).on( 'focus', function () {
			wcf_page_title_notification.Off();
		} );
	};

	// Scroll to top for the two step navigation.
	var wcf_scroll_to_top = function ( scrollTo ) {
		if ( scrollTo.length ) {
			event.preventDefault();
			$( 'html, body' )
				.stop()
				.animate(
					{
						scrollTop: scrollTo.offset().top - 50,
					},
					100
				);
		}
	};

	var wcf_display_spinner = function () {
		$(
			'.woocommerce-checkout-review-order-table, .wcf-product-option-wrap'
		).block( {
			message: null,
			overlayCSS: {
				background: '#fff',
				opacity: 0.6,
			},
		} );
	};

	var wcf_remove_spinner = function ( rsp ) {
		if ( jQuery( '.wc_payment_methods' ).length ) {
			if ( rsp.hasOwnProperty( 'cart_total' ) ) {
				var cart_total = parseFloat( rsp.cart_total );
				if ( cart_total > 0 ) {
					if ( rsp.hasOwnProperty( 'fragments' ) ) {
						$.each( rsp.fragments, function ( key, value ) {
							$( key ).replaceWith( value );
						} );
					}
					$(
						'.woocommerce-checkout-review-order-table, .wcf-product-option-wrap'
					).unblock();
				} else {
					$( 'body' ).trigger( 'update_checkout' );
					$(
						'.woocommerce-checkout-review-order-table, .wcf-product-option-wrap'
					).unblock();
				}
			}
		} else {
			$( 'body' ).trigger( 'update_checkout' );
			$(
				'.woocommerce-checkout-review-order-table, .wcf-product-option-wrap'
			).unblock();
		}
	};

	var wcf_product_quantity_var_options = function () {
		var wcf_variation_validation_trigger_click = function () {
			$( 'form.woocommerce-checkout' ).on(
				'checkout_place_order',
				function ( e ) {
					var invalid_var = $(
						'.wcf-select-variation-attribute.wcf-invalid-variation'
					);

					if ( invalid_var.length > 0 ) {
						e.preventDefault();
						wcf_scroll_to_top( invalid_var );
						return ! 1;
					}
				}
			);

			$( '.wcf-select-variation-attribute' ).on( 'click', function ( e ) {
				e.preventDefault();

				var wrap = $( this ).closest( '.wcf-qty-row' );

				wrap.find( '.wcf-item-choose-options a' ).trigger( 'click' );
			} );
		};

		/* Single Selection */
		$( document ).on( 'change', '.wcf-single-sel', function () {
			var $this = $( this );
			var wrap = $this.closest( '.wcf-qty-row' );
			var option = wrap.data( 'options' );
			var input = wrap.find( '.wcf-qty input' );
			var input_quantity = parseInt( input.val() );
			var checkout_id = $( '._wcf_checkout_id' ).val();

			if ( 0 >= input_quantity || isNaN( input_quantity ) ) {
				input.val( 1 );
				input_quantity = 1;
			}

			option[ 'input_quantity' ] = input_quantity;
			option[ 'checkout_id' ] = checkout_id;

			wcf_display_spinner();
			$.ajax( {
				url: cartflows.ajax_url,
				data: {
					action: 'wcf_single_selection',
					option: option,
					security: cartflows.wcf_single_selection_nonce,
				},
				dataType: 'json',
				type: 'POST',
				success: function ( response ) {
					if ( response.hasOwnProperty( 'cartflows_data' ) ) {
						wrap.find( '.wcf-display-quantity' ).html(
							response.cartflows_data.display_quantity
						);
						wrap.find( '.wcf-display-price' ).html(
							response.cartflows_data.display_price
						);
						wrap.find( '.wcf-display-discount-value' ).html(
							response.cartflows_data.display_discount_value
						);
						wrap.find( '.wcf-display-discount-percent' ).html(
							response.cartflows_data.display_discount_percent
						);

						wrap.find( '.wcf_subscription_price' ).html(
							response.cartflows_data.subscription_price
						);
						wrap.find( '.wcf_subscription_fee' ).html(
							response.cartflows_data.sign_up_fee
						);
						console.log( response );
					}

					wcf_remove_spinner( response );
					option[ 'cart_item_key' ] = response.cart_item_key;
					wrap.attr( 'data-options', JSON.stringify( option ) );

					// Re-calculate the cart total
					$( document.body ).trigger( 'updated_cart_totals' );
				},
				error: function ( error ) {
					$( '.woocommerce-checkout-review-order-table' ).unblock();
				},
			} );
		} );

		/* Multiple Selection */
		$( document ).on( 'change', '.wcf-multiple-sel', function () {
			var checked_cb = $( '.wcf-multiple-sel:checked' );
			var $this = $( this );
			var wrap = $this.closest( '.wcf-qty-row' );
			var option = wrap.data( 'options' );
			var input = wrap.find( '.wcf-qty input' );
			var input_quantity = parseInt( input.val() );
			var checkout_id = $( '._wcf_checkout_id' ).val();

			if ( 0 >= input_quantity || isNaN( input_quantity ) ) {
				input.val( 1 );
				input_quantity = 1;
			}

			if ( 0 == checked_cb.length ) {
				$this.prop( 'checked', true );
				$this.prop( 'disabled', true );
				return;
			}

			if ( 1 == checked_cb.length ) {
				checked_cb.prop( 'disabled', true );
			} else {
				checked_cb.removeAttr( 'disabled' );
			}

			option[ 'checkout_id' ] = checkout_id;
			option[ 'input_quantity' ] = input_quantity;
			option[ 'checked' ] = 'no';

			if ( $this.is( ':checked' ) ) {
				option[ 'checked' ] = 'yes';
			}

			wcf_display_spinner();

			$.ajax( {
				url: cartflows.ajax_url,
				data: {
					action: 'wcf_multiple_selection',
					option: option,
					security: cartflows.wcf_multiple_selection_nonce,
				},
				dataType: 'json',
				type: 'POST',
				success: function ( response ) {
					if ( response.hasOwnProperty( 'cartflows_data' ) ) {
						wrap.find( '.wcf-display-quantity' ).html(
							response.cartflows_data.display_quantity
						);
						wrap.find( '.wcf-display-price' ).html(
							response.cartflows_data.display_price
						);
						wrap.find( '.wcf-display-discount-value' ).html(
							response.cartflows_data.display_discount_value
						);
						wrap.find( '.wcf-display-discount-percent' ).html(
							response.cartflows_data.display_discount_percent
						);

						wrap.find( '.wcf_subscription_price' ).html(
							response.cartflows_data.subscription_price
						);
						wrap.find( '.wcf_subscription_fee' ).html(
							response.cartflows_data.sign_up_fee
						);
					}

					wcf_remove_spinner( response );
					option[ 'cart_item_key' ] = response.cart_item_key;
					wrap.attr( 'data-options', JSON.stringify( option ) );

					// Re-calculate the cart total
					$( document.body ).trigger( 'updated_cart_totals' );
				},
				error: function ( error ) {
					$( '.woocommerce-checkout-review-order-table' ).unblock();
				},
			} );
		} );

		/* Force All Selection */
		$( document ).on( 'change', '.wcf-var-sel', function () {
			var $this = $( this );
			var wrap = $this.closest( '.wcf-qty-row' );
			var input = wrap.find( '.wcf-qty input' );
			var option = wrap.data( 'options' );
			var input_quantity = parseInt( input.val() );
			var checkout_id = $( '._wcf_checkout_id' ).val();

			option[ 'checkout_id' ] = checkout_id;
			option[ 'input_quantity' ] = input_quantity;

			wcf_display_spinner();

			$.ajax( {
				url: cartflows.ajax_url,
				data: {
					action: 'wcf_variation_selection',
					option: option,
					security: cartflows.wcf_variation_selection_nonce,
				},
				dataType: 'json',
				type: 'POST',
				success: function ( response ) {
					if ( response.hasOwnProperty( 'cartflows_data' ) ) {
						wrap.find( '.wcf-display-quantity' ).html(
							response.cartflows_data.display_quantity
						);
						wrap.find( '.wcf-display-price' ).html(
							response.cartflows_data.display_price
						);
						wrap.find( '.wcf-display-discount-value' ).html(
							response.cartflows_data.display_discount_value
						);
						wrap.find( '.wcf-display-discount-percent' ).html(
							response.cartflows_data.display_discount_percent
						);

						wrap.find( '.wcf_subscription_price' ).html(
							response.cartflows_data.subscription_price
						);
						wrap.find( '.wcf_subscription_fee' ).html(
							response.cartflows_data.sign_up_fee
						);
					}

					wcf_remove_spinner( response );
					// Re-calculate the cart total