private static function _get_return_notices() {
		$return_status = isset( $_GET['wc-helper-status'] ) ? wc_clean( wp_unslash( $_GET['wc-helper-status'] ) ) : null;
		$notices       = array();

		switch ( $return_status ) {
			case 'activate-success':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$notices[]    = array(
					'type'    => 'updated',
					'message' => sprintf(
						/* translators: %s: product name */
						__( '%s activated successfully. You will now receive updates for this product.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
					),
				);
				break;

			case 'activate-error':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$notices[]    = array(
					'type'    => 'error',
					'message' => sprintf(
						/* translators: %s: product name */
						__( 'An error has occurred when activating %s. Please try again later.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
					),
				);
				break;

			case 'deactivate-success':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$local        = self::_get_local_from_product_id( $product_id );

				$message = sprintf(
					/* translators: %s: product name */
					__( 'Subscription for %s deactivated successfully. You will no longer receive updates for this product.', 'woocommerce' ),
					'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
				);

				if ( $local && is_plugin_active( $local['_filename'] ) && current_user_can( 'activate_plugins' ) ) {
					$deactivate_plugin_url = add_query_arg(
						array(
							'page'                        => 'wc-addons',
							'section'                     => 'helper',
							'filter'                      => self::get_current_filter(),
							'wc-helper-deactivate-plugin' => 1,
							'wc-helper-product-id'        => $subscription['product_id'],
							'wc-helper-nonce'             => wp_create_nonce( 'deactivate-plugin:' . $subscription['product_id'] ),
						),
						admin_url( 'admin.php' )
					);

					$message = sprintf(
						/* translators: %1$s: product name, %2$s: deactivate url */
						__( 'Subscription for %1$s deactivated successfully. You will no longer receive updates for this product. <a href="%2$s">Click here</a> if you wish to deactivate the plugin as well.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>',
						esc_url( $deactivate_plugin_url )
					);
				}

				$notices[] = array(
					'message' => $message,
					'type'    => 'updated',
				);
				break;

			case 'deactivate-error':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$notices[]    = array(
					'type'    => 'error',
					'message' => sprintf(
						/* translators: %s: product name */
						__( 'An error has occurred when deactivating the subscription for %s. Please try again later.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
					),
				);
				break;

			case 'deactivate-plugin-success':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$notices[]    = array(
					'type'    => 'updated',
					'message' => sprintf(
						/* translators: %s: product name */
						__( 'The extension %s has been deactivated successfully.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>'
					),
				);
				break;

			case 'deactivate-plugin-error':
				$product_id   = isset( $_GET['wc-helper-product-id'] ) ? absint( $_GET['wc-helper-product-id'] ) : 0;
				$subscription = self::_get_subscriptions_from_product_id( $product_id );
				$notices[]    = array(
					'type'    => 'error',
					'message' => sprintf(
						/* translators: %1$s: product name, %2$s: plugins screen url */
						__( 'An error has occurred when deactivating the extension %1$s. Please proceed to the <a href="%2$s">Plugins screen</a> to deactivate it manually.', 'woocommerce' ),
						'<strong>' . esc_html( $subscription['product_name'] ) . '</strong>',
						admin_url( 'plugins.php' )
					),
				);
				break;

			case 'helper-connected':
				$notices[] = array(
					'message' => __( 'You have successfully connected your store to WooCommerce.com', 'woocommerce' ),
					'type'    => 'updated',
				);
				break;

			case 'helper-disconnected':
				$notices[] = array(
					'message' => __( 'You have successfully disconnected your store from WooCommerce.com', 'woocommerce' ),
					'type'    => 'updated',
				);
				break;

			case 'helper-refreshed':
				$notices[] = array(
					'message' => __( 'Authentication and subscription caches refreshed successfully.', 'woocommerce' ),
					'type'    => 'updated',
				);
				break;
		}

		return $notices;
	}