<?php
/**
 * Easy Digital Downloads Gateway Settings
 *
 * @package     EDD
 * @subpackage  Settings
 * @copyright   Copyright (c) 2023, Easy Digital Downloads
 * @license     https://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since       3.1.4
 */

namespace EDD\Admin\Settings\Tabs;

defined( 'ABSPATH' ) || exit;

/**
 * Gateway settings tab class.
 *
 * @since 3.1.4
 */
class Gateways extends Tab {

	/**
	 * Get the ID for this tab.
	 *
	 * @since 3.1.4
	 * @var string
	 */
	protected $id = 'gateways';

	/**
	 * Register the settings for this tab.
	 *
	 * @since 3.1.4
	 * @return array
	 */
	protected function register() {

		$gateways = edd_get_payment_gateways();

		$empty_cart_settings_provider = edd_get_namespace( 'Admin\\Settings\\EmptyCartBehavior' );

		return array(
			'main'       => array(
				'test_mode'       => $this->get_test_mode(),
				'gateways'        => array(
					'id'      => 'gateways',
					'name'    => __( 'Active Gateways', 'easy-digital-downloads' ),
					'desc'    => __( 'Choose the payment gateways you want to enable.', 'easy-digital-downloads' ),
					'type'    => 'gateways',
					'options' => $gateways,
				),
				'default_gateway' => array(
					'id'      => 'default_gateway',
					'name'    => __( 'Default Gateway', 'easy-digital-downloads' ),
					'desc'    => __( 'Choose the gateway your checkout will use by default.<br />If you choose Automatic, the first enabled gateway from the Active Gateways will be used.', 'easy-digital-downloads' ),
					'type'    => 'gateway_select',
					'options' => $gateways,
				),
				'accepted_cards'  => array(
					'id'      => 'accepted_cards',
					'name'    => __( 'Payment Method Icons', 'easy-digital-downloads' ),
					'desc'    => __( 'Display icons for the selected payment methods.', 'easy-digital-downloads' ) . '<br/>' . __( 'You will also need to configure your gateway settings if you are accepting credit cards.', 'easy-digital-downloads' ),
					'type'    => 'payment_icons',
					'options' => apply_filters(
						'edd_accepted_payment_icons',
						array(
							'mastercard'      => 'Mastercard',
							'visa'            => 'Visa',
							'americanexpress' => 'American Express',
							'discover'        => 'Discover',
							'paypal'          => 'PayPal',
						)
					),
				),
			),
			'checkout'   => array(
				'enforce_ssl'             => array(
					'id'      => 'enforce_ssl',
					'name'    => __( 'Enforce SSL on Checkout', 'easy-digital-downloads' ),
					'check'   => __( 'Redirect all customers to the secure checkout page. You must have an SSL certificate installed to use this option.', 'easy-digital-downloads' ),
					'type'    => 'checkbox_toggle',
					'options' => array(
						'disabled' => is_ssl() ? false : true,
					),
				),
				'logged_in_only'          => array(
					'id'      => 'logged_in_only',
					'name'    => __( 'Customer Registration', 'easy-digital-downloads' ),
					'type'    => 'select',
					'desc'    => __( 'You may allow customers to place orders without a user account.', 'easy-digital-downloads' ) .
						'<br />' .
						__( 'Setting this to auto will create a user account if one does not exist for a customer.', 'easy-digital-downloads' ),
					'options' => array(
						''         => __( 'Allow customers to place orders without an account', 'easy-digital-downloads' ),
						'required' => __( 'Customers must log in or create an account to purchase', 'easy-digital-downloads' ),
						'auto'     => __( 'Automatically register new user accounts', 'easy-digital-downloads' ),
					),
				),
				'show_register_form'      => $this->get_register_form(),
				'checkout_address_fields' => array(
					'id'       => 'checkout_address_fields',
					'name'     => __( 'Checkout Address Fields', 'easy-digital-downloads' ),
					'desc'     => $this->get_checkout_fields_description(),
					'type'     => 'multicheck',
					'std'      => $this->get_address_field_defaults(),
					'toggle'   => true,
					'sortable' => true,
					'options'  => $this->get_address_options(),
				),
				'geolocation'             => array(
					'id'       => 'geolocation',
					'name'     => __( 'Geolocation Detection', 'easy-digital-downloads' ),
					'desc'     => $this->get_geolocation_description(),
					'type'     => 'select',
					'options'  => array(
						'' => __( 'Disabled', 'easy-digital-downloads' ),
					),
					'disabled' => true,
				),
				'moderation_settings'     => array(
					'id'            => 'moderation_settings',
					'name'          => '<h3>' . __( 'Moderation', 'easy-digital-downloads' ) . '</h3>',
					'desc'          => '',
					'type'          => 'header',
					'tooltip_title' => __( 'Moderation', 'easy-digital-downloads' ),
					'tooltip_desc'  => __( 'It is sometimes necessary to temporarily prevent certain potential customers from checking out. Use these settings to control who can make purchases.', 'easy-digital-downloads' ),
				),
				'banned_emails'           => array(
					'id'          => 'banned_emails',
					'name'        => __( 'Banned Emails', 'easy-digital-downloads' ),
					'desc'        => __( 'Emails placed in the box above will not be allowed to make purchases.', 'easy-digital-downloads' ) . '<br>' . __( 'One per line, enter: email addresses, domains (<code>@example.com</code>), or TLDs (<code>.gov</code>).', 'easy-digital-downloads' ),
					'type'        => 'textarea',
					'placeholder' => __( '@example.com', 'easy-digital-downloads' ),
				),
			),
			'cart'       => array(
				'redirect_on_add'          => array(
					'id'            => 'redirect_on_add',
					'name'          => __( 'Redirect to Checkout', 'easy-digital-downloads' ),
					'check'         => __( 'Immediately redirect to checkout after adding an item to the cart?', 'easy-digital-downloads' ),
					'type'          => 'checkbox_toggle',
					'tooltip_title' => __( 'Redirect to Checkout', 'easy-digital-downloads' ),
					'tooltip_desc'  => __( 'When enabled, once an item has been added to the cart, the customer will be redirected directly to your checkout page. This is useful for stores that sell single items.', 'easy-digital-downloads' ),
				),
				'enable_cart_preview'      => array(
					'id'    => 'enable_cart_preview',
					'name'  => __( 'Cart Preview', 'easy-digital-downloads' ),
					'check' => sprintf(
						__( 'Show a sliding cart drawer when customers add products to their cart. %1$sLearn More%2$s', 'easy-digital-downloads' ),
						'<a href="' . edd_link_helper(
							'https://easydigitaldownloads.com/docs/enabling-cart-previews/',
							array(
								'utm_medium'  => 'settings',
								'utm_content' => 'cart-preview-learn-more',
							)
						) . '" target="_blank" rel="noopener noreferrer">',
						'</a>'
					),
					'type'  => 'checkbox_toggle',
					'desc'  => edd_get_option( 'redirect_on_add' ) ? __( 'The cart preview will not open automatically when the store is set up to immediately redirect to checkout.', 'easy-digital-downloads' ) : '',
					'data'  => array(
						'edd-requirement' => 'enable_cart_preview',
					),
				),
				'cart_preview_button'      => array(
					'id'    => 'cart_preview_button',
					'name'  => __( 'Cart Preview Button', 'easy-digital-downloads' ),
					'type'  => 'hook',
					'class' => $this->get_requires_css_class( 'enable_cart_preview' ),
				),
				'cart_recommendations'     => array(
					'id'      => 'cart_recommendations',
					'type'    => 'checkbox_toggle',
					'name'    => __( 'Cart Recommendations', 'easy-digital-downloads' ),
					'check'   => sprintf(
						__( 'Show recommended products in the cart preview. %1$sLearn More%2$s', 'easy-digital-downloads' ),
						'<a href="' . edd_link_helper(
							'https://easydigitaldownloads.com/docs/enabling-cart-recommendations/',
							array(
								'utm_medium'  => 'settings',
								'utm_content' => 'cart-recommendations-learn-more',
							)
						) . '" target="_blank" rel="noopener noreferrer">',
						'</a>'
					),
					'options' => array(
						'disabled' => ! edd_is_pro() || ( edd_is_pro() && edd_is_inactive_pro() ),
					),
					'desc'    => $this->get_cart_recommendations_description(),
					'class'   => $this->get_requires_css_class( 'enable_cart_preview', array( 'edd-ai-powered' ) ),
				),
				'enable_cart_saving'       => array(
					'id'            => 'enable_cart_saving',
					'name'          => __( 'Enable Cart Saving', 'easy-digital-downloads' ),
					'check'         => __( 'Allow users to temporarily save their cart at checkout.', 'easy-digital-downloads' ),
					'type'          => 'checkbox_toggle',
					'tooltip_title' => __( 'Cart Saving', 'easy-digital-downloads' ),
					'tooltip_desc'  => __( 'Cart saving allows shoppers to create a temporary link to their current shopping cart so they can come back to it later, or share it with someone.', 'easy-digital-downloads' ),
				),
				'item_quantities'          => array(
					'id'    => 'item_quantities',
					'name'  => __( 'Cart Item Quantities', 'easy-digital-downloads' ),
					/* translators: %s: Downloads plural label */
					'check' => sprintf( __( 'Allow quantities to be adjusted when adding %s to the cart, and while viewing the checkout cart.', 'easy-digital-downloads' ), edd_get_label_plural( true ) ),
					'type'  => 'checkbox_toggle',
					'desc'  => '',
				),
				'empty_cart_settings'      => array(
					'id'            => 'empty_cart_settings',
					'name'          => '<h3>' . __( 'Empty Cart Settings', 'easy-digital-downloads' ) . '</h3>',
					'desc'          => '',
					'type'          => 'header',
					'tooltip_title' => __( 'Empty Cart Settings', 'easy-digital-downloads' ),
					'tooltip_desc'  => __( 'Control the behavior of the checkout page when the cart is empty.', 'easy-digital-downloads' ),
				),
				'empty_cart_behavior'      => $empty_cart_settings_provider::get_empty_cart_behavior_setting(),
				'empty_cart_message'       => $empty_cart_settings_provider::get_empty_cart_message_setting(),
				'empty_cart_preview'       => array(
					'id'    => 'empty_cart_preview',
					'name'  => __( 'Empty Cart Preview Message', 'easy-digital-downloads' ),
					'desc'  => __( 'The message to display in the cart preview when the cart is empty. This setting does not support shortcodes or complex formatting.', 'easy-digital-downloads' ),
					'type'  => 'textarea',
					'std'   => __( 'Your cart is empty.', 'easy-digital-downloads' ),
					'class' => $this->get_requires_css_class( 'enable_cart_preview' ),
				),
				'empty_cart_redirect_page' => $empty_cart_settings_provider::get_empty_cart_redirect_page_setting(),
				'empty_cart_redirect_url'  => $empty_cart_settings_provider::get_empty_cart_redirect_url_setting(),
			),
			'refunds'    => array(
				'refunds_settings' => array(
					'id'            => 'refunds_settings',
					'name'          => '<h3>' . __( 'Refunds', 'easy-digital-downloads' ) . '</h3>',
					'desc'          => '',
					'type'          => 'header',
					'tooltip_title' => __( 'Refunds', 'easy-digital-downloads' ),
					'tooltip_desc'  => __( 'As a shop owner, sometimes refunds are necessary. Use these settings to decide how refunds will work in your shop.', 'easy-digital-downloads' ),
				),
				'refundability'    => array(
					'id'      => 'refundability',
					'name'    => __( 'Default Status', 'easy-digital-downloads' ),
					'desc'    => __( 'This will be the store default. It can be changed at a per-product level.', 'easy-digital-downloads' ),
					'type'    => 'select',
					'std'     => 'refundable',
					'options' => edd_get_refundability_types(),
				),
				'refund_window'    => array(
					'id'   => 'refund_window',
					'name' => __( 'Refund Window', 'easy-digital-downloads' ),
					'desc' => __( 'Number of days (after a sale) when refunds can be processed.<br>Default is <code>30</code> days. Set to <code>0</code> for infinity. It can be changed at a per-product level.', 'easy-digital-downloads' ),
					'std'  => 30,
					'type' => 'number',
					'size' => 'small',
					'max'  => 3650, // Ten year maximum, because why explicitly support longer.
					'min'  => 0,
					'step' => 1,
				),
			),
			'accounting' => $this->get_accounting_settings(),
		);
	}

	/**
	 * Get the test mode setting.
	 *
	 * @since 3.1.4
	 * @return array
	 */
	private function get_test_mode() {

		$test_mode = array(
			'id'            => 'test_mode',
			'name'          => __( 'Enable Test Mode', 'easy-digital-downloads' ),
			'tooltip_title' => __( 'What is Test Mode?', 'easy-digital-downloads' ),
			'tooltip_desc'  => __( 'While test mode is enabled, no live transactions are processed.<br>Use test mode in conjunction with the sandbox/test account for the payment gateways to test your checkout process.', 'easy-digital-downloads' ),
			'type'          => 'checkbox_toggle',
		);
		// If test_mode is being forced to true, alter the setting so it cannot be modified.
		if ( ! edd_is_test_mode_forced() ) {
			return $test_mode;
		}

		return array_merge(
			array(
				'options'       => array(
					'disabled' => true,
					'readonly' => true,
				),
				'tooltip_title' => __( 'Forced Test Mode', 'easy-digital-downloads' ),
				'tooltip_desc'  => __( 'You currently cannot modify the Test Mode setting, as the \'EDD_TEST_MODE\' constant has been defined as \'true\' or the edd_is_test_mode filter is being forced to \'true\'.', 'easy-digital-downloads' ),
			),
			$test_mode
		);
	}

	/**
	 * Gets the accounting settings.
	 *
	 * @since 3.1.4
	 * @return array
	 */
	private function get_accounting_settings() {
		$settings = array(
			'enable_skus'        => array(
				'id'    => 'enable_skus',
				'name'  => __( 'Enable SKU Entry', 'easy-digital-downloads' ),
				'check' => __( 'SKUs will be shown on purchase receipt and exported purchase histories.', 'easy-digital-downloads' ),
				'type'  => 'checkbox_toggle',
			),
			'enable_sequential'  => array(
				'id'            => 'enable_sequential',
				'name'          => __( 'Enable Sequential Numbering', 'easy-digital-downloads' ),
				'tooltip_title' => __( 'Sequential Order Numbers', 'easy-digital-downloads' ),
				'tooltip_desc'  => __( 'This setting will not impact previous orders. Future orders will be assigned a sequential number.', 'easy-digital-downloads' ),
				'type'          => 'checkbox_toggle',
			),
			'sequential_start'   => $this->get_sequential_start(),
			'sequential_prefix'  => array(
				'id'   => 'sequential_prefix',
				'name' => __( 'Sequential Number Prefix', 'easy-digital-downloads' ),
				'desc' => __( 'A prefix to prepend to all sequential order numbers.', 'easy-digital-downloads' ),
				'type' => 'text',
			),
			'sequential_postfix' => array(
				'id'   => 'sequential_postfix',
				'name' => __( 'Sequential Number Postfix', 'easy-digital-downloads' ),
				'desc' => __( 'A postfix to append to all sequential order numbers.', 'easy-digital-downloads' ),
				'type' => 'text',
			),
		);

		if ( ! defined( 'EDD_SON_VERSION' ) ) {
			$settings['sequential_help'] = array(
				'id'   => 'sequential_help',
				'name' => __( 'Advanced Order Numbers', 'easy-digital-downloads' ),
				'desc' => $this->get_sequential_help_text(),
				'type' => 'descriptive_text',
			);
		}

		return $settings;
	}

	/**
	 * Gets the sequential starting number setting.
	 *
	 * @since 3.1.4
	 * @return array
	 */
	private function get_sequential_start() {

		$setting = array(
			'id'   => 'sequential_start',
			'name' => __( 'Sequential Starting Number', 'easy-digital-downloads' ),
			'desc' => __( 'The number at which the sequence should begin.', 'easy-digital-downloads' ),
			'type' => 'number',
			'size' => 'small',
			'std'  => 1,
		);

		if ( (bool) get_option( 'edd_next_order_number' ) ) {
			$order_number    = new \EDD\Orders\Number();
			$setting['desc'] = __( 'Once sequential order numbering is active, the starting number cannot be updated to an order number that\'s smaller than the highest order number. Update this with care.', 'easy-digital-downloads' ) .
			'<br />' .
			sprintf(
				/* translators: %s: next order number, wrapped in code tags */
				__( 'The next order number will be %s.', 'easy-digital-downloads' ),
				'<code>' . $order_number->format( get_option( 'edd_next_order_number' ) ) . '</code>'
			);
		}

		return $setting;
	}

	/**
	 * Gets the sequential help text.
	 *
	 * @since 3.1.4
	 * @return string
	 */
	private function get_sequential_help_text() {
		$text     = __( 'Gain access to even more control over your order numbering!', 'easy-digital-downloads' );
		$benefits = array(
			__( 'Track free orders in a separate sequential series', 'easy-digital-downloads' ),
			__( 'Assign temporary numbers to incomplete orders', 'easy-digital-downloads' ),
			__( 'Abandoned orders do not interrupt the complete order series', 'easy-digital-downloads' ),
		);
		$text    .= '<ul class="edd-settings__list--disc">';
		foreach ( $benefits as $benefit ) {
			$text .= '<li>' . $benefit . '</li>';
		}
		$text .= '</ul>';

		if ( ! edd_is_pro() ) {

			$url = edd_link_helper(
				'https://easydigitaldownloads.com/lite-upgrade/',
				array(
					'utm_medium'  => 'accounting-settings',
					'utm_content' => 'upgrade-to-pro',
				)
			);

			$text .= sprintf( '<a href="%s" target="_blank" class="edd-pro-upgrade">' . __( 'Upgrade to Pro', 'easy-digital-downloads' ) . '</a>', $url );
		} else {
			$text .= sprintf(
			/* translators: 1: opening anchor tag, 2: closing anchor tag */
				__( 'Access %1$sAdvanced Sequential Order Numbers%2$s today.', 'easy-digital-downloads' ),
				'<a href="' . esc_url(
					edd_get_admin_url(
						array(
							'page'   => 'edd-addons',
							'filter' => 'sequential',
						)
					)
				) . '">',
				'</a>'
			);
		}

		return $text;
	}

	/**
	 * Get the geolocation description.
	 *
	 * @since 3.2.8
	 * @return string
	 */
	private function get_geolocation_description() {
		if ( ! empty( $this->get_pass_id() ) ) {
			$settings_url = add_query_arg(
				array(
					'page' => 'edd-settings',
				),
				edd_get_admin_url()
			);

			return sprintf(
				/* translators: 1: opening anchor tag, 2: closing anchor tag */
				__( 'GeoLocation Detection is only available in Easy Digital Downloads Pro. %1$sVerify your pass to get access to pro features.%2$s', 'easy-digital-downloads' ),
				'<a href="' . esc_url( $settings_url ) . '">',
				'</a>'
			);
		}

		$upgrade_link = edd_link_helper(
			'https://easydigitaldownloads.com/lite-upgrade',
			array(
				'utm_medium'  => 'settings',
				'utm-content' => 'geolocation',
			)
		);

		return sprintf(
		/* translators: 1: opening anchor tag, 2: closing anchor tag */
			__( 'Increase conversions by auto-filling address information for customers during checkout. To enable GeoLocation Detection, %1$sUpgrade to Pro%2$s.', 'easy-digital-downloads' ),
			'<a href="' . $upgrade_link . '" class="edd-pro-upgrade" target="_blank">',
			'</a>'
		);
	}

	/**
	 * Gets the register form setting.
	 *
	 * @since 3.3.0
	 * @return array
	 */
	private function get_register_form() {
		return array(
			'id'      => 'show_register_form',
			'name'    => __( 'Show Register / Login Form', 'easy-digital-downloads' ),
			'desc'    => __( 'Display the registration and login forms on the checkout page for non-logged-in users.', 'easy-digital-downloads' ),
			'type'    => 'select',
			'std'     => 'none',
			'options' => array(
				'both'         => __( 'Registration and Login Forms', 'easy-digital-downloads' ),
				'registration' => __( 'Registration Form Only', 'easy-digital-downloads' ),
				'login'        => __( 'Login Form Only', 'easy-digital-downloads' ),
				'none'         => __( 'None', 'easy-digital-downloads' ),
			),
		);
	}

	/**
	 * Gets the description for the checkout address fields.
	 *
	 * @since 3.3.8
	 * @return array
	 */
	private function get_checkout_fields_description(): string {
		if ( ! $this->is_admin_page( 'settings', $this->id ) ) {
			return '';
		}
		if ( 'checkout' !== filter_input( INPUT_GET, 'section', FILTER_SANITIZE_SPECIAL_CHARS ) ) {
			return '';
		}

		$description  = __( 'Select how you would like to display the billing address fields on the checkout form.', 'easy-digital-downloads' );
		$description .= '<br><br>';
		$description .= __( '<strong>Notes</strong>:', 'easy-digital-downloads' );
		$description .= '<ul class="edd-settings__list--disc">';
		$description .= '<li>' . __( 'If taxes are enabled, you must collect enough address information to handle tax collection.', 'easy-digital-downloads' ) . '</li>';
		if ( edd_is_gateway_setup( 'stripe' ) ) {
			$description .= '<li>' . sprintf(
				/* translators: 1: opening anchor tag, 2: closing anchor tag */
				__( 'If "Postal Code" is not selected, you must disable the %1$spostal code verification%2$s rule in Stripe Radar.', 'easy-digital-downloads' ),
				'<a href="https://dashboard.stripe.com/radar/rule-details?ruleId=block_if_wrong_zip" target="_blank" rel="noopener noreferrer">',
				'</a>'
			) . '</li>';
			if ( \EDD\Gateways\Stripe\PaymentMethods::get_payment_method( 'affirm' ) ) {
				$description .= '<li>' . __( 'If an order qualifies for <strong>Affirm</strong> financing, the customer will be required to enter a billing address, regardless of the address fields selected.', 'easy-digital-downloads' ) . '</li>';
			}
		}
		$description .= '</ul>';

		return $description;
	}

	/**
	 * Get the default address fields for the checkout form.
	 *
	 * @since 3.3.8
	 * @return array
	 */
	private function get_address_field_defaults(): array {
		if ( ! $this->is_admin_page( 'settings', $this->id ) ) {
			return array();
		}

		$stripe_fields = edd_get_option( 'stripe_billing_fields' );
		$taxes_enabled = edd_use_taxes();
		if ( ( empty( $stripe_fields ) || 'none' === $stripe_fields ) && ! $taxes_enabled ) {
			return array();
		}

		if ( 'full' === $stripe_fields || $taxes_enabled ) {
			return array(
				'address'   => 1,
				'address_2' => 1,
				'city'      => 1,
				'state'     => 1,
				'zip'       => 1,
				'country'   => 1,
			);
		}

		if ( 'zip_country' === $stripe_fields ) {
			return array(
				'zip'     => 1,
				'country' => 1,
			);
		}

		return array();
	}

	/**
	 * Get the address options for the checkout form.
	 *
	 * @since 3.3.8
	 * @return array
	 */
	private function get_address_options(): array {
		if ( ! $this->is_admin_page( 'settings', $this->id ) ) {
			return array();
		}
		if ( 'checkout' !== filter_input( INPUT_GET, 'section', FILTER_SANITIZE_SPECIAL_CHARS ) ) {
			return array();
		}

		$options = \EDD\Forms\Checkout\Registry::get_fields();
		$order   = edd_get_option( 'checkout_address_fields_order', array() );
		if ( ! empty( $order ) ) {
			$order = explode( ',', $order );

			$options = array_merge( array_flip( $order ), $options );
		}

		if ( ! \EDD\Checkout\Validator::has_block() ) {
			$original_shortcode_order = array( 'address', 'address_2', 'city', 'zip', 'country', 'state' );
			$options                  = array_merge( array_flip( $original_shortcode_order ), $options );
		}

		if ( edd_use_taxes() ) {
			$options['country']['disabled']           = true;
			$options['country']['checked']            = true;
			$options['country']['tooltip']['content'] = __( 'Required for tax calculations.', 'easy-digital-downloads' );

			$tax_rates         = new \EDD\Database\Queries\TaxRate();
			$has_regional_rate = $tax_rates->query(
				array(
					'scope'  => 'region',
					'status' => 'active',
					'number' => 1,
				)
			);
			if ( ! empty( $has_regional_rate ) ) {
				$options['state']['disabled']           = true;
				$options['state']['checked']            = true;
				$options['state']['tooltip']['content'] = __( 'Required for tax calculations.', 'easy-digital-downloads' );
			}
		}

		return $options;
	}

	/**
	 * Get the description for the cart recommendations:
	 * - If Pro is active, return an empty string.
	 * - If Pro is inactive, return a link to the upgrade page.
	 * - If Pro is inactive and the user is on the cart section, return a button to trigger the preview recommendations notice.
	 *
	 * @since 3.6.2
	 * @return string
	 */
	private function get_cart_recommendations_description(): string {
		if ( ! $this->is_admin_page( 'settings', $this->id ) ) {
			return '';
		}
		if ( 'cart' !== $this->get_section() ) {
			return '';
		}

		return sprintf(
			/* translators: 1: opening button tag, 2: closing button tag */
			__( 'Enable smart product recommendations in your cart preview when you %1$sUpgrade to Pro%2$s.', 'easy-digital-downloads' ),
			'<button class="edd-pro-upgrade button-link edd-promo-notice__trigger" data-id="previewrecommendations">',
			'</button>'
		);
	}
}
