}

		printf( '<wc-order-attribution-inputs></wc-order-attribution-inputs>' );

		if ( ! $allow_multiple ) {
			self::$is_stamp_html_called = true;
		}
	}

	/**
	 * Save source data for a Customer object.
	 *
	 * @param WC_Customer $customer The customer object.
	 *
	 * @return void
	 */
	private function set_customer_source_data( WC_Customer $customer ) {
		// Nonce check is handled before user_register hook.
		// phpcs:ignore WordPress.Security.NonceVerification
		foreach ( $this->get_source_values( $this->get_unprefixed_field_values( $_POST ) ) as $key => $value ) {
			$customer->add_meta_data( $this->get_meta_prefixed_field_name( $key ), $value );
		}

		$customer->save_meta_data();
	}

	/**
	 * Save source data for an Order object.
	 *
	 * @param array    $source_data The source data.
	 * @param WC_Order $order       The order object.
	 *
	 * @return void
	 */
	private function set_order_source_data( array $source_data, WC_Order $order ) {
		// If all the values are empty, bail.
		if ( empty( array_filter( $source_data ) ) ) {
			return;
		}
		foreach ( $source_data as $key => $value ) {
			$order->add_meta_data( $this->get_meta_prefixed_field_name( $key ), $value );
		}

		$order->save_meta_data();
	}

	/**
	 * Log a message as a debug log entry.
	 *
	 * @param string $message The message to log.
	 * @param string $method  The method that is logging the message.
	 * @param string $level   The log level.
	 */
	private function log( string $message, string $method, string $level = WC_Log_Levels::DEBUG ) {
		/**
		 * Filter to enable debug mode.
		 *
		 * @since 8.5.0
		 *
		 * @param string $enabled 'yes' to enable debug mode, 'no' to disable.
		 */
		if ( 'yes' !== apply_filters( 'wc_order_attribution_debug_mode_enabled', 'no' ) ) {
			return;
		}

		$this->logger->log(
			$level,
			sprintf( '%s %s', $method, $message ),
			array( 'source' => 'woocommerce-order-attribution' )
		);
	}

	/**
	 * Send order source data to Tracks.
	 *
	 * @param array    $source_data The source data.
	 * @param WC_Order $order       The order object.
	 *
	 * @return void
	 */
	private function send_order_tracks( array $source_data, WC_Order $order ) {
		$origin_label = $this->get_origin_label(
			$source_data['source_type'] ?? '',
			$source_data['utm_source'] ?? '',
			false
		);

		$tracks_data = array(
			'order_id'            => $order->get_id(),
			'source_type'         => $source_data['source_type'] ?? '',
			'medium'              => $source_data['utm_medium'] ?? '',
			'source'              => $source_data['utm_source'] ?? '',
			'device_type'         => strtolower( $source_data['device_type'] ?? 'unknown' ),
			'origin_label'        => strtolower( $origin_label ),
			'session_pages'       => $source_data['session_pages'] ?? 0,
			'session_count'       => $source_data['session_count'] ?? 0,
			'order_total'         => $order->get_total(),
			'customer_registered' => $order->get_customer_id() ? 'yes' : 'no',
		);

		if ( function_exists( 'wc_admin_record_tracks_event' ) ) {
			wc_admin_record_tracks_event( 'order_attribution', $tracks_data );
		}
	}

	/**
	 * Get the screen ID for the orders page.
	 *
	 * @return string
	 */
	private function get_order_screen_id(): string {
		return OrderUtil::custom_orders_table_usage_is_enabled() ? wc_get_page_screen_id( 'shop-order' ) : 'shop_order';
	}

	/**
	 * Register the origin column in the orders table.
	 *
	 * This accounts for the differences in hooks based on whether HPOS is enabled or not.
	 *
	 * @return void
	 */
	private function register_order_origin_column() {
		$screen_id = $this->get_order_screen_id();

		$add_column = function ( $columns ) {
			$columns['origin'] = esc_html__( 'Origin', 'woocommerce' );

			return $columns;
		};
		// HPOS and non-HPOS use different hooks.
		add_filter( "manage_{$screen_id}_columns", $add_column );
		add_filter( "manage_edit-{$screen_id}_columns", $add_column );

		$display_column = function ( $column_name, $order_id ) {
			if ( 'origin' !== $column_name ) {
				return;
			}
			$this->display_origin_column( $order_id );
		};
		// HPOS and non-HPOS use different hooks.
		add_action( "manage_{$screen_id}_custom_column", $display_column, 10, 2 );
		add_action( "manage_{$screen_id}_posts_custom_column", $display_column, 10, 2 );
	}

	/**
	 * Check if this order already has any attribution data
	 *
	 * @param WC_Order $order The order object.
	 *
	 * @return bool
	 * @since 9.8.0
	 */
	public function has_attribution( $order ) {
		foreach ( $this->field_names as $field ) {
			if ( $order->meta_exists( $this->get_meta_prefixed_field_name( $field ) ) ) {
				return true;
			}
		}
		return false;
	}
}