wp_send_json_error( [ 'message' => esc_html__( 'Subscription cancellation failed.', 'wpforms-lite' ) ] );
		}

		if ( UpdateHelpers::cancel_subscription( $payment_db->id, 'Stripe subscription cancelled from the WPForms plugin interface.' ) ) {
			wp_send_json_success( [ 'message' => esc_html__( 'Subscription cancelled.', 'wpforms-lite' ) ] );
		}

		wp_send_json_error( [ 'message' => esc_html__( 'Updating subscription in the database failed.', 'wpforms-lite' ) ] );
	}

	/**
	 * Check the current payment collection type.
	 * If the deprecated type is still used, then warn users about it.
	 *
	 * When it's dropped from the addon, this method can be safely removed.
	 *
	 * @since 1.8.4
	 */
	private function check_payment_collection_type() {

		if ( ! Helpers::is_pro() || absint( wpforms_setting( 'stripe-api-version' ) ) !== 2 ) {
			return;
		}

		$message = sprintf(
			wp_kses( /* translators: %s - Payments settings page URL. */
				__( "The used Stripe payment collection type doesn't support this action.<br><br> Please <a href='%s'>update your payment collection type</a> to continue processing payments successfully." ),
				[
					'br' => [],
					'a'  => [
						'href' => [],
					],
				]
			),
			esc_url( admin_url( 'admin.php?page=wpforms-settings&view=payments#wpforms-setting-row-stripe-api-version' ) )
		);

		wp_send_json_error( [ 'modal_msg' => $message ] );
	}
}