t( $payment );
		}

		// Throw/rethrow exception.
		if ( $error instanceof \Exception ) {
			throw $error;
		}

		return $payment;
	}

	/**
	 * Get pages.
	 *
	 * @return array
	 */
	public function get_pages() {
		$return = array();

		$pages = array(
			'completed' => __( 'Completed', 'pronamic_ideal' ),
			'cancel'    => __( 'Canceled', 'pronamic_ideal' ),
			'expired'   => __( 'Expired', 'pronamic_ideal' ),
			'error'     => __( 'Error', 'pronamic_ideal' ),
			'unknown'   => __( 'Unknown', 'pronamic_ideal' ),
		);

		foreach ( $pages as $key => $label ) {
			$id = sprintf( 'pronamic_pay_%s_page_id', $key );

			$return[ $id ] = $label;
		}

		return $return;
	}

	/**
	 * Payment redirect URL.
	 *
	 * @param string  $url     Redirect URL.
	 * @param Payment $payment Payment.
	 * @return string
	 */
	public function payment_redirect_url( $url, Payment $payment ) {
		$url = \apply_filters( 'pronamic_payment_redirect_url_' . $payment->get_source(), $url, $payment );

		return $url;
	}

	/**
	 * Is debug mode.
	 *
	 * @link https://github.com/easydigitaldownloads/easy-digital-downloads/blob/2.9.26/includes/misc-functions.php#L26-L38
	 * @return bool True if debug mode is enabled, false otherwise.
	 */
	public function is_debug_mode() {
		$value = \get_option( 'pronamic_pay_debug_mode', false );

		if ( PRONAMIC_PAY_DEBUG ) {
			$value = true;
		}

		return (bool) $value;
	}
}