<?php
/**
 * Handles CSS output for background-image.
 *
 * @package     WFACPKirki
 * @subpackage  Controls
 * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
 * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT
 * @since       2.2.0
 */

/**
 * Output overrides.
 */
if ( ! class_exists( 'WFACPKirki_Output_Property_Background_Image' ) ) {
	class WFACPKirki_Output_Property_Background_Image extends WFACPKirki_Output_Property {

		/**
		 * Modifies the value.
		 *
		 * @access protected
		 */
		protected function process_value() {

			if ( is_array( $this->value ) && isset( $this->value['url'] ) ) {
				$this->value = $this->value['url'];
			}

			if ( false === strpos( $this->value, 'gradient' ) && false === strpos( $this->value, 'url(' ) ) {
				if ( empty( $this->value ) ) {
					return;
				}

				if ( preg_match( '/^\d+$/', $this->value ) ) {
					$this->value = 'url("' . set_url_scheme( wp_get_attachment_url( $this->value ) ) . '")';
				} else {
					$this->value = 'url("' . set_url_scheme( $this->value ) . '")';
				}
			}
		}
	}
}