<?php
/**
 * Repeater Customizer Setting.
 *
 * @package     Kirki
 * @subpackage  Controls
 * @copyright   Copyright (c) 2016, Aristeides Stathopoulos
 * @license     http://opensource.org/licenses/https://opensource.org/licenses/MIT
 * @since       2.0
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Kirki_Settings_Repeater_Setting' ) ) {

	/**
	 * Repeater Settings.
	 */
	class Kirki_Settings_Repeater_Setting extends WP_Customize_Setting {

		/**
		 * Constructor.
		 *
		 * Any supplied $args override class property defaults.
		 *
		 * @access public
		 * @param WP_Customize_Manager $manager The WordPress WP_Customize_Manager object.
		 * @param string               $id       A specific ID of the setting. Can be a theme mod or option name.
		 * @param array                $args     Setting arguments.
		 */
		public function __construct( $manager, $id, $args = array() ) {
			parent::__construct( $manager, $id, $args );

			// Will onvert the setting from JSON to array. Must be triggered very soon.
			add_filter( "customize_sanitize_{$this->id}", array( $this, 'sanitize_repeater_setting' ), 10, 1 );
		}

		/**
		 * Fetch the value of the setting.
		 *
		 * @access public
		 * @return mixed The value.
		 */
		public function value() {
			$value = parent::value();
			if ( ! is_array( $value ) ) {
						$value = array();
			}

			return $value;
		}

		/**
		 * Convert the JSON encoded setting coming from Customizer to an Array.
		 *
		 * @access public
		 * @param string $value URL Encoded JSON Value.
		 * @return array
		 */
		public function sanitize_repeater_setting( $value ) {

			if ( ! is_array( $value ) ) {
				$value = json_decode( urldecode( $value ) );
			}
			$sanitized = ( empty( $value ) || ! is_array( $value ) ) ? array() : $value;

			// Make sure that every row is an array, not an object.
			foreach ( $sanitized as $key => $_value ) {
				if ( empty( $_value ) ) {
					unset( $sanitized[ $key ] );
				} else {
					$sanitized[ $key ] = (array) $_value;
				}
			}

			// Reindex array.
			$sanitized = array_values( $sanitized );

			return $sanitized;

		}
	}
}
