<?php
/**
 * Customizer Setting: Repeater Setting
 *
 * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
 * @license     https://opensource.org/licenses/MIT
 * @author      Aristath
 * @author      Jegtheme
 */

namespace Jeg\Customizer\Setting;

/**
 * Repeater Settings.
 */
class Repeater_Setting extends Default_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( $this, 'sanitize_repeater_setting' ), 10, 1 );
		add_filter( "customize_value_{$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();
		$value = $this->sanitize_repeater_setting( $value );

		if ( ! is_array( $value ) ) {
			$value = array();
		}

		return $value;
	}

	/**
	 * Convert the JSON encoded setting coming from Customizer to an Array.
	 *
	 * @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;

	}
}
