<?php
namespace JVBase\managers\SEO\render\Traits\_Properties;

use JVBase\managers\SEO\render\Traits\_Helpers\arrayHelper;

if (!defined('ABSPATH')) {
	exit;
}
trait byMonthDayTrait {
	use arrayHelper;
	/**
	 * @var int|array Defines the month(s) of the year on which a recurring Event takes place. Specified as an Integer between 1-12. January is 1.
	 */
	protected int|array $byMonthDay;

	public function getByMonthDay():int|array|null
	{
		return $this->byMonthDay??null;
	}
	public function setByMonthDay(int|array $byMonthDay):void
	{
		if (is_array($byMonthDay)) {
			$byMonthDay = $this->intArray('byMonthDay', $byMonthDay);
		} else {
			$byMonthDay = [$byMonthDay];
		}
		$byMonthDay = array_filter($byMonthDay,
			function($day) {
				if ($day === 0 || $day > 31) {
					error_log('[SEO] Invalid month day number: '.$day);
					return false;
				}
				return true;
		});
		if (empty($byMonthDay)){
			error_log('[SEO]No byMonthDay values remaining');
			return;
		}
		if (count($byMonthDay) === 1) {
			$byMonthDay = $byMonthDay[0];
		}

		$this->byMonthDay = $byMonthDay;
	}
}