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

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

if (!defined('ABSPATH')) {
	exit;
}
trait byMonthTrait {
	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 $byMonth;

	public function getByMonth():int|array|null
	{
		return $this->byMonth??null;
	}
	public function setByMonth(int|array $byMonth):void
	{
		if (is_array($byMonth)) {
			$byMonth = $this->intArray('byMonth', $byMonth);
		} else {
			$byMonth = [$byMonth];
		}
		$byMonth = array_filter($byMonth,
			function($month) {
				if ($month === 0 || $month > 12) {
					error_log('[SEO] Invalid month number: '.$month);
					return false;
				}
				return true;
			});
		if (empty($byMonth)){
			error_log('[SEO]No byMonth values remaining');
			return;
		}
		if (count($byMonth) === 1) {
			$byMonth = $byMonth[0];
		}

		if ($byMonth === 0 || $byMonth > 12) {
			error_log('[SEO] Invalid month number: '.$byMonth);
			return;
		}
		$this->byMonth = $byMonth;
	}
}