<?php
/**
 * 描述.
 *
 * @author nj <nj@gmail.com>
 * @date   2019-11-04 18:43:48
 */
declare(strict_types=1);

/**
 * 转换至mongoISODate格式.
 * @param mixed $date 任意有效的时间格式.
 * @param mixed $tz 时区
 * @return string|null
 */
function toMongoIsoDate($date, $tz = null)
{
    if (empty($tz)) {
        $tz = env('APP_TIMEZONE', null);
    }


    $millSecond = \Carbon\Carbon::parse($date)->timestamp * 1000;

    $isoDateObj = new MongoDB\BSON\UTCDateTime($millSecond);

    $isoDate = $isoDateObj->toDateTime()->setTimezone(new DateTimeZone($tz));

    return $isoDateObj;
}

/**
 * mongoIso时间转CarbonTime时间
 * @param \MongoDB\BSON\UTCDateTime $utcDate
 * @return \Carbon\Carbon
 */
function mongoIsoDateToCarbonTime(\MongoDB\BSON\UTCDateTime $utcDate)
{
    return \Carbon\Carbon::parse($utcDate->toDateTime()->setTimezone(new DateTimeZone(env('APP_TIMEZONE'))));
}