<?php

namespace FG\ASN1\Universal;

use DateTime;
use DateTimeZone;
use FG\ASN1\AbstractTime;
use FG\ASN1\Content;
use FG\ASN1\ContentLength;
use FG\ASN1\ElementBuilder;
use FG\ASN1\Exception\ParserException;
use FG\ASN1\Identifier;
use FG\ASN1\Parsable;

/**
 * This ASN.1 universal type contains the calendar date and time.
 * The precision is one minute or one second and optionally a
 * local time differential from coordinated universal time.
 * Decoding of this type will accept the Basic Encoding Rules (BER)
 * The encoding will comply with the Distinguished Encoding Rules (DER).
 */
class UTCTime extends AbstractTime implements Parsable
{
    public static function getType()
    {
        return Identifier::UTC_TIME;
    }

    /**
     * @param string $dateTime Format YYYYMMDDHHmmss.mcsZ
     *
     * @return string
     */
    public static function encodeValue(string $dateTime)
    {
        $hasTimeZone = true;

        if (is_numeric(substr($dateTime, -1, 1))) {
            $hasTimeZone = false;
        }

        $trimString = str_pad(rtrim($dateTime, '0Z.'), 12, '0');
        $dateTime   = $trimString . ($hasTimeZone ? 'Z' : '');

        return $dateTime;
    }

    public function setValue(Content $content)
    {
        $binaryData  = $content->getBinary();
        $offsetIndex = 0;

        $format         = 'ymdGi';
        $dateTimeString = substr($binaryData, $offsetIndex, 10);
        $offsetIndex    += 10;

        // extract optional seconds part
        if ($binaryData[$offsetIndex] !== 'Z'
            && $binaryData[$offsetIndex] !== '+'
            && $binaryData[$offsetIndex] !== '-'
        ) {
            $dateTimeString .= substr($binaryData, $offsetIndex, 2);
            $offsetIndex    += 2;
            $format         .= 's';
        }

        $dateTime = DateTime::createFromFormat($format, $dateTimeString, new DateTimeZone('UTC'));

        // extract time zone settings
        if ($binaryData[$offsetIndex] === '+'
            || $binaryData[$offsetIndex] === '-'
        ) {
            $dateTime = static::extractTimeZoneData($binaryData, $offsetIndex, $dateTime);
        } elseif ($binaryData[$offsetIndex] !== 'Z') {
            throw new ParserException('Invalid UTC String', $offsetIndex);
        }

        $this->value = $dateTime;
    }

    public static function createFormDateTime(?\DateTimeInterface $dateTime = null, array $options = [])
    {
        $dateTime = $dateTime ?? new DateTime('now', new DateTimeZone('UTC'));

        $isConstructed = false;
        $lengthForm    = $options['lengthForm'] ?? ContentLength::SHORT_FORM;

        $string = $dateTime->format('ymdHis') . 'Z';

        return
            ElementBuilder::createObject(
                Identifier::CLASS_UNIVERSAL,
                static::getType(),
                $isConstructed,
                $string,
                $lengthForm
            );
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjgzMzkxMDY0NDkyODcxNyAxMDM1NjkzNDM4MTE2ODAxIDY2NDIyMTU5MzA1ODE1NzM=