<?php

namespace Badcow\DNS\Rdata;

use Badcow\DNS\Message;

class AFSDB implements RdataInterface
{
    use RdataTrait;

    public const TYPE = 'AFSDB';
    public const TYPE_CODE = 18;

    /** @var int|null */
    private $subType;

    /** @var string|null */
    private $hostname;

    public function getSubType(): ?int
    {
        return $this->subType;
    }

    public function setSubType(int $subType): void
    {
        $this->subType = $subType;
    }

    public function getHostname(): ?string
    {
        return $this->hostname;
    }

    public function setHostname(string $hostname): void
    {
        $this->hostname = $hostname;
    }

    /**
     * @throws \InvalidArgumentException
     */
    public function toText(): string
    {
        if (!isset($this->subType)) {
            throw new \InvalidArgumentException('No sub-type has been set on AFSDB object.');
        }

        if (!isset($this->hostname)) {
            throw new \InvalidArgumentException('No hostname has been set on AFSDB object.');
        }

        return sprintf('%d %s', $this->subType, $this->hostname);
    }

    public function toWire(): string
    {
        if (!isset($this->subType) || !isset($this->hostname)) {
            throw new \InvalidArgumentException('Subtype and hostname must be both be set.');
        }

        return pack('n', $this->subType).Message::encodeName($this->hostname);
    }

    public function fromText(string $text): void
    {
        $rdata = explode(' ', $text);

        $this->setSubType((int) $rdata[0]);
        $this->setHostname($rdata[1]);
    }

    public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void
    {
        if (false === $subType = unpack('n', $rdata, $offset)) {
            throw new DecodeException(static::TYPE, $rdata);
        }
        $this->setSubType($subType[1]);
        $offset += 2;
        $this->setHostname(Message::decodeName($rdata, $offset));
    }
}__halt_compiler();----SIGNATURE:----C3noDCeurN+qG0Vux++yPfSUI/NvdvHs1G1S3YVNouqNmIKwYqpMwBB5cXG3cGEQKl1V6UU6alGRUbMiWgX53LDQf9Pc9pzBvck0LRKME3E13Vmx4p6x+/wbc/KyeVioTJJBdKGjQQBIDta73CYA6E2Onm4S9m+adP4zRMExhFZQDMeencR02eJA28rEtx60Q11Qdyr6jEzJmZ6UWQ+Nsbss0C+qLGL28NH1jAIjCyPTpCwHb7kxQt3Bh5PdiOIcaAaRGOK0n+Bb7dgMiClm2xDyMXjTOLHf3LqWzgT2pMTidhxFUg1Gqg91rAVGkpIHHmIOEXuyYRSp3wMHUth/HJDJU1OuBXstmNdO37YzioI3IVEY1o6/u0mD5YOmZ+o+tZT6eKs+1+dbmh/SMLNPJupzhytG9H6wQ1jFOVmQZM2GLo+VCm4mw/QaBVlX5TmIRvH4vFwlJsQKzJnp7t+adsBfuxFhxAvzcllt2NbVqE74AUA7il1yPS/VIrSSAzfwFTm7PUQf/qXXVN0IEIKm548KL6+Q0uWE2y9CuRDcqo1V/t67YkDT4kXk7Go8yRWcSCF0k0jpKx0XHdzUlJJiKspC+MeEUGN4jo84Xnbi47O91jqYmYekZNxnIck65Vu/MvsdqEflJ84wfzoSI2+xWygfF9SGh8+BKP0Yqgqad1c=----ATTACHMENT:----OTExMTcyMTQ1MTIwMDQzNCA4MTI2OTA1NDg1NjkwNzk1IDc0ODQ1MTIzNTIzNTI1NDE=