<?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:----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----ATTACHMENT:----MjI2ODcwODUzMzE4NjM4NiA1MzUwMTQ2MDI3OTg0ODY0IDUwMDM1MzEzMzA0MTE1ODY=