<?php

namespace Badcow\DNS\Rdata;

use Badcow\DNS\Parser\Tokens;

/**
 * @see https://tools.ietf.org/html/rfc1035#section-3.3.13
 */
class SOA implements RdataInterface
{
	use RdataTrait;

	const TYPE = 'SOA';
	const TYPE_CODE = 6;

	/**
	 * The <domain-name> of the name server that was the
	 * original or primary source of data for this zone.
	 *
	 * @var string|null
	 */
	private $mname;

	/**
	 * A <domain-name> which specifies the mailbox of the
	 * person responsible for this zone.
	 *
	 * @var string|null
	 */
	private $rname;

	/**
	 * The unsigned 32 bit version number of the original copy
	 * of the zone.
	 *
	 * @var int|null
	 */
	private $serial;

	/**
	 * A 32 bit time interval before the zone should be
	 * refreshed.
	 *
	 * @var int|null
	 */
	private $refresh;

	/**
	 * A 32 bit time interval that should elapse before a
	 * failed refresh should be retried.
	 *
	 * @var int|null
	 */
	private $retry;

	/**
	 * A 32 bit time value that specifies the upper limit on
	 * the time interval that can elapse before the zone is no
	 * longer authoritative.
	 *
	 * @var int|null
	 */
	private $expire;

	/**
	 * The unsigned 32 bit minimum TTL field that should be
	 * exported with any RR from this zone.
	 *
	 * @var int|null
	 */
	private $minimum;


	/**
	 * @param int $expire
	 */
	public function setExpire(int $expire): void
	{
		$this->expire = $expire;
	}


	/**
	 * @return int
	 */
	public function getExpire(): ?int
	{
		return $this->expire;
	}


	/**
	 * @param int $minimum
	 */
	public function setMinimum(int $minimum): void
	{
		$this->minimum = $minimum;
	}


	/**
	 * @return int
	 */
	public function getMinimum(): ?int
	{
		return $this->minimum;
	}


	/**
	 * @param string $mname
	 */
	public function setMname(string $mname): void
	{
		$this->mname = $mname;
	}


	/**
	 * @return string
	 */
	public function getMname(): ?string
	{
		return $this->mname;
	}


	/**
	 * @param int $refresh
	 */
	public function setRefresh(int $refresh): void
	{
		$this->refresh = $refresh;
	}


	/**
	 * @return int
	 */
	public function getRefresh(): ?int
	{
		return $this->refresh;
	}


	/**
	 * @param int $retry
	 */
	public function setRetry(int $retry): void
	{
		$this->retry = (int) $retry;
	}


	/**
	 * @return int
	 */
	public function getRetry(): ?int
	{
		return $this->retry;
	}


	/**
	 * @param string $rname
	 */
	public function setRname(string $rname): void
	{
		$this->rname = $rname;
	}


	/**
	 * @return string
	 */
	public function getRname(): ?string
	{
		return $this->rname;
	}


	/**
	 * @param int $serial
	 */
	public function setSerial(int $serial): void
	{
		$this->serial = $serial;
	}


	/**
	 * @return int
	 */
	public function getSerial(): ?int
	{
		return $this->serial;
	}


	/**
	 * {@inheritdoc}
	 */
	public function toText(): string
	{
		if (!isset($this->mname) ||
		    !isset($this->rname) ||
		    !isset($this->serial) ||
		    !isset($this->refresh) ||
		    !isset($this->retry) ||
		    !isset($this->expire) ||
		    !isset($this->minimum)) {
		    throw new \InvalidArgumentException('All parameters of SOA must be set.');
		}

		return sprintf(
		    '%s %s %s %s %s %s %s',
		    $this->mname,
		    $this->rname,
		    $this->serial,
		    $this->refresh,
		    $this->retry,
		    $this->expire,
		    $this->minimum
		);
	}


	/**
	 * {@inheritdoc}
	 */
	public function toWire(): string
	{
		if (!isset($this->mname) ||
		    !isset($this->rname) ||
		    !isset($this->serial) ||
		    !isset($this->refresh) ||
		    !isset($this->retry) ||
		    !isset($this->expire) ||
		    !isset($this->minimum)) {
		    throw new \InvalidArgumentException('All parameters of SOA must be set.');
		}

		return
		    self::encodeName($this->mname).
		    self::encodeName($this->rname).
		    pack(
		        'NNNNN',
		        $this->serial,
		        $this->refresh,
		        $this->retry,
		        $this->expire,
		        $this->minimum
		    );
	}


	/**
	 * {@inheritdoc}
	 */
	public static function fromText(string $text): RdataInterface
	{
		$rdata = explode(Tokens::SPACE, $text);
		$soa = new self();
		$soa->setMname($rdata[0]);
		$soa->setRname($rdata[1]);
		$soa->setSerial((int) $rdata[2]);
		$soa->setRefresh((int) $rdata[3]);
		$soa->setRetry((int) $rdata[4]);
		$soa->setExpire((int) $rdata[5]);
		$soa->setMinimum((int) $rdata[6]);

		return $soa;
	}


	/**
	 * {@inheritdoc}
	 */
	public static function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): RdataInterface
	{
		$soa = new static();
		$soa->setMname(self::decodeName($rdata, $offset));
		$soa->setRname(self::decodeName($rdata, $offset));
		$parameters = unpack('Nserial/Nrefresh/Nretry/Nexpire/Nminimum', $rdata, $offset);
		$soa->setSerial((int) $parameters['serial']);
		$soa->setRefresh((int) $parameters['refresh']);
		$soa->setRetry((int) $parameters['retry']);
		$soa->setExpire((int) $parameters['expire']);
		$soa->setMinimum((int) $parameters['minimum']);

		$offset += 20;

		return $soa;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTA2ODM2MDUxMzYyNjQ0MyA5NTMzMzE1MTYyNzIxMzg2IDg1OTQxNjQ0MTE3MTQyMzM=