<?php declare(strict_types=1);

namespace VeruA\DomainObjects;

use VeruA\DomainObjects\{
	DomainObject,
	Owner
};
use VeruA\DomainObjects\ValueObjects\{
	Key,
	IntKey,
	Varchar,
	DateTime
};

/**
 * A Token DomainObject
 *
 * @property ValueObjects\Intkey	$ownerId		The pk of the Owner the token belongs to
 * @property Owner				 	$owner			The Owner of the token
 * @property ValueObjects\Varchar 	$string 		The token string
 * @property ValueObjects\DateTime 	$creationTime	The script or binary
 * 
 * @author norb
 */
class Token extends DomainObject
{
	use \VeruA\Log;
	
	public function __construct($data=null)
	{
		parent::__construct($data);
		
		if ($data instanceof Key)
		{
			$this->set('idOwner', $data);
			$this->markNew();
			$this->createToken();
		}
		
		$this->log()->debug("Values after instantiation", $this->data);
	}

	protected function fields(array ...$superFields): array
	{
		return parent::fields([
			'id'            => IntKey::class,
			'idOwner'       => IntKey::class,
			'owner'         => Owner::class,
			'string'        => Varchar::class,
			'creationTime'  => DateTime::class,
		], ...$superFields);
	}
	
	/**
	 * Returns a random generated token consisting of letters and numbers
	 *
	 * @param int $length The character length of the token
	 * @return string The token
	 */
	public function createToken(int $length = 64): string
	{
		$this->string = bin2hex(random_bytes($length/2));
		$this->creationTime = new \DateTimeImmutable();
		return $this->string;
	}
	
	/**
	 * Checks if the token is still valid
	 * 
	 * @return true if creationTime not older than 14 days
	 */
	public function good(): bool
	{
		return ($this->creationTime->value()->diff(new \DateTimeImmutable())->days < 14);
	}
	
}

/* jEdit buffer local properties {{{
 * :folding=explicit:collapseFolds=1:
 }}}*/