<?php

declare(strict_types=1);

namespace CBOR\Tag;

use CBOR\CBORObject;
use CBOR\ListObject;
use CBOR\NegativeIntegerObject;
use CBOR\Normalizable;
use CBOR\Tag;
use CBOR\UnsignedIntegerObject;
use InvalidArgumentException;
use RuntimeException;
use function count;
use function extension_loaded;

final class DecimalFractionTag extends Tag implements Normalizable
{
    public function __construct(int $additionalInformation, ?string $data, CBORObject $object)
    {
        if (! extension_loaded('bcmath')) {
            throw new RuntimeException('The extension "bcmath" is required to use this tag');
        }
        if (! $object instanceof ListObject || count($object) !== 2) {
            throw new InvalidArgumentException(
                'This tag only accepts a ListObject object that contains an exponent and a mantissa.'
            );
        }
        $e = $object->get(0);
        if (! $e instanceof UnsignedIntegerObject && ! $e instanceof NegativeIntegerObject) {
            throw new InvalidArgumentException('The exponent must be a Signed Integer or an Unsigned Integer object.');
        }
        $m = $object->get(1);
        if (! $m instanceof UnsignedIntegerObject && ! $m instanceof NegativeIntegerObject && ! $m instanceof NegativeBigIntegerTag && ! $m instanceof UnsignedBigIntegerTag) {
            throw new InvalidArgumentException(
                'The mantissa must be a Positive or Negative Signed Integer or an Unsigned Integer object.'
            );
        }

        parent::__construct($additionalInformation, $data, $object);
    }

    public static function create(CBORObject $object): self
    {
        [$ai, $data] = self::determineComponents(self::TAG_DECIMAL_FRACTION);

        return new self($ai, $data, $object);
    }

    public static function getTagId(): int
    {
        return self::TAG_DECIMAL_FRACTION;
    }

    public static function createFromLoadedData(int $additionalInformation, ?string $data, CBORObject $object): Tag
    {
        return new self($additionalInformation, $data, $object);
    }

    public static function createFromExponentAndMantissa(CBORObject $e, CBORObject $m): Tag
    {
        $object = ListObject::create()
            ->add($e)
            ->add($m)
        ;

        return self::create($object);
    }

    public function normalize()
    {
        /** @var ListObject $object */
        $object = $this->object;
        /** @var UnsignedIntegerObject|NegativeIntegerObject $e */
        $e = $object->get(0);
        /** @var UnsignedIntegerObject|NegativeIntegerObject|NegativeBigIntegerTag|UnsignedBigIntegerTag $m */
        $m = $object->get(1);

        return rtrim(bcmul($m->normalize(), bcpow('10', $e->normalize(), 100), 100), '0');
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTc3MzYyMTU3MjIxNzI4NSAxOTIyMzI3NTY1NTI2NDI1IDg4MTM0NDI2OTg2MjI2OTM=