<?php

declare(strict_types=1);

namespace CBOR\OtherObject;

use Brick\Math\BigInteger;
use CBOR\OtherObject as Base;
use CBOR\Utils;
use InvalidArgumentException;
use function strlen;
use const INF;
use const NAN;

final class SinglePrecisionFloatObject extends Base
{
    public static function supportedAdditionalInformation(): array
    {
        return [self::OBJECT_SINGLE_PRECISION_FLOAT];
    }

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

    public static function create(string $value): self
    {
        if (strlen($value) !== 4) {
            throw new InvalidArgumentException('The value is not a valid single precision floating point');
        }

        return new self(self::OBJECT_SINGLE_PRECISION_FLOAT, $value);
    }

    public function normalize(): float|int
    {
        $exponent = $this->getExponent();
        $mantissa = $this->getMantissa();
        $sign = $this->getSign();

        if ($exponent === 0) {
            $val = $mantissa * 2 ** (-(126 + 23));
        } elseif ($exponent !== 0b11111111) {
            $val = ($mantissa + (1 << 23)) * 2 ** ($exponent - (127 + 23));
        } else {
            $val = $mantissa === 0 ? INF : NAN;
        }

        return $sign * $val;
    }

    public function getExponent(): int
    {
        $data = $this->data;
        Utils::assertString($data, 'Invalid data');

        return Utils::binToBigInteger($data)->shiftedRight(23)->and(Utils::hexToBigInteger('ff'))->toInt();
    }

    public function getMantissa(): int
    {
        $data = $this->data;
        Utils::assertString($data, 'Invalid data');

        return Utils::binToBigInteger($data)->and(Utils::hexToBigInteger('7fffff'))->toInt();
    }

    public function getSign(): int
    {
        $data = $this->data;
        Utils::assertString($data, 'Invalid data');
        $sign = Utils::binToBigInteger($data)->shiftedRight(31);

        return $sign->isEqualTo(BigInteger::one()) ? -1 : 1;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYyNzIyMjY5NjE2NTM3IDgyODg5Mjk5ODk0NTE2NjQgOTIyOTMwNjQ5NjQ0NjczNQ==