<?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:----O9CsdJi6vDDS8SipBDvTkjBVSoCriYcX+zGFrf5ZU0bWwbe5mmmXji4nEWzlf9ORJ+k3il86k+Lx1m16qYWWUxlcggslc+blaGek/hZjgRf02Bdcm8eeynF+OnOsSmXFyBRp02kt99+UjB2xZWu9OYopOmaiHquVkx7ghH33+cVjCzB/yGJTpZot8xlbO0exwYtbkI8yKyMtfrMMmP0I57dCb4bj55rr6MItorWO0dVESK3Ej5yqbGVCo9X8dYSRwAWhndKLmDPepbrDvFsDuwyhtWaeg9NEDOXX2NhOnk4TuQ8xcvN7lkUBwzsZzSRJ+2ZlwWDT3bAT9G8H78Vd438K2bof0tXTLbE/clbZNz+rr7PoQxbDRv5TjS1g3rDMq6AF8H2HRcwPY/uSWUsUg7Np7A92BjUrTzONVIUm7quQkYHq1bIXRDHJSjcDcQv9QHduwSLatw2G8+lwgUgrvkMY7qDXJ30sB4a5pGecCrh2XjuFByghWPYyu/cHKQxEV91iRW/mk5OojKEjwW0Fe/aJBKGhAfwWVmNhS6cbAlG4/dFn6wYK7njn7V9ENmhJCvnjs3/8FNPgk8KJz//lCGDbMgXhJv9DmtVqKq/2xS/mgUwfDPqXaHKNgn0XvmMYCHmmkEL/Q4x5naKBte/2+6w/N4Ap6fwVKrQ3OFw2nuc=----ATTACHMENT:----NDQ0OTI4MTA5MDI1ODU5MSA5MjcwMzcwMDI5MDYyOTQ1IDU2NjI4Njk2MzY5MzczODY=