<?php
declare(strict_types=1);

namespace Lcobucci\JWT\Signer\Key;

use Lcobucci\JWT\Signer\InvalidKeyProvided;
use Lcobucci\JWT\Signer\Key;
use Lcobucci\JWT\SodiumBase64Polyfill;
use SplFileObject;
use Throwable;

use function assert;
use function is_string;

final class InMemory implements Key
{
    /** @param non-empty-string $contents */
    private function __construct(public readonly string $contents, public readonly string $passphrase)
    {
    }

    /** @param non-empty-string $contents */
    public static function plainText(string $contents, string $passphrase = ''): self
    {
        self::guardAgainstEmptyKey($contents);

        return new self($contents, $passphrase);
    }

    /** @param non-empty-string $contents */
    public static function base64Encoded(string $contents, string $passphrase = ''): self
    {
        $decoded = SodiumBase64Polyfill::base642bin(
            $contents,
            SodiumBase64Polyfill::SODIUM_BASE64_VARIANT_ORIGINAL,
        );

        self::guardAgainstEmptyKey($decoded);

        return new self($decoded, $passphrase);
    }

    /**
     * @param non-empty-string $path
     *
     * @throws FileCouldNotBeRead
     */
    public static function file(string $path, string $passphrase = ''): self
    {
        try {
            $file = new SplFileObject($path);
        } catch (Throwable $exception) {
            throw FileCouldNotBeRead::onPath($path, $exception);
        }

        $fileSize = $file->getSize();
        $contents = $fileSize > 0 ? $file->fread($file->getSize()) : '';
        assert(is_string($contents));

        self::guardAgainstEmptyKey($contents);

        return new self($contents, $passphrase);
    }

    /** @phpstan-assert non-empty-string $contents */
    private static function guardAgainstEmptyKey(string $contents): void
    {
        if ($contents === '') {
            throw InvalidKeyProvided::cannotBeEmpty();
        }
    }

    public function contents(): string
    {
        return $this->contents;
    }

    public function passphrase(): string
    {
        return $this->passphrase;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjU5Njc0NTg0NjM2MDIwMiAyMzkxNzk1ODU4ODMxNzggOTQ5NTE5MzQ5MjQwNDMyNg==