<?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:----OTk2MDA1MTM0NzkyMzc4OCAxMzU0MDk4NzA0MjU0NjI0IDYwMTk1OTUwMjgwOTQ5NDU=