<?php

declare(strict_types=1);

namespace Facile\OpenIDClient\Issuer\Metadata\Provider;

use function is_array;
use function json_decode;
use function json_encode;
use JsonException;
use Psr\SimpleCache\CacheInterface;
use function sha1;
use function substr;

/**
 * @psalm-import-type IssuerMetadataObject from \Facile\JoseVerifier\Psalm\PsalmTypes
 */
final class CachedProviderDecorator implements RemoteProviderInterface
{
    /** @var RemoteProviderInterface */
    private $provider;

    /** @var CacheInterface */
    private $cache;

    /** @var null|int */
    private $cacheTtl;

    /**
     * @var callable
     *
     * @psalm-var callable(string): string
     */
    private $cacheIdGenerator;

    /**
     * @psalm-param null|callable(string): string $cacheIdGenerator
     */
    public function __construct(
        RemoteProviderInterface $provider,
        CacheInterface $cache,
        ?int $cacheTtl = null,
        ?callable $cacheIdGenerator = null
    ) {
        $this->provider = $provider;
        $this->cache = $cache;
        $this->cacheTtl = $cacheTtl;
        $this->cacheIdGenerator = $cacheIdGenerator ?? static fn (string $uri): string => substr(sha1($uri), 0, 65);
    }

    /**
     * @return array<string, mixed>
     *
     * @psalm-return IssuerMetadataObject
     *
     * @psalm-suppress MixedReturnTypeCoercion
     */
    public function fetch(string $uri): array
    {
        $cacheId = ($this->cacheIdGenerator)($uri);

        /** @var string $cached */
        $cached = $this->cache->get($cacheId) ?? '';

        try {
            /** @psalm-var null|string|IssuerMetadataObject $data */
            $data = json_decode($cached, true, 512, JSON_THROW_ON_ERROR);
        } catch (JsonException $e) {
            $data = null;
        }

        if (is_array($data)) {
            return $data;
        }

        $data = $this->provider->fetch($uri);

        $this->cache->set($cacheId, json_encode($data, JSON_THROW_ON_ERROR), $this->cacheTtl);

        return $data;
    }

    public function isAllowedUri(string $uri): bool
    {
        return $this->provider->isAllowedUri($uri);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzI5NzUyNzA2MDczODg2MiAyMzA4MjU0NzgwODEwNjAzIDg3ODI4NTU5ODM1NTYyMTI=