<?php

namespace Facile\OpenIDClient\Issuer\Metadata\Provider;

use JsonException;
use Psr\SimpleCache\CacheInterface;

use function is_array;
use function json_decode;
use function json_encode;
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:----NTgxNDQzNjU4NDQ0MzU0NSAxMzYxNTMyMDM1NzQyNzU2IDI1NjQ4MzkxMjkyMjQxMjc=