<?php

declare(strict_types=1);

namespace Facile\JoseVerifier\JWK;

use function is_array;
use function is_string;
use function json_decode;
use function json_encode;
use Psr\SimpleCache\CacheInterface;

/**
 * @psalm-import-type JWKSetObject from \Facile\JoseVerifier\Psalm\PsalmTypes
 */
class CachedJwksProvider implements JwksProviderInterface
{
    /** @var JwksProviderInterface */
    private $provider;

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

    /** @var string */
    private $cacheKey;

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

    public function __construct(JwksProviderInterface $provider, CacheInterface $cache, string $cacheKey, ?int $ttl)
    {
        $this->provider = $provider;
        $this->cache = $cache;
        $this->cacheKey = $cacheKey;
        $this->ttl = $ttl;
    }

    public function getJwks(): array
    {
        /** @var null|string $cached */
        $cached = $this->cache->get($this->cacheKey);

        if (is_string($cached)) {
            /** @var null|JWKSetObject $jwks */
            $jwks = json_decode($cached, true);

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

        $jwks = $this->provider->getJwks();
        $this->cache->set($this->cacheKey, json_encode($jwks), $this->ttl);

        return $jwks;
    }

    /**
     * @inheritDoc
     */
    public function reload(): JwksProviderInterface
    {
        $this->cache->delete($this->cacheKey);

        return $this;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTQyMTQ3NDY4Nzg4NDE0NiA1NDM5NzU5Njc2MTA1ODU5IDczMDUxNjc3OTEzMTE0NDg=