<?php

namespace App\Logic;

use GuzzleHttp\Client;

class OpenIDLogic
{
    public string $auth_url;

    public string $token_url;

    public string $user_url;

    public string $jwks_url;

    public array $jwks = [];

    /**
     * Create a new class instance.
     */
    public function __construct()
    {
        $http = new Client();
        $cache_key = 'oauth_discovery';

        if (cache()->has($cache_key)) {
            $oauth_discovery = cache()->get($cache_key);
        } else {
            // lock 防止重复请求
            $oauth_discovery = cache()->remember($cache_key, 3600, function () use ($http) {
                $response = $http->get(config('oauth.discovery'));

                return json_decode($response->getBody(), true);
            });
        }

        $this->auth_url = $oauth_discovery['authorization_endpoint'];
        $this->token_url = $oauth_discovery['token_endpoint'];
        $this->user_url = $oauth_discovery['userinfo_endpoint'];
        $this->jwks_url = $oauth_discovery['jwks_uri'];

        $cache_key = 'oauth_discovery_jwks';

        if (cache()->has($cache_key)) {
            $this->jwks = cache()->get($cache_key);
        } else {
            $this->jwks = cache()->remember($cache_key, 3600, function () use ($http) {
                $response = $http->get($this->jwks_url);

                return json_decode($response->getBody(), true);
            });
        }

    }
}