<?php

namespace DNB;

use Symfony\Component\HttpClient\HttpClient;
use Symfony\Contracts\HttpClient\HttpClientInterface;

final class Client {
    private HttpClientInterface $client;
    private ClientConfig $clientConfig;
    private object $auth;

    public function __construct(ClientConfig $clientConfig) {
        $this->clientConfig = $clientConfig;
        $this->client = HttpClient::create(
            [
                'headers' => [
                    'cache-control' => 'no-cache',
                ]
            ]
        );
        $this->auth = $this->authenticate();
    }

    private function getUrl(string $endpoint, string $path): string {
        return sprintf(
            'https://%s.azurewebsites.net/%s', rtrim($endpoint, '/'), ltrim($path, '/')
        );
    }

    public function authenticate(): object {
        $request = $this->client->request(
            'POST',
            $this->getUrl($this->clientConfig->get()->auth_endpoint, '/connect/token'), [
                'body' => [
                    'grant_type' => 'client_credentials',
                    'client_id' => $this->clientConfig->get()->id,
                    'client_secret' => $this->clientConfig->get()->secret
                ]
            ]
        );

        $result = $request->toArray();

        return new class (
            $result['access_token'],
            $result['token_type']
        ) {
            private string $token;
            private string $type;
            public function __construct(
                string $token,
                string $type
            ) {
                $this->token = $token;
                $this->type = $type;
            }

            public function getHeader(): string {
                return sprintf("%s %s", $this->type, $this->token);
            }
        };
    }

    private function getAuthClient(): HttpClientInterface {
        return $this->client->withOptions([
            'headers' => [
                'Authorization' => $this->auth->getHeader(),
            ]
        ]);
    }

    public function orderProspectus(
        Prospectus $prospectus
    ): bool {
        $ret = $this->getAuthClient()->request(
            "POST",
            'https://uat-process-externalpart.azurewebsites.net/api/v1/autoprospect/orderprospect', [
                'json' => $prospectus->toPostParams(),
            ]
        );
        var_dump($ret->getContent(false));
        return false;
    }
}