<?php
namespace ProVM\Service;

use Exception;
use Psr\Http\Client\ClientInterface;
use Psr\Log\LoggerInterface;
use function Safe\json_decode;

class Ipify
{
    public function __construct(protected ClientInterface $client, protected string $uri, protected LoggerInterface $logger) {}

    public function get(): string
    {
        $this->logger->debug('Getting IP');
        $response = $this->client->get('?format=json');
        if (round($response->getStatusCode() / 100, 0) != 2) {
            throw new Exception("Could not connect to '{$this->uri}'");
        }
        $body = $response->getBody();
        $json = json_decode($body->getContents());
        if (!isset($json->ip)) {
            throw new Exception('Missing `ip` in JSON response');
        }
        $this->logger->debug("Current IP: {$json->ip}");
        return $json->ip;
    }
}