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<?php


namespace SAREhub\Commons\Config;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use JSend\InvalidJSendException;
use JSend\JSendResponse;
use SAREhub\Commons\Misc\Parameters;

class HttpConfigLoader implements ConfigLoader
{

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

    /** @var Client */
    private $httpClient;

    public function __construct($url, Client $httpClient)
    {
        $this->url = $url;
        $this->httpClient = $httpClient;
    }

    public function load()
    {
        try {
            $response = $this->httpClient->get($this->url);
            return new Parameters(JSendResponse::decode($response->getBody())->getData());
        } catch (RequestException $e) {
            throw new ConfigLoaderException("Can't load config from url: " . $this->url, 0, $e);
        } catch (InvalidJSendException $e) {
            throw new ConfigLoaderException("Can't load config from url(invalid jsend response): " . $this->url, 0, $e);
        }

    }
}