<?php
/**
 * Nextcloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author    Alessandro Cosentino <cosenal@gmail.com>
 * @author    Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright 2012 Alessandro Cosentino
 * @copyright 2012-2014 Bernhard Posselt
 */

namespace OCA\News\Config;

use FeedIo\Adapter\ClientInterface;
use \GuzzleHttp\Client;
use \FeedIo\Adapter\Guzzle\Client as FeedIoClient;

/**
 * Class FetcherConfig
 *
 * @package OCA\News\Config
 */
class FetcherConfig
{
    protected $client_timeout;
    protected $proxy;

    /**
     * Configure a guzzle client
     *
     * @return ClientInterface Legacy client to guzzle.
     */
    public function getClient()
    {
        if (!class_exists('GuzzleHttp\Collection')) {
            $config = [
                'timeout' => $this->getClientTimeout(),
            ];

            if (!empty($this->proxy)) {
                $config['proxy'] = $this->proxy;
            }

            $guzzle = new Client();
            $client = new FeedIoClient($guzzle);

            return $client;
        }

        $config = [
            'request.options' => [
                'timeout' => $this->getClientTimeout(),
            ],
        ];

        if (!empty($this->proxy)) {
            $config['request.options']['proxy'] = $this->proxy;
        }

        $guzzle = new Client($config);
        return new LegacyGuzzleClient($guzzle);
    }

    /**
     * Set a timeout for the client
     *
     * @param int $timeout The timeout
     *
     * @return self
     */
    public function setClientTimeout($timeout)
    {
        $this->client_timeout = $timeout;

        return $this;
    }

    /**
     * Get the client timeout.
     *
     * @return mixed
     */
    public function getClientTimeout()
    {
        return $this->client_timeout;
    }

    /**
     * Set the proxy
     *
     * @param \OCA\News\Utility\ProxyConfigParser $proxy The proxy to set.
     *
     * @return self
     */
    public function setProxy($proxy)
    {
        // proxy settings
        $proxySettings = $proxy->parse();
        $host = $proxySettings['host'];
        $port = $proxySettings['port'];
        $user = $proxySettings['user'];
        $password = $proxySettings['password'];

        $proxy_string = 'https://';
        if (!empty($user)) {
            $proxy_string .= $user . ':' . $password . '@';
        }
        $proxy_string .= $host;
        if (!empty($port)) {
            $proxy_string .= ':' . $port;
        }
        $this->proxy = $proxy_string;

        return $this;
    }
}