<?php
/**
 * Created by PhpStorm.
 * User: sikof
 * Date: 12/23/2016
 * Time: 11:09 AM
 */

namespace Sikofitt\Tor;


use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Handler\CurlMultiHandler;
use GuzzleHttp\HandlerStack;
use GuzzleTor\Middleware;
use Sikofitt\Tor\Collection\ImageCollection;
use Sikofitt\Tor\Exception\BadProxyUrlException;

/**
 * Class TorClient
 *
 * @package Sikofitt\Tor
 */
class TorClient extends Client implements ClientInterface
{

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

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

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

    /**
     * @var HandlerStack
     */
    private $handlerStack;

    /**
     * @var Middleware
     */
    private $middleware;

    private $poolData;

    public function __construct(
      $proxy = '127.0.0.1:9050',
      $torControl = '127.0.0.1:9051'
    ) {
        $this->proxy = $proxy;
        $this->torControl = $torControl;
        $this->setTorMiddleWare();
        $this->createHandlerStack();
        $this->setClient();

    }

    /**
     * @return $this
     */
    public function setTorMiddleWare()
    {
        $this->middleware = Middleware::tor($this->proxy, $this->torControl);
        return $this;
    }

    /**
     *
     */
    public function createHandlerStack()
    {
        $this->handlerStack = new HandlerStack();
        $this->handlerStack->setHandler(new CurlMultiHandler());
        $this->handlerStack->push($this->middleware);
    }

    /**
     * @return mixed
     */
    public function getClient()
    {
        return $this->client;
    }

    public function setClient()
    {
        $this->client = new Client([
          'verify'  => false,
          'handler' => $this->handlerStack,
        ]);


        return $this;
    }

    public function setImages($images)
    {
        $this->images = $images;
    }

    /**
     * @param array $uris
     *
     * @return $this
     */
    public function pool($uris = array())
    {

        $pool = new Pool($this->client, $uris);
        $this->poolData = $pool->getHtmlData();
        $pool->images();
        $this->setImages($pool->images());
        $links = $pool->links();

        return $this;

    }

    public function setProxyPort($port)
    {
        preg_replace('/:\d{4}/', ':' . $port, $this->proxy);
        return $this;
    }

    public function setTorControlPort($port)
    {
        preg_replace('/:\d{4}/', ':' . $port, $this->torControl);
        return $this;
    }

    public function setProxyUrl($proxyUrl)
    {
        if (false === is_numeric(str_replace('.', '', '127.0.0.1'))) {
            throw new BadProxyUrlException('Tor Proxy URL must be an IP address.');
        }
        preg_replace('/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $proxyUrl,
          $this->proxy);
        return $this;
    }

    /**
     * @param $torControlUrl
     *
     * @return $this
     * @throws BadProxyUrlException
     */
    public function setTorControlUrl($torControlUrl)
    {
        if (false === is_numeric(str_replace('.', '', '127.0.0.1'))) {
            throw new BadProxyUrlException('Tor Control URL must be an IP address.');
        }
        preg_replace('/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $torControlUrl,
          $this->torControl);
        return $this;
    }

    /**
     * @return string
     */
    public function getProxy()
    {
        return $this->proxy;
    }

    public function setProxy($proxy)
    {
        $this->proxy = $proxy;
        $this->setTorMiddleWare();
        $this->createHandlerStack();
        $this->setClient();

        return $this;
    }

    /**
     * @return string
     */
    public function getTorControl()
    {
        return $this->torControl;
    }

    /**
     * @param $torControl
     *
     * @return $this
     */
    public function setTorControl($torControl)
    {
        $this->torControl = $torControl;
        return $this;
    }

    public function images($html)
    {
        $images = new ImageCollection($html);
        return $this;
    }

}