Chris@0: <?php
Chris@0: 
Chris@0: namespace Zumba\GastonJS\Browser;
Chris@0: 
Chris@0: use Zumba\GastonJS\Exception\BrowserError;
Chris@0: use Zumba\GastonJS\Exception\DeadClient;
Chris@0: use GuzzleHttp\Client;
Chris@0: use GuzzleHttp\Exception\ConnectException;
Chris@0: use GuzzleHttp\Exception\ServerException;
Chris@0: 
Chris@0: /**
Chris@0:  * Class BrowserBase
Chris@0:  * @package Zumba\GastonJS\Browser
Chris@0:  */
Chris@0: class BrowserBase {
Chris@0:   /** @var mixed */
Chris@0:   protected $logger;
Chris@0:   /** @var  bool */
Chris@0:   protected $debug;
Chris@0:   /** @var  string */
Chris@0:   protected $phantomJSHost;
Chris@0:   /** @var  Client */
Chris@0:   protected $apiClient;
Chris@0: 
Chris@0:   /**
Chris@0:    *  Creates an http client to consume the phantomjs API
Chris@0:    */
Chris@0:   protected function createApiClient() {
Chris@0:     // Provide a BC switch between guzzle 5 and guzzle 6.
Chris@0:     if (class_exists('GuzzleHttp\Psr7\Response')) {
Chris@0:       $this->apiClient = new Client(array("base_uri" => $this->getPhantomJSHost()));
Chris@0:     }
Chris@0:     else {
Chris@0:       $this->apiClient = new Client(array("base_url" => $this->getPhantomJSHost()));
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * TODO: not sure how to do the normalizeKeys stuff fix when needed
Chris@0:    * @param $keys
Chris@0:    * @return mixed
Chris@0:    */
Chris@0:   protected function normalizeKeys($keys) {
Chris@0:     return $keys;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * @return Client
Chris@0:    */
Chris@0:   public function getApiClient() {
Chris@0:     return $this->apiClient;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * @return string
Chris@0:    */
Chris@0:   public function getPhantomJSHost() {
Chris@0:     return $this->phantomJSHost;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * @return mixed
Chris@0:    */
Chris@0:   public function getLogger() {
Chris@0:     return $this->logger;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Restarts the browser
Chris@0:    */
Chris@0:   public function restart() {
Chris@0:     //TODO: Do we really need to do this?, we are just a client
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Sends a command to the browser
Chris@0:    * @throws BrowserError
Chris@0:    * @throws \Exception
Chris@0:    * @return mixed
Chris@0:    */
Chris@0:   public function command() {
Chris@0:     try {
Chris@0:       $args = func_get_args();
Chris@0:       $commandName = $args[0];
Chris@0:       array_shift($args);
Chris@0:       $messageToSend = json_encode(array('name' => $commandName, 'args' => $args));
Chris@0:       /** @var $commandResponse \GuzzleHttp\Psr7\Response|\GuzzleHttp\Message\Response */
Chris@0:       $commandResponse = $this->getApiClient()->post("/api", array("body" => $messageToSend));
Chris@0:       $jsonResponse = json_decode($commandResponse->getBody(), TRUE);
Chris@0:     } catch (ServerException $e) {
Chris@0:       $jsonResponse = json_decode($e->getResponse()->getBody()->getContents(), true);
Chris@0:     } catch (ConnectException $e) {
Chris@0:       throw new DeadClient($e->getMessage(), $e->getCode(), $e);
Chris@0:     } catch (\Exception $e) {
Chris@0:       throw $e;
Chris@0:     }
Chris@0: 
Chris@0:     if (isset($jsonResponse['error'])) {
Chris@0:       throw $this->getErrorClass($jsonResponse);
Chris@0:     }
Chris@0: 
Chris@0:     return $jsonResponse['response'];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * @param $error
Chris@0:    * @return BrowserError
Chris@0:    */
Chris@0:   protected function getErrorClass($error) {
Chris@0:     $errorClassMap = array(
Chris@0:       'Poltergeist.JavascriptError'   => "Zumba\\GastonJS\\Exception\\JavascriptError",
Chris@0:       'Poltergeist.FrameNotFound'     => "Zumba\\GastonJS\\Exception\\FrameNotFound",
Chris@0:       'Poltergeist.InvalidSelector'   => "Zumba\\GastonJS\\Exception\\InvalidSelector",
Chris@0:       'Poltergeist.StatusFailError'   => "Zumba\\GastonJS\\Exception\\StatusFailError",
Chris@0:       'Poltergeist.NoSuchWindowError' => "Zumba\\GastonJS\\Exception\\NoSuchWindowError",
Chris@0:       'Poltergeist.ObsoleteNode'      => "Zumba\\GastonJS\\Exception\\ObsoleteNode"
Chris@0:     );
Chris@0:     if (isset($error['error']['name']) && isset($errorClassMap[$error["error"]["name"]])) {
Chris@0:       return new $errorClassMap[$error["error"]["name"]]($error);
Chris@0:     }
Chris@0: 
Chris@0:     return new BrowserError($error);
Chris@0:   }
Chris@0: }