/**
* Initializes provided context.
*
* @param ContextInterface $context
*/
public function initialize(ContextInterface $context)
{
$client = new \Google_Client();
$client->setApplicationName('BehatGoogleAnalyticsExtension');
$client->setScopes(array('https://www.googleapis.com/auth/analytics.readonly'));
$client->setClientId($this->parameters['client_id']);
$key = file_get_contents($this->parameters['key_file_location']);
$cred = new \Google_Auth_AssertionCredentials($this->parameters['service_account_name'], array('https://www.googleapis.com/auth/analytics.readonly'), $key);
$client->setAssertionCredentials($cred);
$service = new \Google_Service_Analytics($client);
$context->setAnalyticsApiService($service);
$context->setGoogleAnalyticsParameters($this->parameters);
}
