use GoogleCloudCoreServiceBuilder;
use GoogleCloudLanguageLanguageClient;
use GoogleCloudCoreExceptionBadRequestException;

class Google_natural_language
{

    protected $cloud;
    protected $translate;

    public function __construct()
    {
        // parent::__construct();

        // Authenticate using a keyfile path
        $this->cloud = new ServiceBuilder([
            'keyFilePath' => APPPATH.'third_party/service_account.json'
        ]);

    }

    public function translate($text, $target='en')
    {
        $this->translate = $this->cloud->translate();

        try {
            //
            $translation = $this->translate->translate($text, [
                'target' => $target
            ]);

        } catch (BadRequestException $e) {
            dblog_message('ERROR', $e);
            return false;
        }

        return $translation;
    }
}