<?php


namespace App\Core\Service\Google;


use App\Exceptions\ApiErrorException;
use Exception;
use Google\Cloud\Vision\V1\ImageAnnotatorClient;
use Illuminate\Support\Facades\Log;

class GoogleVisionLabelService
{
    private $googleVisionAuthentication ;

    public function __construct()
    {
        $this->googleVisionAuthentication = base_path().'/resources/data/google-vision-authentication.json';
        putenv('GOOGLE_APPLICATION_CREDENTIALS='.$this->googleVisionAuthentication );
    }

    public function getImageGoogleVisionLabels($params)
    {
        $photoLabelList = [];
        try
        {
            $imagePath              = $params['image_paths'];
            $image                  = file_get_contents($imagePath);
            $imageAnnotator         = new ImageAnnotatorClient();
            $responseImageAnnotator = $imageAnnotator->labelDetection($image);
            $getLabelAnnotations    = $responseImageAnnotator->getLabelAnnotations();
            $getLabelAnnotations    = $getLabelAnnotations ? $getLabelAnnotations : null;

            if( empty($getLabelAnnotations) )
            {
                throw new ApiErrorException(lang('Not tags found!'));
            }

            if ($getLabelAnnotations) {
                $i = 1;
                foreach ($getLabelAnnotations as $labelAnnotation)
                {
                    $photoLabelList[] =
                        [
                            'description' => $labelAnnotation->getDescription(),
                            'score'       => $labelAnnotation->getScore(),
                            'topicality'  => $labelAnnotation->getTopicality(),
                        ];
                    if($i == 3){
                        break;
                    }
                    $i++;
                }

                Log:info($photoLabelList);
            }



            $imageAnnotator->close();

        }catch (Exception $e)
        {
            $message = $e->getFile() . " " . $e->getLine() . " " . $e->getMessage();
            Log::error($message);
        }

        return $photoLabelList;
    }


}