<?php
namespace App\Utils;

use Exception;
use Google\Auth\Credentials\UserRefreshCredentials;
use Google\Auth\OAuth2;
use Illuminate\Support\Facades\Log;

class  CommonUtils {
    public static function randomSleep(int $level = 1000) {
        try {
            usleep(random_int(1000, 10000) * $level);
        } catch (Exception $e) {
            Log::error("sleep error message: {$e}");
        }
    }

    public static function connectWithGooglePhotos(array $scopes, $redirectURI)
    {
        $clientSecretJson = json_decode(
            file_get_contents('../../client_secret.json'),
            true
        )['web'];
        $clientId = $clientSecretJson['client_id'];
        $clientSecret = $clientSecretJson['client_secret'];

        $oauth2 = new OAuth2([
            'clientId' => $clientId,
            'clientSecret' => $clientSecret,
            'authorizationUri' => 'https://accounts.google.com/o/oauth2/v2/auth',
            // Where to return the user to if they accept your request to access their account.
            // You must authorize this URI in the Google API Console.
            'redirectUri' => $redirectURI,
            'tokenCredentialUri' => 'https://www.googleapis.com/oauth2/v4/token',
            'scope' => $scopes,
            'expiry' => \Google\Auth\OAuth2::DEFAULT_EXPIRY_SECONDS *24
        ]);

        // The authorization URI will, upon redirecting, return a parameter called code.
        if (!isset($_GET['code'])) {
            $authenticationUrl = $oauth2->buildFullAuthorizationUri(['access_type' => 'offline']);
            header("Location: " . $authenticationUrl);
        } else {
            // With the code returned by the OAuth flow, we can retrieve the refresh token.
            $oauth2->setCode($_GET['code']);
            $authToken = $oauth2->fetchAuthToken();
            $refreshToken = $authToken['access_token'];

            // The UserRefreshCredentials will use the refresh token to 'refresh' the credentials when
            // they expire.
            $_SESSION['credentials'] = new UserRefreshCredentials(
                $scopes,
                [
                    'client_id' => $clientId,
                    'client_secret' => $clientSecret,
                    'refresh_token' => $refreshToken
                ]
            );

            // Return the user to the home page.
            redirect('/google/home/index');
//            header("Location: index.php");
        }
    }
}