<?php
require_once __DIR__ .'/../../includes/bootstrap_global.php';
require_once '../vendor/autoload.php';
$config = require 'config_google.php';

$client = new Google_Client();
$client->setClientId($config['client_id']);
$client->setClientSecret($config['client_secret']);
$client->setRedirectUri($config['redirect_uri']);
$client->addScope(Google_Service_Calendar::CALENDAR_EVENTS);
$client->setAccessType('offline');   // important pour refresh_token
$client->setPrompt('consent'); 

$auth_url = $client->createAuthUrl();
header('Location: ' . filter_var($auth_url, FILTER_SANITIZE_URL));
exit;