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<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2024. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Helpers\Mail;

use Google\Client;
use Google\Service\Gmail;
use Google\Service\Gmail\Message;
use Symfony\Component\Mailer\SentMessage;
use Symfony\Component\Mailer\Transport\AbstractTransport;
use Symfony\Component\Mime\MessageConverter;

/**
 * GmailTransport.
 */
class GmailTransport extends AbstractTransport
{
    public function __construct()
    {
        parent::__construct();
    }

protected function doSend(SentMessage $message): void
    {
        nlog("In Do Send");
        $message = MessageConverter::toEmail($message->getOriginalMessage()); //@phpstan-ignore-line

/** @phpstan-ignore-next-line **/
        $token = $message->getHeaders()->get('gmailtoken')->getValue(); // @phpstan-ignore-line
        $message->getHeaders()->remove('gmailtoken');

$client = new Client();
        $client->setClientId(config('ninja.auth.google.client_id'));
        $client->setClientSecret(config('ninja.auth.google.client_secret'));
        $client->setAccessToken($token);

$service = new Gmail($client);

$body = new Message();

$bccs = $message->getHeaders()->get('Bcc');

$bcc_list = '';

if ($bccs) {
            $bcc_list = 'Bcc: ';

foreach ($bccs->getAddresses() as $address) {

$bcc_list .= $address->getAddress() .',';
            }

$bcc_list = rtrim($bcc_list, ",") . "\r\n";
        }

$body->setRaw($this->base64_encode($bcc_list.$message->toString()));

// try {
        $service->users_messages->send('me', $body, []);
        // } catch(\Google\Service\Exception $e) {
        //     /* Need to slow down */
        //     if ($e->getCode() == '429') {
        //         nlog("429 google - retrying ");

//         sleep(rand(3,8));

//         try {
        //             $service->users_messages->send('me', $body, []);
        //         } catch(\Google\Service\Exception $e) {

//         }

//     }
        // }
    }

private function base64_encode($data)
    {
        return rtrim(strtr(base64_encode($data), ['+' => '-', '/' => '_']), '=');
    }

public function __toString(): string
    {
        return 'gmail';
    }
}