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<?php

namespace App\Broadcasting;

use Illuminate\Notifications\Notification;
use GuzzleHttp\Client;
use Google_Client;

class FcmChannel
{
    public function send($notifiable, Notification $notification)
    {
        $message = $notification->toFcm($notifiable);

        $client = new Client();
        $response = $client->post('https://fcm.googleapis.com/v1/projects/YOUR_PROJECT_ID/messages:send', [
            'headers' => [
                'Authorization' => 'Bearer ' . $this->getAccessToken(),
                'Content-Type' => 'application/json',
            ],
            'json' => [
                'message' => [
                    'token' => $message['to'],
                    'notification' => $message['notification'],
                    'data' => $message['data'],
                ],
            ],
        ]);

        return $response;
    }

    private function getAccessToken()
    {
        $credentialsPath = storage_path('app/firebase-service-account.json'); // Path to your service account file

        $client = new Google_Client();
        $client->setAuthConfig($credentialsPath);
        $client->addScope('https://www.googleapis.com/auth/firebase.messaging');

        $token = $client->fetchAccessTokenWithAssertion();
        return $token['access_token'];
    }
}