<?php
/**
 * Notifications Count API (lightweight polling)
 * 
 * GET /api/notifications_count.php - Get unread count only
 */

require_once dirname(__DIR__) . '/f_core/config.boot.php';
require_once dirname(__DIR__) . '/f_core/f_classes/class.notifications.php';

header('Content-Type: application/json');

// Require authentication
session_start();
if (empty($_SESSION['user_id'])) {
    http_response_code(401);
    echo json_encode(['success' => false, 'error' => 'Authentication required']);
    exit;
}

$usr_id = $_SESSION['user_id'];
$notifications = new VNotifications();

$count = $notifications->getUnreadCount($usr_id);

echo json_encode([
    'success' => true,
    'unread_count' => $count
]);