namespace Fitness_core_BE.Interfaces.Services
{
    public interface IPushNotificationService
    {
        // Persists a CustomerNotification row (for the mobile Notification tab) and, if the
        // customer has a registered Expo push token, sends a real push too. routeName/routeParams
        // mirror the mobile app's PushNavigationData contract (pushNotification.ts) so tapping
        // either the push or the in-app list item navigates the same way.
        Task NotifyCustomerAsync(
            Guid customerId,
            string title,
            string body,
            string notificationType,
            string? routeName = null,
            object? routeParams = null);

        Task NotifyCustomersAsync(
            IEnumerable<Guid> customerIds,
            string title,
            string body,
            string notificationType,
            string? routeName = null,
            object? routeParams = null);
    }
}