namespace ytLive.Services;

/// <summary>How urgent a user-facing notification is. Drives the toast's tint and lifetime.</summary>
public enum AppNotificationSeverity
{
    Info,
    Success,
    Warning,
    Error,
}

/// <summary>
/// Non-blocking user-facing messages (toasts). VMs and services raise events through
/// this seam so failures surface without MessageBox calls blocking the UI thread.
/// </summary>
public interface INotificationService
{
    void Show(string title, string message, AppNotificationSeverity severity);
}

public static class NotificationServiceExtensions
{
    public static void Info(this INotificationService service, string title, string message = "")
        => service.Show(title, message, AppNotificationSeverity.Info);

    public static void Success(this INotificationService service, string title, string message = "")
        => service.Show(title, message, AppNotificationSeverity.Success);

    public static void Warning(this INotificationService service, string title, string message = "")
        => service.Show(title, message, AppNotificationSeverity.Warning);

    public static void Error(this INotificationService service, string title, string message = "")
        => service.Show(title, message, AppNotificationSeverity.Error);
}