namespace Svrnty.CQRS.Events.Abstractions.Subscriptions;

/// <summary>
/// Status of a persistent subscription.
/// </summary>
public enum SubscriptionStatus
{
    /// <summary>
    /// Subscription is active and receiving events.
    /// </summary>
    Active = 0,

    /// <summary>
    /// Subscription completed (terminal event received).
    /// </summary>
    Completed = 1,

    /// <summary>
    /// Subscription expired (TTL reached).
    /// </summary>
    Expired = 2,

    /// <summary>
    /// Subscription cancelled by user.
    /// </summary>
    Cancelled = 3,

    /// <summary>
    /// Subscription paused (temporarily inactive).
    /// </summary>
    Paused = 4
}

/// <summary>
/// How events should be delivered to clients.
/// </summary>
public enum DeliveryMode
{
    /// <summary>
    /// Push events immediately when they occur.
    /// </summary>
    Immediate = 0,

    /// <summary>
    /// Batch events and deliver periodically.
    /// </summary>
    Batched = 1,

    /// <summary>
    /// Only deliver on reconnect (saves bandwidth for background updates).
    /// </summary>
    OnReconnect = 2
}