using System;
using Svrnty.CQRS.Events.Abstractions.EventStore;

namespace Svrnty.CQRS.Events.Abstractions.EventStore;

/// <summary>
/// Base interface for all events that can be correlated to a command execution.
/// Events are emitted during command processing and can be subscribed to by clients.
/// </summary>
public interface ICorrelatedEvent
{
    /// <summary>
    /// Unique identifier for this event occurrence.
    /// </summary>
    string EventId { get; }

    /// <summary>
    /// Correlation ID linking this event to the command that caused it.
    /// Multiple events can share the same correlation ID.
    /// Set by the framework after event emission.
    /// </summary>
    string CorrelationId { get; set; }

    /// <summary>
    /// UTC timestamp when this event occurred.
    /// </summary>
    DateTimeOffset OccurredAt { get; }
}