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

namespace Svrnty.CQRS.Events.Abstractions.Models;

/// <summary>
/// Represents a stored event with its metadata.
/// Used for event persistence and catch-up delivery.
/// </summary>
public sealed class StoredEvent
{
    /// <summary>
    /// Unique identifier for this event.
    /// </summary>
    public required string EventId { get; init; }

    /// <summary>
    /// Correlation ID linking this event to a command.
    /// </summary>
    public required string CorrelationId { get; init; }

    /// <summary>
    /// Type name of the event (e.g., "UserInvitationSentEvent").
    /// </summary>
    public required string EventType { get; init; }

    /// <summary>
    /// Global sequence number for ordering.
    /// </summary>
    public required long Sequence { get; init; }

    /// <summary>
    /// The actual event instance.
    /// </summary>
    public required ICorrelatedEvent Event { get; init; }

    /// <summary>
    /// When this event occurred.
    /// </summary>
    public required DateTimeOffset OccurredAt { get; init; }

    /// <summary>
    /// When this event was stored.
    /// </summary>
    public required DateTimeOffset StoredAt { get; init; }
}