using Chat.Domain.Enums;
using System;

namespace Chat.Domain.Entities;

/// <summary>
/// Represents a user's presence status and connection information for real-time features.
/// </summary>
public class UserPresence
{
    /// <summary>
    /// Primary key - the unique identifier of the user.
    /// </summary>
    public Guid UserId { get; set; }

    /// <summary>
    /// The current status of the user (Online, Offline, Away).
    /// </summary>
    public UserStatus Status { get; set; } = UserStatus.Offline;

    /// <summary>
    /// Date and time when the user was last seen.
    /// </summary>
    public DateTime LastSeenAt { get; set; } = DateTime.UtcNow;

    /// <summary>
    /// SignalR connection ID for real-time messaging. Can be null if the user is not connected.
    /// </summary>
    public string? ConnectionId { get; set; }

    // Navigation property (to User entity when it exists)
    // public User User { get; set; }
}