using Chat.Domain.Enums;

namespace Chat.Contracts.DTOs;

/// <summary>
/// Data Transfer Object for a message.
/// Used when returning message data to clients.
/// </summary>
public class MessageDto
{
    /// <summary>
    /// Unique identifier for the message.
    /// </summary>
    public Guid Id { get; set; }

    /// <summary>
    /// The content/message text.
    /// </summary>
    public string Content { get; set; } = string.Empty;

    /// <summary>
    /// The ID of the user who sent the message.
    /// </summary>
    public Guid SenderId { get; set; }

    /// <summary>
    /// The name of the user who sent the message.
    /// </summary>
    public string SenderName { get; set; } = string.Empty;

    /// <summary>
    /// The ID of the user receiving the message.
    /// </summary>
    public Guid ReceiverId { get; set; }

    /// <summary>
    /// Timestamp when the message was sent.
    /// </summary>
    public DateTime SentAt { get; set; }

    /// <summary>
    /// Indicates if the message has been read by the receiver.
    /// </summary>
    public bool IsRead { get; set; }

    /// <summary>
    /// Timestamp when the message was read by the receiver.
    /// </summary>
    public DateTime? ReadAt { get; set; }

    /// <summary>
    /// Indicates if the message has been deleted.
    /// </summary>
    public bool IsDeleted { get; set; }

    /// <summary>
    /// Indicates if the message has been edited.
    /// </summary>
    public bool IsEdited { get; set; }

    /// <summary>
    /// Timestamp when the message was last edited.
    /// </summary>
    public DateTime? EditedAt { get; set; }

    /// <summary>
    /// The current status of the message (e.g., Sent, Delivered, Read).
    /// </summary>
    public MessageStatus MessageStatus { get; set; }

    /// <summary>
    /// Indicates if the current user is the sender of this message.
    /// Useful for UI differentiation in chat interfaces.
    /// </summary>
    public bool IsFromCurrentUser { get; set; }
}