using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace NexusReader.Domain.Entities;

/// <summary>
/// Encapsulates a snapshot or draft version of a Book's chapters.
/// </summary>
public class BookRevision
{
    [Key]
    public Guid Id { get; set; } = Guid.NewGuid();

    [Required]
    public Guid BookId { get; set; }

    [ForeignKey(nameof(BookId))]
    public virtual Book Book { get; set; } = null!;

    [Required]
    [MaxLength(100)]
    public string VersionString { get; set; } = "Working Draft";

    public bool IsPublished { get; set; } = false;

    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

    public DateTime? PublishedAt { get; set; }

    public virtual ICollection<Chapter> Chapters { get; set; } = new List<Chapter>();
}