using System;

namespace FrameworkDAL.DTO.Taxonomy
{
    /// <summary>
    /// DTO for MLEARNINGOBJECT — the canonical curriculum-content wrapper ("Learning Object").
    /// LOType : 1 Quiz | 2 WorkInstruction | 3 Show/Enablement | 4 IdmsDocument | 5 ExternalLink |
    ///          6 Video | 7 Document | 8 ScormPackage (reserved) | 9 TrainingSession
    /// Difficulty : 0 Easy | 1 Medium | 2 Hard (value-aligned with MTOPIC.TopicDifficulty)
    /// </summary>
    public class LearningObjectDTO
    {
        public int LearningObjectId { get; set; }
        public byte LoType { get; set; }
        public int SourceEntityId { get; set; }
        public int TopicId { get; set; } = -1;
        public string Title { get; set; } = string.Empty;
        public string? Description { get; set; }
        public short DurationMin { get; set; }
        public byte Difficulty { get; set; } = 1;
        public byte IsShared { get; set; } = 0;
        public byte IsActive { get; set; } = 1;

        // Standard fields
        public short Version { get; set; }
        public byte Status { get; set; }
        public short SortOrder { get; set; }
        public byte SourceType { get; set; }
        public int TenantId { get; set; }
        public int CreatedById { get; set; }
        public DateTime CreatedOn { get; set; }
        public int ModifiedById { get; set; }
        public DateTime ModifiedOn { get; set; }
    }
}