ANTOOZA-BACKEND/Domain/Entities/Members/Logs/MemberItemUsageLog.cs

using System.ComponentModel.DataAnnotations;
using Domain.Entities.Members.ValueObject;
using Domain.Entities.Store.ValueObject;

namespace Domain.Entities.Members.Logs;

/// <summary>
/// 소모품 아이템 사용/회수 감사 로그.
/// </summary>
public class MemberItemUsageLog
{
    [Key]
    public int ID { get; private set; }

    public int MemberID { get; private set; }

    /// <summary>대상 MemberItem ID (스냅샷).</summary>
    public int MemberItemID { get; private set; }

    public int ProductID { get; private set; }

    public ItemKind Kind { get; private set; }

    public MemberItemUsageAction Action { get; private set; }

    /// <summary>사용 결과 요약 (예: "밴 2건 해제", "글 34건 초기화").</summary>
    public string? Detail { get; private set; }

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

    private MemberItemUsageLog() { }

    public static MemberItemUsageLog Create(int memberID, int memberItemID, int productID, ItemKind kind, MemberItemUsageAction action, string? detail = null)
    {
        if (detail is not null && detail.Length > 300)
        {
            detail = detail[..300];
        }

        return new MemberItemUsageLog
        {
            MemberID = memberID,
            MemberItemID = memberItemID,
            ProductID = productID,
            Kind = kind,
            Action = action,
            Detail = detail
        };
    }
}