ANTOOZA-BACKEND/Domain/Entities/Page/Faq/Category.cs

using System.ComponentModel.DataAnnotations;

namespace Domain.Entities.Page.Faq;

public class FaqCategory
{
    public virtual List<FaqItem> FaqItems { get; private set; } = [];

    [Key]
    public int ID { get; private set; }

    public string Code { get; private set; } = default!;

    public string Subject { get; private set; } = default!;

    public short Order { get; private set; } = 0;

    public bool IsActive { get; private set; } = false;

    public DateTime? UpdatedAt { get; private set; }

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

    private FaqCategory() { }

    private FaqCategory(string code, string subject, short order, bool isActive)
    {
        if (string.IsNullOrWhiteSpace(code))
        {
            throw new ArgumentException("Code is required.", nameof(code));
        }

        if (code.Length > 30)
        {
            throw new ArgumentOutOfRangeException(nameof(code));
        }

        if (string.IsNullOrWhiteSpace(subject))
        {
            throw new ArgumentException("Subject is required.", nameof(subject));
        }

        if (subject.Length > 255)
        {
            throw new ArgumentOutOfRangeException(nameof(subject));
        }

        if (order < 0)
        {
            throw new ArgumentOutOfRangeException(nameof(order));
        }

        Code = code;
        Subject = subject;
        Order = order;
        IsActive = isActive;
    }

    public static FaqCategory Create(string code, string subject, short order = 0, bool isActive = false)
    {
        return new(code, subject, order, isActive);
    }

    public void Update(string code, string subject, short order, bool isActive)
    {
        if (string.IsNullOrWhiteSpace(code))
        {
            throw new ArgumentException("Code is required.", nameof(code));
        }

        if (string.IsNullOrWhiteSpace(subject))
        {
            throw new ArgumentException("Subject is required.", nameof(subject));
        }

        if (subject.Length > 255)
        {
            throw new ArgumentOutOfRangeException(nameof(subject));
        }

        if (order < 0)
        {
            throw new ArgumentOutOfRangeException(nameof(order));
        }

        Code = code;
        Subject = subject;
        Order = order;
        IsActive = isActive;
        UpdatedAt = DateTime.UtcNow;
    }
}