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

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

namespace Domain.Entities.Page.Faq;

public class FaqItem
{
    [ForeignKey(nameof(CategoryID))]
    public virtual FaqCategory FaqCategory { get; private set; } = null!;

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

    public int CategoryID { get; private set; }

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

    public string? Answer { get; private set; }

    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 FaqItem() { }

    private FaqItem(int categoryID, string question, string? answer, short order, bool isActive)
    {
        if (categoryID <= 0)
        {
            throw new ArgumentOutOfRangeException(nameof(categoryID));
        }

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

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

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

        CategoryID = categoryID;
        Question = question;
        Answer = answer;
        Order = order;
        IsActive = isActive;
    }

    public static FaqItem Create(int categoryID, string question, string? answer = null, short order = 0, bool isActive = false)
    {
        return new(categoryID, question, answer, order, isActive);
    }

    public void Update(int categoryID, string question, string? answer, short order, bool isActive)
    {
        if (categoryID <= 0)
        {
            throw new ArgumentOutOfRangeException(nameof(categoryID));
        }

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

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

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

        CategoryID = categoryID;
        Question = question;
        Answer = answer;
        Order = order;
        IsActive = isActive;
        UpdatedAt = DateTime.UtcNow;
    }

    public void SetContent(string? answer)
    {
        Answer = answer;
        UpdatedAt = DateTime.UtcNow;
    }
}