// src/Webshop.Domain/Entities/Category.cs
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Webshop.Domain.Entities
{
    /// <summary>
    /// Zum Gruppieren und Organisieren von Produkten.
    /// </summary>
    public class Category
    {
        [Key]
        public Guid Id { get; set; } = Guid.NewGuid(); // Hinzufügen von Default-Wert

        [Required]
        [MaxLength(255)]
        public string Name { get; set; } = string.Empty; // Hinzufügen von Default-Wert

        [MaxLength(1000)]
        public string? Description { get; set; }

        [Required]
        [MaxLength(255)]
        public string Slug { get; set; } = string.Empty; // Hinzufügen von Default-Wert

        [ForeignKey(nameof(ParentCategory))]
        public Guid? ParentCategoryId { get; set; }

        [MaxLength(2000)]
        public string? ImageUrl { get; set; }

        [Required]
        public bool IsActive { get; set; }

        [Required]
        public int DisplayOrder { get; set; }

        // << NEUE EIGENSCHAFTEN HINZUFÜGEN >>
        public DateTimeOffset CreatedDate { get; set; } = DateTimeOffset.UtcNow;
        public DateTimeOffset? LastModifiedDate { get; set; }
        // << ENDE NEUE EIGENSCHAFTEN >>

        // Navigation Properties
        public virtual Category? ParentCategory { get; set; }
        public virtual ICollection<Category> SubCategories { get; set; } = new List<Category>();
        public virtual ICollection<ProductCategory> ProductCategories { get; set; } = new List<ProductCategory>();
        public virtual ICollection<CategoryDiscount> CategoryDiscounts { get; set; } = new List<CategoryDiscount>();
    }
}