using System.ComponentModel.DataAnnotations.Schema;

namespace Distribution.Models
{
    /// <summary>
    /// Two-level tree: top-level categories (e.g. "Salaries", "Utilities") and
    /// child "titles" (e.g. "Bonus", "Electricity"). Expenses link to a leaf (Title).
    /// </summary>
    public class ExpenseCategory : Template
    {
        public string Name { get; set; } = string.Empty;
        public string? Code { get; set; }

        public Guid? FK_ParentCategoryId { get; set; }
        [ForeignKey("FK_ParentCategoryId")]
        public ExpenseCategory? Parent { get; set; }
    }
}