using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Text.Json.Serialization;

namespace GazpromApp.Models;

public class Property
{
    [Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    [JsonIgnore]
    public Guid Id { get; set; }
    
    [Required]
    public string Name { get; set; } = string.Empty;
    public string Value { get; set; } = string.Empty;
    public DateTime CreationDate { get; set; }
    
    // For self-referencing hierarchy (Property of a Property)
    [JsonIgnore]
    public Guid? ParentPropertyId { get; set; }
    [JsonIgnore]
    public Property? Parent { get; set; }

    // For a Property of a Point
    [JsonIgnore]
    public Guid? PointId { get; set; }
    [JsonIgnore]
    public Point? Point { get; set; }

    // For a Property of an Equipment
    [JsonIgnore]
    public Guid? EquipmentId { get; set; }
    [JsonIgnore]
    public Equipment? Equipment { get; set; }

    // Child properties in the hierarchy
    public List<Property> Properties { get; set; } = [];
}