import 'dart:convert';
import 'package:objectbox/objectbox.dart';

@Entity()
class Ranking {
  @Id()
  int id = 0;

  // Store ranks as JSON string
  String ranksJson = '[]';

  @Transient()
  List<Rank> get ranks {
    final List<dynamic> decoded = jsonDecode(ranksJson);
    return decoded.map((e) => Rank.fromJson(e as Map<String, dynamic>)).toList();
  }

  set ranks(List<Rank> value) {
    ranksJson = jsonEncode(value.map((e) => e.toJson()).toList());
  }

  Ranking();

  factory Ranking.fromJson(Map<String, dynamic> json) {
    final ranking = Ranking();
    ranking.id = json['id'] as int? ?? 0;
    ranking.ranks = (json['ranking'] as List<dynamic>)
        .map((e) => Rank.fromJson(e as Map<String, dynamic>))
        .toList();
    return ranking;
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'ranking': ranks.map((e) => e.toJson()).toList(),
    };
  }
}

class Rank {
  late int id;
  late String zip;
  String? area;
  late List<Vehicle> vehicles;

  Rank();

  factory Rank.fromJson(Map<String, dynamic> json) {
    final rank = Rank();
    rank.id = json['id'] as int;
    rank.zip = json['zip'] as String;
    rank.area = json['area'] as String?;
    rank.vehicles = (json['vehicles'] as List<dynamic>)
        .map((e) => Vehicle.fromJson(e as Map<String, dynamic>))
        .toList();
    return rank;
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'zip': zip,
      'area': area,
      'vehicles': vehicles.map((e) => e.toJson()).toList(),
    };
  }
}

class Vehicle {
  late int id;
  late int type;
  int? cnt;
  bool? self;

  Vehicle();

  factory Vehicle.fromJson(Map<String, dynamic> json) {
    final vehicle = Vehicle();
    vehicle.id = json['id'] as int;
    vehicle.type = json['type'] as int;
    vehicle.cnt = json['cnt'] as int?;
    vehicle.self = json['self'] as bool? ?? false;
    return vehicle;
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'type': type,
      'cnt': cnt,
      'self': self,
    };
  }
}