main.dart

import 'dart:convert';

void main() {
  final stringifiedJson = '[{"id":"4","name":"Tulpenrallye 2022","location":"50.1213479,8.4964818","description":"Nog maar vijf weken geleden stonden wij aan de finish van de 67eTulpenrallye. Vandaag word jij door ons uitgenodigd voor 68e Tulpenrallye. Hiermee gaan wij een nieuw hoofdstuk toevoegen aan de lange Tulpenrallye geschiedenis. De 68e Tulpenrallye start op maandagochtend 9 mei 2022 in de buurt van Frankfurt in Duitsland. Na een overnachting in Karlsruhe gaat de rally daarna verder in het vertrouwde Frankrijk. Natuurlijk doen we ook Luxemburg en Belgi? aan in deze editie.","website":"tulpenrallye.nl","email":"rallyoffice@tulpenrallye.nl","phone":" +31 (0) 6 41291219","img":"https:\/\/www.tulpenrallye.nl\/wp-content\/uploads\/2021\/11\/VISUAL-2022-LR-1.jpg","vehicle_date_from":"1899-01-01","vehicle_date_to":"1973-01-01","vehicle_type_id":"1","user_id":null,"vehicle_region_id":"1","brand":null,"model":null,"event_id":"4","date":"2023-05-09","begin":"09:00:00","end":"16:00:00","is_brand_related":"0","vehicle_types":["1"],"vehicle_regions":["12","1","2","3","4","5","6"],"dates":[{"date":"2023-05-09","begin":"09:00:00","end":"16:00:00"}]}]';
  final json = jsonDecode(stringifiedJson)[0];
  final event = Event.fromJson(json);
  print('id: ${event.id}');
  print('name: ${event.name}');
  print('website: ${event.website}');
}


abstract class Automotive {
  int? id;
  String? name;
  String? description;
  String? pic;

  Automotive({
    required id,
    required name,
    required description,
    required pic,
  });
}

abstract class AutomotiveLocationBased extends Automotive {
  String? website;
  String? phone;
  String? email;
  String? place, street, houseNumber;
  List<double>? location;
  String? distance;

  AutomotiveLocationBased({
    required this.website,
    required this.email,
    required this.phone,
    required this.location,
    this.place,
    this.street,
    this.distance,
    this.houseNumber,
    required super.id,
    required super.name,
    required super.description,
    required super.pic,
  });
}



class Event extends AutomotiveLocationBased {

  Event({
    required super.id,
    required super.name,
    required super.location,
    required super.description,
    required super.website,
    required super.email,
    required super.phone,
    required super.pic,
  });

  factory Event.fromScratch() {
    return Event(
        id: null,
        name: null,
        description: null,
        pic: null,
        location: null,
        website: null,
        email: null,
        phone: null);
  }

  factory Event.fromJson(Map<String, dynamic> json) {
    return Event(
      id: json['id'],
      name: json['name'],
      description: json['description'],
      website: json['website'],
      email: json['email'],
      location: List<double>.from(json['location'].split(',').map((data) => double.parse(data))),
      phone: json['phone'],
      pic: json['img'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'name': name,
      'description': description,
      'pic': pic,
      'location': location,
      'website': website,
      'email': email,
      'phone': phone,
    };
  }
}















/// this does work

abstract class Car {
  int? id;
  String? name;
  String? description;

  Car({
    required this.id,
    required this.name,
    required this.description,
  });
}

abstract class CarCombustedEngine extends Car {
  String? fuelType;
  
  CarCombustedEngine({
    required id, 
    required name, 
    required description,
    required this.fuelType
  }) : super(
      id: id,
      name: name,
      description: description);
}


class Cabrio extends CarCombustedEngine {
  String? roofMaterial;
  String? someOtherProp;

  Cabrio({
    required id,
    required name,
    required description,
    required fuelType,
    required this.roofMaterial,
    required this.someOtherProp
  }) : super(
      id: id,
      name: name,
      description: description,
      fuelType: fuelType);

  factory Cabrio.fromJson(Map<String, dynamic> json) =>
      Cabrio(
          id: int.parse(json['id']),
          name: json['name'],
          fuelType: json['fuel_type'],
          description: json['description'],
          roofMaterial: json['roof_material'],
          someOtherProp: json['some_other_prop']
      );
}

//  final stringifiedJsonn = '{"id": "1", "name": "ford", "description": "fast car", "roof_material": "glass", "fuel_type": "gasoline", "some_other_prop": "hello"}';
//   final jsonn = jsonDecode(stringifiedJsonn);
//   final cabrio = Cabrio.fromJson(json);
//   print('Roof material: ${cabrio.roofMaterial}'); // null
//   print('Some other prop: ${cabrio.someOtherProp}');
//   print('Fueltype: ${cabrio.fuelType}');