import 'package:realm/realm.dart';

part 'car.realm.dart'; 

@RealmModel()
class _Car {
  late String make;

  late String model;

  int? kilometers = 500;
}
}

import 'package:realm/realm.dart';  

part 'hotel.realm.dart'; 

@RealmModel() 
class _Hotel {

  late String city;
  late int price;

}

import 'package:flutter/material.dart';
import 'package:flutter_application_1/car.dart';
import 'package:flutter_application_1/hotel.dart';
import 'package:realm/realm.dart';

void main() {
  runApp(const MainApp());
}

class MainApp extends StatelessWidget {
  const MainApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              ElevatedButton(
                onPressed: () {
                  debugPrint("Hello World");
                },
                child: const Text("Click me"),
              ),
              ElevatedButton(
                  onPressed: () {
                    // add await here to get expected result
                    writeCarData().then((value) => debugPrint("Car data written"));
                    writeHotelData().then((value) => debugPrint("Hotel data written"));
                  },
                  child: const Text("Click me")),
            ],
          ),
        ),
      ),
    );
  }
}

Future<void> writeCarData() async {
  var config = Configuration.local([Car.schema]);
  var realm = Realm(config);

  var car = Car("Tesla", "Model Y", kilometers: 5);
  await realm.writeAsync(() {
    realm.add(car);
  });
}

Future<void> writeHotelData() async {
  var config = Configuration.local([Hotel.schema]);
  var realm = Realm(config);

  var hotel = Hotel(
    "abc",
    1000,
  );
  await realm.writeAsync(() {
    realm.add(hotel);
  });
}