import 'package:energy/widgets/energy_input_widget.dart';
import 'package:energy/widgets/energy_widget.dart';
import 'package:energy/widgets/heat_capacity_widget.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import 'models/energy_model.dart';

void main() => runApp(const EnergyApp());

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

  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
      create: (_) => EnergyModel(),
      child: const MaterialApp(
        home: EnergyHomePage(),
      ),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    final EnergyModel e = context.watch<EnergyModel>();

    return Scaffold(
      appBar: AppBar(title: const Text('Energy Calculation')),
      body: Column(
        children: [
          EnergyInputWidget(e: e),
          EnergyWidget(energy: e.energy),
          HeatCapacityWidget(water: e.water, iron: e.iron),
        ],
      ),
    );
  }
}