import 'package:flutter/material.dart';

void main() => runApp(ByteBankApp());

class ByteBankApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(body: FormularioTranferencia()),
    );
  }
}

class FormularioTranferencia extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Criando Tranferência'),
      ),
      body: Column(
        children: const <Widget>[
          const Padding(
            padding: EdgeInsets.all(16.0),
            child: TextField(
              style: TextStyle(fontSize: 24.0),
              decoration: InputDecoration(
                labelText: 'Número conta',
                hintText: '0000',
              ),
              keyboardType: TextInputType.number,
            ),
          ),
          Padding(
            padding: EdgeInsets.all(16.0),
            child: TextField(
              style: TextStyle(fontSize: 24.0),
              decoration: InputDecoration(
                icon: Icon(Icons.monetization_on),
                labelText: 'Valor',
                hintText: '0.00',
              ),
              keyboardType: TextInputType.number,
            ),
          ),
          ElevatedButton(
            child: const Text('Confirmar'),
            onPressed: () {
              debugPrint('Clicou confirmar');
            },
          ),
        ],
      ),
    );
  }
}

class ListaTransferencias extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Transferências'),
      ),
      body: Column(
        children: <Widget>[
          ItemTransferencia(Transferencia(900.0, 1000)),
          ItemTransferencia(Transferencia(800.0, 2000)),
          ItemTransferencia(Transferencia(700.0, 3000)),
        ],
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: () {},
        child: Icon(Icons.add),
      ),
    );
  }
}

class ItemTransferencia extends StatelessWidget {
  final Transferencia _transferencia;

  ItemTransferencia(this._transferencia);

  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return Card(
      child: ListTile(
        leading: Icon(Icons.monetization_on),
        title: Text(_transferencia.valor.toString()),
        subtitle: Text(_transferencia.numeroConta.toString()),
      ),
    );
  }
}

class Transferencia {
  final double valor;
  final int numeroConta;

  Transferencia(this.valor, this.numeroConta);
}

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