import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'controls/databaseClient.dart';
import 'models/dog.dart';

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

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        primarySwatch: Colors.cyan,
      ),
      home: DogPage(),
    );
  }
}

class DogPage extends StatefulWidget {
  @override
  _DogPageState createState() => _DogPageState();
}

class _DogPageState extends State<DogPage> {
  final GlobalKey<FormState> _formStateKey = GlobalKey<FormState>();

  Future<List<Dog>> dogs;
  int _dogId;
  String _dogName;
  int _dogAge;
  bool isUpdate = false;
  int dogIdForUpdate;
  DatabaseClient db;

  final _dogIdController = TextEditingController();
  final _dogNameController = TextEditingController();
  final _dogAgeController = TextEditingController();

  @override
  void initState() {
    super.initState();
    db = DatabaseClient();
    openDatabase();
  }

  openDatabase() async {
    await db.open();
    refreshDogList();
  }

  refreshDogList() {
    setState(() {
      dogs = db.getDogs();
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      // Cria AppBar
      appBar: AppBar(
        title: Text('App Dog'),
      ),

      body: Column(
        children: <Widget>[
          Form(
            key: _formStateKey,
            autovalidate: true,
            child: Column(
              children: <Widget>[
                Padding(
                  padding: EdgeInsets.only(left: 10, right: 10, bottom: 10),
                  child: TextFormField(
                    validator: (value) {
                      if (value.isEmpty) {
                        return 'Por favor insira o Id do cachorro';
                      }
                      if (value.trim() == "")
                        return "Somente espaço não é válido!";
                      return null;
                    },
                    onSaved: (value) {
                      _dogId = int.parse(value);
                    },
                    controller: _dogIdController,
                    keyboardType: TextInputType.number,
                    decoration: InputDecoration(
                        focusedBorder: new UnderlineInputBorder(
                            borderSide: new BorderSide(
                                color: Colors.cyan,
                                width: 2,
                                style: BorderStyle.solid)),
                        labelText: "Id do cachorro",
                        icon: Icon(
                          Icons.vpn_key,
                          color: Colors.cyan,
                        ),
                        fillColor: Colors.white,
                        labelStyle: TextStyle(
                          color: Colors.cyan,
                        )),
                  ),
                ),
                Padding(
                  padding: EdgeInsets.only(left: 10, right: 10, bottom: 10),
                  child: TextFormField(
                    validator: (value) {
                      if (value.isEmpty) {
                        return 'Por favor insira o nome do cachorro';
                      }
                      if (value.trim() == "")
                        return "Somente espaço não é válido!";
                      return null;
                    },
                    onSaved: (value) {
                      _dogName = value;
                    },
                    controller: _dogNameController,
                    decoration: InputDecoration(
                        focusedBorder: new UnderlineInputBorder(
                            borderSide: new BorderSide(
                                color: Colors.cyan,
                                width: 2,
                                style: BorderStyle.solid)),
                        labelText: "Nome do cachorro",
                        icon: Icon(
                          Icons.pets,
                          color: Colors.cyan,
                        ),
                        fillColor: Colors.white,
                        labelStyle: TextStyle(
                          color: Colors.cyan,
                        )),
                  ),
                ),
                Padding(
                  padding: EdgeInsets.only(left: 10, right: 10, bottom: 10),
                  child: TextFormField(
                    validator: (value) {
                      if (value.isEmpty) {
                        return 'Por favor insira a idade do cachorro';
                      }
                      if (value.trim() == "")
                        return "Somente espaço não é válido!";
                      return null;
                    },
                    onSaved: (value) {
                      _dogAge = int.parse(value);
                    },
                    controller: _dogAgeController,
                    keyboardType: TextInputType.number,
                    decoration: InputDecoration(
                        focusedBorder: new UnderlineInputBorder(
                            borderSide: new BorderSide(
                                color: Colors.cyan,
                                width: 2,
                                style: BorderStyle.solid)),
                        labelText: "Idade do cachorro",
                        icon: Icon(
                          Icons.calendar_today,
                          color: Colors.cyan,
                        ),
                        fillColor: Colors.white,
                        labelStyle: TextStyle(
                          color: Colors.cyan,
                        )),
                  ),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}