import 'package:flutter/material.dart';
import 'package:quiz/models/Questions.dart';
import 'package:quiz/widgets/answer.dart';

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  final QuestionData data = QuestionData();

  Widget build(BuildContext context) {
    int _countResult = 0;
    int _questionIndex = 0;
    return Scaffold(
        appBar: AppBar(title: Text('QUIZ')),
        body: Container(
          constraints: BoxConstraints.expand(),
          decoration: BoxDecoration(
              color: const Color(0xff2a375a),
              image: DecorationImage(
                image: AssetImage('assets/images/bg.png'),
                fit: BoxFit.cover,
              )),
          child: Column(
            children: <Widget>[
              Container(
                padding: const EdgeInsets.all(10.0),
                child: Text(data.questions[_questionIndex].title,
                    style: Theme.of(context).textTheme.caption),
              ),
              ...data.questions[_questionIndex].answers.map(
                (value) => Answer(title: value['answer'],)
                ).toList(),
              RaisedButton(
                onPressed: () =>
                setState(() => _questionIndex++),
                child: Text('Next'),
              ),
            ],
          ),
        ));
  }
}