import 'dart:async';

import 'package:flutter/material.dart';
import 'package:nomorezerodays/Entry.dart';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return new MaterialApp(
      title: 'No More Zero Days!',
      theme: new ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
        // counter didn't reset back to zero; the application is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: new Scaffold(body: new NoZeroDays(title: 'No Zero Days!'))
    );
  }
}

class NoZeroDays extends StatefulWidget {
  NoZeroDays({Key key, this.title}) : super(key: key);

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  _NoZeroDaysState createState() => new _NoZeroDaysState();
}

class _NoZeroDaysState extends State<NoZeroDays> {
  static List<Entry> _firstEntry = <Entry>[Entry(new DateTime.now(), "Made this!")];
  List<Entry> _zerodayslist = new List<Entry>.from(_firstEntry);

  Future<DateTime> _currentDatePicker() {
    int currentYear = new DateTime.now().year;
    return showDatePicker(
            context: (context),
            initialDate: new DateTime.now(),
            firstDate: new DateTime(currentYear),
            lastDate: new DateTime(currentYear + 1));
  }

  Widget _buildFAB() {
    return new FloatingActionButton(
      onPressed: () {
        Future<DateTime> pickedDate = _currentDatePicker();
        pickedDate.then((value) => _zerodayslist.add(Entry(value, "nothing")))
            .catchError((err) => Scaffold.of(context).showSnackBar(new SnackBar(content: new Text(err.toString()))));
      },
      tooltip: 'Make a new entry',
      child: new Icon(Icons.add),
    );
  }

  Widget _buildRow(Entry entry) {
    return new ListTile(
      title: new Text(entry.toString()),
      onTap: () {
        //edit entry
      },
      trailing: new Icon(
        Icons.edit
      ),);
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return new Scaffold(
        appBar: new AppBar(
          title: new Text(widget.title),
        ),
        body: new Scaffold(body: new ListView(
            children: new List<Widget>.from(_zerodayslist.map((entry) => _buildRow(entry)), growable: true),
        )),
      floatingActionButton: _buildFAB(),
        );
  }
}