import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'main.dart';

/// Экран регистрации магазина и кассы.
class FinishRegistrationScreen extends StatefulWidget {
  @override State createState() => new _RegistrationScreenState();
}

class _RegistrationScreenState extends State<FinishRegistrationScreen> {

  @override Widget build(BuildContext context) {
    return new Scaffold(appBar: _getAppBar(), body: _getScreen(context));
  }

  AppBar _getAppBar() {
    return new AppBar(title: new Text("Регистрация магазина"),
        backgroundColor: primaryColor,  actions: <Widget>[
          new IconButton(
            icon: new Icon(Icons.help_outline),
            onPressed: () {}
          )]);
  }

  Widget _getScreen(BuildContext context) {
    return new Center(child: new Column(children: <Widget>[
      _getLogo(),
      _getDecoratedText(),
      _getMessage(),
      _getButton(context)
    ]));
  }

  Container _getLogo() {
    return new Container(padding: new EdgeInsets.only(top: 16.0, bottom: 16.0),
        child: new Image.asset(logo_png, height: 24.0, width: 156.0));
  }

  Container _getDecoratedText() {
    return new Container(margin: new EdgeInsets.only(left: 28.0, right: 28.0),
            padding: new EdgeInsets.only(top: 12.0, bottom: 12.0, left: 16.0, right: 16.0),
            decoration: _getDecoraionForMerchantId(),
            child: _getMerchantIDText());
  }

  Text _getMerchantIDText() {
    return new Text(merchantID, style: new TextStyle(color: const Color(0xffa5a5a5), fontSize: 16.0));
  }

  Container _getMessage() {
    return new Container(padding: new EdgeInsets.only(top: 20.0, left: 26.0, right: 26.0),
        child: new Container(height: 128.0, decoration: _getDecoraionForMessageField(),
            padding: new EdgeInsets.only(top: 16.0, bottom: 8.0, left: 28.0, right: 28.0),
            child: new Text('Запрос на активацию программы отправлен, дождrитесь подтверждения активации администратором',
                textAlign: TextAlign.center, style: new TextStyle(fontWeight: FontWeight.bold, color: const Color(0xff4e3a19)))));
  }

  Decoration _getDecoraionForMessageField() {
    return new BoxDecoration(image: new DecorationImage(
      image: new ExactAssetImage(activate_token_bg_png), fit: BoxFit.fill));
  }

  Decoration _getDecoraionForMerchantId() {
    return new BoxDecoration(color: Colors.white,
        border: new Border.all(color: const Color(0xffcfd8dc), width: 1.0),
        borderRadius: new BorderRadius.all(new Radius.circular(4.0)));
  }

  Container _getButton(BuildContext context) {
    return new Container(padding: new EdgeInsets.only(top: 36.0),
        child: new Container(height: 64.0, padding: new EdgeInsets.all(8.0),
            child: new RaisedButton(child: new Text('Обновить статус активации',
                style: new TextStyle(color: Colors.white)),
                onPressed: () {
                  startScanner(context);
                })));
  }
}

_checkToken(BuildContext context) {
  checkToken(context, new CheckTokenCallback());
}

class CheckTokenCallback extends Callback {

  call(BuildContext context) {
    startScanner();
  }
}