import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

class MyLocalizations {
  MyLocalizations(this.locale);

  final Locale locale;
  Map<String, Map<String, String>> _localizedValues = {
    'en': {

    },
    'uk': {

    },
    'ru': {

    },
    'pl': {

    },
    "de": {

    }
  };

  String translate(key) {
    if ([locale.languageCode].contains(locale.languageCode))
      return _localizedValues[locale.languageCode][key];
    else
      return _localizedValues["en"][key];
  }

  static String of(BuildContext context, String key) {
    return Localizations.of<MyLocalizations>(context, MyLocalizations)
        .translate(key);
  }
}

class MyLocalizationsDelegate extends LocalizationsDelegate<MyLocalizations> {
  const MyLocalizationsDelegate();

  @override
  bool isSupported(Locale locale) => true;

  @override
  Future<MyLocalizations> load(Locale locale) {
    return SynchronousFuture<MyLocalizations>(MyLocalizations(locale));
  }

  @override
  bool shouldReload(MyLocalizationsDelegate old) => false;
}