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

class AppLocalizations {
  AppLocalizations(this.locale);

  final Locale locale;

  static AppLocalizations of(BuildContext context) =>
      Localizations.of<AppLocalizations>(context, AppLocalizations)!;

  static List<String> languages() => ['en'];

  String get languageCode => locale.languageCode;
  int get languageIndex => languages().contains(languageCode)
      ? languages().indexOf(languageCode)
      : 0;

  String getText(String key) =>
      (kTranslationsMap[key] ?? {})[locale.languageCode] ?? '';

  String getVariableText({
    String enText = '',
  }) =>
      [enText][languageIndex];
}

class AppLocalizationsDelegate extends LocalizationsDelegate<AppLocalizations> {
  const AppLocalizationsDelegate();

  @override
  bool isSupported(Locale locale) =>
      AppLocalizations.languages().contains(locale.languageCode);

  @override
  Future<AppLocalizations> load(Locale locale) =>
      SynchronousFuture<AppLocalizations>(AppLocalizations(locale));

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

final kTranslationsMap =
    <Map<String, Map<String, String>>>[].reduce((a, b) => a..addAll(b));