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

import '../config/ar.dart';
import '../config/en.dart';
import '../config/lang_enum.dart';

class LanguageProvider with ChangeNotifier {
  static final LanguageProvider _languageProvider =
  LanguageProvider._internal();

  factory LanguageProvider() {
    return _languageProvider;
  }

  Language currentLangCode = Language.en;
  Map<String, String> currentLanguage = en;

  Future<void> changeLanguage(String l) async {
    final prefs = await SharedPreferences.getInstance();
    switch (l) {
      case "English":
        currentLangCode = Language.en;
        break;
      case "Arabic":
        currentLangCode = Language.ar;
        break;
    }
    prefs.setString("Language", l);
    await getLanguage();
    notifyListeners();
  }

  Future<void> getLanguage() async {
    var currentLang = await SharedPreferences.getInstance();
    if (currentLang.getString("Language") == "Arabic") {
      currentLangCode = Language.ar;
      currentLanguage = ar;
    } else {
      currentLangCode = Language.en;
      currentLanguage = en;
    }
    notifyListeners();
  }

  String translate(String word) {
    if (currentLanguage.containsKey(word)) {
      if (currentLanguage[word] != null) {
        return currentLanguage[word]!;
      } else {
        return word;
      }
    } else {
      return word;
    }
  }

  String translateToSpecificLanguage(String word ,Language lang) {
    lang = Language.ar;
    final curr = ar;
    if (curr.containsKey(word)) {
      if (curr[word] != null) {
        return curr[word]!;
      } else {
        return word;
      }
    } else {
      return word;
    }
  }


  LanguageProvider._internal();
}

final languageSingleton = LanguageProvider();