import 'dart:convert';

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

import 'package:get/get.dart';
import 'package:encrypt_shared_preferences/provider.dart';

class MyTranslations extends Translations {
  static final MyTranslations instance = MyTranslations._internal();
  MyTranslations._internal();

  static final Map<String, Map<String, String>> _translations = {};

  static Future<void> loadTranslations() async {
    final locales = ['en_US', 'de_DE', 'fr_FR', 'nl_NL'];
    for (final locale in locales) {
      final String jsonString = await rootBundle.loadString('assets/i18n/$locale.json');
      final Map<String, dynamic> jsonMap = json.decode(jsonString);
      _translations[locale] = jsonMap.map((key, value) => MapEntry(key, value.toString()));
    }
  }

  @override
  Map<String, Map<String, String>> get keys => _translations;
}

class LocalizationController extends GetxController {
  final EncryptedSharedPreferencesAsync storage =
      EncryptedSharedPreferencesAsync.getInstance();
  Rx<Locale> currentLocale = const Locale('en', 'US').obs;

  @override
  void onInit() {
    super.onInit();
    loadLocale();
  }

  Future<void> loadLocale() async {
    String? savedLocale = await storage.getString(
      'locale',
      defaultValue: 'en_US',
    );
    if (savedLocale != null && savedLocale.isNotEmpty) {
      final List<String> parts = savedLocale.split('_');
      currentLocale.value = parts.length == 2
          ? Locale(parts[0], parts[1])
          : Locale(parts[0]);
      Get.locale = currentLocale.value;
    }
  }

  Future<void> changeLocale(Locale newLocale) async {
    currentLocale.value = newLocale;
    Get.updateLocale(newLocale);
    await storage.setString(
      'locale',
      '${newLocale.languageCode}_${newLocale.countryCode}',
    );
  }
}