import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:flutter/material.dart';

class ProfileController extends GetxController {
  static ProfileController get to => Get.find();
  
  final _userName = ''.obs;
  final _email = ''.obs;
  final _avatar = ''.obs;
  final _isEditing = false.obs;
  final _storage = GetStorage();
  
  // 使用响应式变量
  final currentLanguage = 'zh'.obs;
  
  String get userName => _userName.value;
  String get email => _email.value;
  String get avatar => _avatar.value;
  bool get isEditing => _isEditing.value;
  
  @override
  void onInit() {
    super.onInit();
    loadUserData();
    loadLanguagePreference();
  }
  
  void loadUserData() {
    try {
      _userName.value = _storage.read('userName') ?? 'User Name';
      _email.value = _storage.read('userEmail') ?? 'user@example.com';
      _avatar.value = _storage.read('userAvatar') ?? '';
    } catch (e) {
      Get.snackbar('Error', 'Failed to load user data');
    }
  }
  
  // 加载用户语言偏好设置
  void loadLanguagePreference() {
    try {
      final String? languageCode = _storage.read('languageCode');
      final String? countryCode = _storage.read('countryCode');
      
      if (languageCode != null && countryCode != null) {
        Get.updateLocale(Locale(languageCode, countryCode));
        currentLanguage.value = languageCode;
      }
    } catch (e) {
      print('Failed to load language preference: $e');
    }
  }
  
  // 保存用户语言偏好设置
  Future<void> saveLanguagePreference(Locale locale) async {
    try {
      await _storage.write('languageCode', locale.languageCode);
      await _storage.write('countryCode', locale.countryCode);
    } catch (e) {
      print('Failed to save language preference: $e');
    }
  }
  
  // 切换应用语言
  void changeLanguage(String languageCode, String countryCode) {
    // 使用Future.delayed来避免在构建过程中更新UI
    Future.delayed(Duration.zero, () async {
      final locale = Locale(languageCode, countryCode);
      await saveLanguagePreference(locale);
      Get.updateLocale(locale);
      currentLanguage.value = languageCode;
    });
  }
  
  Future<void> updateUserData({
    String? userName,
    String? email,
    String? avatar,
  }) async {
    try {
      if (userName != null) {
        await _storage.write('userName', userName);
        _userName.value = userName;
      }
      if (email != null) {
        await _storage.write('userEmail', email);
        _email.value = email;
      }
      if (avatar != null) {
        await _storage.write('userAvatar', avatar);
        _avatar.value = avatar;
      }
      Get.snackbar('Success', 'Profile updated successfully');
    } catch (e) {
      Get.snackbar('Error', 'Failed to update profile');
    }
  }
  
  void toggleEditing() {
    _isEditing.value = !_isEditing.value;
  }
}