import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import '../../../data/models/user_model.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();
  //用户信息
  static const String userKey='user_info';
  final _storage=GetStorage();
  final ImagePicker _picker=ImagePicker();
  final Rx<UserModel> userInfo=UserModel.defaultUser().obs;
  
  // 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();
    loadUserInfo();
    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;
  // }

    void loadUserInfo() {
    final userJson = _storage.read(userKey);
    if (userJson != null) {
      userInfo.value = UserModel.fromJson(userJson);
    }
  }

  Future<void> saveUserInfo() async {
    await _storage.write(userKey, userInfo.value.toJson());
  }

  Future<void> updateUserAvatar() async {
    final XFile? image = await _picker.pickImage(
      source: ImageSource.gallery,
      maxWidth: 800,
      maxHeight: 800,
      imageQuality: 85,
    );
    
    if (image != null) {
      userInfo.update((user) {
        if (user != null) {
          user.avatar = image.path;
        }
      });
      await saveUserInfo();
    }
  }

  Future<void> updateUserName(String name) async {
    if (name.trim().isNotEmpty) {
      userInfo.update((user) {
        if (user != null) {
          user.name = name.trim();
        }
      });
      await saveUserInfo();
    }
  }
}