import 'package:get/get.dart';
import 'package:get_storage/get_storage.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart';
import 'package:image_picker/image_picker.dart';
import 'package:logger/logger.dart';
import '../../../data/models/user_model.dart';
import '../../settings/controllers/settings_controller.dart';
import 'dart:io';
import 'dart:convert';
import 'package:flutter_image_compress/flutter_image_compress.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;
  // }

  // 更新用户信息到后端
  Future<void> _syncWithBackend() async {
    try {
      // 准备数据
      Map<String, dynamic> data = {
        "image": "",  // 默认空字符串
        "name": userInfo.value.name,
        "language": currentLanguage.value,
      };

      // 如果有头像，转换为base64
      if (userInfo.value.avatar.isNotEmpty) {
        File imageFile = File(userInfo.value.avatar);
        List<int> imageBytes = await imageFile.readAsBytes();
        String base64Image = base64Encode(imageBytes);
        data["image"] = base64Image;
      }

      // 调用API
      final response = await GetConnect().post(
        'https://www.deapsound.com:443/api/home/user_setting',
        headers: {
          'accept': 'application/json',
          'Content-Type': 'application/json',
        },
        data,
      );

      if (response.statusCode != 200) {
        throw '更新失败：${response.body}';
      }
    } catch (e) {
      Logger().e('同步到后端失败: $e');
      Get.snackbar('错误','同步到服务器失败，请重试');
      throw e;
    }
  }

  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) {
      // 检查文件大小
      final file = File(image.path);
      var fileSize = await file.length();
      var quality = 85;

      // 如果文件大于1MB，进行压缩
      while (fileSize > 1024 * 1024 && quality > 30) {
        final compressedImage = await FlutterImageCompress.compressAndGetFile(
          file.absolute.path,
          file.absolute.path, // 覆盖原文件
          quality: quality,
          minWidth: 800,
          minHeight: 800,
        );

        if (compressedImage == null) {
          Get.snackbar('错误', '图片压缩失败');
          return;
        }

        //更新文件大小和质量
        fileSize = await compressedImage.length();
        quality -= 5;
        Logger().d('压缩后文件大小：$fileSize');
      }

      userInfo.update((user) {
        if (user != null) {
          user.avatar = image.path;
        }
      });
      await saveUserInfo();//保存到本地
      await _syncWithBackend();//同步到后端

      // 通知 SettingsController 更新
      if (Get.isRegistered<SettingsController>()) {
        Get.find<SettingsController>().loadUserInfo();
      }
    }
  }

  Future<void> updateUserName(String name) async {
    if (name.trim().isEmpty) {
      Logger().e('Invalid name: $name');
      return;
    }

    try {
      userInfo.update((user) {
        if (user != null) {
          user.name = name.trim();
          Logger().d('Name updated to: ${user.name}');
        }
      });

      await saveUserInfo();//保存到本地
      await _syncWithBackend();//同步到后端

      // 同步更新 SettingsController
      if (Get.isRegistered<SettingsController>()) {
        final settingsController = Get.find<SettingsController>(); 
        settingsController.loadUserInfo();
      }
    } catch (e) {
      Logger().e('Error updating name: $e');
      Get.snackbar('错误', 'Failed to update user name');
    }
  }
}