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_Info.dart';
import '../../settings/controllers/settings_controller.dart';
import 'dart:io';
import 'dart:convert';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'package:path_provider/path_provider.dart';
import '../../../data/services/network/api.dart';
import 'package:dio/dio.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'; //用户信息存储键
  final _storage = GetStorage(); //本地存储
  final ImagePicker _picker = ImagePicker(); //图片选择器
  final Rx<User> userInfo = User.instance.obs; // 响应式用户信息对象，使用单例模式确保全局唯一性
  final RxString localAvatar = ''.obs; // 本地头像路径，便于响应式更新UI

  // 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
        "language": currentLanguage.value,
        "name": userInfo.value.name,
      };

      // // 如果有头像，转换为base64
      // if (localAvatar.value.isNotEmpty) {
      //   try{
      //     File imageFile = File(localAvatar.value);
      //     if(await imageFile.exists()){
      //               List<int> imageBytes = await imageFile.readAsBytes();
      //   String base64Image = base64Encode(imageBytes);
      //   data["image"] = base64Image;
      //     }else{
      //       Logger().e('头像文件不存在');
      //     }
      //   }catch(e){
      //     Logger().e('读取头像文件失败: $e');
      //   }

      // }

      final dio = Dio(BaseOptions(
        baseUrl: 'https://www.deapsound.com:443',
        headers: {
          'accept': 'application/json',
          'Authorization': _storage.read<String>("logintoken"),
          'Content-Type': 'application/json',
        },
      ));

      // 调用API前打印token
      Logger().d('当前用户token: ${userInfo.value.token}');
      Logger().d('请求数据: ${{"user": data}}');
      final response = await dio.post(
        '/api/home/user_setting',
        data: data,
      );
      // 调用API
      //final response = await Api.updateUserSetting(data);

      if (response.statusCode == 200) {
        if (response.data['code'] == 0) {
          Logger().d('更新成功: ${response.data}');
          Get.snackbar('成功', '同步到服务器成功');
        } else {
          throw '更新失败：${response.data['msg'] ?? '未知错误'}';
        }
      } else {
        throw '服务器响应错误: ${response.statusCode}';
      }
    } 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 = User.instance;
      // 如果有远程头像地址，下载并保存到本地
      if (userInfo.value.avatar.isNotEmpty) {
        _downloadAndSaveAvatar(userInfo.value.avatar);
      }
    }
  }

  // 下载并保存远程头像
  Future<void> _downloadAndSaveAvatar(String url) async {
    try {
      final response = await GetConnect().get(url);
      if (response.status.isOk && response.body != null) {
        // 保存到应用文档目录
        final appDir = await getApplicationDocumentsDirectory();
        final fileName = 'avatar_${DateTime.now().millisecondsSinceEpoch}.jpg';
        final localPath = '${appDir.path}/$fileName';

        // 写入文件
        final file = File(localPath);
        final List<int> bytes = response.body.runtimeType == String
            ? base64Decode(response.body.toString())
            : response.body;
        await file.writeAsBytes(bytes);

        // 更新本地头像路径
        localAvatar.value = localPath;
        await _storage.write('local_avatar', localPath);
        Logger().d('头像已下载到本地: $localPath');
      }
    } catch (e) {
      Logger().e('下载头像失败: $e');
    }
  }

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

  // 更新用户头像
  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;
        }
      });

      // 更新本地头像路径
      localAvatar.value = image.path;
      await _storage.write('local_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();
      // }
    }
  }

  // 更新用户名
  Future<void> updateUserName(String name) async {
    if (name.trim().isEmpty) {
      Logger().e('无效名称: $name');
      return;
    }

    try {
      userInfo.update((user) {
        if (user != null) {
          user.name = name.trim();
          Logger().d('名称更新为: ${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('更新名称错误: $e');
      Get.snackbar('错误', '更新用户名失败');
    }
  }
}