import 'package:dio/dio.dart' as dio;
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 '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';
import '../../../routes/app_routes.dart';
//import '../../../modules/login/controllers/googleLogin.dart';
//import '../../../modules/login/controllers/facebookLogin.dart';
import '../../../data/services/account_service.dart';
//import 'package:http_parser/http_parser.dart'; // 新增此导入

class ProfileController extends GetxController {
  static ProfileController get to => Get.find();

  //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
  final RxBool hasEdits = false.obs; // 是否有编辑

  // 使用响应式变量
  final currentLanguage = 'zh'.obs;

  // 账号服务
  late final AccountService _accountService;

  @override
  void onInit() {
    super.onInit();
    // 获取或注册账号服务
    _accountService = Get.find<AccountService>();
    loadUserInfo();
    loadLanguagePreference();
  }

  // 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;
  // }

  // 验证base64图片数据
  // Future<void> _verifyBase64Image(String base64String) async {
  //   try {
  //     // 解码base64数据
  //     List<int> imageBytes = base64Decode(base64String);

  //     // 获取应用文档目录
  //     final appDir = await getApplicationDocumentsDirectory();
  //     final verifyPath = '${appDir.path}/verify_base64_${DateTime.now().millisecondsSinceEpoch}.jpg';

  //     // 将解码后的数据写入文件
  //     final file = File(verifyPath);
  //     await file.writeAsBytes(imageBytes);

  //     // 记录验证文件的路径
  //     Logger().d('Base64验证图片已保存到: $verifyPath');

  //     // 显示图片预览对话框
  //     Get.dialog(
  //       Dialog(
  //         child: Column(
  //           mainAxisSize: MainAxisSize.min,
  //           children: [
  //             Padding(
  //               padding: const EdgeInsets.all(16.0),
  //               child: Text('Base64 图片验证', style: TextStyle(fontWeight: FontWeight.bold)),
  //             ),
  //             Image.file(File(verifyPath)),
  //             Padding(
  //               padding: const EdgeInsets.all(16.0),
  //               child: ElevatedButton(
  //                 onPressed: () => Get.back(),
  //                 child: Text('关闭'),
  //               ),
  //             ),
  //           ],
  //         ),
  //       ),
  //     );

  //     Get.snackbar('验证', '已将Base64转换回图片，请查看预览');
  //   } catch (e) {
  //     Logger().e('验证Base64图片失败: $e');
  //     Get.snackbar('错误', 'Base64验证失败: $e');
  //   }
  // }

  // 更新用户信息到后端
  Future<void> _syncWithBackend() async {
    try {
      // 创建FormData对象用于上传
      dio.FormData formData = dio.FormData();

      // 添加基本用户信息
      formData.fields.add(MapEntry('language', currentLanguage.value));
      formData.fields.add(MapEntry('name', userInfo.value.name));

      // 如果有头像，添加到FormData
      if (localAvatar.value.isNotEmpty) {
        try {
          File imageFile = File(localAvatar.value);
          if (await imageFile.exists()) {
            // 添加文件到FormData
            formData.files.add(
              MapEntry(
                'file',
                await dio.MultipartFile.fromFile(
                  imageFile.path,
                  filename: 'avatar.jpg',
                ),
              ),
            );
            Logger().d('已添加头像文件到请求');
          } else {
            Logger().e('头像文件不存在');
          }
        } catch (e) {
          Logger().e('读取头像文件失败: $e');
        }
      }

      Logger().d('准备更新用户信息: ${formData.fields}');

      // 调用API，使用FormData
      final response = await Api.updateUserSetting(formData);
      Logger().d('--更新用户信息响应: $response');
      if (response != null) {
        Logger().d('更新成功: $response');
        Get.snackbar('成功', '同步到服务器成功');
        userInfo.update((u) {
          if (u != null) {
            u.name = response['name'] ?? '';
            u.avatar = response['avatar'] ?? '';
          }
        });
        Logger().d('更新后的用户信息: ${userInfo.value.toJson()}');
      } else {
        Logger().e('更新失败: $response');
        Get.snackbar('错误', '同步到服务器失败，请重试');
        return;
      }
    } catch (e) {
      Logger().e('同步到后端失败: $e');
      Get.snackbar('Error', '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;
      Logger().d('从本地加载用户信息: $userJson');
      // 如果有远程头像地址，下载并保存到本地
      if (userInfo.value.avatar.isNotEmpty) {
        Logger().d('远程头像地址: ${userInfo.value.avatar}');
        _downloadAndSaveAvatar(userInfo.value.avatar);
      }
    }
  }

  // 下载并保存远程头像
  Future<void> _downloadAndSaveAvatar(String url) async {
    try {
      Logger().d('开始下载头像: $url');

      final dio = Dio(BaseOptions(
        headers: {
          'accept': '*/*',
          'Authorization': _storage.read<String>("logintoken"),
        },
      ));

      final response = await dio.get(
        url,
        options: Options(responseType: ResponseType.bytes),
      );

      Logger().d('下载状态: ${response.statusCode}');

      if (response.statusCode == 200) {
        // 保存到应用文档目录
        final appDir = await getApplicationSupportDirectory();
        final fileName =
            '/UserAvatar/avatar_${DateTime.now().millisecondsSinceEpoch}.jpg';
        final localPath = '${appDir.path}/$fileName';

        // 写入文件
        final file = File(localPath);
        await file.parent.create(recursive: true);
        await file.writeAsBytes(response.data);

        // 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');
        //Get.snackbar('头像', '头像已下载到本地');
      }
    } 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, // 从相册选择
      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();
      // }
      hasEdits.value = true; //表示有编辑
    }
  }

  // 更新用户名
  Future<void> updateUserNameAndAvatar(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.userInfo.value.name = userInfo.value.name;
        settingsController.userInfo.value.avatar =
            '${userInfo.value.avatar}?time=${DateTime.now().millisecondsSinceEpoch}';
        //settingsController.loadUserInfo();
        settingsController.userInfo.refresh();
      }
    } catch (e) {
      Logger().e('更新用户名和头像错误: $e');
      Get.snackbar('错误', '更新用户名和头像失败');
    }
  }

  // 退出登录
  Future<void> signOut() async {
    try {
      // 显示加载提示
      Get.dialog(
        const Center(child: CircularProgressIndicator()),
        barrierDismissible: false,
      );

      // 调用账号服务执行登出
      final result = await _accountService.signOut();

      // 关闭加载提示
      Get.back();

      if (result.success) {
        // 先显示成功提示
        Get.snackbar('成功', result.message ?? '已退出登录');
        Logger().d('退出登录成功');

        // 然后导航到登录页面
        if (Get.currentRoute != Routes.login) {
          await Get.offAllNamed(Routes.login);
        }
      } else {
        Get.snackbar('错误', result.errorMessage ?? '退出登录失败，请重试');
        Logger().e('退出登录失败: ${result.errorMessage}');
      }
    } catch (e) {
      // 确保加载提示被关闭
      if (Get.isDialogOpen ?? false) {
        Get.back();
      }
      Get.snackbar('错误', '退出登录失败，请重试');
      Logger().e('退出登录错误: $e');
    }
  }

  // 注销账号
  Future<void> deleteAccount() async {
    try {
      // 显示加载提示
      Get.dialog(
        const Center(child: CircularProgressIndicator()),
        barrierDismissible: false,
      );

      // 调用账号服务执行账号删除
      final result = await _accountService.deleteAccount();

      // 关闭加载提示
      Get.back();

      if (result.success) {
        // 先显示成功提示
        Get.snackbar('成功', result.message ?? '账号已被永久删除');
        Logger().d('账号删除成功');

        // 然后导航到登录页面
        if (Get.currentRoute != Routes.login) {
          await Get.offAllNamed(Routes.login);
        }
      } else {
        Get.snackbar('错误', result.errorMessage ?? '删除账号失败，请重试');
        Logger().e('删除账号失败: ${result.errorMessage}');
      }
    } catch (e) {
      // 确保加载提示被关闭
      if (Get.isDialogOpen ?? false) {
        Get.back();
      }
      Get.snackbar('错误', '删除账号失败，请重试');
      Logger().e('删除账号失败: $e');
    }
  }
}