feat: 新增ai_chat_core，将core 和 widget 分离（未完成）

迁移了 models enums， utils， http 封装，还有一些extensions；service 只迁移了 sse service

lib/ai_chat_assistant.dart

@@ -16,14 +16,7 @@ export 'services/message_service.dart';
 export 'services/command_service.dart';
 
 // types && enums && models
-export 'models/vehicle_cmd.dart';
-export 'models/vehicle_cmd_response.dart';
-export 'models/chat_message.dart';
-export 'models/vehicle_status_info.dart';
-
-export 'enums/vehicle_command_type.dart';
-export 'enums/message_status.dart';
-export 'enums/message_service_state.dart';
+export 'package:ai_chat_core/ai_chat_core.dart';
 
 // utils
 export 'utils/assets_util.dart';

lib/bloc/ai_chat_cubit.dart

@@ -1,5 +1,3 @@
-import '../enums/vehicle_command_type.dart';
-import '../services/command_service.dart';
 import 'easy_bloc.dart';
 import 'command_state.dart';
 

lib/bloc/command_state.dart

@@ -1,6 +1,7 @@
-import '../enums/vehicle_command_type.dart';
 
 // AI Chat Command States
+import 'package:ai_chat_core/ai_chat_core.dart';
+
 enum AIChatCommandStatus {
   idle,
   executing,

lib/enums/message_service_state.dart

@@ -1,6 +0,0 @@
-enum MessageServiceState {
-  idle,
-  recording,
-  recognizing,
-  replying,
-}

lib/enums/message_status.dart

@@ -1,16 +0,0 @@
-enum MessageStatus {
-  normal('普通消息', 'Normal'),
-  listening('聆听中', 'Listening'),
-  recognizing('识别中', 'Recognizing'),
-  thinking('思考中', 'Thinking'),
-  completed('完成回答', 'Completed'),
-  executing('执行中', 'Executing'),
-  success('执行成功', 'Success'),
-  failure('执行失败', 'Failure'),
-  aborted('已中止', 'Aborted');
-
-  const MessageStatus(this.chinese, this.english);
-
-  final String chinese;
-  final String english;
-}

lib/enums/vehicle_command_type.dart

@@ -1,29 +0,0 @@
-enum VehicleCommandType {
-  unknown('未知', 'unknown'),
-  lock('上锁车门', 'lock'),
-  unlock('解锁车门', 'unlock'),
-  openWindow('打开车窗', 'open window'),
-  closeWindow('关闭车窗', 'close window'),
-  appointAC('预约空调', 'appoint AC'),
-  openAC('打开空调', 'open AC'),
-  closeAC('关闭空调', 'close AC'),
-  changeACTemp('修改空调温度', 'change AC temperature'),
-  coolSharply('极速降温', 'cool sharply'),
-  prepareCar('一键备车', 'prepare car'),
-  meltSnow('一键融雪', 'melt snow'),
-  openTrunk('打开后备箱', 'open trunk'),
-  closeTrunk('关闭后备箱', 'close trunk'),
-  honk('鸣笛', 'honk'),
-  locateCar('定位车辆', 'locate car'),
-  openWheelHeat('开启方向盘加热', 'open wheel heat'),
-  closeWheelHeat('关闭方向盘加热', 'close wheel heat'),
-  openMainSeatHeat('开启主座椅加热', 'open main seat heat'),
-  closeMainSeatHeat('关闭主座椅加热', 'close main seat heat'),
-  openMinorSeatHeat('开启副座椅加热', 'open minor seat heat'),
-  closeMinorSeatHeat('关闭副座椅加热', 'close minor seat heat');
-
-  const VehicleCommandType(this.chinese, this.english);
-
-  final String chinese;
-  final String english;
-} 

lib/manager.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:ai_chat_core/ai_chat_core.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_vosk_wakeword/flutter_vosk_wakeword.dart';
@@ -10,7 +11,6 @@ import 'package:porcupine_flutter/porcupine_manager.dart';
 
 import 'bloc/ai_chat_cubit.dart';
 import 'bloc/command_state.dart';
-import 'models/vehicle_cmd.dart';
 
 /// 车辆命令处理器抽象类
 abstract class VehicleCommandHandler {

lib/models/chat_message.dart

@@ -1,17 +0,0 @@
-import '../enums/message_status.dart';
-
-class ChatMessage {
-  final String id;
-  final String text;
-  final bool isUser;
-  final DateTime timestamp;
-  MessageStatus status;
-
-  ChatMessage({
-    required this.id,
-    required this.text,
-    required this.isUser,
-    required this.timestamp,
-    this.status = MessageStatus.normal,
-  });
-}

lib/models/vehicle_cmd.dart

@@ -1,40 +0,0 @@
-import '../enums/vehicle_command_type.dart';
-
-/// 车辆控制命令类
-class VehicleCommand {
-  final VehicleCommandType type;
-  final Map<String, dynamic>? params;
-  final String error;
-  late String commandId;
-
-  VehicleCommand({required this.type, this.params, this.error = ''}) {
-    commandId = DateTime.now().millisecondsSinceEpoch.toString();
-  }
-
-  // 从字符串创建命令（用于从API响应解析）
-  factory VehicleCommand.fromString(
-      String commandStr, Map<String, dynamic>? params, String error) {
-    // 将字符串转换为枚举值
-    VehicleCommandType type;
-    try {
-      type = VehicleCommandType.values.firstWhere(
-        (e) => e.name == commandStr,
-        orElse: () => VehicleCommandType.unknown,
-      );
-    } catch (e) {
-      print('Error parsing command string: $e');
-      // 默认为搜车指令，或者你可以选择抛出异常
-      type = VehicleCommandType.unknown;
-    }
-
-    return VehicleCommand(type: type, params: params, error: error);
-  }
-
-  // 将命令转换为字符串（用于API请求）
-  String get commandString => type.name;
-
-  @override
-  String toString() {
-    return 'VehicleCommand(command: ${type.name}, params: $params)';
-  }
-}

lib/models/vehicle_cmd_response.dart

@@ -1,11 +0,0 @@
-import 'package:ai_chat_assistant/models/vehicle_cmd.dart';
-
-class VehicleCommandResponse {
-  final String? tips;
-  final List<VehicleCommand> commands;
-
-  VehicleCommandResponse({
-    this.tips,
-    required this.commands,
-  });
-}

lib/models/vehicle_status_info.dart

@@ -1,90 +0,0 @@
-class VehicleStatusInfo {
-  /// 对应车架号
-  String vin = "";
-
-  /// 剩余里程
-  double remainingMileage = 0;
-
-  /// 空调开关状态 开启true，false关闭
-  bool acState = false;
-
-  /// 空调温度 未拿到、不支持都返回0；原始值
-  double acTemp = 0;
-
-  /// AC开关 true打开，false关闭
-  bool acSwitch = false;
-
-  /// 左前锁状态 true解锁，false闭锁
-  bool leftFrontLockState = false;
-
-  /// 右前锁状态 true解锁，false闭锁
-  bool rightFrontLockState = false;
-
-  /// 左后锁状态 true解锁，false闭锁
-  bool leftRearLockState = false;
-
-  /// 右后锁状态 true解锁，false闭锁
-  bool rightRearLockState = false;
-
-  /// 左前门状态 true打开，false关闭
-  bool leftFrontDoorState = false;
-
-  /// 右前门状态 true打开，false关闭
-  bool rightFrontDoorState = false;
-
-  /// 左后门状态 true打开，false关闭
-  bool leftRearDoorState = false;
-
-  /// 右后门状态 true打开，false关闭
-  bool rightRearDoorState = false;
-
-  /// 左前窗状态 true打开，false关闭
-  bool leftFrontWindowState = false;
-
-  /// 右前窗状态 true打开，false关闭
-  bool rightFrontWindowState = false;
-
-  /// 左后窗状态 true打开，false关闭
-  bool leftRearWindowState = false;
-
-  /// 右后窗状态 true打开，false关闭
-  bool rightRearWindowState = false;
-
-  /// 后备箱状态 true打开，false关闭
-  bool trunkState = false;
-
-  /// 电量百分比
-  int soc = 0;
-
-  /// 车内温度
-  double temperatureInside = 0;
-
-  /// 方向盘加热状态 false：未加热 true：加热中
-  bool wheelHeat = false;
-
-  /// 主座椅加热状态 false：未加热 true：加热中
-  bool mainSeatHeat = false;
-
-  /// 副座椅加热档位 false：未加热 true：加热中
-  bool minorSeatHeat = false;
-
-  /// 是否行驶中，仅用于车控前置条件判断
-  bool isDriving = false;
-
-  /// 会员是否过期 true过期，false不过期
-  bool vipExpired = false;
-
-  /// 会员有效期，时间戳，单位毫秒
-  int vipTime = 0;
-
-  /// 距离过期还剩多少天
-  int vipRemainCount = 0;
-
-  /// 车况更新时间 ms
-  int statusUpdateTime = 0;
-
-  @override
-  String toString() {
-    return 'IGKVehicleStatusInfo{vin:$vin, LockState:($leftFrontLockState,$rightFrontLockState,$leftRearLockState,$rightRearLockState), DoorState:($leftFrontDoorState,$rightFrontDoorState,$leftRearDoorState,$rightRearDoorState), WindowState: ($leftFrontWindowState,$rightFrontWindowState,$leftRearWindowState,$rightRearWindowState), trunkState: $trunkState, soc: $soc, remainingMileage: $remainingMileage, acState: $acState, acTemp: $acTemp, acSwitch:$acSwitch, isDriving:$isDriving, vipExpired: $vipExpired, vipTime: $vipTime, vipRemainCount: $vipRemainCount}';
-  }
-}

lib/pages/full_screen.dart

@@ -1,7 +1,6 @@
-import 'package:ai_chat_assistant/models/chat_message.dart';
+import 'package:ai_chat_core/ai_chat_core.dart';
 import 'package:t_basic_intl/intl.dart';
 import 'package:flutter/material.dart';
-import '../enums/message_status.dart';
 import '../widgets/chat_box.dart';
 import '../widgets/gradient_background.dart';
 import '../services/message_service.dart';

lib/services/chat_sse_service.dart

@@ -3,7 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 
-import 'package:ai_chat_assistant/utils/tts_util.dart';
+import '../utils/tts_util.dart';
 
 import '../utils/common_util.dart';
 

lib/services/command_service.dart

@@ -1,5 +1,5 @@
-import '../enums/vehicle_command_type.dart';
-import '../models/vehicle_status_info.dart';
+import 'package:ai_chat_core/ai_chat_core.dart';
+
 
 /// 命令处理回调函数定义
 typedef CommandCallback = Future<(bool, Map<String, dynamic>? params)> Function(

lib/services/control_recognition_service.dart

@@ -1,8 +1,6 @@
 import 'dart:convert';
+import 'package:ai_chat_core/ai_chat_core.dart';
 import 'package:http/http.dart' as http;
-import '../models/vehicle_cmd.dart';
-import '../models/vehicle_cmd_response.dart';
-import 'vehicle_state_service.dart';
 
 /// 车辆命令服务 - 负责与后端交互以获取和处理车辆控制命令
 class VehicleCommandService {

lib/services/message_service.dart

@@ -8,14 +8,17 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:uuid/uuid.dart';
-import '../services/chat_sse_service.dart';
+import '../services/chat_sse_service.dart' as Service;
 import '../services/classification_service.dart';
 import '../services/control_recognition_service.dart';
 // import '../services/audio_recorder_service.dart';
 // import '../services/voice_recognition_service.dart';
-import 'command_service.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 
+import 'platform_tts_service.dart';
+
+const aliSdkChannelName = 'com.example.ai_chat_assistant/ali_sdk';
+
 // 用单例的模式创建
 class MessageService extends ChangeNotifier {
   static const MethodChannel _asrChannel = MethodChannel('com.example.ai_chat_assistant/ali_sdk');
@@ -77,7 +80,9 @@ class MessageService extends ChangeNotifier {
     }
   }
 
-  final ChatSseService _chatSseService = ChatSseService();
+  // final ChatSseService _chatSseService = ChatSseService(PlatformTtsService(aliSdkChannelName));
+  final Service.ChatSseService _chatSseService = Service.ChatSseService();
+
   // final LocalTtsService _ttsService = LocalTtsService();
   // final AudioRecorderService _audioService = AudioRecorderService();
   // final VoiceRecognitionService _recognitionService = VoiceRecognitionService();

lib/services/platform_tts_service.dart

@@ -0,0 +1,36 @@
+import 'package:ai_chat_core/ai_chat_core.dart';
+import 'package:flutter/services.dart';
+
+/// TtsService 的平台特定实现，通过 MethodChannel 调用原生代码
+class PlatformTtsService implements TtsService {
+  @override
+  final String channelName;
+
+  final MethodChannel _channel;
+
+  PlatformTtsService(this.channelName): _channel = MethodChannel(channelName);
+
+  Future<T?> _execute<T>(String method, [Map<Object, Object>? arguments]) {
+    return _channel.invokeMethod(method, arguments);
+  }
+
+  @override
+  Future<bool> start(bool isChinese) async {
+    return await _execute('startTts', {'isChinese': isChinese}) ?? false;
+  }
+
+  @override
+  Future<void> send(String text) async {
+    await _execute('sendTts', {'text': text});
+  }
+
+  @override
+  Future<void> complete() async {
+    await _execute('completeTts');
+  }
+
+  @override
+  Future<void> stop() async {
+    await _execute('stopTts');
+  }
+}

lib/services/tts_service.dart

@@ -6,6 +6,7 @@ import 'package:ai_chat_assistant/utils/common_util.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_tts/flutter_tts.dart';
 
+@Deprecated('Use TtsService interface and its implementations instead')
 class LocalTtsService {
   final FlutterTts _flutterTts = FlutterTts();
   bool _isPlaying = false;

lib/services/voice_recognition_service.dart

@@ -2,6 +2,7 @@ import 'package:http/http.dart' as http;
 import 'dart:convert';
 import 'package:http_parser/http_parser.dart';
 
+@Deprecated('VoiceRecognitionService is deprecated, please use the new implementation if available.')
 class VoiceRecognitionService {
   Future<String?> recognizeSpeech(List<int> audioBytes,
       {String lang = 'cn'}) async {

lib/widgets/chat_box.dart

@@ -1,5 +1,5 @@
+import 'package:ai_chat_core/ai_chat_core.dart';
 import 'package:flutter/material.dart';
-import '../models/chat_message.dart';
 import 'chat_bubble.dart';
 
 class ChatBox extends StatelessWidget {

lib/widgets/chat_bubble.dart

@@ -1,10 +1,9 @@
 import 'package:ai_chat_assistant/utils/common_util.dart';
 import 'package:ai_chat_assistant/widgets/rotating_image.dart';
+import 'package:ai_chat_core/ai_chat_core.dart';
 import 'package:t_basic_intl/intl.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_markdown_plus/flutter_markdown_plus.dart';
-import '../enums/message_status.dart';
-import '../models/chat_message.dart';
 import 'package:provider/provider.dart';
 import '../services/message_service.dart';
 import 'package:flutter/services.dart';