[update] use aliyun andriod sdk

lib/services/chat_sse_service.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 
+import 'package:ai_chat_assistant/utils/tts_util.dart';
 import 'package:flutter/services.dart';
 
 import '../utils/common_util.dart';
@@ -16,15 +17,20 @@ class ChatSseService {
   HttpClient? _currentClient;
   HttpClientResponse? _currentResponse;
   bool _isAborted = true;
-  bool isTtsStarted = false;
+  bool _isFirstData = true;
+  bool _isTtsStarted = false;
 
   String? get conversationId => _cachedConversationId;
 
+  Future<void>? _startTtsFuture;
+
   void request({
     required String messageId,
     required String text,
-    required Function(String, String, String, bool) onStreamResponse,
+    required bool isChinese,
+    required Function(String, String, bool) onStreamResponse,
   }) async {
+    print("----------------------SSE Start");
     _isAborted = false;
     if (_cachedUserId == null) {
       _cachedUserId = _generateRandomUserId(6);
@@ -48,25 +54,17 @@ class ChatSseService {
       request.add(utf8.encode(json.encode(body)));
       _currentResponse = await request.close();
       if (_currentResponse!.statusCode == 200) {
-        bool isFirst = true;
+        _startTtsFuture = startTts(isChinese);
         await for (final line in _currentResponse!
             .transform(utf8.decoder)
             .transform(const LineSplitter())) {
           if (_isAborted) {
             break;
           }
-          if (isFirst) {
-            if (!isTtsStarted) {
-              if (await _channel.invokeMethod<bool>("startTts") == true) {
-                isTtsStarted = true;
-              }
-            }
-            isFirst = false;
-          }
           if (line.startsWith('data:')) {
             final jsonStr = line.substring(5).trim();
             if (jsonStr == '[DONE]' || jsonStr.contains('message_end')) {
-              onStreamResponse(messageId, responseText, tempText, true);
+              onStreamResponse(messageId, responseText, true);
               break;
             }
             try {
@@ -81,13 +79,21 @@ class ChatSseService {
                 if (_isAborted) {
                   break;
                 }
-                _channel.invokeMethod("sendTts", {"text": CommonUtil.cleanText(textChunk, true)});
+                tempText += textChunk;
+                int endIndex = _getCompleteTextEndIndex(tempText);
+                String completeText =  CommonUtil.cleanText(tempText.substring(0, endIndex).trim(), true);
+                if (completeText.isNotEmpty) {
+                  if (_isFirstData && _startTtsFuture != null) {
+                    await _startTtsFuture;
+                    _isFirstData = false;
+                  }
+                  print("----------------------Send text: " + completeText);
+                  completeText += isChinese ? '，' : ',';
+                  TtsUtil.send(completeText);
+                }
+                tempText = tempText.substring(endIndex).trim();
                 responseText += textChunk;
-                // tempText += textChunk;
-                // int endIndex = _getCompleteTextEndIndex(tempText);
-                // final completeText = tempText.substring(0, endIndex).trim();
-                // tempText = tempText.substring(endIndex).trim();
-                onStreamResponse(messageId, responseText, "completeText", false);
+                onStreamResponse(messageId, responseText, false);
               }
             } catch (e) {
               print('解析 SSE 数据出错: $e, 原始数据: $jsonStr');
@@ -100,15 +106,22 @@ class ChatSseService {
     } catch (e) {
       // todo
     } finally {
-      isTtsStarted = false;
       resetRequest();
     }
   }
 
+  Future<void> startTts(bool isChinese) async {
+    print("----------------------TTS Start");
+    if (!_isTtsStarted) {
+      if (await TtsUtil.start(isChinese) == true) {
+        _isTtsStarted = true;
+      }
+    }
+  }
+
   Future<void> abort() async {
     _isAborted = true;
-    _channel.invokeMethod("stopTts");
-    isTtsStarted = false;
+    TtsUtil.stopTts();
     resetRequest();
   }
 
@@ -119,11 +132,13 @@ class ChatSseService {
     _currentClient?.close(force: true);
     _currentClient = null;
     _currentResponse = null;
+    _isFirstData = true;
+    _isTtsStarted = false;
   }
 
   int _getCompleteTextEndIndex(String buffer) {
     // 支持句号、问号、感叹号和换行符作为分割依据
-    final sentenceEnders = RegExp(r'[。！？\n]');
+    final sentenceEnders = RegExp(r'[,!?:，。！？：\n]');
     final matches = sentenceEnders.allMatches(buffer);
     return matches.isEmpty ? 0 : matches.last.end;
   }