enforce using bot transcription if exist (#1078)

* enforce bot transcription if exist

* follow snake case model key convention

* update text color in speech to text toolbar

---------

Co-authored-by: ggurdin <ggurdin@gmail.com>
Co-authored-by: ggurdin <46800240+ggurdin@users.noreply.github.com>

lib/pangea/constants/model_keys.dart

@@ -102,6 +102,7 @@ class ModelKey {
   static const String feedbackLang = "feedback_lang";
 
   static const String transcription = "transcription";
+  static const String botTranscription = 'bot_transcription';
 
   // bot options
   static const String languageLevel = "difficulty";

lib/pangea/matrix_event_wrappers/pangea_message_event.dart

@@ -248,6 +248,15 @@ class PangeaMessageEvent {
       return null;
     }
 
+    final rawBotTranscription =
+        event.content.tryGetMap(ModelKey.botTranscription);
+    if (rawBotTranscription != null) {
+      final botTranscription = SpeechToTextModel.fromJson(
+        Map<String, dynamic>.from(rawBotTranscription),
+      );
+      return botTranscription;
+    }
+
     final SpeechToTextModel? speechToTextLocal = representations
         .firstWhereOrNull(
           (element) => element.content.speechToText != null,

lib/pangea/models/speech_to_text_models.dart

@@ -91,10 +91,7 @@ class STTToken {
 
   Color color(BuildContext context) {
     if (confidence == null) {
-      return Theme.of(context).textTheme.bodyMedium?.color ??
-          (Theme.of(context).brightness == Brightness.dark
-              ? Colors.white
-              : Colors.black);
+      return Theme.of(context).colorScheme.onSurface;
     }
     if (confidence! > THRESHOLD_FOR_GREEN) {
       return AppConfig.success;

lib/pangea/widgets/chat/message_speech_to_text_card.dart

@@ -77,9 +77,20 @@ class MessageSpeechToTextCardState extends State<MessageSpeechToTextCard> {
     final String fullText = transcript.text;
     int lastEnd = 0;
 
+    if (transcript.sttTokens.isEmpty) {
+      return TextSpan(
+        text: fullText,
+        style: BotStyle.text(
+          context,
+          existingStyle: TextStyle(
+            color: Theme.of(context).colorScheme.onSurface,
+          ),
+          setColor: false,
+        ),
+      );
+    }
+
     for (final token in transcript.sttTokens) {
-      // debugPrint('Token confidence: ${token.confidence}');
-      // debugPrint('color: ${token.color(context)}');
       if (token.offset > lastEnd) {
         // Add any plain text before the token
         spans.add(
@@ -187,8 +198,13 @@ class MessageSpeechToTextCardState extends State<MessageSpeechToTextCard> {
               ),
             ],
           ),
-          const InlineTooltip(
-            instructionsEnum: InstructionsEnum.speechToText,
+          const Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              InlineTooltip(
+                instructionsEnum: InstructionsEnum.speechToText,
+              ),
+            ],
           ),
         ],
       ),