Praudyog

@router.post("/api/chat")
async def chat(
    request: Request,
    audio: Optional[UploadFile] = File(None),
    text: Optional[str] = Form(None)
):
    """
    Handle chat requests - supports both audio and text input
    """
    try:
        # Handle audio input
        if audio:
            # Validate file extension
            file_extension = audio.filename.split('.')[-1].lower()
            if file_extension not in settings.ALLOWED_EXTENSIONS:
                raise HTTPException(
                    status_code=400, 
                    detail=f"File type not allowed. Allowed types: {settings.ALLOWED_EXTENSIONS}"
                )
            
            # Save uploaded audio file
            file_path = os.path.join(settings.UPLOAD_FOLDER, audio.filename)
            os.makedirs(settings.UPLOAD_FOLDER, exist_ok=True)
            
            with open(file_path, "wb") as f:
                content = await audio.read()
                f.write(content)
            
            # Transcribe audio to text
            transcription = await speech_service.transcribe_audio(file_path)
            
            # Clean up uploaded file
            if os.path.exists(file_path):
                os.remove(file_path)
            
            return JSONResponse(content={"text": transcription})
        
        # Handle text input
        if text:
            # Get AI response
            response_text = await openai_service.get_answer(text)
            
            # Convert response to audio
            audio_filename = await audio_service.text_to_audio(response_text)
            
            # Build audio URL
            audio_url = f"/static/audio/{audio_filename}"
            
            return JSONResponse(content={
                "text": response_text,
                "voice": audio_url
            })
        
        raise HTTPException(status_code=400, detail="No audio or text provided")
    
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))