"""
Handles processing of audio inputs (e.g., voice memos).
"""
import logging

logger = logging.getLogger(__name__)

def process_audio_input(audio_data: bytes) -> str:
    """
    Placeholder for audio input processing.
    This will eventually involve Speech-to-Text (STT) transcription.

    Args:
        audio_data: The raw bytes of the audio file.

    Returns:
        The transcribed text, or an empty string if failed.
    """
    logger.info("Processing audio input (stub).")
    # In a real implementation, you would use a library like Whisper or a cloud service.
    # For example:
    # try:
    #     result = openai.Audio.transcribe("whisper-1", io.BytesIO(audio_data))
    #     return result['text']
    # except Exception as e:
    #     logger.error(f"Audio transcription failed: {e}")
    #     return ""

    return "Sample transcription from voice memo."