"""This module is responsible for audio meta data validation."""

from trafaret import DataError

from common_config import logger  # noqa
import schemas_factory  # noqa


def validate_audio_metadata(audio_metadata):
    """Validate audio metadata.

    Args:
        audio_metadata (dict): Input audio metadata.
    Returns:
        bool: True or throw ValueError.
    Raises:
        ValueError: Invalid metadata of audio file.

    """
    try:
        mime_type = audio_metadata.get('mime_type', '').lower()
        schema = schemas_factory.get_audio_validation_schema(mime_type)
        schema.check(audio_metadata)
        return True
    except DataError as e:
        logger.exception(str(e))
        error_message = schemas_factory.extract_errors(e)
        raise ValueError(error_message)