"""Module that provides generation of upload data."""

import uuid

from podcast import config
from podcast.constants import api as api_const
from podcast.models import token


def _generate_filename():
    unique_name = uuid.uuid4()
    underscored_name = str(unique_name).replace('-', '_')
    return underscored_name


def get_upload_permission():
    """Generate data required for asset upload.

    Returns:
        dict: Contains information for uploading.
    """
    filename = _generate_filename()
    credentials = token.get_s3_token(filename)

    return {
        'credentials': credentials,
        'bucket': config.OUTPUT_ASSETS_BUCKET_NAME,
        'filename': '{}/{}'.format(api_const.ADUPLOAD_PATH, filename),
    }