"""Amazon S3 connector."""

import boto3

from video import config


def get_s3_client():
    """Get S3 client.

    Returns:
         boto3.client.S3: S3 client.
    """
    return boto3.client('s3', region_name=config.AWS_REGION)


def get_url_for_s3_object(bucket, key):
    """Get URL for S3 Object.

    Args:
        bucket (str): S3 bucket.
        key (str): S3 key.
    Returns:
        str: URL for S3 object.
    """
    s3 = get_s3_client()
    return s3.generate_presigned_url(
        ClientMethod='get_object',
        Params={
            'Bucket': bucket,
            'Key': key,
        },
        ExpiresIn=86400,
    )