"""Amazon Step Functions Connector."""

import boto3

from video import config
from video.constants.activities import ACTIVITIES_TO_HANDLERS


def get_stepfunctions_client():
    """Get stepfunctions client.

    Returns:
         boto3.client.SFN: stepfunctions client.
    """
    return boto3.client(
        'stepfunctions',
        region_name=config.AWS_REGION,
        config=boto3.session.Config(
            read_timeout=70
        ),
    )


def list_activities():
    """List all daemon-video activities.

    Returns:
        list: List of daemon-video activities.
    """
    return [
        {
            'name': activity_name,
            'activityArn': '{}{}'.format(
                config.ACTIVITY_ARN_PREFIX, activity_name)
        } for activity_name in list(ACTIVITIES_TO_HANDLERS.keys())
    ]