"""Toolbelt settings module.

All code related to working with the ~/.autonomic/settings.yml file. This file
is useful for storing information for future lookup when dealing with
repetitive cooperative tasks.
"""

from autonomic.config import CONFIG_YAML
from autonomic.utils import yaml_dump, yaml_load


def add(data):
    """Add values to the settings file."""
    settings = yaml_load(CONFIG_YAML)

    if settings is None:
        settings = {}

    for key in data:
        settings[key] = data[key]

    yaml_dump(CONFIG_YAML, settings)


def get(key):
    """Retrieve setting values."""
    settings = yaml_load(CONFIG_YAML)

    try:
        return settings[key]
    except Exception:
        return None