"""Feature flags logic."""
import re

from flask import g
from pythonfeatures import pythonfeatures
from pythonfeatures.constants import split as split_constants


def _check_feature_flag(feature_flag):
    """Check if a feature flag is enabled."""
    return (
        pythonfeatures.get_single_feature(feature_flag, g.request_context).message
        == split_constants.FEATURE_ENABLED
    )


def get_mobile_features():
    """Get all mobile feature flags."""
    features = pythonfeatures.get_all_features(g.request_context)
    mobile_features = {
        k: v
        for k, v in features.message.items()
        if re.search("^mobile_.*$", k) is not None
    }

    return mobile_features