"""module contains utility functions for the obsws_cli package."""

import os


def snakecase_to_titlecase(snake_str: str) -> str:
    """Convert a snake_case string to a title case string."""
    return snake_str.replace('_', ' ').title()


def check_mark(value: bool, empty_if_false: bool = False) -> str:
    """Return a check mark or cross mark based on the boolean value."""
    if empty_if_false and not value:
        return ''

    # For all other output rich gracefully handles colourless output
    # but here we must handle it manually
    # If NO_COLOR is set, return simple check or cross marks
    # Otherwise, return colored check or cross marks
    if os.getenv('NO_COLOR', '') != '':
        return '✓' if value else '✗'
    return '✅' if value else '❌'