"""
Camoufox version constants.
"""
import os


class CONSTRAINTS:
    """
    The minimum and maximum supported versions of the Camoufox browser.
    """

    MIN_VERSION = os.getenv("CAMOUFOX_MIN_VERSION", 'beta.19')
    MAX_VERSION = os.getenv("CAMOUFOX_MAX_VERSION", '1')

    @staticmethod
    def as_range() -> str:
        """
        Returns the version range as a string.
        """
        return f">={CONSTRAINTS.MIN_VERSION}, <{CONSTRAINTS.MAX_VERSION}"