"""
Vhex kernel uninstall script
"""
import os
import sys

from scripts.core.cmake import cmake_uninstall

__all__ = [
    'uninstall_entry'
]

__HELP__ = """ usage: vxdev uninstall [OPTIONS] ...

uninstall script for the Vhex kernel

Options:
    -h, --help      display this message
    -v, --verbose   display more information during the building process
"""

#---
# Public
#---

def uninstall_entry(argv):
    """ uninstall entry """
    if '-h' in argv or '--help' in argv:
        print(__HELP__)
        sys.exit(0)

    enable_verbose = False
    for arg in argv:
        if arg in ['-v', '--verbose']:
            enable_verbose = True
            continue
        print(f"unrecognized argument '{arg}'", file=sys.stderr)
        sys.exit(84)

    try:
        _ = os.environ['VXSDK_PREFIX_BUILD']
        __ = os.environ['VXSDK_PREFIX_INSTALL']
    except KeyError:
        print(
            "unable to generate the configuration file, you should use the "
            "vxSDK",
            file=sys.stderr
        )
        sys.exit(84)
    return cmake_uninstall(os.environ['VXSDK_PREFIX_BUILD'], enable_verbose)