# -*- coding: utf-8 -*-

# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

"""
This package contains classes and functions to run X Ray utilities as end-user
"""
from socket import socket, AF_UNIX, SOCK_STREAM

from xray import gettext as _
from xray.console_utils.cmdline_parser import (
    parse_cmd_arguments
)
from xray.internal.constants import user_agent_sock
from xray.internal.exceptions import XRayError
from xray.internal.user_plugin_utils import (
    pack_request,
    unpack_response,
    check_for_root,
    error_response
)

from .runners import get_runner
from clcommon.clwpos_lib import get_locale_from_envars


def executed_as_root_check() -> None:
    """
    Check if User Manager is executed as root and throw error in case if yes
    """
    if check_for_root():
        raise SystemExit(
            error_response(_('X-Ray End-User utilities cannot be executed as root')))


def run(run_for: str = 'manager') -> None:
    """
    Main run function
    """
    executed_as_root_check()

    try:
        runner = get_runner(run_for)
    except XRayError as e:
        raise SystemExit(str(e))

    args = parse_cmd_arguments(runner.args_parser())
    validated_args = runner.validator(args.__dict__)
    validated_args.runner = runner.name
    args_dict = validated_args.__dict__

    lang_env = get_locale_from_envars()
    if not args_dict.get('lang') and lang_env:
        args_dict['lang'] = lang_env

    to_send = pack_request(args_dict)

    with socket(AF_UNIX, SOCK_STREAM) as s:
        try:
            s.connect(user_agent_sock)
        except (ConnectionError, OSError):
            raise SystemExit(error_response(
                _('X-Ray User Plugin is not enabled. Please, contact your server administrator')))
        s.sendall(to_send)
        data = unpack_response(s)
    print(data.decode())