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

# Copyright (C) 2020. Huawei Technologies Co., Ltd. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Some tools."""
import re
import logging


def check_password_rule(password):
    """Check password rule."""
    digit_regex = re.compile(r'\d')
    upper_regex = re.compile(r'[A-Z]')
    lower_regex = re.compile(r'[a-z]')

    if len(password) < 8:
        logging.warning("The length must >= 8")
        return False

    if len(digit_regex.findall(password)) == 0:
        logging.warning("Must contains digit letters")
        return False

    if len(upper_regex.findall(password)) == 0:
        logging.warning("Must contains capital letters")
        return False

    if len(lower_regex.findall(password)) == 0:
        logging.warning("Must contains lowercase letters")
        return False

    return True
