# Copyright 2019 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
"""
Description: This file is used for some common util.
"""
import os
import shutil
import time
from urllib.parse import urlencode

from mindinsight.datavisual.common.enums import DataManagerStatus


def get_url(url, params):
    """
    Concatenate the URL and params.

    Args:
        url (str): A link requested. For example, http://example.com.
        params (dict): A dict consists of params. For example, {'offset': 1, 'limit':'100}.

    Returns:
        str, like http://example.com?offset=1&limit=100

    """

    return url + '?' + urlencode(params)


def delete_files_or_dirs(path_list):
    """Delete files or dirs in path_list."""
    for path in path_list:
        if os.path.isdir(path):
            shutil.rmtree(path)
        else:
            os.remove(path)


def check_loading_done(data_manager, time_limit=15):
    """If loading data for more than `time_limit` seconds, exit."""
    start_time = time.time()
    while data_manager.status != DataManagerStatus.DONE.value:
        time_used = time.time() - start_time
        if time_used > time_limit:
            break
        time.sleep(0.1)
        continue