#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#

from enum import Enum


class ProfileStatus(Enum):
    NONE = 0
    PENDING = 1
    PROFILING = 2
    STOPPED = 3


class ProfileStatusReference:
    def __init__(self, status: ProfileStatus):
        self.status = status

    @staticmethod
    def create_with_none():
        return ProfileStatusReference(ProfileStatus.NONE)

    @staticmethod
    def create_with_pending():
        return ProfileStatusReference(ProfileStatus.PENDING)

    def get(self) -> ProfileStatus:
        return self.status

    def update_status(self, update: ProfileStatus):
        self.status = update

    def is_being_watched(self):
        return self.status is not ProfileStatus.NONE

    def is_profiling(self):
        return self.status is ProfileStatus.PROFILING
