# Copyright 2019 Amazon.com, Inc. or its affiliates.
# 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.

import time
from collections.abc import Awaitable
from datetime import datetime
from typing import TypeVar


T = TypeVar("T")


def now() -> int: return int(round(time.time() * 1000))


def convert_to_milliseconds(dt: datetime) -> int:
    if dt == datetime.min:
        return 0

    return int(round(dt.timestamp() * 1000))


async def _await(awaitable: Awaitable[T]) -> T:
    return await awaitable
