#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: MIT-0
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this
* software and associated documentation files (the "Software"), to deal in the Software
* without restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""

import datetime
import json
from typing import Any

from aws_lambda_powertools.shared.json_encoder import Encoder

__all__ = ["json_dumps", "get_prefix", "now"]


class DateTimeEncoder(Encoder):
    def default(self, obj):
        if isinstance(obj, (datetime.datetime, datetime.date, datetime.time)):
            return obj.isoformat()
        elif isinstance(obj, datetime.timedelta):
            return (datetime.datetime.min + obj).time().isoformat()
        return super().default(obj)


def json_dumps(obj: Any) -> str:
    return json.dumps(obj, indent=None, sort_keys=True, separators=(",", ":"), cls=DateTimeEncoder)


def get_prefix(instance_id: str) -> str:
    # now = datetime.datetime.now(tz=datetime.timezone.utc).strftime(
    #    "year=%Y/month=%m/day=%d/hour=%H"
    # )
    # return f"{now}/{instance_id}"
    return instance_id


def now() -> str:
    """
    Return a ISO8601 timestamp
    """
    return (
        datetime.datetime.now(tz=datetime.timezone.utc)
        .replace(microsecond=0)
        .isoformat()
        .replace("+00:00", "Z")
    )