import logging
from datetime import datetime
from typing import Any, Dict, Tuple

from owslib.logger.constants import RESERVED_FIELDS


def get_extra_fields(
    record: logging.LogRecord, reserved: Tuple[str, ...] = RESERVED_FIELDS
) -> Dict[str, Any]:
    easy_types = (str, bool, dict, float, int, list, type(None))
    fields = {}
    for key, value in record.__dict__.items():
        if key not in reserved:
            if isinstance(value, easy_types):
                fields[key] = value
            else:
                fields[key] = repr(value)
    return fields


def format_timestamp(time: float) -> str:
    tstamp = datetime.utcfromtimestamp(time)
    return (
        tstamp.strftime("%Y-%m-%dT%H:%M:%S")
        + ".%03d" % (tstamp.microsecond / 1000)
        + "Z"
    )


def get_status_code_log_level(status_code: int) -> int:
    level = logging.INFO
    if 299 < status_code < 499:
        level = logging.WARNING
    elif 499 < status_code:
        level = logging.ERROR
    return level