# --------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# Code generated by Microsoft (R) Python Code Generator.
# Changes may cause incorrect behavior and will be lost if the code is regenerated.
# --------------------------------------------------------------------------

from abc import ABC
from typing import Optional, TYPE_CHECKING

from azure.core import MatchConditions

from ._configuration import AzureAppConfigurationClientConfiguration

if TYPE_CHECKING:
    from azure.core import PipelineClient

    from ._serialization import Deserializer, Serializer


class AzureAppConfigurationClientMixinABC(ABC):
    """DO NOT use this class. It is for internal typing use only."""

    _client: "PipelineClient"
    _config: AzureAppConfigurationClientConfiguration
    _serialize: "Serializer"
    _deserialize: "Deserializer"


def quote_etag(etag: Optional[str]) -> Optional[str]:
    if not etag or etag == "*":
        return etag
    if etag.startswith("W/"):
        return etag
    if etag.startswith('"') and etag.endswith('"'):
        return etag
    if etag.startswith("'") and etag.endswith("'"):
        return etag
    return '"' + etag + '"'


def prep_if_match(etag: Optional[str], match_condition: Optional[MatchConditions]) -> Optional[str]:
    if match_condition == MatchConditions.IfNotModified:
        if_match = quote_etag(etag) if etag else None
        return if_match
    if match_condition == MatchConditions.IfPresent:
        return "*"
    return None


def prep_if_none_match(etag: Optional[str], match_condition: Optional[MatchConditions]) -> Optional[str]:
    if match_condition == MatchConditions.IfModified:
        if_none_match = quote_etag(etag) if etag else None
        return if_none_match
    if match_condition == MatchConditions.IfMissing:
        return "*"
    return None
