# coding=utf-8
# --------------------------------------------------------------------------
# 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) AutoRest Code Generator.
# Changes may cause incorrect behavior and will be lost if the code is regenerated.
# --------------------------------------------------------------------------
import functools
from typing import TYPE_CHECKING
import warnings

from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
from azure.core.pipeline import PipelineResponse
from azure.core.pipeline.transport import HttpResponse
from azure.core.rest import HttpRequest
from azure.core.tracing.decorator import distributed_trace
from azure.mgmt.core.exceptions import ARMErrorFormat
from msrest import Serializer

from .. import models as _models
from .._vendor import _convert_request, _format_url_section

if TYPE_CHECKING:
    # pylint: disable=unused-import,ungrouped-imports
    from typing import Any, Callable, Dict, Generic, Optional, TypeVar
    T = TypeVar('T')
    ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]

_SERIALIZER = Serializer()
_SERIALIZER.client_side_validation = False
# fmt: off

def build_get_request(
    scope,  # type: str
    **kwargs  # type: Any
):
    # type: (...) -> HttpRequest
    api_version = "2021-12-01"
    accept = "application/json"
    # Construct URL
    url = kwargs.pop("template_url", '/{scope}/providers/Microsoft.EventGrid/extensionTopics/default')
    path_format_arguments = {
        "scope": _SERIALIZER.url("scope", scope, 'str'),
    }

    url = _format_url_section(url, **path_format_arguments)

    # Construct parameters
    query_parameters = kwargs.pop("params", {})  # type: Dict[str, Any]
    query_parameters['api-version'] = _SERIALIZER.query("api_version", api_version, 'str')

    # Construct headers
    header_parameters = kwargs.pop("headers", {})  # type: Dict[str, Any]
    header_parameters['Accept'] = _SERIALIZER.header("accept", accept, 'str')

    return HttpRequest(
        method="GET",
        url=url,
        params=query_parameters,
        headers=header_parameters,
        **kwargs
    )

# fmt: on
class ExtensionTopicsOperations(object):
    """ExtensionTopicsOperations operations.

    You should not instantiate this class directly. Instead, you should create a Client instance that
    instantiates it for you and attaches it as an attribute.

    :ivar models: Alias to model classes used in this operation group.
    :type models: ~azure.mgmt.eventgrid.models
    :param client: Client for service requests.
    :param config: Configuration of service client.
    :param serializer: An object model serializer.
    :param deserializer: An object model deserializer.
    """

    models = _models

    def __init__(self, client, config, serializer, deserializer):
        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self._config = config

    @distributed_trace
    def get(
        self,
        scope,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> "_models.ExtensionTopic"
        """Get properties of an extension topic.

        Get the properties of an extension topic.

        :param scope: The identifier of the resource to which extension topic is queried. The scope can
         be a subscription, or a resource group, or a top level resource belonging to a resource
         provider namespace. For example, use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}' for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for Azure resource.
        :type scope: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: ExtensionTopic, or the result of cls(response)
        :rtype: ~azure.mgmt.eventgrid.models.ExtensionTopic
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.ExtensionTopic"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))

        
        request = build_get_request(
            scope=scope,
            template_url=self.get.metadata['url'],
        )
        request = _convert_request(request)
        request.url = self._client.format_url(request.url)

        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            raise HttpResponseError(response=response, error_format=ARMErrorFormat)

        deserialized = self._deserialize('ExtensionTopic', pipeline_response)

        if cls:
            return cls(pipeline_response, deserialized, {})

        return deserialized

    get.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/extensionTopics/default'}  # type: ignore

