# 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.
# --------------------------------------------------------------------------
from typing import TYPE_CHECKING
import warnings

from azure.core.exceptions import ClientAuthenticationError, HttpResponseError, ResourceExistsError, ResourceNotFoundError, map_error
from azure.core.paging import ItemPaged
from azure.core.pipeline import PipelineResponse
from azure.core.pipeline.transport import HttpRequest, HttpResponse
from azure.mgmt.core.exceptions import ARMErrorFormat

from .. import models as _models

if TYPE_CHECKING:
    # pylint: disable=unused-import,ungrouped-imports
    from typing import Any, Callable, Dict, Generic, Iterable, Optional, TypeVar

    T = TypeVar('T')
    ClsType = Optional[Callable[[PipelineResponse[HttpRequest, HttpResponse], T, Dict[str, Any]], Any]]

class DisasterRecoveryConfigsOperations(object):
    """DisasterRecoveryConfigsOperations 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.eventhub.v2018_01_01_preview.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

    def list_authorization_rules(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> Iterable["_models.AuthorizationRuleListResult"]
        """Gets a list of authorization rules for a Namespace.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either AuthorizationRuleListResult or the result of cls(response)
        :rtype: ~azure.core.paging.ItemPaged[~azure.mgmt.eventhub.v2018_01_01_preview.models.AuthorizationRuleListResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.AuthorizationRuleListResult"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        def prepare_request(next_link=None):
            # Construct headers
            header_parameters = {}  # type: Dict[str, Any]
            header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')

            if not next_link:
                # Construct URL
                url = self.list_authorization_rules.metadata['url']  # type: ignore
                path_format_arguments = {
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
                    'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
                    'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
                    'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                }
                url = self._client.format_url(url, **path_format_arguments)
                # Construct parameters
                query_parameters = {}  # type: Dict[str, Any]
                query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')

                request = self._client.get(url, query_parameters, header_parameters)
            else:
                url = next_link
                query_parameters = {}  # type: Dict[str, Any]
                request = self._client.get(url, query_parameters, header_parameters)
            return request

        def extract_data(pipeline_response):
            deserialized = self._deserialize('AuthorizationRuleListResult', pipeline_response)
            list_of_elem = deserialized.value
            if cls:
                list_of_elem = cls(list_of_elem)
            return deserialized.next_link or None, iter(list_of_elem)

        def get_next(next_link=None):
            request = prepare_request(next_link)

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

            if response.status_code not in [200]:
                error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
                map_error(status_code=response.status_code, response=response, error_map=error_map)
                raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

            return pipeline_response

        return ItemPaged(
            get_next, extract_data
        )
    list_authorization_rules.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules'}  # type: ignore

    def get_authorization_rule(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        authorization_rule_name,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> "_models.AuthorizationRule"
        """Gets an AuthorizationRule for a Namespace by rule name.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :param authorization_rule_name: The authorization rule name.
        :type authorization_rule_name: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: AuthorizationRule, or the result of cls(response)
        :rtype: ~azure.mgmt.eventhub.v2018_01_01_preview.models.AuthorizationRule
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.AuthorizationRule"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.get_authorization_rule.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'authorizationRuleName': self._serialize.url("authorization_rule_name", authorization_rule_name, 'str', min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.get(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

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

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

        return deserialized
    get_authorization_rule.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules/{authorizationRuleName}'}  # type: ignore

    def list_keys(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        authorization_rule_name,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> "_models.AccessKeys"
        """Gets the primary and secondary connection strings for the Namespace.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :param authorization_rule_name: The authorization rule name.
        :type authorization_rule_name: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: AccessKeys, or the result of cls(response)
        :rtype: ~azure.mgmt.eventhub.v2018_01_01_preview.models.AccessKeys
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.AccessKeys"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.list_keys.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'authorizationRuleName': self._serialize.url("authorization_rule_name", authorization_rule_name, 'str', min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.post(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

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

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

        return deserialized
    list_keys.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/authorizationRules/{authorizationRuleName}/listKeys'}  # type: ignore

    def check_name_availability(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        parameters,  # type: "_models.CheckNameAvailabilityParameter"
        **kwargs  # type: Any
    ):
        # type: (...) -> "_models.CheckNameAvailabilityResult"
        """Check the give Namespace name availability.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param parameters: Parameters to check availability of the given Alias name.
        :type parameters: ~azure.mgmt.eventhub.v2018_01_01_preview.models.CheckNameAvailabilityParameter
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: CheckNameAvailabilityResult, or the result of cls(response)
        :rtype: ~azure.mgmt.eventhub.v2018_01_01_preview.models.CheckNameAvailabilityResult
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.CheckNameAvailabilityResult"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        content_type = kwargs.pop("content_type", "application/json")
        accept = "application/json"

        # Construct URL
        url = self.check_name_availability.metadata['url']  # type: ignore
        path_format_arguments = {
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

        # Construct headers
        header_parameters = {}  # type: Dict[str, Any]
        header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
        header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')

        body_content_kwargs = {}  # type: Dict[str, Any]
        body_content = self._serialize.body(parameters, 'CheckNameAvailabilityParameter')
        body_content_kwargs['content'] = body_content
        request = self._client.post(url, query_parameters, header_parameters, **body_content_kwargs)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

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

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

        return deserialized
    check_name_availability.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/checkNameAvailability'}  # type: ignore

    def list(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> Iterable["_models.ArmDisasterRecoveryListResult"]
        """Gets all Alias(Disaster Recovery configurations).

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: An iterator like instance of either ArmDisasterRecoveryListResult or the result of cls(response)
        :rtype: ~azure.core.paging.ItemPaged[~azure.mgmt.eventhub.v2018_01_01_preview.models.ArmDisasterRecoveryListResult]
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.ArmDisasterRecoveryListResult"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        def prepare_request(next_link=None):
            # Construct headers
            header_parameters = {}  # type: Dict[str, Any]
            header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')

            if not next_link:
                # Construct URL
                url = self.list.metadata['url']  # type: ignore
                path_format_arguments = {
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
                    'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
                    'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
                }
                url = self._client.format_url(url, **path_format_arguments)
                # Construct parameters
                query_parameters = {}  # type: Dict[str, Any]
                query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')

                request = self._client.get(url, query_parameters, header_parameters)
            else:
                url = next_link
                query_parameters = {}  # type: Dict[str, Any]
                request = self._client.get(url, query_parameters, header_parameters)
            return request

        def extract_data(pipeline_response):
            deserialized = self._deserialize('ArmDisasterRecoveryListResult', pipeline_response)
            list_of_elem = deserialized.value
            if cls:
                list_of_elem = cls(list_of_elem)
            return deserialized.next_link or None, iter(list_of_elem)

        def get_next(next_link=None):
            request = prepare_request(next_link)

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

            if response.status_code not in [200]:
                error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
                map_error(status_code=response.status_code, response=response, error_map=error_map)
                raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

            return pipeline_response

        return ItemPaged(
            get_next, extract_data
        )
    list.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs'}  # type: ignore

    def create_or_update(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        parameters,  # type: "_models.ArmDisasterRecovery"
        **kwargs  # type: Any
    ):
        # type: (...) -> Optional["_models.ArmDisasterRecovery"]
        """Creates or updates a new Alias(Disaster Recovery configuration).

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :param parameters: Parameters required to create an Alias(Disaster Recovery configuration).
        :type parameters: ~azure.mgmt.eventhub.v2018_01_01_preview.models.ArmDisasterRecovery
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: ArmDisasterRecovery, or the result of cls(response)
        :rtype: ~azure.mgmt.eventhub.v2018_01_01_preview.models.ArmDisasterRecovery or None
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType[Optional["_models.ArmDisasterRecovery"]]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        content_type = kwargs.pop("content_type", "application/json")
        accept = "application/json"

        # Construct URL
        url = self.create_or_update.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

        # Construct headers
        header_parameters = {}  # type: Dict[str, Any]
        header_parameters['Content-Type'] = self._serialize.header("content_type", content_type, 'str')
        header_parameters['Accept'] = self._serialize.header("accept", accept, 'str')

        body_content_kwargs = {}  # type: Dict[str, Any]
        body_content = self._serialize.body(parameters, 'ArmDisasterRecovery')
        body_content_kwargs['content'] = body_content
        request = self._client.put(url, query_parameters, header_parameters, **body_content_kwargs)
        pipeline_response = self._client._pipeline.run(request, stream=False, **kwargs)
        response = pipeline_response.http_response

        if response.status_code not in [200, 201]:
            map_error(status_code=response.status_code, response=response, error_map=error_map)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('ArmDisasterRecovery', pipeline_response)

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

        return deserialized
    create_or_update.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore

    def delete(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> None
        """Deletes an Alias(Disaster Recovery configuration).

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: None, or the result of cls(response)
        :rtype: None
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType[None]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.delete.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.delete(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

        if cls:
            return cls(pipeline_response, None, {})

    delete.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore

    def get(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> "_models.ArmDisasterRecovery"
        """Retrieves Alias(Disaster Recovery configuration) for primary or secondary namespace.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: ArmDisasterRecovery, or the result of cls(response)
        :rtype: ~azure.mgmt.eventhub.v2018_01_01_preview.models.ArmDisasterRecovery
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType["_models.ArmDisasterRecovery"]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.get.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.get(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

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

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

        return deserialized
    get.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}'}  # type: ignore

    def break_pairing(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> None
        """This operation disables the Disaster Recovery and stops replicating changes from primary to
        secondary namespaces.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: None, or the result of cls(response)
        :rtype: None
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType[None]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.break_pairing.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.post(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

        if cls:
            return cls(pipeline_response, None, {})

    break_pairing.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/breakPairing'}  # type: ignore

    def fail_over(
        self,
        resource_group_name,  # type: str
        namespace_name,  # type: str
        alias,  # type: str
        **kwargs  # type: Any
    ):
        # type: (...) -> None
        """Invokes GEO DR failover and reconfigure the alias to point to the secondary namespace.

        :param resource_group_name: Name of the resource group within the azure subscription.
        :type resource_group_name: str
        :param namespace_name: The Namespace name.
        :type namespace_name: str
        :param alias: The Disaster Recovery configuration name.
        :type alias: str
        :keyword callable cls: A custom type or function that will be passed the direct response
        :return: None, or the result of cls(response)
        :rtype: None
        :raises: ~azure.core.exceptions.HttpResponseError
        """
        cls = kwargs.pop('cls', None)  # type: ClsType[None]
        error_map = {
            401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError
        }
        error_map.update(kwargs.pop('error_map', {}))
        api_version = "2018-01-01-preview"
        accept = "application/json"

        # Construct URL
        url = self.fail_over.metadata['url']  # type: ignore
        path_format_arguments = {
            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', max_length=90, min_length=1),
            'namespaceName': self._serialize.url("namespace_name", namespace_name, 'str', max_length=50, min_length=6),
            'alias': self._serialize.url("alias", alias, 'str', max_length=50, min_length=1),
            'subscriptionId': self._serialize.url("self._config.subscription_id", self._config.subscription_id, 'str'),
        }
        url = self._client.format_url(url, **path_format_arguments)

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

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

        request = self._client.post(url, query_parameters, header_parameters)
        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)
            error = self._deserialize.failsafe_deserialize(_models.ErrorResponse, response)
            raise HttpResponseError(response=response, model=error, error_format=ARMErrorFormat)

        if cls:
            return cls(pipeline_response, None, {})

    fail_over.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/disasterRecoveryConfigs/{alias}/failover'}  # type: ignore
