// 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) Go Code Generator. DO NOT EDIT.

package armeventgrid

import (
	"context"
	"errors"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/policy"
	"github.com/Azure/azure-sdk-for-go/sdk/azcore/runtime"
	"net/http"
	"net/url"
	"strconv"
	"strings"
)

// NamespaceTopicsClient contains the methods for the NamespaceTopics group.
// Don't use this type directly, use NewNamespaceTopicsClient() instead.
//
// Generated from API version 2025-07-15-preview
type NamespaceTopicsClient struct {
	internal       *arm.Client
	subscriptionID string
}

// NewNamespaceTopicsClient creates a new instance of NamespaceTopicsClient with the specified values.
//   - subscriptionID - The ID of the target subscription. The value must be an UUID.
//   - credential - used to authorize requests. Usually a credential from azidentity.
//   - options - Contains optional client configuration. Pass nil to accept the default values.
func NewNamespaceTopicsClient(subscriptionID string, credential azcore.TokenCredential, options *arm.ClientOptions) (*NamespaceTopicsClient, error) {
	cl, err := arm.NewClient(moduleName, moduleVersion, credential, options)
	if err != nil {
		return nil, err
	}
	client := &NamespaceTopicsClient{
		subscriptionID: subscriptionID,
		internal:       cl,
	}
	return client, nil
}

// BeginCreateOrUpdate - Create a namespace topic.
//
// Asynchronously creates a new namespace topic with the specified parameters.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - namespaceTopicInfo - Namespace topic information.
//   - options - NamespaceTopicsClientBeginCreateOrUpdateOptions contains the optional parameters for the NamespaceTopicsClient.BeginCreateOrUpdate
//     method.
func (client *NamespaceTopicsClient) BeginCreateOrUpdate(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicInfo NamespaceTopic, options *NamespaceTopicsClientBeginCreateOrUpdateOptions) (*runtime.Poller[NamespaceTopicsClientCreateOrUpdateResponse], error) {
	if options == nil || options.ResumeToken == "" {
		resp, err := client.createOrUpdate(ctx, resourceGroupName, namespaceName, topicName, namespaceTopicInfo, options)
		if err != nil {
			return nil, err
		}
		poller, err := runtime.NewPoller(resp, client.internal.Pipeline(), &runtime.NewPollerOptions[NamespaceTopicsClientCreateOrUpdateResponse]{
			Tracer: client.internal.Tracer(),
		})
		return poller, err
	} else {
		return runtime.NewPollerFromResumeToken(options.ResumeToken, client.internal.Pipeline(), &runtime.NewPollerFromResumeTokenOptions[NamespaceTopicsClientCreateOrUpdateResponse]{
			Tracer: client.internal.Tracer(),
		})
	}
}

// CreateOrUpdate - Create a namespace topic.
//
// Asynchronously creates a new namespace topic with the specified parameters.
// If the operation fails it returns an *azcore.ResponseError type.
func (client *NamespaceTopicsClient) createOrUpdate(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicInfo NamespaceTopic, options *NamespaceTopicsClientBeginCreateOrUpdateOptions) (*http.Response, error) {
	var err error
	const operationName = "NamespaceTopicsClient.BeginCreateOrUpdate"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.createOrUpdateCreateRequest(ctx, resourceGroupName, namespaceName, topicName, namespaceTopicInfo, options)
	if err != nil {
		return nil, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return nil, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK, http.StatusCreated) {
		err = runtime.NewResponseError(httpResp)
		return nil, err
	}
	return httpResp, nil
}

// createOrUpdateCreateRequest creates the CreateOrUpdate request.
func (client *NamespaceTopicsClient) createOrUpdateCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicInfo NamespaceTopic, _ *NamespaceTopicsClientBeginCreateOrUpdateOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodPut, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	req.Raw().Header["Content-Type"] = []string{"application/json"}
	if err := runtime.MarshalAsJSON(req, namespaceTopicInfo); err != nil {
		return nil, err
	}
	return req, nil
}

// BeginDelete - Delete a namespace topic.
//
// Delete existing namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - options - NamespaceTopicsClientBeginDeleteOptions contains the optional parameters for the NamespaceTopicsClient.BeginDelete
//     method.
func (client *NamespaceTopicsClient) BeginDelete(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, options *NamespaceTopicsClientBeginDeleteOptions) (*runtime.Poller[NamespaceTopicsClientDeleteResponse], error) {
	if options == nil || options.ResumeToken == "" {
		resp, err := client.deleteOperation(ctx, resourceGroupName, namespaceName, topicName, options)
		if err != nil {
			return nil, err
		}
		poller, err := runtime.NewPoller(resp, client.internal.Pipeline(), &runtime.NewPollerOptions[NamespaceTopicsClientDeleteResponse]{
			Tracer: client.internal.Tracer(),
		})
		return poller, err
	} else {
		return runtime.NewPollerFromResumeToken(options.ResumeToken, client.internal.Pipeline(), &runtime.NewPollerFromResumeTokenOptions[NamespaceTopicsClientDeleteResponse]{
			Tracer: client.internal.Tracer(),
		})
	}
}

// Delete - Delete a namespace topic.
//
// Delete existing namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
func (client *NamespaceTopicsClient) deleteOperation(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, options *NamespaceTopicsClientBeginDeleteOptions) (*http.Response, error) {
	var err error
	const operationName = "NamespaceTopicsClient.BeginDelete"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.deleteCreateRequest(ctx, resourceGroupName, namespaceName, topicName, options)
	if err != nil {
		return nil, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return nil, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK, http.StatusAccepted, http.StatusNoContent) {
		err = runtime.NewResponseError(httpResp)
		return nil, err
	}
	return httpResp, nil
}

// deleteCreateRequest creates the Delete request.
func (client *NamespaceTopicsClient) deleteCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, _ *NamespaceTopicsClientBeginDeleteOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodDelete, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	return req, nil
}

// Get - Get a namespace topic.
//
// Get properties of a namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - options - NamespaceTopicsClientGetOptions contains the optional parameters for the NamespaceTopicsClient.Get method.
func (client *NamespaceTopicsClient) Get(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, options *NamespaceTopicsClientGetOptions) (NamespaceTopicsClientGetResponse, error) {
	var err error
	const operationName = "NamespaceTopicsClient.Get"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.getCreateRequest(ctx, resourceGroupName, namespaceName, topicName, options)
	if err != nil {
		return NamespaceTopicsClientGetResponse{}, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return NamespaceTopicsClientGetResponse{}, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK) {
		err = runtime.NewResponseError(httpResp)
		return NamespaceTopicsClientGetResponse{}, err
	}
	resp, err := client.getHandleResponse(httpResp)
	return resp, err
}

// getCreateRequest creates the Get request.
func (client *NamespaceTopicsClient) getCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, _ *NamespaceTopicsClientGetOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodGet, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	return req, nil
}

// getHandleResponse handles the Get response.
func (client *NamespaceTopicsClient) getHandleResponse(resp *http.Response) (NamespaceTopicsClientGetResponse, error) {
	result := NamespaceTopicsClientGetResponse{}
	if err := runtime.UnmarshalAsJSON(resp, &result.NamespaceTopic); err != nil {
		return NamespaceTopicsClientGetResponse{}, err
	}
	return result, nil
}

// NewListByNamespacePager - List namespace topics under a namespace.
//
// List all the namespace topics under a namespace.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - options - NamespaceTopicsClientListByNamespaceOptions contains the optional parameters for the NamespaceTopicsClient.NewListByNamespacePager
//     method.
func (client *NamespaceTopicsClient) NewListByNamespacePager(resourceGroupName string, namespaceName string, options *NamespaceTopicsClientListByNamespaceOptions) *runtime.Pager[NamespaceTopicsClientListByNamespaceResponse] {
	return runtime.NewPager(runtime.PagingHandler[NamespaceTopicsClientListByNamespaceResponse]{
		More: func(page NamespaceTopicsClientListByNamespaceResponse) bool {
			return page.NextLink != nil && len(*page.NextLink) > 0
		},
		Fetcher: func(ctx context.Context, page *NamespaceTopicsClientListByNamespaceResponse) (NamespaceTopicsClientListByNamespaceResponse, error) {
			ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, "NamespaceTopicsClient.NewListByNamespacePager")
			nextLink := ""
			if page != nil {
				nextLink = *page.NextLink
			}
			resp, err := runtime.FetcherForNextLink(ctx, client.internal.Pipeline(), nextLink, func(ctx context.Context) (*policy.Request, error) {
				return client.listByNamespaceCreateRequest(ctx, resourceGroupName, namespaceName, options)
			}, nil)
			if err != nil {
				return NamespaceTopicsClientListByNamespaceResponse{}, err
			}
			return client.listByNamespaceHandleResponse(resp)
		},
		Tracer: client.internal.Tracer(),
	})
}

// listByNamespaceCreateRequest creates the ListByNamespace request.
func (client *NamespaceTopicsClient) listByNamespaceCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, options *NamespaceTopicsClientListByNamespaceOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	req, err := runtime.NewRequest(ctx, http.MethodGet, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	if options != nil && options.Filter != nil {
		reqQP.Set("$filter", *options.Filter)
	}
	if options != nil && options.Top != nil {
		reqQP.Set("$top", strconv.FormatInt(int64(*options.Top), 10))
	}
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	return req, nil
}

// listByNamespaceHandleResponse handles the ListByNamespace response.
func (client *NamespaceTopicsClient) listByNamespaceHandleResponse(resp *http.Response) (NamespaceTopicsClientListByNamespaceResponse, error) {
	result := NamespaceTopicsClientListByNamespaceResponse{}
	if err := runtime.UnmarshalAsJSON(resp, &result.NamespaceTopicsListResult); err != nil {
		return NamespaceTopicsClientListByNamespaceResponse{}, err
	}
	return result, nil
}

// ListSharedAccessKeys - List keys for a namespace topic.
//
// List the two keys used to publish to a namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - options - NamespaceTopicsClientListSharedAccessKeysOptions contains the optional parameters for the NamespaceTopicsClient.ListSharedAccessKeys
//     method.
func (client *NamespaceTopicsClient) ListSharedAccessKeys(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, options *NamespaceTopicsClientListSharedAccessKeysOptions) (NamespaceTopicsClientListSharedAccessKeysResponse, error) {
	var err error
	const operationName = "NamespaceTopicsClient.ListSharedAccessKeys"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.listSharedAccessKeysCreateRequest(ctx, resourceGroupName, namespaceName, topicName, options)
	if err != nil {
		return NamespaceTopicsClientListSharedAccessKeysResponse{}, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return NamespaceTopicsClientListSharedAccessKeysResponse{}, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK) {
		err = runtime.NewResponseError(httpResp)
		return NamespaceTopicsClientListSharedAccessKeysResponse{}, err
	}
	resp, err := client.listSharedAccessKeysHandleResponse(httpResp)
	return resp, err
}

// listSharedAccessKeysCreateRequest creates the ListSharedAccessKeys request.
func (client *NamespaceTopicsClient) listSharedAccessKeysCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, _ *NamespaceTopicsClientListSharedAccessKeysOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}/listKeys"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodPost, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	return req, nil
}

// listSharedAccessKeysHandleResponse handles the ListSharedAccessKeys response.
func (client *NamespaceTopicsClient) listSharedAccessKeysHandleResponse(resp *http.Response) (NamespaceTopicsClientListSharedAccessKeysResponse, error) {
	result := NamespaceTopicsClientListSharedAccessKeysResponse{}
	if err := runtime.UnmarshalAsJSON(resp, &result.TopicSharedAccessKeys); err != nil {
		return NamespaceTopicsClientListSharedAccessKeysResponse{}, err
	}
	return result, nil
}

// BeginRegenerateKey - Regenerate key for a namespace topic.
//
// Regenerate a shared access key for a namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - regenerateKeyRequest - Request body to regenerate key.
//   - options - NamespaceTopicsClientBeginRegenerateKeyOptions contains the optional parameters for the NamespaceTopicsClient.BeginRegenerateKey
//     method.
func (client *NamespaceTopicsClient) BeginRegenerateKey(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, regenerateKeyRequest TopicRegenerateKeyRequest, options *NamespaceTopicsClientBeginRegenerateKeyOptions) (*runtime.Poller[NamespaceTopicsClientRegenerateKeyResponse], error) {
	if options == nil || options.ResumeToken == "" {
		resp, err := client.regenerateKey(ctx, resourceGroupName, namespaceName, topicName, regenerateKeyRequest, options)
		if err != nil {
			return nil, err
		}
		poller, err := runtime.NewPoller(resp, client.internal.Pipeline(), &runtime.NewPollerOptions[NamespaceTopicsClientRegenerateKeyResponse]{
			Tracer: client.internal.Tracer(),
		})
		return poller, err
	} else {
		return runtime.NewPollerFromResumeToken(options.ResumeToken, client.internal.Pipeline(), &runtime.NewPollerFromResumeTokenOptions[NamespaceTopicsClientRegenerateKeyResponse]{
			Tracer: client.internal.Tracer(),
		})
	}
}

// RegenerateKey - Regenerate key for a namespace topic.
//
// Regenerate a shared access key for a namespace topic.
// If the operation fails it returns an *azcore.ResponseError type.
func (client *NamespaceTopicsClient) regenerateKey(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, regenerateKeyRequest TopicRegenerateKeyRequest, options *NamespaceTopicsClientBeginRegenerateKeyOptions) (*http.Response, error) {
	var err error
	const operationName = "NamespaceTopicsClient.BeginRegenerateKey"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.regenerateKeyCreateRequest(ctx, resourceGroupName, namespaceName, topicName, regenerateKeyRequest, options)
	if err != nil {
		return nil, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return nil, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK, http.StatusAccepted) {
		err = runtime.NewResponseError(httpResp)
		return nil, err
	}
	return httpResp, nil
}

// regenerateKeyCreateRequest creates the RegenerateKey request.
func (client *NamespaceTopicsClient) regenerateKeyCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, regenerateKeyRequest TopicRegenerateKeyRequest, _ *NamespaceTopicsClientBeginRegenerateKeyOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}/regenerateKey"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodPost, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	req.Raw().Header["Content-Type"] = []string{"application/json"}
	if err := runtime.MarshalAsJSON(req, regenerateKeyRequest); err != nil {
		return nil, err
	}
	return req, nil
}

// BeginUpdate - Update a namespace topic.
//
// Asynchronously updates a namespace topic with the specified parameters.
// If the operation fails it returns an *azcore.ResponseError type.
//   - resourceGroupName - The name of the resource group. The name is case insensitive.
//   - namespaceName - Name of the namespace.
//   - topicName - Name of the namespace topic.
//   - namespaceTopicUpdateParameters - Namespace topic update information.
//   - options - NamespaceTopicsClientBeginUpdateOptions contains the optional parameters for the NamespaceTopicsClient.BeginUpdate
//     method.
func (client *NamespaceTopicsClient) BeginUpdate(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicUpdateParameters NamespaceTopicUpdateParameters, options *NamespaceTopicsClientBeginUpdateOptions) (*runtime.Poller[NamespaceTopicsClientUpdateResponse], error) {
	if options == nil || options.ResumeToken == "" {
		resp, err := client.update(ctx, resourceGroupName, namespaceName, topicName, namespaceTopicUpdateParameters, options)
		if err != nil {
			return nil, err
		}
		poller, err := runtime.NewPoller(resp, client.internal.Pipeline(), &runtime.NewPollerOptions[NamespaceTopicsClientUpdateResponse]{
			FinalStateVia: runtime.FinalStateViaAzureAsyncOp,
			Tracer:        client.internal.Tracer(),
		})
		return poller, err
	} else {
		return runtime.NewPollerFromResumeToken(options.ResumeToken, client.internal.Pipeline(), &runtime.NewPollerFromResumeTokenOptions[NamespaceTopicsClientUpdateResponse]{
			Tracer: client.internal.Tracer(),
		})
	}
}

// Update - Update a namespace topic.
//
// Asynchronously updates a namespace topic with the specified parameters.
// If the operation fails it returns an *azcore.ResponseError type.
func (client *NamespaceTopicsClient) update(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicUpdateParameters NamespaceTopicUpdateParameters, options *NamespaceTopicsClientBeginUpdateOptions) (*http.Response, error) {
	var err error
	const operationName = "NamespaceTopicsClient.BeginUpdate"
	ctx = context.WithValue(ctx, runtime.CtxAPINameKey{}, operationName)
	ctx, endSpan := runtime.StartSpan(ctx, operationName, client.internal.Tracer(), nil)
	defer func() { endSpan(err) }()
	req, err := client.updateCreateRequest(ctx, resourceGroupName, namespaceName, topicName, namespaceTopicUpdateParameters, options)
	if err != nil {
		return nil, err
	}
	httpResp, err := client.internal.Pipeline().Do(req)
	if err != nil {
		return nil, err
	}
	if !runtime.HasStatusCode(httpResp, http.StatusOK, http.StatusAccepted) {
		err = runtime.NewResponseError(httpResp)
		return nil, err
	}
	return httpResp, nil
}

// updateCreateRequest creates the Update request.
func (client *NamespaceTopicsClient) updateCreateRequest(ctx context.Context, resourceGroupName string, namespaceName string, topicName string, namespaceTopicUpdateParameters NamespaceTopicUpdateParameters, _ *NamespaceTopicsClientBeginUpdateOptions) (*policy.Request, error) {
	urlPath := "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/namespaces/{namespaceName}/topics/{topicName}"
	if client.subscriptionID == "" {
		return nil, errors.New("parameter client.subscriptionID cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{subscriptionId}", url.PathEscape(client.subscriptionID))
	if resourceGroupName == "" {
		return nil, errors.New("parameter resourceGroupName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{resourceGroupName}", url.PathEscape(resourceGroupName))
	if namespaceName == "" {
		return nil, errors.New("parameter namespaceName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{namespaceName}", url.PathEscape(namespaceName))
	if topicName == "" {
		return nil, errors.New("parameter topicName cannot be empty")
	}
	urlPath = strings.ReplaceAll(urlPath, "{topicName}", url.PathEscape(topicName))
	req, err := runtime.NewRequest(ctx, http.MethodPatch, runtime.JoinPaths(client.internal.Endpoint(), urlPath))
	if err != nil {
		return nil, err
	}
	reqQP := req.Raw().URL.Query()
	reqQP.Set("api-version", version20250715Preview)
	req.Raw().URL.RawQuery = strings.ReplaceAll(reqQP.Encode(), "+", "%20")
	req.Raw().Header["Accept"] = []string{"application/json"}
	req.Raw().Header["Content-Type"] = []string{"application/json"}
	if err := runtime.MarshalAsJSON(req, namespaceTopicUpdateParameters); err != nil {
		return nil, err
	}
	return req, nil
}
