package apimanagement

// 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 (
	"context"
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/azure"
	"github.com/Azure/go-autorest/autorest/validation"
	"github.com/Azure/go-autorest/tracing"
	"net/http"
)

// TagDescriptionClient is the apiManagement Client
type TagDescriptionClient struct {
	BaseClient
}

// NewTagDescriptionClient creates an instance of the TagDescriptionClient client.
func NewTagDescriptionClient(subscriptionID string) TagDescriptionClient {
	return NewTagDescriptionClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewTagDescriptionClientWithBaseURI creates an instance of the TagDescriptionClient client using a custom endpoint.
// Use this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
func NewTagDescriptionClientWithBaseURI(baseURI string, subscriptionID string) TagDescriptionClient {
	return TagDescriptionClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CreateOrUpdate create/Update tag description in scope of the Api.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API revision identifier. Must be unique in the current API Management service instance. Non-current
// revision has ;rev=n as a suffix where n is the revision number.
// tagID - tag identifier. Must be unique in the current API Management service instance.
// parameters - create parameters.
// ifMatch - eTag of the Entity. Not required when creating an entity, but required when updating an entity.
func (client TagDescriptionClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string, parameters TagDescriptionCreateParameters, ifMatch string) (result TagDescriptionContract, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `^[^*#&+:<>?]+$`, Chain: nil}}},
		{TargetValue: tagID,
			Constraints: []validation.Constraint{{Target: "tagID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "tagID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "tagID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.TagDescriptionBaseProperties", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.TagDescriptionBaseProperties.ExternalDocsURL", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "parameters.TagDescriptionBaseProperties.ExternalDocsURL", Name: validation.MaxLength, Rule: 2000, Chain: nil}}},
				}}}}}); err != nil {
		return result, validation.NewError("apimanagement.TagDescriptionClient", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, serviceName, apiid, tagID, parameters, ifMatch)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

	resp, err := client.CreateOrUpdateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "CreateOrUpdate", resp, "Failure sending request")
		return
	}

	result, err = client.CreateOrUpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "CreateOrUpdate", resp, "Failure responding to request")
		return
	}

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client TagDescriptionClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string, parameters TagDescriptionCreateParameters, ifMatch string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
		"tagId":             autorest.Encode("path", tagID),
	}

	const APIVersion = "2018-01-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/tagDescriptions/{tagId}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	if len(ifMatch) > 0 {
		preparer = autorest.DecoratePreparer(preparer,
			autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	}
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
// http.Response Body if it receives an error.
func (client TagDescriptionClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
// closes the http.Response Body.
func (client TagDescriptionClient) CreateOrUpdateResponder(resp *http.Response) (result TagDescriptionContract, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusCreated),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete delete tag description for the Api.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API revision identifier. Must be unique in the current API Management service instance. Non-current
// revision has ;rev=n as a suffix where n is the revision number.
// tagID - tag identifier. Must be unique in the current API Management service instance.
// ifMatch - eTag of the Entity. ETag should match the current entity state from the header response of the GET
// request or it should be * for unconditional update.
func (client TagDescriptionClient) Delete(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string, ifMatch string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.Delete")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `^[^*#&+:<>?]+$`, Chain: nil}}},
		{TargetValue: tagID,
			Constraints: []validation.Constraint{{Target: "tagID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "tagID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "tagID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.TagDescriptionClient", "Delete", err.Error())
	}

	req, err := client.DeletePreparer(ctx, resourceGroupName, serviceName, apiid, tagID, ifMatch)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Delete", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Delete", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Delete", resp, "Failure responding to request")
		return
	}

	return
}

// DeletePreparer prepares the Delete request.
func (client TagDescriptionClient) DeletePreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string, ifMatch string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
		"tagId":             autorest.Encode("path", tagID),
	}

	const APIVersion = "2018-01-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/tagDescriptions/{tagId}", pathParameters),
		autorest.WithQueryParameters(queryParameters),
		autorest.WithHeader("If-Match", autorest.String(ifMatch)))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client TagDescriptionClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// DeleteResponder handles the response to the Delete request. The method always
// closes the http.Response Body.
func (client TagDescriptionClient) DeleteResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNoContent),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Get get tag associated with the API.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API revision identifier. Must be unique in the current API Management service instance. Non-current
// revision has ;rev=n as a suffix where n is the revision number.
// tagID - tag identifier. Must be unique in the current API Management service instance.
func (client TagDescriptionClient) Get(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string) (result TagDescriptionContract, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `^[^*#&+:<>?]+$`, Chain: nil}}},
		{TargetValue: tagID,
			Constraints: []validation.Constraint{{Target: "tagID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "tagID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "tagID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.TagDescriptionClient", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, serviceName, apiid, tagID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Get", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Get", resp, "Failure sending request")
		return
	}

	result, err = client.GetResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "Get", resp, "Failure responding to request")
		return
	}

	return
}

// GetPreparer prepares the Get request.
func (client TagDescriptionClient) GetPreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
		"tagId":             autorest.Encode("path", tagID),
	}

	const APIVersion = "2018-01-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/tagDescriptions/{tagId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetSender sends the Get request. The method will close the
// http.Response Body if it receives an error.
func (client TagDescriptionClient) GetSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// GetResponder handles the response to the Get request. The method always
// closes the http.Response Body.
func (client TagDescriptionClient) GetResponder(resp *http.Response) (result TagDescriptionContract, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetEntityState gets the entity state version of the tag specified by its identifier.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API revision identifier. Must be unique in the current API Management service instance. Non-current
// revision has ;rev=n as a suffix where n is the revision number.
// tagID - tag identifier. Must be unique in the current API Management service instance.
func (client TagDescriptionClient) GetEntityState(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.GetEntityState")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `^[^*#&+:<>?]+$`, Chain: nil}}},
		{TargetValue: tagID,
			Constraints: []validation.Constraint{{Target: "tagID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "tagID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "tagID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.TagDescriptionClient", "GetEntityState", err.Error())
	}

	req, err := client.GetEntityStatePreparer(ctx, resourceGroupName, serviceName, apiid, tagID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "GetEntityState", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetEntityStateSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "GetEntityState", resp, "Failure sending request")
		return
	}

	result, err = client.GetEntityStateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "GetEntityState", resp, "Failure responding to request")
		return
	}

	return
}

// GetEntityStatePreparer prepares the GetEntityState request.
func (client TagDescriptionClient) GetEntityStatePreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, tagID string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
		"tagId":             autorest.Encode("path", tagID),
	}

	const APIVersion = "2018-01-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsHead(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/tagDescriptions/{tagId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetEntityStateSender sends the GetEntityState request. The method will close the
// http.Response Body if it receives an error.
func (client TagDescriptionClient) GetEntityStateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// GetEntityStateResponder handles the response to the GetEntityState request. The method always
// closes the http.Response Body.
func (client TagDescriptionClient) GetEntityStateResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByClosing())
	result.Response = resp
	return
}

// ListByAPI lists all Tags descriptions in scope of API. Model similar to swagger - tagDescription is defined on API
// level but tag may be assigned to the Operations
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API revision identifier. Must be unique in the current API Management service instance. Non-current
// revision has ;rev=n as a suffix where n is the revision number.
// filter - | Field       | Supported operators    | Supported functions                         |
// |-------------|------------------------|---------------------------------------------|
// | id          | ge, le, eq, ne, gt, lt | substringof, contains, startswith, endswith |
// | name        | ge, le, eq, ne, gt, lt | substringof, contains, startswith, endswith |
// top - number of records to return.
// skip - number of records to skip.
func (client TagDescriptionClient) ListByAPI(ctx context.Context, resourceGroupName string, serviceName string, apiid string, filter string, top *int32, skip *int32) (result TagDescriptionCollectionPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.ListByAPI")
		defer func() {
			sc := -1
			if result.tdc.Response.Response != nil {
				sc = result.tdc.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `^[^*#&+:<>?]+$`, Chain: nil}}},
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil}}}}},
		{TargetValue: skip,
			Constraints: []validation.Constraint{{Target: "skip", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "skip", Name: validation.InclusiveMinimum, Rule: int64(0), Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("apimanagement.TagDescriptionClient", "ListByAPI", err.Error())
	}

	result.fn = client.listByAPINextResults
	req, err := client.ListByAPIPreparer(ctx, resourceGroupName, serviceName, apiid, filter, top, skip)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "ListByAPI", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListByAPISender(req)
	if err != nil {
		result.tdc.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "ListByAPI", resp, "Failure sending request")
		return
	}

	result.tdc, err = client.ListByAPIResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "ListByAPI", resp, "Failure responding to request")
		return
	}
	if result.tdc.hasNextLink() && result.tdc.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListByAPIPreparer prepares the ListByAPI request.
func (client TagDescriptionClient) ListByAPIPreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, filter string, top *int32, skip *int32) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-01-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}
	if skip != nil {
		queryParameters["$skip"] = autorest.Encode("query", *skip)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/tagDescriptions", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListByAPISender sends the ListByAPI request. The method will close the
// http.Response Body if it receives an error.
func (client TagDescriptionClient) ListByAPISender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListByAPIResponder handles the response to the ListByAPI request. The method always
// closes the http.Response Body.
func (client TagDescriptionClient) ListByAPIResponder(resp *http.Response) (result TagDescriptionCollection, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// listByAPINextResults retrieves the next set of results, if any.
func (client TagDescriptionClient) listByAPINextResults(ctx context.Context, lastResults TagDescriptionCollection) (result TagDescriptionCollection, err error) {
	req, err := lastResults.tagDescriptionCollectionPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "listByAPINextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListByAPISender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "listByAPINextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListByAPIResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.TagDescriptionClient", "listByAPINextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListByAPIComplete enumerates all values, automatically crossing page boundaries as required.
func (client TagDescriptionClient) ListByAPIComplete(ctx context.Context, resourceGroupName string, serviceName string, apiid string, filter string, top *int32, skip *int32) (result TagDescriptionCollectionIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/TagDescriptionClient.ListByAPI")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListByAPI(ctx, resourceGroupName, serviceName, apiid, filter, top, skip)
	return
}
