package windowsiot

// 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"
)

// ServicesClient is the use this API to manage the Windows IoT device services in your Azure subscription.
type ServicesClient struct {
	BaseClient
}

// NewServicesClient creates an instance of the ServicesClient client.
func NewServicesClient(subscriptionID string) ServicesClient {
	return NewServicesClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewServicesClientWithBaseURI creates an instance of the ServicesClient 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 NewServicesClientWithBaseURI(baseURI string, subscriptionID string) ServicesClient {
	return ServicesClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CheckDeviceServiceNameAvailability check if a Windows IoT Device Service name is available.
// Parameters:
// deviceServiceCheckNameAvailabilityParameters - set the name parameter in the
// DeviceServiceCheckNameAvailabilityParameters structure to the name of the Windows IoT Device Service to
// check.
func (client ServicesClient) CheckDeviceServiceNameAvailability(ctx context.Context, deviceServiceCheckNameAvailabilityParameters DeviceServiceCheckNameAvailabilityParameters) (result DeviceServiceNameAvailabilityInfo, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.CheckDeviceServiceNameAvailability")
		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: deviceServiceCheckNameAvailabilityParameters,
			Constraints: []validation.Constraint{{Target: "deviceServiceCheckNameAvailabilityParameters.Name", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("windowsiot.ServicesClient", "CheckDeviceServiceNameAvailability", err.Error())
	}

	req, err := client.CheckDeviceServiceNameAvailabilityPreparer(ctx, deviceServiceCheckNameAvailabilityParameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "CheckDeviceServiceNameAvailability", nil, "Failure preparing request")
		return
	}

	resp, err := client.CheckDeviceServiceNameAvailabilitySender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "CheckDeviceServiceNameAvailability", resp, "Failure sending request")
		return
	}

	result, err = client.CheckDeviceServiceNameAvailabilityResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "CheckDeviceServiceNameAvailability", resp, "Failure responding to request")
		return
	}

	return
}

// CheckDeviceServiceNameAvailabilityPreparer prepares the CheckDeviceServiceNameAvailability request.
func (client ServicesClient) CheckDeviceServiceNameAvailabilityPreparer(ctx context.Context, deviceServiceCheckNameAvailabilityParameters DeviceServiceCheckNameAvailabilityParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.WindowsIoT/checkDeviceServiceNameAvailability", pathParameters),
		autorest.WithJSON(deviceServiceCheckNameAvailabilityParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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

// CreateOrUpdate create or update the metadata of a Windows IoT Device Service. The usual pattern to modify a property
// is to retrieve the Windows IoT Device Service metadata and security metadata, and then combine them with the
// modified values in a new body to update the Windows IoT Device Service.
// Parameters:
// resourceGroupName - the name of the resource group that contains the Windows IoT Device Service.
// deviceName - the name of the Windows IoT Device Service.
// deviceService - the Windows IoT Device Service metadata and security metadata.
// ifMatch - eTag of the Windows IoT Device Service. Do not specify for creating a new Windows IoT Device
// Service. Required to update an existing Windows IoT Device Service.
func (client ServicesClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, deviceName string, deviceService DeviceServiceProperties, ifMatch string) (result DeviceService, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, deviceName, deviceService, ifMatch)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client ServicesClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, deviceName string, deviceService DeviceServiceProperties, ifMatch string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"deviceName":        autorest.Encode("path", deviceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	deviceService.StartDate = nil
	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.WindowsIoT/deviceServices/{deviceName}", pathParameters),
		autorest.WithJSON(deviceService),
		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 ServicesClient) 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 ServicesClient) CreateOrUpdateResponder(resp *http.Response) (result DeviceService, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete delete a Windows IoT Device Service.
// Parameters:
// resourceGroupName - the name of the resource group that contains the Windows IoT Device Service.
// deviceName - the name of the Windows IoT Device Service.
func (client ServicesClient) Delete(ctx context.Context, resourceGroupName string, deviceName string) (result DeviceService, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.Delete")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeletePreparer(ctx, resourceGroupName, deviceName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "Delete", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.WindowsIoT/deviceServices/{deviceName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	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 ServicesClient) 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 ServicesClient) DeleteResponder(resp *http.Response) (result DeviceService, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Get get the non-security related metadata of a Windows IoT Device Service.
// Parameters:
// resourceGroupName - the name of the resource group that contains the Windows IoT Device Service.
// deviceName - the name of the Windows IoT Device Service.
func (client ServicesClient) Get(ctx context.Context, resourceGroupName string, deviceName string) (result DeviceService, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.GetPreparer(ctx, resourceGroupName, deviceName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.WindowsIoT/deviceServices/{deviceName}", 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 ServicesClient) 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 ServicesClient) GetResponder(resp *http.Response) (result DeviceService, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List get all the IoT hubs in a subscription.
func (client ServicesClient) List(ctx context.Context) (result DeviceServiceDescriptionListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.List")
		defer func() {
			sc := -1
			if result.dsdlr.Response.Response != nil {
				sc = result.dsdlr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "List", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSender(req)
	if err != nil {
		result.dsdlr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "List", resp, "Failure sending request")
		return
	}

	result.dsdlr, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "List", resp, "Failure responding to request")
		return
	}
	if result.dsdlr.hasNextLink() && result.dsdlr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListPreparer prepares the List request.
func (client ServicesClient) ListPreparer(ctx context.Context) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.WindowsIoT/deviceServices", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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

// listNextResults retrieves the next set of results, if any.
func (client ServicesClient) listNextResults(ctx context.Context, lastResults DeviceServiceDescriptionListResult) (result DeviceServiceDescriptionListResult, err error) {
	req, err := lastResults.deviceServiceDescriptionListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client ServicesClient) ListComplete(ctx context.Context) (result DeviceServiceDescriptionListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.List")
		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.List(ctx)
	return
}

// ListByResourceGroup get all the IoT hubs in a resource group.
// Parameters:
// resourceGroupName - the name of the resource group that contains the Windows IoT Device Service.
func (client ServicesClient) ListByResourceGroup(ctx context.Context, resourceGroupName string) (result DeviceServiceDescriptionListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.ListByResourceGroup")
		defer func() {
			sc := -1
			if result.dsdlr.Response.Response != nil {
				sc = result.dsdlr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listByResourceGroupNextResults
	req, err := client.ListByResourceGroupPreparer(ctx, resourceGroupName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "ListByResourceGroup", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListByResourceGroupSender(req)
	if err != nil {
		result.dsdlr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "ListByResourceGroup", resp, "Failure sending request")
		return
	}

	result.dsdlr, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "ListByResourceGroup", resp, "Failure responding to request")
		return
	}
	if result.dsdlr.hasNextLink() && result.dsdlr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
func (client ServicesClient) ListByResourceGroupPreparer(ctx context.Context, resourceGroupName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

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

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

// listByResourceGroupNextResults retrieves the next set of results, if any.
func (client ServicesClient) listByResourceGroupNextResults(ctx context.Context, lastResults DeviceServiceDescriptionListResult) (result DeviceServiceDescriptionListResult, err error) {
	req, err := lastResults.deviceServiceDescriptionListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listByResourceGroupNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListByResourceGroupSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listByResourceGroupNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "listByResourceGroupNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListByResourceGroupComplete enumerates all values, automatically crossing page boundaries as required.
func (client ServicesClient) ListByResourceGroupComplete(ctx context.Context, resourceGroupName string) (result DeviceServiceDescriptionListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.ListByResourceGroup")
		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.ListByResourceGroup(ctx, resourceGroupName)
	return
}

// Update updates the metadata of a Windows IoT Device Service. The usual pattern to modify a property is to retrieve
// the Windows IoT Device Service metadata and security metadata, and then combine them with the modified values in a
// new body to update the Windows IoT Device Service.
// Parameters:
// resourceGroupName - the name of the resource group that contains the Windows IoT Device Service.
// deviceName - the name of the Windows IoT Device Service.
// deviceService - the Windows IoT Device Service metadata and security metadata.
// ifMatch - eTag of the Windows IoT Device Service. Do not specify for creating a brand new Windows IoT Device
// Service. Required to update an existing Windows IoT Device Service.
func (client ServicesClient) Update(ctx context.Context, resourceGroupName string, deviceName string, deviceService DeviceServiceProperties, ifMatch string) (result DeviceService, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/ServicesClient.Update")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.UpdatePreparer(ctx, resourceGroupName, deviceName, deviceService, ifMatch)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "Update", nil, "Failure preparing request")
		return
	}

	resp, err := client.UpdateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "Update", resp, "Failure sending request")
		return
	}

	result, err = client.UpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "windowsiot.ServicesClient", "Update", resp, "Failure responding to request")
		return
	}

	return
}

// UpdatePreparer prepares the Update request.
func (client ServicesClient) UpdatePreparer(ctx context.Context, resourceGroupName string, deviceName string, deviceService DeviceServiceProperties, ifMatch string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"deviceName":        autorest.Encode("path", deviceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-06-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	deviceService.StartDate = nil
	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPatch(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.WindowsIoT/deviceServices/{deviceName}", pathParameters),
		autorest.WithJSON(deviceService),
		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))
}

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

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