package apimanagement

// Copyright (c) Microsoft and contributors.  All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// 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"
	"net/http"
)

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

// NewAPIReleaseClient creates an instance of the APIReleaseClient client.
func NewAPIReleaseClient(subscriptionID string) APIReleaseClient {
	return NewAPIReleaseClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewAPIReleaseClientWithBaseURI creates an instance of the APIReleaseClient client.
func NewAPIReleaseClientWithBaseURI(baseURI string, subscriptionID string) APIReleaseClient {
	return APIReleaseClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// Create creates a new Release for the API.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// releaseID - release identifier within an API. Must be unique in the current API Management service instance.
// parameters - create parameters.
func (client APIReleaseClient) Create(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string, parameters APIReleaseContract) (result APIReleaseContract, err error) {
	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])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: releaseID,
			Constraints: []validation.Constraint{{Target: "releaseID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "releaseID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "releaseID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "Create", err.Error())
	}

	req, err := client.CreatePreparer(ctx, resourceGroupName, serviceName, apiid, releaseID, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "Create", nil, "Failure preparing request")
		return
	}

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

	result, err = client.CreateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "Create", resp, "Failure responding to request")
	}

	return
}

// CreatePreparer prepares the Create request.
func (client APIReleaseClient) CreatePreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string, parameters APIReleaseContract) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"releaseId":         autorest.Encode("path", releaseID),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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}/releases/{releaseId}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateSender sends the Create request. The method will close the
// http.Response Body if it receives an error.
func (client APIReleaseClient) CreateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// Delete deletes the specified release in the API.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// releaseID - release identifier within an API. 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 APIReleaseClient) Delete(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string, ifMatch string) (result autorest.Response, err error) {
	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])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: releaseID,
			Constraints: []validation.Constraint{{Target: "releaseID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "releaseID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "releaseID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "Delete", err.Error())
	}

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

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

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

	return
}

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

	const APIVersion = "2018-06-01-preview"
	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}/releases/{releaseId}", 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 APIReleaseClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// Get returns the details of an API release.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// releaseID - release identifier within an API. Must be unique in the current API Management service instance.
func (client APIReleaseClient) Get(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string) (result APIReleaseContract, err error) {
	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])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: releaseID,
			Constraints: []validation.Constraint{{Target: "releaseID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "releaseID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "releaseID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, serviceName, apiid, releaseID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "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.APIReleaseClient", "Get", resp, "Failure sending request")
		return
	}

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

	return
}

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

	const APIVersion = "2018-06-01-preview"
	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}/releases/{releaseId}", 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 APIReleaseClient) GetSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// GetEntityTag returns the etag of an API release.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// releaseID - release identifier within an API. Must be unique in the current API Management service instance.
func (client APIReleaseClient) GetEntityTag(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string) (result autorest.Response, err error) {
	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])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: releaseID,
			Constraints: []validation.Constraint{{Target: "releaseID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "releaseID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "releaseID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "GetEntityTag", err.Error())
	}

	req, err := client.GetEntityTagPreparer(ctx, resourceGroupName, serviceName, apiid, releaseID)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "GetEntityTag", nil, "Failure preparing request")
		return
	}

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

	result, err = client.GetEntityTagResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "GetEntityTag", resp, "Failure responding to request")
	}

	return
}

// GetEntityTagPreparer prepares the GetEntityTag request.
func (client APIReleaseClient) GetEntityTagPreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"releaseId":         autorest.Encode("path", releaseID),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	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}/releases/{releaseId}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetEntityTagSender sends the GetEntityTag request. The method will close the
// http.Response Body if it receives an error.
func (client APIReleaseClient) GetEntityTagSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// List lists all releases of an API. An API release is created when making an API Revision current. Releases are also
// used to rollback to previous revisions. Results will be paged and can be constrained by the $top and $skip
// parameters.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// filter - | Field | Supported operators    | Supported functions                         |
// |-------|------------------------|---------------------------------------------|
// | name  | ge, le, eq, ne, gt, lt | substringof, contains, startswith, endswith |
// |notes|ge le eq ne gt lt|substringof contains startswith endswith|
// top - number of records to return.
// skip - number of records to skip.
func (client APIReleaseClient) List(ctx context.Context, resourceGroupName string, serviceName string, apiid string, filter string, top *int32, skip *int32) (result APIReleaseCollectionPage, err error) {
	if err := validation.Validate([]validation.Validation{
		{TargetValue: serviceName,
			Constraints: []validation.Constraint{{Target: "serviceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "serviceName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "serviceName", Name: validation.Pattern, Rule: `^[a-zA-Z](?:[a-zA-Z0-9-]*[a-zA-Z0-9])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMinimum, Rule: 1, Chain: nil}}}}},
		{TargetValue: skip,
			Constraints: []validation.Constraint{{Target: "skip", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "skip", Name: validation.InclusiveMinimum, Rule: 0, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "List", err.Error())
	}

	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, resourceGroupName, serviceName, apiid, filter, top, skip)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "List", nil, "Failure preparing request")
		return
	}

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

	result.arc, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "List", resp, "Failure responding to request")
	}

	return
}

// ListPreparer prepares the List request.
func (client APIReleaseClient) ListPreparer(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 = "2018-06-01-preview"
	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}/releases", 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 APIReleaseClient) ListSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client APIReleaseClient) ListResponder(resp *http.Response) (result APIReleaseCollection, err error) {
	err = autorest.Respond(
		resp,
		client.ByInspecting(),
		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 APIReleaseClient) listNextResults(lastResults APIReleaseCollection) (result APIReleaseCollection, err error) {
	req, err := lastResults.aPIReleaseCollectionPreparer()
	if err != nil {
		return result, autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "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, "apimanagement.APIReleaseClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListComplete enumerates all values, automatically crossing page boundaries as required.
func (client APIReleaseClient) ListComplete(ctx context.Context, resourceGroupName string, serviceName string, apiid string, filter string, top *int32, skip *int32) (result APIReleaseCollectionIterator, err error) {
	result.page, err = client.List(ctx, resourceGroupName, serviceName, apiid, filter, top, skip)
	return
}

// Update updates the details of the release of the API specified by its identifier.
// Parameters:
// resourceGroupName - the name of the resource group.
// serviceName - the name of the API Management service.
// apiid - API identifier. Must be unique in the current API Management service instance.
// releaseID - release identifier within an API. Must be unique in the current API Management service instance.
// parameters - API Release Update parameters.
// 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 APIReleaseClient) Update(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string, parameters APIReleaseContract, ifMatch string) (result autorest.Response, err error) {
	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])?$`, Chain: nil}}},
		{TargetValue: apiid,
			Constraints: []validation.Constraint{{Target: "apiid", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "apiid", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "apiid", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}},
		{TargetValue: releaseID,
			Constraints: []validation.Constraint{{Target: "releaseID", Name: validation.MaxLength, Rule: 80, Chain: nil},
				{Target: "releaseID", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "releaseID", Name: validation.Pattern, Rule: `(^[\w]+$)|(^[\w][\w\-]+[\w]$)`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("apimanagement.APIReleaseClient", "Update", err.Error())
	}

	req, err := client.UpdatePreparer(ctx, resourceGroupName, serviceName, apiid, releaseID, parameters, ifMatch)
	if err != nil {
		err = autorest.NewErrorWithError(err, "apimanagement.APIReleaseClient", "Update", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// UpdatePreparer prepares the Update request.
func (client APIReleaseClient) UpdatePreparer(ctx context.Context, resourceGroupName string, serviceName string, apiid string, releaseID string, parameters APIReleaseContract, ifMatch string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"apiId":             autorest.Encode("path", apiid),
		"releaseId":         autorest.Encode("path", releaseID),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"serviceName":       autorest.Encode("path", serviceName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2018-06-01-preview"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPatch(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ApiManagement/service/{serviceName}/apis/{apiId}/releases/{releaseId}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters),
		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 APIReleaseClient) UpdateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client, req,
		azure.DoRetryWithRegistration(client.Client))
}

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