package network

// 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"
	"github.com/Azure/go-autorest/tracing"
	"net/http"
)

// FlowLogsClient is the network Client
type FlowLogsClient struct {
	BaseClient
}

// NewFlowLogsClient creates an instance of the FlowLogsClient client.
func NewFlowLogsClient(subscriptionID string) FlowLogsClient {
	return NewFlowLogsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

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

// CreateOrUpdate create or update a flow log for the specified network security group.
// Parameters:
// resourceGroupName - the name of the resource group.
// networkWatcherName - the name of the network watcher.
// flowLogName - the name of the flow log.
// parameters - parameters that define the create or update flow log resource.
func (client FlowLogsClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, networkWatcherName string, flowLogName string, parameters FlowLog) (result FlowLogsCreateOrUpdateFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FlowLogsClient.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.FlowLogPropertiesFormat", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.FlowLogPropertiesFormat.TargetResourceID", Name: validation.Null, Rule: true, Chain: nil},
					{Target: "parameters.FlowLogPropertiesFormat.StorageID", Name: validation.Null, Rule: true, Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("network.FlowLogsClient", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, networkWatcherName, flowLogName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

	result, err = client.CreateOrUpdateSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "CreateOrUpdate", nil, "Failure sending request")
		return
	}

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client FlowLogsClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, networkWatcherName string, flowLogName string, parameters FlowLog) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"flowLogName":        autorest.Encode("path", flowLogName),
		"networkWatcherName": autorest.Encode("path", networkWatcherName),
		"resourceGroupName":  autorest.Encode("path", resourceGroupName),
		"subscriptionId":     autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	parameters.Etag = 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.Network/networkWatchers/{networkWatcherName}/flowLogs/{flowLogName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	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 FlowLogsClient) CreateOrUpdateSender(req *http.Request) (future FlowLogsCreateOrUpdateFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client FlowLogsClient) (fl FlowLog, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "network.FlowLogsCreateOrUpdateFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("network.FlowLogsCreateOrUpdateFuture")
			return
		}
		sender := autorest.DecorateSender(client, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
		fl.Response.Response, err = future.GetResult(sender)
		if fl.Response.Response == nil && err == nil {
			err = autorest.NewErrorWithError(err, "network.FlowLogsCreateOrUpdateFuture", "Result", nil, "received nil response and error")
		}
		if err == nil && fl.Response.Response.StatusCode != http.StatusNoContent {
			fl, err = client.CreateOrUpdateResponder(fl.Response.Response)
			if err != nil {
				err = autorest.NewErrorWithError(err, "network.FlowLogsCreateOrUpdateFuture", "Result", fl.Response.Response, "Failure responding to request")
			}
		}
		return
	}
	return
}

// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
// closes the http.Response Body.
func (client FlowLogsClient) CreateOrUpdateResponder(resp *http.Response) (result FlowLog, 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 deletes the specified flow log resource.
// Parameters:
// resourceGroupName - the name of the resource group.
// networkWatcherName - the name of the network watcher.
// flowLogName - the name of the flow log resource.
func (client FlowLogsClient) Delete(ctx context.Context, resourceGroupName string, networkWatcherName string, flowLogName string) (result FlowLogsDeleteFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FlowLogsClient.Delete")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	req, err := client.DeletePreparer(ctx, resourceGroupName, networkWatcherName, flowLogName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "Delete", nil, "Failure preparing request")
		return
	}

	result, err = client.DeleteSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "Delete", nil, "Failure sending request")
		return
	}

	return
}

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

	const APIVersion = "2019-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkWatchers/{networkWatcherName}/flowLogs/{flowLogName}", 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 FlowLogsClient) DeleteSender(req *http.Request) (future FlowLogsDeleteFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client FlowLogsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "network.FlowLogsDeleteFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("network.FlowLogsDeleteFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

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

// Get gets a flow log resource by name.
// Parameters:
// resourceGroupName - the name of the resource group.
// networkWatcherName - the name of the network watcher.
// flowLogName - the name of the flow log resource.
func (client FlowLogsClient) Get(ctx context.Context, resourceGroupName string, networkWatcherName string, flowLogName string) (result FlowLog, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FlowLogsClient.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, networkWatcherName, flowLogName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkWatchers/{networkWatcherName}/flowLogs/{flowLogName}", 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 FlowLogsClient) 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 FlowLogsClient) GetResponder(resp *http.Response) (result FlowLog, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List lists all flow log resources for the specified Network Watcher.
// Parameters:
// resourceGroupName - the name of the resource group containing Network Watcher.
// networkWatcherName - the name of the Network Watcher resource.
func (client FlowLogsClient) List(ctx context.Context, resourceGroupName string, networkWatcherName string) (result FlowLogListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/FlowLogsClient.List")
		defer func() {
			sc := -1
			if result.fllr.Response.Response != nil {
				sc = result.fllr.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.fn = client.listNextResults
	req, err := client.ListPreparer(ctx, resourceGroupName, networkWatcherName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "List", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2019-12-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/networkWatchers/{networkWatcherName}/flowLogs", 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 FlowLogsClient) 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 FlowLogsClient) ListResponder(resp *http.Response) (result FlowLogListResult, 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 FlowLogsClient) listNextResults(ctx context.Context, lastResults FlowLogListResult) (result FlowLogListResult, err error) {
	req, err := lastResults.flowLogListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "network.FlowLogsClient", "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, "network.FlowLogsClient", "listNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "network.FlowLogsClient", "listNextResults", resp, "Failure responding to next results request")
	}
	return
}

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