// Code generated by smithy-go-codegen DO NOT EDIT.

package ec2

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/service/ec2/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Associates a target network with a Client VPN endpoint. A target network is a
// subnet in a VPC. You can associate multiple subnets from the same VPC with a
// Client VPN endpoint. You can associate only one subnet in each Availability
// Zone. We recommend that you associate at least two subnets to provide
// Availability Zone redundancy.
//
// If you specified a VPC when you created the Client VPN endpoint or if you have
// previous subnet associations, the specified subnet must be in the same VPC. To
// specify a subnet that's in a different VPC, you must first modify the Client VPN
// endpoint (ModifyClientVpnEndpoint ) and change the VPC that's associated with it.
func (c *Client) AssociateClientVpnTargetNetwork(ctx context.Context, params *AssociateClientVpnTargetNetworkInput, optFns ...func(*Options)) (*AssociateClientVpnTargetNetworkOutput, error) {
	if params == nil {
		params = &AssociateClientVpnTargetNetworkInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "AssociateClientVpnTargetNetwork", params, optFns, c.addOperationAssociateClientVpnTargetNetworkMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*AssociateClientVpnTargetNetworkOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type AssociateClientVpnTargetNetworkInput struct {

	// The ID of the Client VPN endpoint.
	//
	// This member is required.
	ClientVpnEndpointId *string

	// The Availability Zone name for the Transit Gateway association. Required if
	// when associating an Availability Zone with a Client VPN endpoint that uses a
	// Transit Gateway. You cannot specify both SubnetId and AvailabilityZone .
	AvailabilityZone *string

	// The Availability Zone ID for the Transit Gateway association. Required if when
	// associating an Availability Zone with a Client VPN endpoint that uses a Transit
	// Gateway. You cannot specify both AvailabilityZone and AvailabilityZoneId .
	AvailabilityZoneId *string

	// Unique, case-sensitive identifier that you provide to ensure the idempotency of
	// the request. For more information, see [Ensuring idempotency].
	//
	// [Ensuring idempotency]: https://docs.aws.amazon.com/ec2/latest/devguide/ec2-api-idempotency.html
	ClientToken *string

	// Checks whether you have the required permissions for the action, without
	// actually making the request, and provides an error response. If you have the
	// required permissions, the error response is DryRunOperation . Otherwise, it is
	// UnauthorizedOperation .
	DryRun *bool

	// The ID of the subnet to associate with the Client VPN endpoint. Required for
	// VPC-based endpoints. For Transit Gateway-based endpoints, use AvailabilityZone
	// or AvailabilityZoneId instead.
	SubnetId *string

	noSmithyDocumentSerde
}

type AssociateClientVpnTargetNetworkOutput struct {

	// The unique ID of the target network association.
	AssociationId *string

	// The current state of the target network association.
	Status *types.AssociationStatus

	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationAssociateClientVpnTargetNetworkMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsEc2query_serializeOpAssociateClientVpnTargetNetwork{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsEc2query_deserializeOpAssociateClientVpnTargetNetwork{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "AssociateClientVpnTargetNetwork"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRetry(stack, options, c); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addSpanRetryLoop(stack, options); err != nil {
		return err
	}
	if err = addClientUserAgent(stack, options); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addUserAgentRetryMode(stack, options); err != nil {
		return err
	}
	if err = addCredentialSource(stack, options); err != nil {
		return err
	}
	if err = addIdempotencyToken_opAssociateClientVpnTargetNetworkMiddleware(stack, options); err != nil {
		return err
	}
	if err = addOpAssociateClientVpnTargetNetworkValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opAssociateClientVpnTargetNetwork(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = addRecursionDetection(stack); err != nil {
		return err
	}
	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
		return err
	}
	if err = addResponseErrorMiddleware(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	if err = addInterceptBeforeRetryLoop(stack, options); err != nil {
		return err
	}
	if err = addInterceptAttempt(stack, options); err != nil {
		return err
	}
	if err = addInterceptors(stack, options); err != nil {
		return err
	}
	return nil
}

type idempotencyToken_initializeOpAssociateClientVpnTargetNetwork struct {
	tokenProvider IdempotencyTokenProvider
}

func (*idempotencyToken_initializeOpAssociateClientVpnTargetNetwork) ID() string {
	return "OperationIdempotencyTokenAutoFill"
}

func (m *idempotencyToken_initializeOpAssociateClientVpnTargetNetwork) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	if m.tokenProvider == nil {
		return next.HandleInitialize(ctx, in)
	}

	input, ok := in.Parameters.(*AssociateClientVpnTargetNetworkInput)
	if !ok {
		return out, metadata, fmt.Errorf("expected middleware input to be of type *AssociateClientVpnTargetNetworkInput ")
	}

	if input.ClientToken == nil {
		t, err := m.tokenProvider.GetIdempotencyToken()
		if err != nil {
			return out, metadata, err
		}
		input.ClientToken = &t
	}
	return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opAssociateClientVpnTargetNetworkMiddleware(stack *middleware.Stack, cfg Options) error {
	return stack.Initialize.Add(&idempotencyToken_initializeOpAssociateClientVpnTargetNetwork{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}

func newServiceMetadataMiddleware_opAssociateClientVpnTargetNetwork(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "AssociateClientVpnTargetNetwork",
	}
}
