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

package vpclattice

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
	"github.com/aws/aws-sdk-go-v2/service/vpclattice/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Creates a target group. A target group is a collection of targets, or compute
// resources, that run your application or service. A target group can only be used
// by a single service. For more information, see Target groups (https://docs.aws.amazon.com/vpc-lattice/latest/ug/target-groups.html)
// in the Amazon VPC Lattice User Guide.
func (c *Client) CreateTargetGroup(ctx context.Context, params *CreateTargetGroupInput, optFns ...func(*Options)) (*CreateTargetGroupOutput, error) {
	if params == nil {
		params = &CreateTargetGroupInput{}
	}

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

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

type CreateTargetGroupInput struct {

	// The name of the target group. The name must be unique within the account. The
	// valid characters are a-z, 0-9, and hyphens (-). You can't use a hyphen as the
	// first or last character, or immediately after another hyphen.
	//
	// This member is required.
	Name *string

	// The type of target group.
	//
	// This member is required.
	Type types.TargetGroupType

	// A unique, case-sensitive identifier that you provide to ensure the idempotency
	// of the request. If you retry a request that completed successfully using the
	// same client token and parameters, the retry succeeds without performing any
	// actions. If the parameters aren't identical, the retry fails.
	ClientToken *string

	// The target group configuration. If type is set to LAMBDA , this parameter
	// doesn't apply.
	Config *types.TargetGroupConfig

	// The tags for the target group.
	Tags map[string]string

	noSmithyDocumentSerde
}

type CreateTargetGroupOutput struct {

	// The Amazon Resource Name (ARN) of the target group.
	Arn *string

	// The target group configuration. If type is set to LAMBDA , this parameter
	// doesn't apply.
	Config *types.TargetGroupConfig

	// The ID of the target group.
	Id *string

	// The name of the target group.
	Name *string

	// The operation's status. You can retry the operation if the status is
	// CREATE_FAILED . However, if you retry it while the status is CREATE_IN_PROGRESS
	// , there is no change in the status.
	Status types.TargetGroupStatus

	// The type of target group.
	Type types.TargetGroupType

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationCreateTargetGroupMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpCreateTargetGroup{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpCreateTargetGroup{}, middleware.After)
	if err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
		return err
	}
	if err = addRetryMiddlewares(stack, options); err != nil {
		return err
	}
	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = awsmiddleware.AddRecordResponseTiming(stack); 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 = addIdempotencyToken_opCreateTargetGroupMiddleware(stack, options); err != nil {
		return err
	}
	if err = addOpCreateTargetGroupValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateTargetGroup(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = awsmiddleware.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
	}
	return nil
}

type idempotencyToken_initializeOpCreateTargetGroup struct {
	tokenProvider IdempotencyTokenProvider
}

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

func (m *idempotencyToken_initializeOpCreateTargetGroup) 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.(*CreateTargetGroupInput)
	if !ok {
		return out, metadata, fmt.Errorf("expected middleware input to be of type *CreateTargetGroupInput ")
	}

	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_opCreateTargetGroupMiddleware(stack *middleware.Stack, cfg Options) error {
	return stack.Initialize.Add(&idempotencyToken_initializeOpCreateTargetGroup{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}

func newServiceMetadataMiddleware_opCreateTargetGroup(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "vpc-lattice",
		OperationName: "CreateTargetGroup",
	}
}