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

package globalaccelerator

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/globalaccelerator/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Create an endpoint group for the specified listener. An endpoint group is a
// collection of endpoints in one Amazon Web Services Region. A resource must be
// valid and active when you add it as an endpoint. For more information about
// endpoint types and requirements for endpoints that you can add to Global
// Accelerator, see Endpoints for standard accelerators (https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoints.html)
// in the Global Accelerator Developer Guide.
func (c *Client) CreateEndpointGroup(ctx context.Context, params *CreateEndpointGroupInput, optFns ...func(*Options)) (*CreateEndpointGroupOutput, error) {
	if params == nil {
		params = &CreateEndpointGroupInput{}
	}

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

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

type CreateEndpointGroupInput struct {

	// The Amazon Web Services Region where the endpoint group is located. A listener
	// can have only one endpoint group in a specific Region.
	//
	// This member is required.
	EndpointGroupRegion *string

	// A unique, case-sensitive identifier that you provide to ensure the
	// idempotency—that is, the uniqueness—of the request.
	//
	// This member is required.
	IdempotencyToken *string

	// The Amazon Resource Name (ARN) of the listener.
	//
	// This member is required.
	ListenerArn *string

	// The list of endpoint objects.
	EndpointConfigurations []types.EndpointConfiguration

	// The time—10 seconds or 30 seconds—between each health check for an endpoint.
	// The default value is 30.
	HealthCheckIntervalSeconds *int32

	// If the protocol is HTTP/S, then this specifies the path that is the destination
	// for health check targets. The default value is slash (/).
	HealthCheckPath *string

	// The port that Global Accelerator uses to check the health of endpoints that are
	// part of this endpoint group. The default port is the listener port that this
	// endpoint group is associated with. If listener port is a list of ports, Global
	// Accelerator uses the first port in the list.
	HealthCheckPort *int32

	// The protocol that Global Accelerator uses to check the health of endpoints that
	// are part of this endpoint group. The default value is TCP.
	HealthCheckProtocol types.HealthCheckProtocol

	// Override specific listener ports used to route traffic to endpoints that are
	// part of this endpoint group. For example, you can create a port override in
	// which the listener receives user traffic on ports 80 and 443, but your
	// accelerator routes that traffic to ports 1080 and 1443, respectively, on the
	// endpoints. For more information, see Overriding listener ports (https://docs.aws.amazon.com/global-accelerator/latest/dg/about-endpoint-groups-port-override.html)
	// in the Global Accelerator Developer Guide.
	PortOverrides []types.PortOverride

	// The number of consecutive health checks required to set the state of a healthy
	// endpoint to unhealthy, or to set an unhealthy endpoint to healthy. The default
	// value is 3.
	ThresholdCount *int32

	// The percentage of traffic to send to an Amazon Web Services Region. Additional
	// traffic is distributed to other endpoint groups for this listener. Use this
	// action to increase (dial up) or decrease (dial down) traffic to a specific
	// Region. The percentage is applied to the traffic that would otherwise have been
	// routed to the Region based on optimal routing. The default value is 100.
	TrafficDialPercentage *float32

	noSmithyDocumentSerde
}

type CreateEndpointGroupOutput struct {

	// The information about the endpoint group that was created.
	EndpointGroup *types.EndpointGroup

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationCreateEndpointGroupMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpCreateEndpointGroup{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCreateEndpointGroup{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "CreateEndpointGroup"); 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 = 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 = 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addIdempotencyToken_opCreateEndpointGroupMiddleware(stack, options); err != nil {
		return err
	}
	if err = addOpCreateEndpointGroupValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateEndpointGroup(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
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}

type idempotencyToken_initializeOpCreateEndpointGroup struct {
	tokenProvider IdempotencyTokenProvider
}

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

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

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

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