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

package emr

import (
	"context"
	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/emr/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Fetches the attached managed scaling policy for an Amazon EMR cluster.
func (c *Client) GetManagedScalingPolicy(ctx context.Context, params *GetManagedScalingPolicyInput, optFns ...func(*Options)) (*GetManagedScalingPolicyOutput, error) {
	if params == nil {
		params = &GetManagedScalingPolicyInput{}
	}

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

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

type GetManagedScalingPolicyInput struct {

	// Specifies the ID of the cluster for which the managed scaling policy will be
	// fetched.
	//
	// This member is required.
	ClusterId *string

	noSmithyDocumentSerde
}

type GetManagedScalingPolicyOutput struct {

	// Specifies the managed scaling policy that is attached to an Amazon EMR cluster.
	ManagedScalingPolicy *types.ManagedScalingPolicy

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetManagedScalingPolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpGetManagedScalingPolicy{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpGetManagedScalingPolicy{}, 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 = addOpGetManagedScalingPolicyValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetManagedScalingPolicy(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
}

func newServiceMetadataMiddleware_opGetManagedScalingPolicy(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "elasticmapreduce",
		OperationName: "GetManagedScalingPolicy",
	}
}