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

package elasticloadbalancing

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

// Describes the specified load balancer policy types or all load balancer policy
// types. The description of each type indicates how it can be used. For example,
// some policies can be used only with layer 7 listeners, some policies can be used
// only with layer 4 listeners, and some policies can be used only with your EC2
// instances. You can use CreateLoadBalancerPolicy to create a policy
// configuration for any of these policy types. Then, depending on the policy type,
// use either SetLoadBalancerPoliciesOfListener or
// SetLoadBalancerPoliciesForBackendServer to set the policy.
func (c *Client) DescribeLoadBalancerPolicyTypes(ctx context.Context, params *DescribeLoadBalancerPolicyTypesInput, optFns ...func(*Options)) (*DescribeLoadBalancerPolicyTypesOutput, error) {
	if params == nil {
		params = &DescribeLoadBalancerPolicyTypesInput{}
	}

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

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

// Contains the parameters for DescribeLoadBalancerPolicyTypes.
type DescribeLoadBalancerPolicyTypesInput struct {

	// The names of the policy types. If no names are specified, describes all policy
	// types defined by Elastic Load Balancing.
	PolicyTypeNames []string

	noSmithyDocumentSerde
}

// Contains the output of DescribeLoadBalancerPolicyTypes.
type DescribeLoadBalancerPolicyTypesOutput struct {

	// Information about the policy types.
	PolicyTypeDescriptions []types.PolicyTypeDescription

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeLoadBalancerPolicyTypesMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeLoadBalancerPolicyTypes{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeLoadBalancerPolicyTypes{}, 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 = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeLoadBalancerPolicyTypes(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_opDescribeLoadBalancerPolicyTypes(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "elasticloadbalancing",
		OperationName: "DescribeLoadBalancerPolicyTypes",
	}
}