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

package opsworks

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

// Requests a description of one or more layers in a specified stack. This call
// accepts only one resource-identifying parameter. Required Permissions: To use
// this action, an IAM user must have a Show, Deploy, or Manage permissions level
// for the stack, or an attached policy that explicitly grants permissions. For
// more information about user permissions, see Managing User Permissions (https://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html)
// .
func (c *Client) DescribeLayers(ctx context.Context, params *DescribeLayersInput, optFns ...func(*Options)) (*DescribeLayersOutput, error) {
	if params == nil {
		params = &DescribeLayersInput{}
	}

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

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

type DescribeLayersInput struct {

	// An array of layer IDs that specify the layers to be described. If you omit this
	// parameter, DescribeLayers returns a description of every layer in the specified
	// stack.
	LayerIds []string

	// The stack ID.
	StackId *string

	noSmithyDocumentSerde
}

// Contains the response to a DescribeLayers request.
type DescribeLayersOutput struct {

	// An array of Layer objects that describe the layers.
	Layers []types.Layer

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeLayersMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeLayers{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeLayers{}, 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_opDescribeLayers(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_opDescribeLayers(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "opsworks",
		OperationName: "DescribeLayers",
	}
}