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

package apigateway

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

// Gets a documentation part.
func (c *Client) GetDocumentationPart(ctx context.Context, params *GetDocumentationPartInput, optFns ...func(*Options)) (*GetDocumentationPartOutput, error) {
	if params == nil {
		params = &GetDocumentationPartInput{}
	}

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

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

// Gets a specified documentation part of a given API.
type GetDocumentationPartInput struct {

	// The string identifier of the associated RestApi.
	//
	// This member is required.
	DocumentationPartId *string

	// The string identifier of the associated RestApi.
	//
	// This member is required.
	RestApiId *string

	noSmithyDocumentSerde
}

// A documentation part for a targeted API entity.
type GetDocumentationPartOutput struct {

	// The DocumentationPart identifier, generated by API Gateway when the
	// DocumentationPart is created.
	Id *string

	// The location of the API entity to which the documentation applies. Valid fields
	// depend on the targeted API entity type. All the valid location fields are not
	// required. If not explicitly specified, a valid location field is treated as a
	// wildcard and associated documentation content may be inherited by matching
	// entities, unless overridden.
	Location *types.DocumentationPartLocation

	// A content map of API-specific key-value pairs describing the targeted API
	// entity. The map must be encoded as a JSON string, e.g., "{ \"description\":
	// \"The API does ...\" }" . Only OpenAPI-compliant documentation-related fields
	// from the properties map are exported and, hence, published as part of the API
	// entity definitions, while the original documentation parts are exported in a
	// OpenAPI extension of x-amazon-apigateway-documentation .
	Properties *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetDocumentationPartMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpGetDocumentationPart{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetDocumentationPart{}, 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 = addOpGetDocumentationPartValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetDocumentationPart(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 = addAcceptHeader(stack); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opGetDocumentationPart(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "apigateway",
		OperationName: "GetDocumentationPart",
	}
}