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

package directconnect

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

// Gets the LOA-CFA for a connection, interconnect, or link aggregation group
// (LAG). The Letter of Authorization - Connecting Facility Assignment (LOA-CFA) is
// a document that is used when establishing your cross connect to Amazon Web
// Services at the colocation facility. For more information, see Requesting Cross
// Connects at Direct Connect Locations (https://docs.aws.amazon.com/directconnect/latest/UserGuide/Colocation.html)
// in the Direct Connect User Guide.
func (c *Client) DescribeLoa(ctx context.Context, params *DescribeLoaInput, optFns ...func(*Options)) (*DescribeLoaOutput, error) {
	if params == nil {
		params = &DescribeLoaInput{}
	}

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

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

type DescribeLoaInput struct {

	// The ID of a connection, LAG, or interconnect.
	//
	// This member is required.
	ConnectionId *string

	// The standard media type for the LOA-CFA document. The only supported value is
	// application/pdf.
	LoaContentType types.LoaContentType

	// The name of the service provider who establishes connectivity on your behalf.
	// If you specify this parameter, the LOA-CFA lists the provider name alongside
	// your company name as the requester of the cross connect.
	ProviderName *string

	noSmithyDocumentSerde
}

// Information about a Letter of Authorization - Connecting Facility Assignment
// (LOA-CFA) for a connection.
type DescribeLoaOutput struct {

	// The binary contents of the LOA-CFA document.
	LoaContent []byte

	// The standard media type for the LOA-CFA document. The only supported value is
	// application/pdf.
	LoaContentType types.LoaContentType

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeLoaMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeLoa{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeLoa{}, 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 = addOpDescribeLoaValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeLoa(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_opDescribeLoa(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "directconnect",
		OperationName: "DescribeLoa",
	}
}