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

package rds

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/service/rds/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Purchases a reserved DB instance offering.
func (c *Client) PurchaseReservedDBInstancesOffering(ctx context.Context, params *PurchaseReservedDBInstancesOfferingInput, optFns ...func(*Options)) (*PurchaseReservedDBInstancesOfferingOutput, error) {
	if params == nil {
		params = &PurchaseReservedDBInstancesOfferingInput{}
	}

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

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

type PurchaseReservedDBInstancesOfferingInput struct {

	// The ID of the Reserved DB instance offering to purchase.
	//
	// Example: 438012d3-4052-4cc7-b2e3-8d3372e0e706
	//
	// This member is required.
	ReservedDBInstancesOfferingId *string

	// The number of instances to reserve.
	//
	// Default: 1
	DBInstanceCount *int32

	// Customer-specified identifier to track this reservation.
	//
	// Example: myreservationID
	ReservedDBInstanceId *string

	// A list of tags.
	//
	// For more information, see [Tagging Amazon RDS resources] in the Amazon RDS User Guide or [Tagging Amazon Aurora and Amazon RDS resources] in the Amazon
	// Aurora User Guide.
	//
	// [Tagging Amazon RDS resources]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Tagging.html
	// [Tagging Amazon Aurora and Amazon RDS resources]: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/USER_Tagging.html
	Tags []types.Tag

	noSmithyDocumentSerde
}

type PurchaseReservedDBInstancesOfferingOutput struct {

	// This data type is used as a response element in the DescribeReservedDBInstances
	// and PurchaseReservedDBInstancesOffering actions.
	ReservedDBInstance *types.ReservedDBInstance

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationPurchaseReservedDBInstancesOfferingMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsquery_serializeOpPurchaseReservedDBInstancesOffering{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpPurchaseReservedDBInstancesOffering{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "PurchaseReservedDBInstancesOffering"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRetry(stack, options, c); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addSpanRetryLoop(stack, options); 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addUserAgentRetryMode(stack, options); err != nil {
		return err
	}
	if err = addCredentialSource(stack, options); err != nil {
		return err
	}
	if err = addOpPurchaseReservedDBInstancesOfferingValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opPurchaseReservedDBInstancesOffering(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = 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
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	if err = addInterceptBeforeRetryLoop(stack, options); err != nil {
		return err
	}
	if err = addInterceptAttempt(stack, options); err != nil {
		return err
	}
	if err = addInterceptors(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opPurchaseReservedDBInstancesOffering(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "PurchaseReservedDBInstancesOffering",
	}
}