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

package ec2

import (
	"context"
	"fmt"
	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/ec2/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Disassociates secondary Elastic IP addresses (EIPs) from a public NAT gateway.
// You cannot disassociate your primary EIP. For more information, see Edit
// secondary IP address associations (https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html#nat-gateway-edit-secondary)
// in the Amazon VPC User Guide. While disassociating is in progress, you cannot
// associate/disassociate additional EIPs while the connections are being drained.
// You are, however, allowed to delete the NAT gateway. An EIP is released only at
// the end of MaxDrainDurationSeconds. It stays associated and supports the
// existing connections but does not support any new connections (new connections
// are distributed across the remaining associated EIPs). As the existing
// connections drain out, the EIPs (and the corresponding private IP addresses
// mapped to them) are released.
func (c *Client) DisassociateNatGatewayAddress(ctx context.Context, params *DisassociateNatGatewayAddressInput, optFns ...func(*Options)) (*DisassociateNatGatewayAddressOutput, error) {
	if params == nil {
		params = &DisassociateNatGatewayAddressInput{}
	}

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

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

type DisassociateNatGatewayAddressInput struct {

	// The association IDs of EIPs that have been associated with the NAT gateway.
	//
	// This member is required.
	AssociationIds []string

	// The ID of the NAT gateway.
	//
	// This member is required.
	NatGatewayId *string

	// Checks whether you have the required permissions for the action, without
	// actually making the request, and provides an error response. If you have the
	// required permissions, the error response is DryRunOperation . Otherwise, it is
	// UnauthorizedOperation .
	DryRun *bool

	// The maximum amount of time to wait (in seconds) before forcibly releasing the
	// IP addresses if connections are still in progress. Default value is 350 seconds.
	MaxDrainDurationSeconds *int32

	noSmithyDocumentSerde
}

type DisassociateNatGatewayAddressOutput struct {

	// Information about the NAT gateway IP addresses.
	NatGatewayAddresses []types.NatGatewayAddress

	// The ID of the NAT gateway.
	NatGatewayId *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDisassociateNatGatewayAddressMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsEc2query_serializeOpDisassociateNatGatewayAddress{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsEc2query_deserializeOpDisassociateNatGatewayAddress{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "DisassociateNatGatewayAddress"); 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 = 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 = 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpDisassociateNatGatewayAddressValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDisassociateNatGatewayAddress(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
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	return nil
}

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