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

package ec2

import (
	"context"
	"fmt"
	"github.com/aws/aws-sdk-go-v2/service/ec2/types"
	"github.com/aws/smithy-go/middleware"
)

// Modifies a launch template. You can specify which version of the launch
// template to set as the default version. When launching an instance, the default
// version applies when a launch template version is not specified.
func (c *Client) ModifyLaunchTemplate(ctx context.Context, params *ModifyLaunchTemplateInput, optFns ...func(*Options)) (*ModifyLaunchTemplateOutput, error) {
	if params == nil {
		params = &ModifyLaunchTemplateInput{}
	}

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

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

type ModifyLaunchTemplateInput struct {

	// Unique, case-sensitive identifier you provide to ensure the idempotency of the
	// request. If a client token isn't specified, a randomly generated token is used
	// in the request to ensure idempotency.
	//
	// For more information, see [Ensuring idempotency].
	//
	// Constraint: Maximum 128 ASCII characters.
	//
	// [Ensuring idempotency]: https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Run_Instance_Idempotency.html
	ClientToken *string

	// The version number of the launch template to set as the default version.
	DefaultVersion *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 ID of the launch template.
	//
	// You must specify either the launch template ID or the launch template name, but
	// not both.
	LaunchTemplateId *string

	// The name of the launch template.
	//
	// You must specify either the launch template ID or the launch template name, but
	// not both.
	LaunchTemplateName *string

	noSmithyDocumentSerde
}

type ModifyLaunchTemplateOutput struct {

	// Information about the launch template.
	LaunchTemplate *types.LaunchTemplate

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationModifyLaunchTemplateMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsEc2query_serializeOpModifyLaunchTemplate{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsEc2query_deserializeOpModifyLaunchTemplate{}, middleware.After)
	if err != nil {
		return err
	}

	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack, options); err != nil {
		return err
	}
	if err = addCredentialSource(stack, options); err != nil {
		return err
	}
	if err = addIdempotencyToken_opModifyLaunchTemplateMiddleware(stack, options); 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 = addInterceptors(stack, options); err != nil {
		return err
	}
	return nil
}

type idempotencyToken_initializeOpModifyLaunchTemplate struct {
	tokenProvider IdempotencyTokenProvider
}

func (*idempotencyToken_initializeOpModifyLaunchTemplate) ID() string {
	return "OperationIdempotencyTokenAutoFill"
}

func (m *idempotencyToken_initializeOpModifyLaunchTemplate) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	if m.tokenProvider == nil {
		return next.HandleInitialize(ctx, in)
	}

	input, ok := in.Parameters.(*ModifyLaunchTemplateInput)
	if !ok {
		return out, metadata, fmt.Errorf("expected middleware input to be of type *ModifyLaunchTemplateInput ")
	}

	if input.ClientToken == nil {
		t, err := m.tokenProvider.GetIdempotencyToken()
		if err != nil {
			return out, metadata, err
		}
		input.ClientToken = &t
	}
	return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opModifyLaunchTemplateMiddleware(stack *middleware.Stack, cfg Options) error {
	return stack.Initialize.Add(&idempotencyToken_initializeOpModifyLaunchTemplate{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}