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

package docdb

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

// Creates an Amazon DocumentDB event notification subscription. This action
// requires a topic Amazon Resource Name (ARN) created by using the Amazon
// DocumentDB console, the Amazon SNS console, or the Amazon SNS API. To obtain an
// ARN with Amazon SNS, you must create a topic in Amazon SNS and subscribe to the
// topic. The ARN is displayed in the Amazon SNS console. You can specify the type
// of source (SourceType) that you want to be notified of. You can also provide a
// list of Amazon DocumentDB sources (SourceIds) that trigger the events, and you
// can provide a list of event categories (EventCategories) for events that you
// want to be notified of. For example, you can specify SourceType = db-instance,
// SourceIds = mydbinstance1, mydbinstance2 and EventCategories = Availability,
// Backup. If you specify both the SourceType and SourceIds (such as SourceType =
// db-instance and SourceIdentifier = myDBInstance1), you are notified of all the
// db-instance events for the specified source. If you specify a SourceType but do
// not specify a SourceIdentifier, you receive notice of the events for that source
// type for all your Amazon DocumentDB sources. If you do not specify either the
// SourceType or the SourceIdentifier, you are notified of events generated from
// all Amazon DocumentDB sources belonging to your customer account.
func (c *Client) CreateEventSubscription(ctx context.Context, params *CreateEventSubscriptionInput, optFns ...func(*Options)) (*CreateEventSubscriptionOutput, error) {
	if params == nil {
		params = &CreateEventSubscriptionInput{}
	}

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

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

// Represents the input to CreateEventSubscription.
type CreateEventSubscriptionInput struct {

	// The Amazon Resource Name (ARN) of the SNS topic created for event notification.
	// Amazon SNS creates the ARN when you create a topic and subscribe to it.
	//
	// This member is required.
	SnsTopicArn *string

	// The name of the subscription. Constraints: The name must be fewer than 255
	// characters.
	//
	// This member is required.
	SubscriptionName *string

	// A Boolean value; set to true to activate the subscription, set to false to
	// create the subscription but not active it.
	Enabled *bool

	// A list of event categories for a SourceType that you want to subscribe to.
	EventCategories []string

	// The list of identifiers of the event sources for which events are returned. If
	// not specified, then all sources are included in the response. An identifier must
	// begin with a letter and must contain only ASCII letters, digits, and hyphens; it
	// can't end with a hyphen or contain two consecutive hyphens. Constraints:
	//
	// * If
	// SourceIds are provided, SourceType must also be provided.
	//
	// * If the source type
	// is an instance, a DBInstanceIdentifier must be provided.
	//
	// * If the source type
	// is a security group, a DBSecurityGroupName must be provided.
	//
	// * If the source
	// type is a parameter group, a DBParameterGroupName must be provided.
	//
	// * If the
	// source type is a snapshot, a DBSnapshotIdentifier must be provided.
	SourceIds []string

	// The type of source that is generating the events. For example, if you want to be
	// notified of events generated by an instance, you would set this parameter to
	// db-instance. If this value is not specified, all events are returned. Valid
	// values: db-instance, db-cluster, db-parameter-group, db-security-group,
	// db-cluster-snapshot
	SourceType *string

	// The tags to be assigned to the event subscription.
	Tags []types.Tag

	noSmithyDocumentSerde
}

type CreateEventSubscriptionOutput struct {

	// Detailed information about an event to which you have subscribed.
	EventSubscription *types.EventSubscription

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationCreateEventSubscriptionMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsquery_serializeOpCreateEventSubscription{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpCreateEventSubscription{}, 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); err != nil {
		return err
	}
	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
		return err
	}
	if err = addOpCreateEventSubscriptionValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCreateEventSubscription(options.Region), middleware.Before); 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_opCreateEventSubscription(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "rds",
		OperationName: "CreateEventSubscription",
	}
}
