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

package codestarnotifications

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

// Removes an association between a notification rule and an Chatbot topic so that
// subscribers to that topic stop receiving notifications when the events described
// in the rule are triggered.
func (c *Client) Unsubscribe(ctx context.Context, params *UnsubscribeInput, optFns ...func(*Options)) (*UnsubscribeOutput, error) {
	if params == nil {
		params = &UnsubscribeInput{}
	}

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

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

type UnsubscribeInput struct {

	// The Amazon Resource Name (ARN) of the notification rule.
	//
	// This member is required.
	Arn *string

	// The ARN of the Chatbot topic to unsubscribe from the notification rule.
	//
	// This member is required.
	TargetAddress *string

	noSmithyDocumentSerde
}

type UnsubscribeOutput struct {

	// The Amazon Resource Name (ARN) of the the notification rule from which you have
	// removed a subscription.
	//
	// This member is required.
	Arn *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationUnsubscribeMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpUnsubscribe{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpUnsubscribe{}, 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 = addOpUnsubscribeValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opUnsubscribe(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_opUnsubscribe(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "codestar-notifications",
		OperationName: "Unsubscribe",
	}
}