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

package ioteventsdata

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

// Retrieves information about an alarm.
func (c *Client) DescribeAlarm(ctx context.Context, params *DescribeAlarmInput, optFns ...func(*Options)) (*DescribeAlarmOutput, error) {
	if params == nil {
		params = &DescribeAlarmInput{}
	}

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

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

type DescribeAlarmInput struct {

	// The name of the alarm model.
	//
	// This member is required.
	AlarmModelName *string

	// The value of the key used as a filter to select only the alarms associated with
	// the key
	// (https://docs.aws.amazon.com/iotevents/latest/apireference/API_CreateAlarmModel.html#iotevents-CreateAlarmModel-request-key).
	KeyValue *string

	noSmithyDocumentSerde
}

type DescribeAlarmOutput struct {

	// Contains information about an alarm.
	Alarm *types.Alarm

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeAlarmMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpDescribeAlarm{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpDescribeAlarm{}, 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 = addOpDescribeAlarmValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeAlarm(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_opDescribeAlarm(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "ioteventsdata",
		OperationName: "DescribeAlarm",
	}
}
