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

package support

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

// Returns the list of severity levels that you can assign to a support case. The
// severity level for a case is also a field in the CaseDetails data type that you
// include for a CreateCase request.
//   - You must have a Business, Enterprise On-Ramp, or Enterprise Support plan to
//     use the Amazon Web Services Support API.
//   - If you call the Amazon Web Services Support API from an account that
//     doesn't have a Business, Enterprise On-Ramp, or Enterprise Support plan, the
//     SubscriptionRequiredException error message appears. For information about
//     changing your support plan, see Amazon Web Services Support (http://aws.amazon.com/premiumsupport/)
//     .
func (c *Client) DescribeSeverityLevels(ctx context.Context, params *DescribeSeverityLevelsInput, optFns ...func(*Options)) (*DescribeSeverityLevelsOutput, error) {
	if params == nil {
		params = &DescribeSeverityLevelsInput{}
	}

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

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

type DescribeSeverityLevelsInput struct {

	// The language in which Amazon Web Services Support handles the case. Amazon Web
	// Services Support currently supports Chinese (“zh”), English ("en"), Japanese
	// ("ja") and Korean (“ko”). You must specify the ISO 639-1 code for the language
	// parameter if you want support in that language.
	Language *string

	noSmithyDocumentSerde
}

// The list of severity levels returned by the DescribeSeverityLevels operation.
type DescribeSeverityLevelsOutput struct {

	// The available severity levels for the support case. Available severity levels
	// are defined by your service level agreement with Amazon Web Services.
	SeverityLevels []types.SeverityLevel

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeSeverityLevelsMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeSeverityLevels{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeSeverityLevels{}, 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 = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeSeverityLevels(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_opDescribeSeverityLevels(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "support",
		OperationName: "DescribeSeverityLevels",
	}
}