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

package omics

import (
	"context"
	"errors"
	"fmt"
	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/omics/types"
	"github.com/aws/smithy-go/middleware"
	smithytime "github.com/aws/smithy-go/time"
	smithyhttp "github.com/aws/smithy-go/transport/http"
	smithywaiter "github.com/aws/smithy-go/waiter"
	"github.com/jmespath/go-jmespath"
	"time"
)

// Gets information about a variant store.
func (c *Client) GetVariantStore(ctx context.Context, params *GetVariantStoreInput, optFns ...func(*Options)) (*GetVariantStoreOutput, error) {
	if params == nil {
		params = &GetVariantStoreInput{}
	}

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

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

type GetVariantStoreInput struct {

	// The store's name.
	//
	// This member is required.
	Name *string

	noSmithyDocumentSerde
}

type GetVariantStoreOutput struct {

	// When the store was created.
	//
	// This member is required.
	CreationTime *time.Time

	// The store's description.
	//
	// This member is required.
	Description *string

	// The store's ID.
	//
	// This member is required.
	Id *string

	// The store's name.
	//
	// This member is required.
	Name *string

	// The store's genome reference.
	//
	// This member is required.
	Reference types.ReferenceItem

	// The store's server-side encryption (SSE) settings.
	//
	// This member is required.
	SseConfig *types.SseConfig

	// The store's status.
	//
	// This member is required.
	Status types.StoreStatus

	// The store's status message.
	//
	// This member is required.
	StatusMessage *string

	// The store's ARN.
	//
	// This member is required.
	StoreArn *string

	// The store's size in bytes.
	//
	// This member is required.
	StoreSizeBytes *int64

	// The store's tags.
	//
	// This member is required.
	Tags map[string]string

	// When the store was updated.
	//
	// This member is required.
	UpdateTime *time.Time

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetVariantStoreMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpGetVariantStore{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetVariantStore{}, 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 = addEndpointPrefix_opGetVariantStoreMiddleware(stack); err != nil {
		return err
	}
	if err = addOpGetVariantStoreValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetVariantStore(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
}

type endpointPrefix_opGetVariantStoreMiddleware struct {
}

func (*endpointPrefix_opGetVariantStoreMiddleware) ID() string {
	return "EndpointHostPrefix"
}

func (m *endpointPrefix_opGetVariantStoreMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
	out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
	if smithyhttp.GetHostnameImmutable(ctx) || smithyhttp.IsEndpointHostPrefixDisabled(ctx) {
		return next.HandleSerialize(ctx, in)
	}

	req, ok := in.Request.(*smithyhttp.Request)
	if !ok {
		return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
	}

	req.URL.Host = "analytics-" + req.URL.Host

	return next.HandleSerialize(ctx, in)
}
func addEndpointPrefix_opGetVariantStoreMiddleware(stack *middleware.Stack) error {
	return stack.Serialize.Insert(&endpointPrefix_opGetVariantStoreMiddleware{}, `OperationSerializer`, middleware.After)
}

// GetVariantStoreAPIClient is a client that implements the GetVariantStore
// operation.
type GetVariantStoreAPIClient interface {
	GetVariantStore(context.Context, *GetVariantStoreInput, ...func(*Options)) (*GetVariantStoreOutput, error)
}

var _ GetVariantStoreAPIClient = (*Client)(nil)

// VariantStoreCreatedWaiterOptions are waiter options for
// VariantStoreCreatedWaiter
type VariantStoreCreatedWaiterOptions struct {

	// Set of options to modify how an operation is invoked. These apply to all
	// operations invoked for this client. Use functional options on operation call to
	// modify this list for per operation behavior.
	APIOptions []func(*middleware.Stack) error

	// MinDelay is the minimum amount of time to delay between retries. If unset,
	// VariantStoreCreatedWaiter will use default minimum delay of 30 seconds. Note
	// that MinDelay must resolve to a value lesser than or equal to the MaxDelay.
	MinDelay time.Duration

	// MaxDelay is the maximum amount of time to delay between retries. If unset or
	// set to zero, VariantStoreCreatedWaiter will use default max delay of 600
	// seconds. Note that MaxDelay must resolve to value greater than or equal to the
	// MinDelay.
	MaxDelay time.Duration

	// LogWaitAttempts is used to enable logging for waiter retry attempts
	LogWaitAttempts bool

	// Retryable is function that can be used to override the service defined
	// waiter-behavior based on operation output, or returned error. This function is
	// used by the waiter to decide if a state is retryable or a terminal state. By
	// default service-modeled logic will populate this option. This option can thus be
	// used to define a custom waiter state with fall-back to service-modeled waiter
	// state mutators.The function returns an error in case of a failure state. In case
	// of retry state, this function returns a bool value of true and nil error, while
	// in case of success it returns a bool value of false and nil error.
	Retryable func(context.Context, *GetVariantStoreInput, *GetVariantStoreOutput, error) (bool, error)
}

// VariantStoreCreatedWaiter defines the waiters for VariantStoreCreated
type VariantStoreCreatedWaiter struct {
	client GetVariantStoreAPIClient

	options VariantStoreCreatedWaiterOptions
}

// NewVariantStoreCreatedWaiter constructs a VariantStoreCreatedWaiter.
func NewVariantStoreCreatedWaiter(client GetVariantStoreAPIClient, optFns ...func(*VariantStoreCreatedWaiterOptions)) *VariantStoreCreatedWaiter {
	options := VariantStoreCreatedWaiterOptions{}
	options.MinDelay = 30 * time.Second
	options.MaxDelay = 600 * time.Second
	options.Retryable = variantStoreCreatedStateRetryable

	for _, fn := range optFns {
		fn(&options)
	}
	return &VariantStoreCreatedWaiter{
		client:  client,
		options: options,
	}
}

// Wait calls the waiter function for VariantStoreCreated waiter. The maxWaitDur
// is the maximum wait duration the waiter will wait. The maxWaitDur is required
// and must be greater than zero.
func (w *VariantStoreCreatedWaiter) Wait(ctx context.Context, params *GetVariantStoreInput, maxWaitDur time.Duration, optFns ...func(*VariantStoreCreatedWaiterOptions)) error {
	_, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...)
	return err
}

// WaitForOutput calls the waiter function for VariantStoreCreated waiter and
// returns the output of the successful operation. The maxWaitDur is the maximum
// wait duration the waiter will wait. The maxWaitDur is required and must be
// greater than zero.
func (w *VariantStoreCreatedWaiter) WaitForOutput(ctx context.Context, params *GetVariantStoreInput, maxWaitDur time.Duration, optFns ...func(*VariantStoreCreatedWaiterOptions)) (*GetVariantStoreOutput, error) {
	if maxWaitDur <= 0 {
		return nil, fmt.Errorf("maximum wait time for waiter must be greater than zero")
	}

	options := w.options
	for _, fn := range optFns {
		fn(&options)
	}

	if options.MaxDelay <= 0 {
		options.MaxDelay = 600 * time.Second
	}

	if options.MinDelay > options.MaxDelay {
		return nil, fmt.Errorf("minimum waiter delay %v must be lesser than or equal to maximum waiter delay of %v.", options.MinDelay, options.MaxDelay)
	}

	ctx, cancelFn := context.WithTimeout(ctx, maxWaitDur)
	defer cancelFn()

	logger := smithywaiter.Logger{}
	remainingTime := maxWaitDur

	var attempt int64
	for {

		attempt++
		apiOptions := options.APIOptions
		start := time.Now()

		if options.LogWaitAttempts {
			logger.Attempt = attempt
			apiOptions = append([]func(*middleware.Stack) error{}, options.APIOptions...)
			apiOptions = append(apiOptions, logger.AddLogger)
		}

		out, err := w.client.GetVariantStore(ctx, params, func(o *Options) {
			o.APIOptions = append(o.APIOptions, apiOptions...)
		})

		retryable, err := options.Retryable(ctx, params, out, err)
		if err != nil {
			return nil, err
		}
		if !retryable {
			return out, nil
		}

		remainingTime -= time.Since(start)
		if remainingTime < options.MinDelay || remainingTime <= 0 {
			break
		}

		// compute exponential backoff between waiter retries
		delay, err := smithywaiter.ComputeDelay(
			attempt, options.MinDelay, options.MaxDelay, remainingTime,
		)
		if err != nil {
			return nil, fmt.Errorf("error computing waiter delay, %w", err)
		}

		remainingTime -= delay
		// sleep for the delay amount before invoking a request
		if err := smithytime.SleepWithContext(ctx, delay); err != nil {
			return nil, fmt.Errorf("request cancelled while waiting, %w", err)
		}
	}
	return nil, fmt.Errorf("exceeded max wait time for VariantStoreCreated waiter")
}

func variantStoreCreatedStateRetryable(ctx context.Context, input *GetVariantStoreInput, output *GetVariantStoreOutput, err error) (bool, error) {

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "ACTIVE"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return false, nil
		}
	}

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "CREATING"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return true, nil
		}
	}

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "UPDATING"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return true, nil
		}
	}

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "FAILED"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	return true, nil
}

// VariantStoreDeletedWaiterOptions are waiter options for
// VariantStoreDeletedWaiter
type VariantStoreDeletedWaiterOptions struct {

	// Set of options to modify how an operation is invoked. These apply to all
	// operations invoked for this client. Use functional options on operation call to
	// modify this list for per operation behavior.
	APIOptions []func(*middleware.Stack) error

	// MinDelay is the minimum amount of time to delay between retries. If unset,
	// VariantStoreDeletedWaiter will use default minimum delay of 30 seconds. Note
	// that MinDelay must resolve to a value lesser than or equal to the MaxDelay.
	MinDelay time.Duration

	// MaxDelay is the maximum amount of time to delay between retries. If unset or
	// set to zero, VariantStoreDeletedWaiter will use default max delay of 600
	// seconds. Note that MaxDelay must resolve to value greater than or equal to the
	// MinDelay.
	MaxDelay time.Duration

	// LogWaitAttempts is used to enable logging for waiter retry attempts
	LogWaitAttempts bool

	// Retryable is function that can be used to override the service defined
	// waiter-behavior based on operation output, or returned error. This function is
	// used by the waiter to decide if a state is retryable or a terminal state. By
	// default service-modeled logic will populate this option. This option can thus be
	// used to define a custom waiter state with fall-back to service-modeled waiter
	// state mutators.The function returns an error in case of a failure state. In case
	// of retry state, this function returns a bool value of true and nil error, while
	// in case of success it returns a bool value of false and nil error.
	Retryable func(context.Context, *GetVariantStoreInput, *GetVariantStoreOutput, error) (bool, error)
}

// VariantStoreDeletedWaiter defines the waiters for VariantStoreDeleted
type VariantStoreDeletedWaiter struct {
	client GetVariantStoreAPIClient

	options VariantStoreDeletedWaiterOptions
}

// NewVariantStoreDeletedWaiter constructs a VariantStoreDeletedWaiter.
func NewVariantStoreDeletedWaiter(client GetVariantStoreAPIClient, optFns ...func(*VariantStoreDeletedWaiterOptions)) *VariantStoreDeletedWaiter {
	options := VariantStoreDeletedWaiterOptions{}
	options.MinDelay = 30 * time.Second
	options.MaxDelay = 600 * time.Second
	options.Retryable = variantStoreDeletedStateRetryable

	for _, fn := range optFns {
		fn(&options)
	}
	return &VariantStoreDeletedWaiter{
		client:  client,
		options: options,
	}
}

// Wait calls the waiter function for VariantStoreDeleted waiter. The maxWaitDur
// is the maximum wait duration the waiter will wait. The maxWaitDur is required
// and must be greater than zero.
func (w *VariantStoreDeletedWaiter) Wait(ctx context.Context, params *GetVariantStoreInput, maxWaitDur time.Duration, optFns ...func(*VariantStoreDeletedWaiterOptions)) error {
	_, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...)
	return err
}

// WaitForOutput calls the waiter function for VariantStoreDeleted waiter and
// returns the output of the successful operation. The maxWaitDur is the maximum
// wait duration the waiter will wait. The maxWaitDur is required and must be
// greater than zero.
func (w *VariantStoreDeletedWaiter) WaitForOutput(ctx context.Context, params *GetVariantStoreInput, maxWaitDur time.Duration, optFns ...func(*VariantStoreDeletedWaiterOptions)) (*GetVariantStoreOutput, error) {
	if maxWaitDur <= 0 {
		return nil, fmt.Errorf("maximum wait time for waiter must be greater than zero")
	}

	options := w.options
	for _, fn := range optFns {
		fn(&options)
	}

	if options.MaxDelay <= 0 {
		options.MaxDelay = 600 * time.Second
	}

	if options.MinDelay > options.MaxDelay {
		return nil, fmt.Errorf("minimum waiter delay %v must be lesser than or equal to maximum waiter delay of %v.", options.MinDelay, options.MaxDelay)
	}

	ctx, cancelFn := context.WithTimeout(ctx, maxWaitDur)
	defer cancelFn()

	logger := smithywaiter.Logger{}
	remainingTime := maxWaitDur

	var attempt int64
	for {

		attempt++
		apiOptions := options.APIOptions
		start := time.Now()

		if options.LogWaitAttempts {
			logger.Attempt = attempt
			apiOptions = append([]func(*middleware.Stack) error{}, options.APIOptions...)
			apiOptions = append(apiOptions, logger.AddLogger)
		}

		out, err := w.client.GetVariantStore(ctx, params, func(o *Options) {
			o.APIOptions = append(o.APIOptions, apiOptions...)
		})

		retryable, err := options.Retryable(ctx, params, out, err)
		if err != nil {
			return nil, err
		}
		if !retryable {
			return out, nil
		}

		remainingTime -= time.Since(start)
		if remainingTime < options.MinDelay || remainingTime <= 0 {
			break
		}

		// compute exponential backoff between waiter retries
		delay, err := smithywaiter.ComputeDelay(
			attempt, options.MinDelay, options.MaxDelay, remainingTime,
		)
		if err != nil {
			return nil, fmt.Errorf("error computing waiter delay, %w", err)
		}

		remainingTime -= delay
		// sleep for the delay amount before invoking a request
		if err := smithytime.SleepWithContext(ctx, delay); err != nil {
			return nil, fmt.Errorf("request cancelled while waiting, %w", err)
		}
	}
	return nil, fmt.Errorf("exceeded max wait time for VariantStoreDeleted waiter")
}

func variantStoreDeletedStateRetryable(ctx context.Context, input *GetVariantStoreInput, output *GetVariantStoreOutput, err error) (bool, error) {

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "DELETED"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return false, nil
		}
	}

	if err != nil {
		var errorType *types.ResourceNotFoundException
		if errors.As(err, &errorType) {
			return false, nil
		}
	}

	if err == nil {
		pathValue, err := jmespath.Search("status", output)
		if err != nil {
			return false, fmt.Errorf("error evaluating waiter state: %w", err)
		}

		expectedValue := "DELETING"
		value, ok := pathValue.(types.StoreStatus)
		if !ok {
			return false, fmt.Errorf("waiter comparator expected types.StoreStatus value, got %T", pathValue)
		}

		if string(value) == expectedValue {
			return true, nil
		}
	}

	return true, nil
}

func newServiceMetadataMiddleware_opGetVariantStore(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "omics",
		OperationName: "GetVariantStore",
	}
}