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

package cloudformation

import (
	"context"
	"errors"
	"fmt"
	"github.com/aws/aws-sdk-go-v2/service/cloudformation/types"
	smithy "github.com/aws/smithy-go"
	"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"
	"time"
)

// Describes the stack refactor status.
func (c *Client) DescribeStackRefactor(ctx context.Context, params *DescribeStackRefactorInput, optFns ...func(*Options)) (*DescribeStackRefactorOutput, error) {
	if params == nil {
		params = &DescribeStackRefactorInput{}
	}

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

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

type DescribeStackRefactorInput struct {

	// The ID associated with the stack refactor created from the CreateStackRefactor action.
	//
	// This member is required.
	StackRefactorId *string

	noSmithyDocumentSerde
}

type DescribeStackRefactorOutput struct {

	// A description to help you identify the refactor.
	Description *string

	// The stack refactor execution operation status that's provided after calling the ExecuteStackRefactor
	// action.
	ExecutionStatus types.StackRefactorExecutionStatus

	// A detailed explanation for the stack refactor ExecutionStatus .
	ExecutionStatusReason *string

	// The unique ID for each stack.
	StackIds []string

	// The ID associated with the stack refactor created from the CreateStackRefactor action.
	StackRefactorId *string

	// The stack refactor operation status that's provided after calling the CreateStackRefactor action.
	Status types.StackRefactorStatus

	// A detailed explanation for the stack refactor operation Status .
	StatusReason *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeStackRefactorMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeStackRefactor{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeStackRefactor{}, middleware.After)
	if err != nil {
		return err
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addComputeContentLength(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = addComputePayloadSHA256(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(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 = addCredentialSource(stack, options); err != nil {
		return err
	}
	if err = addOpDescribeStackRefactorValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware(options.Region, "DescribeStackRefactor"), 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
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	if err = addInterceptors(stack, options); err != nil {
		return err
	}
	return nil
}

// StackRefactorCreateCompleteWaiterOptions are waiter options for
// StackRefactorCreateCompleteWaiter
type StackRefactorCreateCompleteWaiterOptions 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.
	//
	// Passing options here is functionally equivalent to passing values to this
	// config's ClientOptions field that extend the inner client's APIOptions directly.
	APIOptions []func(*middleware.Stack) error

	// Functional options to be passed to all operations invoked by this client.
	//
	// Function values that modify the inner APIOptions are applied after the waiter
	// config's own APIOptions modifiers.
	ClientOptions []func(*Options)

	// MinDelay is the minimum amount of time to delay between retries. If unset,
	// StackRefactorCreateCompleteWaiter will use default minimum delay of 5 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, StackRefactorCreateCompleteWaiter will use default max delay of 120
	// 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, *DescribeStackRefactorInput, *DescribeStackRefactorOutput, error) (bool, error)
}

// StackRefactorCreateCompleteWaiter defines the waiters for
// StackRefactorCreateComplete
type StackRefactorCreateCompleteWaiter struct {
	client DescribeStackRefactorAPIClient

	options StackRefactorCreateCompleteWaiterOptions
}

// NewStackRefactorCreateCompleteWaiter constructs a
// StackRefactorCreateCompleteWaiter.
func NewStackRefactorCreateCompleteWaiter(client DescribeStackRefactorAPIClient, optFns ...func(*StackRefactorCreateCompleteWaiterOptions)) *StackRefactorCreateCompleteWaiter {
	options := StackRefactorCreateCompleteWaiterOptions{}
	options.MinDelay = 5 * time.Second
	options.MaxDelay = 120 * time.Second
	options.Retryable = stackRefactorCreateCompleteStateRetryable

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

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

// WaitForOutput calls the waiter function for StackRefactorCreateComplete 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 *StackRefactorCreateCompleteWaiter) WaitForOutput(ctx context.Context, params *DescribeStackRefactorInput, maxWaitDur time.Duration, optFns ...func(*StackRefactorCreateCompleteWaiterOptions)) (*DescribeStackRefactorOutput, 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 = 120 * 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.DescribeStackRefactor(ctx, params, func(o *Options) {
			baseOpts := []func(*Options){
				addIsWaiterUserAgent,
			}
			o.APIOptions = append(o.APIOptions, apiOptions...)
			for _, opt := range baseOpts {
				opt(o)
			}
			for _, opt := range options.ClientOptions {
				opt(o)
			}
		})

		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 StackRefactorCreateComplete waiter")
}

func stackRefactorCreateCompleteStateRetryable(ctx context.Context, input *DescribeStackRefactorInput, output *DescribeStackRefactorOutput, err error) (bool, error) {

	if err == nil {
		v1 := output.Status
		expectedValue := "CREATE_COMPLETE"
		var pathValue string
		pathValue = string(v1)
		if pathValue == expectedValue {
			return false, nil
		}
	}

	if err == nil {
		v1 := output.Status
		expectedValue := "CREATE_FAILED"
		var pathValue string
		pathValue = string(v1)
		if pathValue == expectedValue {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	if err != nil {
		var apiErr smithy.APIError
		ok := errors.As(err, &apiErr)
		if !ok {
			return false, fmt.Errorf("expected err to be of type smithy.APIError, got %w", err)
		}

		if "ValidationError" == apiErr.ErrorCode() {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	if err != nil {
		return false, err
	}
	return true, nil
}

// StackRefactorExecuteCompleteWaiterOptions are waiter options for
// StackRefactorExecuteCompleteWaiter
type StackRefactorExecuteCompleteWaiterOptions 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.
	//
	// Passing options here is functionally equivalent to passing values to this
	// config's ClientOptions field that extend the inner client's APIOptions directly.
	APIOptions []func(*middleware.Stack) error

	// Functional options to be passed to all operations invoked by this client.
	//
	// Function values that modify the inner APIOptions are applied after the waiter
	// config's own APIOptions modifiers.
	ClientOptions []func(*Options)

	// MinDelay is the minimum amount of time to delay between retries. If unset,
	// StackRefactorExecuteCompleteWaiter will use default minimum delay of 15 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, StackRefactorExecuteCompleteWaiter will use default max delay of
	// 120 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, *DescribeStackRefactorInput, *DescribeStackRefactorOutput, error) (bool, error)
}

// StackRefactorExecuteCompleteWaiter defines the waiters for
// StackRefactorExecuteComplete
type StackRefactorExecuteCompleteWaiter struct {
	client DescribeStackRefactorAPIClient

	options StackRefactorExecuteCompleteWaiterOptions
}

// NewStackRefactorExecuteCompleteWaiter constructs a
// StackRefactorExecuteCompleteWaiter.
func NewStackRefactorExecuteCompleteWaiter(client DescribeStackRefactorAPIClient, optFns ...func(*StackRefactorExecuteCompleteWaiterOptions)) *StackRefactorExecuteCompleteWaiter {
	options := StackRefactorExecuteCompleteWaiterOptions{}
	options.MinDelay = 15 * time.Second
	options.MaxDelay = 120 * time.Second
	options.Retryable = stackRefactorExecuteCompleteStateRetryable

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

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

// WaitForOutput calls the waiter function for StackRefactorExecuteComplete 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 *StackRefactorExecuteCompleteWaiter) WaitForOutput(ctx context.Context, params *DescribeStackRefactorInput, maxWaitDur time.Duration, optFns ...func(*StackRefactorExecuteCompleteWaiterOptions)) (*DescribeStackRefactorOutput, 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 = 120 * 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.DescribeStackRefactor(ctx, params, func(o *Options) {
			baseOpts := []func(*Options){
				addIsWaiterUserAgent,
			}
			o.APIOptions = append(o.APIOptions, apiOptions...)
			for _, opt := range baseOpts {
				opt(o)
			}
			for _, opt := range options.ClientOptions {
				opt(o)
			}
		})

		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 StackRefactorExecuteComplete waiter")
}

func stackRefactorExecuteCompleteStateRetryable(ctx context.Context, input *DescribeStackRefactorInput, output *DescribeStackRefactorOutput, err error) (bool, error) {

	if err == nil {
		v1 := output.ExecutionStatus
		expectedValue := "EXECUTE_COMPLETE"
		var pathValue string
		pathValue = string(v1)
		if pathValue == expectedValue {
			return false, nil
		}
	}

	if err == nil {
		v1 := output.ExecutionStatus
		expectedValue := "EXECUTE_FAILED"
		var pathValue string
		pathValue = string(v1)
		if pathValue == expectedValue {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	if err == nil {
		v1 := output.ExecutionStatus
		expectedValue := "ROLLBACK_COMPLETE"
		var pathValue string
		pathValue = string(v1)
		if pathValue == expectedValue {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	if err != nil {
		var apiErr smithy.APIError
		ok := errors.As(err, &apiErr)
		if !ok {
			return false, fmt.Errorf("expected err to be of type smithy.APIError, got %w", err)
		}

		if "ValidationError" == apiErr.ErrorCode() {
			return false, fmt.Errorf("waiter state transitioned to Failure")
		}
	}

	if err != nil {
		return false, err
	}
	return true, nil
}

// DescribeStackRefactorAPIClient is a client that implements the
// DescribeStackRefactor operation.
type DescribeStackRefactorAPIClient interface {
	DescribeStackRefactor(context.Context, *DescribeStackRefactorInput, ...func(*Options)) (*DescribeStackRefactorOutput, error)
}

var _ DescribeStackRefactorAPIClient = (*Client)(nil)
