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

package iot

import (
	"context"
	"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/iot/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// List the device certificates signed by the specified CA certificate. Requires
// permission to access the ListCertificatesByCA
// (https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions)
// action.
func (c *Client) ListCertificatesByCA(ctx context.Context, params *ListCertificatesByCAInput, optFns ...func(*Options)) (*ListCertificatesByCAOutput, error) {
	if params == nil {
		params = &ListCertificatesByCAInput{}
	}

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

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

// The input to the ListCertificatesByCA operation.
type ListCertificatesByCAInput struct {

	// The ID of the CA certificate. This operation will list all registered device
	// certificate that were signed by this CA certificate.
	//
	// This member is required.
	CaCertificateId *string

	// Specifies the order for results. If True, the results are returned in ascending
	// order, based on the creation date.
	AscendingOrder bool

	// The marker for the next set of results.
	Marker *string

	// The result page size.
	PageSize *int32

	noSmithyDocumentSerde
}

// The output of the ListCertificatesByCA operation.
type ListCertificatesByCAOutput struct {

	// The device certificates signed by the specified CA certificate.
	Certificates []types.Certificate

	// The marker for the next set of results, or null if there are no additional
	// results.
	NextMarker *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationListCertificatesByCAMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpListCertificatesByCA{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListCertificatesByCA{}, 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 = addOpListCertificatesByCAValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListCertificatesByCA(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
}

// ListCertificatesByCAAPIClient is a client that implements the
// ListCertificatesByCA operation.
type ListCertificatesByCAAPIClient interface {
	ListCertificatesByCA(context.Context, *ListCertificatesByCAInput, ...func(*Options)) (*ListCertificatesByCAOutput, error)
}

var _ ListCertificatesByCAAPIClient = (*Client)(nil)

// ListCertificatesByCAPaginatorOptions is the paginator options for
// ListCertificatesByCA
type ListCertificatesByCAPaginatorOptions struct {
	// The result page size.
	Limit int32

	// Set to true if pagination should stop if the service returns a pagination token
	// that matches the most recent token provided to the service.
	StopOnDuplicateToken bool
}

// ListCertificatesByCAPaginator is a paginator for ListCertificatesByCA
type ListCertificatesByCAPaginator struct {
	options   ListCertificatesByCAPaginatorOptions
	client    ListCertificatesByCAAPIClient
	params    *ListCertificatesByCAInput
	nextToken *string
	firstPage bool
}

// NewListCertificatesByCAPaginator returns a new ListCertificatesByCAPaginator
func NewListCertificatesByCAPaginator(client ListCertificatesByCAAPIClient, params *ListCertificatesByCAInput, optFns ...func(*ListCertificatesByCAPaginatorOptions)) *ListCertificatesByCAPaginator {
	if params == nil {
		params = &ListCertificatesByCAInput{}
	}

	options := ListCertificatesByCAPaginatorOptions{}
	if params.PageSize != nil {
		options.Limit = *params.PageSize
	}

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

	return &ListCertificatesByCAPaginator{
		options:   options,
		client:    client,
		params:    params,
		firstPage: true,
		nextToken: params.Marker,
	}
}

// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListCertificatesByCAPaginator) HasMorePages() bool {
	return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}

// NextPage retrieves the next ListCertificatesByCA page.
func (p *ListCertificatesByCAPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListCertificatesByCAOutput, error) {
	if !p.HasMorePages() {
		return nil, fmt.Errorf("no more pages available")
	}

	params := *p.params
	params.Marker = p.nextToken

	var limit *int32
	if p.options.Limit > 0 {
		limit = &p.options.Limit
	}
	params.PageSize = limit

	result, err := p.client.ListCertificatesByCA(ctx, &params, optFns...)
	if err != nil {
		return nil, err
	}
	p.firstPage = false

	prevToken := p.nextToken
	p.nextToken = result.NextMarker

	if p.options.StopOnDuplicateToken &&
		prevToken != nil &&
		p.nextToken != nil &&
		*prevToken == *p.nextToken {
		p.nextToken = nil
	}

	return result, nil
}

func newServiceMetadataMiddleware_opListCertificatesByCA(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "execute-api",
		OperationName: "ListCertificatesByCA",
	}
}
