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

package dynamodb

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/dynamodb/types"
	internalEndpointDiscovery "github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Lists all global tables that have a replica in the specified Region. This
// operation only applies to Version 2017.11.29 (Legacy) (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/globaltables.V1.html)
// of global tables. We recommend using Version 2019.11.21 (Current) (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/globaltables.V2.html)
// when creating new global tables, as it provides greater flexibility, higher
// efficiency and consumes less write capacity than 2017.11.29 (Legacy). To
// determine which version you are using, see Determining the version (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/globaltables.DetermineVersion.html)
// . To update existing global tables from version 2017.11.29 (Legacy) to version
// 2019.11.21 (Current), see Updating global tables (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/V2globaltables_upgrade.html)
// .
func (c *Client) ListGlobalTables(ctx context.Context, params *ListGlobalTablesInput, optFns ...func(*Options)) (*ListGlobalTablesOutput, error) {
	if params == nil {
		params = &ListGlobalTablesInput{}
	}

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

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

type ListGlobalTablesInput struct {

	// The first global table name that this operation will evaluate.
	ExclusiveStartGlobalTableName *string

	// The maximum number of table names to return, if the parameter is not specified
	// DynamoDB defaults to 100. If the number of global tables DynamoDB finds reaches
	// this limit, it stops the operation and returns the table names collected up to
	// that point, with a table name in the LastEvaluatedGlobalTableName to apply in a
	// subsequent operation to the ExclusiveStartGlobalTableName parameter.
	Limit *int32

	// Lists the global tables in a specific Region.
	RegionName *string

	noSmithyDocumentSerde
}

type ListGlobalTablesOutput struct {

	// List of global table names.
	GlobalTables []types.GlobalTable

	// Last evaluated global table name.
	LastEvaluatedGlobalTableName *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationListGlobalTablesMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson10_serializeOpListGlobalTables{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpListGlobalTables{}, 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 = addOpListGlobalTablesDiscoverEndpointMiddleware(stack, options, c); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListGlobalTables(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 = addValidateResponseChecksum(stack, options); err != nil {
		return err
	}
	if err = addAcceptEncodingGzip(stack, options); err != nil {
		return err
	}
	if err = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	return nil
}

func addOpListGlobalTablesDiscoverEndpointMiddleware(stack *middleware.Stack, o Options, c *Client) error {
	return stack.Serialize.Insert(&internalEndpointDiscovery.DiscoverEndpoint{
		Options: []func(*internalEndpointDiscovery.DiscoverEndpointOptions){
			func(opt *internalEndpointDiscovery.DiscoverEndpointOptions) {
				opt.DisableHTTPS = o.EndpointOptions.DisableHTTPS
				opt.Logger = o.Logger
			},
		},
		DiscoverOperation:            c.fetchOpListGlobalTablesDiscoverEndpoint,
		EndpointDiscoveryEnableState: o.EndpointDiscovery.EnableEndpointDiscovery,
		EndpointDiscoveryRequired:    false,
	}, "ResolveEndpoint", middleware.After)
}

func (c *Client) fetchOpListGlobalTablesDiscoverEndpoint(ctx context.Context, input interface{}, optFns ...func(*internalEndpointDiscovery.DiscoverEndpointOptions)) (internalEndpointDiscovery.WeightedAddress, error) {
	in, ok := input.(*ListGlobalTablesInput)
	if !ok {
		return internalEndpointDiscovery.WeightedAddress{}, fmt.Errorf("unknown input type %T", input)
	}
	_ = in

	identifierMap := make(map[string]string, 0)

	key := fmt.Sprintf("DynamoDB.%v", identifierMap)

	if v, ok := c.endpointCache.Get(key); ok {
		return v, nil
	}

	discoveryOperationInput := &DescribeEndpointsInput{}

	opt := internalEndpointDiscovery.DiscoverEndpointOptions{}
	for _, fn := range optFns {
		fn(&opt)
	}

	go c.handleEndpointDiscoveryFromService(ctx, discoveryOperationInput, key, opt)
	return internalEndpointDiscovery.WeightedAddress{}, nil
}

func newServiceMetadataMiddleware_opListGlobalTables(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "dynamodb",
		OperationName: "ListGlobalTables",
	}
}