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

// This operation allows you to perform transactional reads or writes on data
// stored in DynamoDB, using PartiQL. The entire transaction must consist of either
// read statements or write statements, you cannot mix both in one transaction. The
// EXISTS function is an exception and can be used to check the condition of
// specific attributes of the item in a similar manner to ConditionCheck in the
// TransactWriteItems (https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/transaction-apis.html#transaction-apis-txwriteitems)
// API.
func (c *Client) ExecuteTransaction(ctx context.Context, params *ExecuteTransactionInput, optFns ...func(*Options)) (*ExecuteTransactionOutput, error) {
	if params == nil {
		params = &ExecuteTransactionInput{}
	}

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

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

type ExecuteTransactionInput struct {

	// The list of PartiQL statements representing the transaction to run.
	//
	// This member is required.
	TransactStatements []types.ParameterizedStatement

	// Set this value to get remaining results, if NextToken was returned in the
	// statement response.
	ClientRequestToken *string

	// Determines the level of detail about either provisioned or on-demand throughput
	// consumption that is returned in the response. For more information, see
	// TransactGetItems (https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactGetItems.html)
	// and TransactWriteItems (https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html)
	// .
	ReturnConsumedCapacity types.ReturnConsumedCapacity

	noSmithyDocumentSerde
}

type ExecuteTransactionOutput struct {

	// The capacity units consumed by the entire operation. The values of the list are
	// ordered according to the ordering of the statements.
	ConsumedCapacity []types.ConsumedCapacity

	// The response to a PartiQL transaction.
	Responses []types.ItemResponse

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationExecuteTransactionMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson10_serializeOpExecuteTransaction{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpExecuteTransaction{}, 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 = addIdempotencyToken_opExecuteTransactionMiddleware(stack, options); err != nil {
		return err
	}
	if err = addOpExecuteTransactionValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opExecuteTransaction(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
}

type idempotencyToken_initializeOpExecuteTransaction struct {
	tokenProvider IdempotencyTokenProvider
}

func (*idempotencyToken_initializeOpExecuteTransaction) ID() string {
	return "OperationIdempotencyTokenAutoFill"
}

func (m *idempotencyToken_initializeOpExecuteTransaction) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
	out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
	if m.tokenProvider == nil {
		return next.HandleInitialize(ctx, in)
	}

	input, ok := in.Parameters.(*ExecuteTransactionInput)
	if !ok {
		return out, metadata, fmt.Errorf("expected middleware input to be of type *ExecuteTransactionInput ")
	}

	if input.ClientRequestToken == nil {
		t, err := m.tokenProvider.GetIdempotencyToken()
		if err != nil {
			return out, metadata, err
		}
		input.ClientRequestToken = &t
	}
	return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opExecuteTransactionMiddleware(stack *middleware.Stack, cfg Options) error {
	return stack.Initialize.Add(&idempotencyToken_initializeOpExecuteTransaction{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}

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