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

package cloudwatchlogs

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Returns a list of custom and default field indexes which are discovered in log
// data. For more information about field index policies, see [PutIndexPolicy].
//
// [PutIndexPolicy]: https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_PutIndexPolicy.html
func (c *Client) DescribeFieldIndexes(ctx context.Context, params *DescribeFieldIndexesInput, optFns ...func(*Options)) (*DescribeFieldIndexesOutput, error) {
	if params == nil {
		params = &DescribeFieldIndexesInput{}
	}

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

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

type DescribeFieldIndexesInput struct {

	// An array containing the names or ARNs of the log groups that you want to
	// retrieve field indexes for.
	//
	// This member is required.
	LogGroupIdentifiers []string

	// The token for the next set of items to return. The token expires after 24 hours.
	NextToken *string

	noSmithyDocumentSerde
}

type DescribeFieldIndexesOutput struct {

	// An array containing the field index information.
	FieldIndexes []types.FieldIndex

	// The token for the next set of items to return. The token expires after 24 hours.
	NextToken *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeFieldIndexesMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeFieldIndexes{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeFieldIndexes{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeFieldIndexes"); err != nil {
		return fmt.Errorf("add protocol finalizers: %v", err)
	}

	if err = addlegacyEndpointContextSetter(stack, options); err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = addClientRequestID(stack); 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 = addRetry(stack, options, c); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = addRecordResponseTiming(stack); err != nil {
		return err
	}
	if err = addSpanRetryLoop(stack, options); 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addUserAgentRetryMode(stack, options); err != nil {
		return err
	}
	if err = addCredentialSource(stack, options); err != nil {
		return err
	}
	if err = addOpDescribeFieldIndexesValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeFieldIndexes(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = 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
	}
	if err = addDisableHTTPSMiddleware(stack, options); err != nil {
		return err
	}
	if err = addInterceptBeforeRetryLoop(stack, options); err != nil {
		return err
	}
	if err = addInterceptAttempt(stack, options); err != nil {
		return err
	}
	if err = addInterceptors(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opDescribeFieldIndexes(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "DescribeFieldIndexes",
	}
}