// 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 the field index policies of the specified log group. For more
// information about field index policies, see [PutIndexPolicy].
//
// If a specified log group has a log-group level index policy, that policy is
// returned by this operation.
//
// If a specified log group doesn't have a log-group level index policy, but an
// account-wide index policy applies to it, that account-wide policy is returned by
// this operation.
//
// To find information about only account-level policies, use [DescribeAccountPolicies] instead.
//
// [PutIndexPolicy]: https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_PutIndexPolicy.html
// [DescribeAccountPolicies]: https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_DescribeAccountPolicies.html
func (c *Client) DescribeIndexPolicies(ctx context.Context, params *DescribeIndexPoliciesInput, optFns ...func(*Options)) (*DescribeIndexPoliciesOutput, error) {
	if params == nil {
		params = &DescribeIndexPoliciesInput{}
	}

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

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

type DescribeIndexPoliciesInput struct {

	// An array containing the name or ARN of the log group that you want to retrieve
	// field index policies 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 DescribeIndexPoliciesOutput struct {

	// An array containing the field index policies.
	IndexPolicies []types.IndexPolicy

	// 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) addOperationDescribeIndexPoliciesMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeIndexPolicies{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeIndexPolicies{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeIndexPolicies"); 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 = addOpDescribeIndexPoliciesValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeIndexPolicies(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_opDescribeIndexPolicies(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "DescribeIndexPolicies",
	}
}