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

package iam

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

// Deletes the specified managed policy. Before you can delete a managed policy,
// you must first detach the policy from all users, groups, and roles that it is
// attached to. In addition, you must delete all the policy's versions. The
// following steps describe the process for deleting a managed policy:
//   - Detach the policy from all users, groups, and roles that the policy is
//     attached to, using DetachUserPolicy , DetachGroupPolicy , or DetachRolePolicy
//     . To list all the users, groups, and roles that a policy is attached to, use
//     ListEntitiesForPolicy .
//   - Delete all versions of the policy using DeletePolicyVersion . To list the
//     policy's versions, use ListPolicyVersions . You cannot use DeletePolicyVersion
//     to delete the version that is marked as the default version. You delete the
//     policy's default version in the next step of the process.
//   - Delete the policy (this automatically deletes the policy's default version)
//     using this operation.
//
// For information about managed policies, see Managed policies and inline policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-vs-inline.html)
// in the IAM User Guide.
func (c *Client) DeletePolicy(ctx context.Context, params *DeletePolicyInput, optFns ...func(*Options)) (*DeletePolicyOutput, error) {
	if params == nil {
		params = &DeletePolicyInput{}
	}

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

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

type DeletePolicyInput struct {

	// The Amazon Resource Name (ARN) of the IAM policy you want to delete. For more
	// information about ARNs, see Amazon Resource Names (ARNs) (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
	// in the Amazon Web Services General Reference.
	//
	// This member is required.
	PolicyArn *string

	noSmithyDocumentSerde
}

type DeletePolicyOutput struct {
	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationDeletePolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsquery_serializeOpDeletePolicy{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDeletePolicy{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "DeletePolicy"); 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); err != nil {
		return err
	}
	if err = addRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpDeletePolicyValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDeletePolicy(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
	}
	return nil
}

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