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

package organizations

import (
	"context"
	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/organizations/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Retrieves information about a policy. This operation can be called only from
// the organization's management account or by a member account that is a delegated
// administrator for an Amazon Web Services service.
func (c *Client) DescribePolicy(ctx context.Context, params *DescribePolicyInput, optFns ...func(*Options)) (*DescribePolicyOutput, error) {
	if params == nil {
		params = &DescribePolicyInput{}
	}

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

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

type DescribePolicyInput struct {

	// The unique identifier (ID) of the policy that you want details about. You can
	// get the ID from the ListPolicies or ListPoliciesForTarget operations. The regex
	// pattern (http://wikipedia.org/wiki/regex) for a policy ID string requires "p-"
	// followed by from 8 to 128 lowercase or uppercase letters, digits, or the
	// underscore character (_).
	//
	// This member is required.
	PolicyId *string

	noSmithyDocumentSerde
}

type DescribePolicyOutput struct {

	// A structure that contains details about the specified policy.
	Policy *types.Policy

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribePolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribePolicy{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribePolicy{}, 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 = addOpDescribePolicyValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribePolicy(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 = addRequestResponseLogging(stack, options); err != nil {
		return err
	}
	return nil
}

func newServiceMetadataMiddleware_opDescribePolicy(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "organizations",
		OperationName: "DescribePolicy",
	}
}