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

package iot

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

// Gets information about the specified policy version. Requires permission to
// access the GetPolicyVersion (https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions)
// action.
func (c *Client) GetPolicyVersion(ctx context.Context, params *GetPolicyVersionInput, optFns ...func(*Options)) (*GetPolicyVersionOutput, error) {
	if params == nil {
		params = &GetPolicyVersionInput{}
	}

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

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

// The input for the GetPolicyVersion operation.
type GetPolicyVersionInput struct {

	// The name of the policy.
	//
	// This member is required.
	PolicyName *string

	// The policy version ID.
	//
	// This member is required.
	PolicyVersionId *string

	noSmithyDocumentSerde
}

// The output from the GetPolicyVersion operation.
type GetPolicyVersionOutput struct {

	// The date the policy was created.
	CreationDate *time.Time

	// The generation ID of the policy version.
	GenerationId *string

	// Specifies whether the policy version is the default.
	IsDefaultVersion bool

	// The date the policy was last modified.
	LastModifiedDate *time.Time

	// The policy ARN.
	PolicyArn *string

	// The JSON document that describes the policy.
	PolicyDocument *string

	// The policy name.
	PolicyName *string

	// The policy version ID.
	PolicyVersionId *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetPolicyVersionMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpGetPolicyVersion{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetPolicyVersion{}, 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 = addOpGetPolicyVersionValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetPolicyVersion(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_opGetPolicyVersion(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "iot",
		OperationName: "GetPolicyVersion",
	}
}