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

package cloudfront

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"
)

// Deletes a cache policy. You cannot delete a cache policy if it's attached to a
// cache behavior. First update your distributions to remove the cache policy from
// all cache behaviors, then delete the cache policy. To delete a cache policy, you
// must provide the policy's identifier and version. To get these values, you can
// use ListCachePolicies or GetCachePolicy .
func (c *Client) DeleteCachePolicy(ctx context.Context, params *DeleteCachePolicyInput, optFns ...func(*Options)) (*DeleteCachePolicyOutput, error) {
	if params == nil {
		params = &DeleteCachePolicyInput{}
	}

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

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

type DeleteCachePolicyInput struct {

	// The unique identifier for the cache policy that you are deleting. To get the
	// identifier, you can use ListCachePolicies .
	//
	// This member is required.
	Id *string

	// The version of the cache policy that you are deleting. The version is the cache
	// policy's ETag value, which you can get using ListCachePolicies , GetCachePolicy
	// , or GetCachePolicyConfig .
	IfMatch *string

	noSmithyDocumentSerde
}

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDeleteCachePolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestxml_serializeOpDeleteCachePolicy{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestxml_deserializeOpDeleteCachePolicy{}, 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 = addOpDeleteCachePolicyValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDeleteCachePolicy(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_opDeleteCachePolicy(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "cloudfront",
		OperationName: "DeleteCachePolicy",
	}
}