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

package mediapackagev2

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"
)

// Retrieves the specified channel policy that's configured in AWS Elemental
// MediaPackage. With policies, you can specify who has access to AWS resources and
// what actions they can perform on those resources.
func (c *Client) GetChannelPolicy(ctx context.Context, params *GetChannelPolicyInput, optFns ...func(*Options)) (*GetChannelPolicyOutput, error) {
	if params == nil {
		params = &GetChannelPolicyInput{}
	}

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

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

type GetChannelPolicyInput struct {

	// The name that describes the channel group. The name is the primary identifier
	// for the channel group, and must be unique for your account in the AWS Region.
	//
	// This member is required.
	ChannelGroupName *string

	// The name that describes the channel. The name is the primary identifier for the
	// channel, and must be unique for your account in the AWS Region and channel
	// group.
	//
	// This member is required.
	ChannelName *string

	noSmithyDocumentSerde
}

type GetChannelPolicyOutput struct {

	// The name that describes the channel group. The name is the primary identifier
	// for the channel group, and must be unique for your account in the AWS Region.
	//
	// This member is required.
	ChannelGroupName *string

	// The name that describes the channel. The name is the primary identifier for the
	// channel, and must be unique for your account in the AWS Region and channel
	// group.
	//
	// This member is required.
	ChannelName *string

	// The policy assigned to the channel.
	//
	// This member is required.
	Policy *string

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetChannelPolicyMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsRestjson1_serializeOpGetChannelPolicy{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetChannelPolicy{}, 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 = addOpGetChannelPolicyValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetChannelPolicy(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_opGetChannelPolicy(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "mediapackagev2",
		OperationName: "GetChannelPolicy",
	}
}