// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.

package iot

import (
	"context"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/internal/awsutil"
	"github.com/aws/aws-sdk-go-v2/private/protocol"
)

// The input for the ListThingPrincipal operation.
type ListThingPrincipalsInput struct {
	_ struct{} `type:"structure"`

	// The name of the thing.
	//
	// ThingName is a required field
	ThingName *string `location:"uri" locationName:"thingName" min:"1" type:"string" required:"true"`
}

// String returns the string representation
func (s ListThingPrincipalsInput) String() string {
	return awsutil.Prettify(s)
}

// Validate inspects the fields of the type to determine if they are valid.
func (s *ListThingPrincipalsInput) Validate() error {
	invalidParams := aws.ErrInvalidParams{Context: "ListThingPrincipalsInput"}

	if s.ThingName == nil {
		invalidParams.Add(aws.NewErrParamRequired("ThingName"))
	}
	if s.ThingName != nil && len(*s.ThingName) < 1 {
		invalidParams.Add(aws.NewErrParamMinLen("ThingName", 1))
	}

	if invalidParams.Len() > 0 {
		return invalidParams
	}
	return nil
}

// MarshalFields encodes the AWS API shape using the passed in protocol encoder.
func (s ListThingPrincipalsInput) MarshalFields(e protocol.FieldEncoder) error {
	e.SetValue(protocol.HeaderTarget, "Content-Type", protocol.StringValue("application/json"), protocol.Metadata{})

	if s.ThingName != nil {
		v := *s.ThingName

		metadata := protocol.Metadata{}
		e.SetValue(protocol.PathTarget, "thingName", protocol.QuotedValue{ValueMarshaler: protocol.StringValue(v)}, metadata)
	}
	return nil
}

// The output from the ListThingPrincipals operation.
type ListThingPrincipalsOutput struct {
	_ struct{} `type:"structure"`

	// The principals associated with the thing.
	Principals []string `locationName:"principals" type:"list"`
}

// String returns the string representation
func (s ListThingPrincipalsOutput) String() string {
	return awsutil.Prettify(s)
}

// MarshalFields encodes the AWS API shape using the passed in protocol encoder.
func (s ListThingPrincipalsOutput) MarshalFields(e protocol.FieldEncoder) error {
	if s.Principals != nil {
		v := s.Principals

		metadata := protocol.Metadata{}
		ls0 := e.List(protocol.BodyTarget, "principals", metadata)
		ls0.Start()
		for _, v1 := range v {
			ls0.ListAddValue(protocol.QuotedValue{ValueMarshaler: protocol.StringValue(v1)})
		}
		ls0.End()

	}
	return nil
}

const opListThingPrincipals = "ListThingPrincipals"

// ListThingPrincipalsRequest returns a request value for making API operation for
// AWS IoT.
//
// Lists the principals associated with the specified thing. A principal can
// be X.509 certificates, IAM users, groups, and roles, Amazon Cognito identities
// or federated identities.
//
//    // Example sending a request using ListThingPrincipalsRequest.
//    req := client.ListThingPrincipalsRequest(params)
//    resp, err := req.Send(context.TODO())
//    if err == nil {
//        fmt.Println(resp)
//    }
func (c *Client) ListThingPrincipalsRequest(input *ListThingPrincipalsInput) ListThingPrincipalsRequest {
	op := &aws.Operation{
		Name:       opListThingPrincipals,
		HTTPMethod: "GET",
		HTTPPath:   "/things/{thingName}/principals",
	}

	if input == nil {
		input = &ListThingPrincipalsInput{}
	}

	req := c.newRequest(op, input, &ListThingPrincipalsOutput{})

	return ListThingPrincipalsRequest{Request: req, Input: input, Copy: c.ListThingPrincipalsRequest}
}

// ListThingPrincipalsRequest is the request type for the
// ListThingPrincipals API operation.
type ListThingPrincipalsRequest struct {
	*aws.Request
	Input *ListThingPrincipalsInput
	Copy  func(*ListThingPrincipalsInput) ListThingPrincipalsRequest
}

// Send marshals and sends the ListThingPrincipals API request.
func (r ListThingPrincipalsRequest) Send(ctx context.Context) (*ListThingPrincipalsResponse, error) {
	r.Request.SetContext(ctx)
	err := r.Request.Send()
	if err != nil {
		return nil, err
	}

	resp := &ListThingPrincipalsResponse{
		ListThingPrincipalsOutput: r.Request.Data.(*ListThingPrincipalsOutput),
		response:                  &aws.Response{Request: r.Request},
	}

	return resp, nil
}

// ListThingPrincipalsResponse is the response type for the
// ListThingPrincipals API operation.
type ListThingPrincipalsResponse struct {
	*ListThingPrincipalsOutput

	response *aws.Response
}

// SDKResponseMetdata returns the response metadata for the
// ListThingPrincipals request.
func (r *ListThingPrincipalsResponse) SDKResponseMetdata() *aws.Response {
	return r.response
}