package errhttp

import (
	"net/http"
)

var _ Error           = internalPaymentRequired{}
var _ ClientError     = internalPaymentRequired{}
var _ PaymentRequired = internalPaymentRequired{}

var ClientErrorPaymentRequired ClientError = PaymentRequiredWrap(nil).(PaymentRequired)
var ErrHTTPPaymentRequired     Error       = ClientErrorPaymentRequired
var ErrPaymentRequired         error       = ClientErrorPaymentRequired

type PaymentRequired interface {
	ClientError
	PaymentRequired()
}

type internalPaymentRequired struct {
	err error
}

func PaymentRequiredWrap(err error) error {
	return internalPaymentRequired{
		err:err,
	}
}

func (receiver internalPaymentRequired) Error() string {
	err := receiver.err
	if nil == err {
		return http.StatusText(receiver.ErrHTTP())
	}
	return err.Error()
}

func (internalPaymentRequired) ErrHTTP() int {
	return http.StatusPaymentRequired
}


func (internalPaymentRequired) ClientError() {
	// Nothing here.
}

func (internalPaymentRequired) PaymentRequired() {
	// Nothing here.
}

func (receiver internalPaymentRequired) Unwrap() error {
	return receiver.err
}