// NewMethodNotSupported returns an error indicating the requested action is not supported on this kind.
func NewMethodNotSupported(qualifiedResource unversioned.GroupResource, action string) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusMethodNotAllowed,
		Reason: unversioned.StatusReasonMethodNotAllowed,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
		},
		Message: fmt.Sprintf("%s is not supported on resources of kind %q", action, qualifiedResource.String()),
	}}
}

// NewNotFound returns a new error which indicates that the resource of the kind and the name was not found.
func NewNotFound(qualifiedResource unversioned.GroupResource, name string) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusNotFound,
		Reason: unversioned.StatusReasonNotFound,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
			Name:  name,
		},
		Message: fmt.Sprintf("%s %q not found", qualifiedResource.String(), name),
	}}
}

// NewConflict returns an error indicating the item can't be updated as provided.
func NewConflict(qualifiedResource unversioned.GroupResource, name string, err error) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusConflict,
		Reason: unversioned.StatusReasonConflict,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
			Name:  name,
		},
		Message: fmt.Sprintf("%s %q cannot be updated: %v", qualifiedResource.String(), name, err),
	}}
}

// NewForbidden returns an error indicating the requested action was forbidden
func NewForbidden(qualifiedResource unversioned.GroupResource, name string, err error) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusForbidden,
		Reason: unversioned.StatusReasonForbidden,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
			Name:  name,
		},
		Message: fmt.Sprintf("%s %q is forbidden: %v", qualifiedResource.String(), name, err),
	}}
}

// NewAlreadyExists returns an error indicating the item requested exists by that identifier.
func NewAlreadyExists(qualifiedResource unversioned.GroupResource, name string) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusConflict,
		Reason: unversioned.StatusReasonAlreadyExists,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
			Name:  name,
		},
		Message: fmt.Sprintf("%s %q already exists", qualifiedResource.String(), name),
	}}
}

// NewGenericServerResponse returns a new error for server responses that are not in a recognizable form.
func NewGenericServerResponse(code int, verb string, qualifiedResource unversioned.GroupResource, name, serverMessage string, retryAfterSeconds int, isUnexpectedResponse bool) error {
	reason := unversioned.StatusReasonUnknown
	message := fmt.Sprintf("the server responded with the status code %d but did not return more information", code)
	switch code {
	case http.StatusConflict:
		if verb == "POST" {
			reason = unversioned.StatusReasonAlreadyExists
		} else {
			reason = unversioned.StatusReasonConflict
		}
		message = "the server reported a conflict"
	case http.StatusNotFound:
		reason = unversioned.StatusReasonNotFound
		message = "the server could not find the requested resource"
	case http.StatusBadRequest:
		reason = unversioned.StatusReasonBadRequest
		message = "the server rejected our request for an unknown reason"
	case http.StatusUnauthorized:
		reason = unversioned.StatusReasonUnauthorized
		message = "the server has asked for the client to provide credentials"
	case http.StatusForbidden:
		reason = unversioned.StatusReasonForbidden
		message = "the server does not allow access to the requested resource"
	case http.StatusMethodNotAllowed:
		reason = unversioned.StatusReasonMethodNotAllowed
		message = "the server does not allow this method on the requested resource"
	case StatusUnprocessableEntity:
		reason = unversioned.StatusReasonInvalid
		message = "the server rejected our request due to an error in our request"
	case StatusServerTimeout:
		reason = unversioned.StatusReasonServerTimeout
		message = "the server cannot complete the requested operation at this time, try again later"
	case StatusTooManyRequests:
		reason = unversioned.StatusReasonTimeout
		message = "the server has received too many requests and has asked us to try again later"
	default:
		if code >= 500 {
			reason = unversioned.StatusReasonInternalError
			message = "an error on the server has prevented the request from succeeding"
		}
	}
	switch {
	case !qualifiedResource.IsEmpty() && len(name) > 0:
		message = fmt.Sprintf("%s (%s %s %s)", message, strings.ToLower(verb), qualifiedResource.String(), name)
	case !qualifiedResource.IsEmpty():
		message = fmt.Sprintf("%s (%s %s)", message, strings.ToLower(verb), qualifiedResource.String())
	}
	var causes []unversioned.StatusCause
	if isUnexpectedResponse {
		causes = []unversioned.StatusCause{
			{
				Type:    unversioned.CauseTypeUnexpectedServerResponse,
				Message: serverMessage,
			},
		}
	} else {
		causes = nil
	}
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   int32(code),
		Reason: reason,
		Details: &unversioned.StatusDetails{
			Group: qualifiedResource.Group,
			Kind:  qualifiedResource.Resource,
			Name:  name,

			Causes:            causes,
			RetryAfterSeconds: int32(retryAfterSeconds),
		},
		Message: message,
	}}
}

// NewServerTimeout returns an error indicating the requested action could not be completed due to a
// transient error, and the client should try again.
func NewServerTimeout(qualifiedResource unversioned.GroupResource, operation string, retryAfterSeconds int) error {
	return &StatusError{unversioned.Status{
		Status: unversioned.StatusFailure,
		Code:   http.StatusInternalServerError,
		Reason: unversioned.StatusReasonServerTimeout,
		Details: &unversioned.StatusDetails{
			Group:             qualifiedResource.Group,
			Kind:              qualifiedResource.Resource,
			Name:              operation,
			RetryAfterSeconds: int32(retryAfterSeconds),
		},
		Message: fmt.Sprintf("The %s operation against %s could not be completed at this time, please try again.", operation, qualifiedResource.String()),
	}}
}