/*
Copyright 2019 The MayaData Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package selector

import (
	"strings"

	"github.com/pkg/errors"
	"k8s.io/apimachinery/pkg/util/validation"
)

// validateLabelKey validates if the given key is valid
func validateLabelKey(key string) error {
	if errs := validation.IsQualifiedName(key); len(errs) != 0 {
		return errors.Errorf(
			"Invalid label key %q: [%s]", key, strings.Join(errs, "; "),
		)
	}
	return nil
}

// validateLabelValue validates if the given value is valid
func validateLabelValue(key, value string) error {
	if errs := validation.IsValidLabelValue(value); len(errs) != 0 {
		return errors.Errorf(
			"Invalid label value %q at key %q: [%s]", value, key, strings.Join(errs, "; "),
		)
	}
	return nil
}
