package k8s

import (
	"k8s.io/kubernetes/pkg/api"
	"k8s.io/kubernetes/pkg/fields"
	"k8s.io/kubernetes/pkg/labels"
	"k8s.io/kubernetes/pkg/watch"
)

// NamespaceLister is a (k8s.io/kubernetes/pkg/client/unversioned).NamespaceInterface compatible interface which only has the List function. It's used in places that only need List to make them easier to test and more easily swappable with other implementations (should the need arise).
//
// Example usage:
//
//	var nsl NamespaceLister
//	nsl = kubeClient.Namespaces()
type NamespaceLister interface {
	List(labels.Selector, fields.Selector) (*api.NamespaceList, error)
}

// NamespaceWatcher is a (k8s.io/kubernetes/pkg/client/unversioned).NamespaceInterface compatible interface which only has the Watch function. It's used in places that only need perform watches, to make those codebases easier to test and more easily swappable with other implementations (should the need arise).
//
// Example usage:
//
//	var nsl NamespaceWatcher
//	nsl = kubeClient.Namespaces()
type NamespaceWatcher interface {
	Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error)
}