/*
Copyright 2020 The Flux 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

    http://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.
*/

// Code generated by informer-gen. DO NOT EDIT.

package v1

import (
	context "context"
	time "time"

	apisgloov1 "github.com/fluxcd/flagger/pkg/apis/gloo/v1"
	versioned "github.com/fluxcd/flagger/pkg/client/clientset/versioned"
	internalinterfaces "github.com/fluxcd/flagger/pkg/client/informers/externalversions/internalinterfaces"
	gloov1 "github.com/fluxcd/flagger/pkg/client/listers/gloo/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	runtime "k8s.io/apimachinery/pkg/runtime"
	schema "k8s.io/apimachinery/pkg/runtime/schema"
	watch "k8s.io/apimachinery/pkg/watch"
	cache "k8s.io/client-go/tools/cache"
)

// UpstreamInformer provides access to a shared informer and lister for
// Upstreams.
type UpstreamInformer interface {
	Informer() cache.SharedIndexInformer
	Lister() gloov1.UpstreamLister
}

type upstreamInformer struct {
	factory          internalinterfaces.SharedInformerFactory
	tweakListOptions internalinterfaces.TweakListOptionsFunc
	namespace        string
}

// NewUpstreamInformer constructs a new informer for Upstream type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewUpstreamInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
	return NewUpstreamInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers})
}

// NewFilteredUpstreamInformer constructs a new informer for Upstream type.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewFilteredUpstreamInformer(client versioned.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
	return NewUpstreamInformerWithOptions(client, namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: indexers, TweakListOptions: tweakListOptions})
}

// NewUpstreamInformerWithOptions constructs a new informer for Upstream type with additional options.
// Always prefer using an informer factory to get a shared informer instead of getting an independent
// one. This reduces memory footprint and number of connections to the server.
func NewUpstreamInformerWithOptions(client versioned.Interface, namespace string, options internalinterfaces.InformerOptions) cache.SharedIndexInformer {
	gvr := schema.GroupVersionResource{Group: "gloo.solo.io", Version: "v1", Resource: "upstreams"}
	identifier := options.InformerName.WithResource(gvr)
	tweakListOptions := options.TweakListOptions
	return cache.NewSharedIndexInformerWithOptions(
		cache.ToListWatcherWithWatchListSemantics(&cache.ListWatch{
			ListFunc: func(opts metav1.ListOptions) (runtime.Object, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.GlooV1().Upstreams(namespace).List(context.Background(), opts)
			},
			WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.GlooV1().Upstreams(namespace).Watch(context.Background(), opts)
			},
			ListWithContextFunc: func(ctx context.Context, opts metav1.ListOptions) (runtime.Object, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.GlooV1().Upstreams(namespace).List(ctx, opts)
			},
			WatchFuncWithContext: func(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
				if tweakListOptions != nil {
					tweakListOptions(&opts)
				}
				return client.GlooV1().Upstreams(namespace).Watch(ctx, opts)
			},
		}, client),
		&apisgloov1.Upstream{},
		cache.SharedIndexInformerOptions{
			ResyncPeriod: options.ResyncPeriod,
			Indexers:     options.Indexers,
			Identifier:   identifier,
		},
	)
}

func (f *upstreamInformer) defaultInformer(client versioned.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
	return NewUpstreamInformerWithOptions(client, f.namespace, internalinterfaces.InformerOptions{ResyncPeriod: resyncPeriod, Indexers: cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, InformerName: f.factory.InformerName(), TweakListOptions: f.tweakListOptions})
}

func (f *upstreamInformer) Informer() cache.SharedIndexInformer {
	return f.factory.InformerFor(&apisgloov1.Upstream{}, f.defaultInformer)
}

func (f *upstreamInformer) Lister() gloov1.UpstreamLister {
	return gloov1.NewUpstreamLister(f.Informer().GetIndexer())
}
