/*
 * Copyright 2013-2023 the original author or 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 org.springframework.cloud.kubernetes.discoveryserver;

import java.util.List;

import io.kubernetes.client.informer.cache.Cache;
import io.kubernetes.client.informer.cache.Lister;
import io.kubernetes.client.openapi.models.V1Endpoints;
import io.kubernetes.client.openapi.models.V1Service;

import org.springframework.cloud.kubernetes.commons.discovery.DefaultKubernetesServiceInstance;

/**
 * @author wind57
 */
final class Util {

	private Util() {

	}

	static Lister<V1Service> setupServiceLister(V1Service... services) {
		Cache<V1Service> serviceCache = new Cache<>();
		Lister<V1Service> serviceLister = new Lister<>(serviceCache);
		for (V1Service svc : services) {
			serviceCache.add(svc);
		}
		return serviceLister;
	}

	static Lister<V1Endpoints> setupEndpointsLister(V1Endpoints... endpoints) {
		Cache<V1Endpoints> endpointsCache = new Cache<>();
		Lister<V1Endpoints> endpointsLister = new Lister<>(endpointsCache);
		for (V1Endpoints ep : endpoints) {
			endpointsCache.add(ep);
		}
		return endpointsLister;
	}

	record InstanceForTest(String name, List<DefaultKubernetesServiceInstance> serviceInstances) {

	}

}
