/*
Copyright 2020 The Kubernetes 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.
*/
package io.kubernetes.client.examples;

import io.kubernetes.client.custom.V1Patch;
import io.kubernetes.client.openapi.ApiClient;
import io.kubernetes.client.openapi.models.V1Container;
import io.kubernetes.client.openapi.models.V1ObjectMeta;
import io.kubernetes.client.openapi.models.V1Pod;
import io.kubernetes.client.openapi.models.V1PodList;
import io.kubernetes.client.openapi.models.V1PodSpec;
import io.kubernetes.client.util.ClientBuilder;
import io.kubernetes.client.util.generic.GenericKubernetesApi;
import java.util.Arrays;

public class GenericClientExample {

  public static void main(String[] args) throws Exception {

    // The following codes demonstrates using generic client to manipulate pods
    V1Pod pod =
        new V1Pod()
            .metadata(new V1ObjectMeta().name("foo").namespace("default"))
            .spec(
                new V1PodSpec()
                    .containers(Arrays.asList(new V1Container().name("c").image("test"))));

    ApiClient apiClient = ClientBuilder.standard().build();
    GenericKubernetesApi<V1Pod, V1PodList> podClient =
        new GenericKubernetesApi<>(V1Pod.class, V1PodList.class, "", "v1", "pods", apiClient);

    V1Pod latestPod =
        podClient
            .create(pod)
            .onFailure(
                errorStatus -> {
                  System.out.println("Not Created!");
                  throw new RuntimeException(errorStatus.toString());
                })
            .getObject();
    System.out.println("Created!");

    V1Pod patchedPod =
        podClient
            .patch(
                "default",
                "foo",
                V1Patch.PATCH_FORMAT_STRATEGIC_MERGE_PATCH,
                new V1Patch("{\"metadata\":{\"finalizers\":[\"example.io/foo\"]}}"))
            .onFailure(
                errorStatus -> {
                  System.out.println("Not Patched!");
                  throw new RuntimeException(errorStatus.toString());
                })
            .getObject();
    System.out.println("Patched!");

    V1Pod deletedPod =
        podClient
            .delete("default", "foo")
            .onFailure(
                errorStatus -> {
                  System.out.println("Not Deleted!");
                  throw new RuntimeException(errorStatus.toString());
                })
            .getObject();
    if (deletedPod != null) {
      System.out.println(
          "Received after-deletion status of the requested object, will be deleting in background!");
    }
    System.out.println("Deleted!");
  }
}
