/*
 * Copyright 2022 Google LLC
 *
 * 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 com.google.cloud.run.v2.stub;

import static com.google.cloud.run.v2.TasksClient.ListTasksPagedResponse;

import com.google.api.gax.core.BackgroundResource;
import com.google.api.gax.core.BackgroundResourceAggregation;
import com.google.api.gax.grpc.GrpcCallSettings;
import com.google.api.gax.grpc.GrpcStubCallableFactory;
import com.google.api.gax.rpc.ClientContext;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.run.v2.GetTaskRequest;
import com.google.cloud.run.v2.ListTasksRequest;
import com.google.cloud.run.v2.ListTasksResponse;
import com.google.cloud.run.v2.Task;
import com.google.common.collect.ImmutableMap;
import com.google.longrunning.stub.GrpcOperationsStub;
import io.grpc.MethodDescriptor;
import io.grpc.protobuf.ProtoUtils;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import javax.annotation.Generated;

// AUTO-GENERATED DOCUMENTATION AND CLASS.
/**
 * gRPC stub implementation for the Tasks service API.
 *
 * <p>This class is for advanced usage and reflects the underlying API directly.
 */
@Generated("by gapic-generator-java")
public class GrpcTasksStub extends TasksStub {
  private static final MethodDescriptor<GetTaskRequest, Task> getTaskMethodDescriptor =
      MethodDescriptor.<GetTaskRequest, Task>newBuilder()
          .setType(MethodDescriptor.MethodType.UNARY)
          .setFullMethodName("google.cloud.run.v2.Tasks/GetTask")
          .setRequestMarshaller(ProtoUtils.marshaller(GetTaskRequest.getDefaultInstance()))
          .setResponseMarshaller(ProtoUtils.marshaller(Task.getDefaultInstance()))
          .build();

  private static final MethodDescriptor<ListTasksRequest, ListTasksResponse>
      listTasksMethodDescriptor =
          MethodDescriptor.<ListTasksRequest, ListTasksResponse>newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.cloud.run.v2.Tasks/ListTasks")
              .setRequestMarshaller(ProtoUtils.marshaller(ListTasksRequest.getDefaultInstance()))
              .setResponseMarshaller(ProtoUtils.marshaller(ListTasksResponse.getDefaultInstance()))
              .build();

  private final UnaryCallable<GetTaskRequest, Task> getTaskCallable;
  private final UnaryCallable<ListTasksRequest, ListTasksResponse> listTasksCallable;
  private final UnaryCallable<ListTasksRequest, ListTasksPagedResponse> listTasksPagedCallable;

  private final BackgroundResource backgroundResources;
  private final GrpcOperationsStub operationsStub;
  private final GrpcStubCallableFactory callableFactory;

  public static final GrpcTasksStub create(TasksStubSettings settings) throws IOException {
    return new GrpcTasksStub(settings, ClientContext.create(settings));
  }

  public static final GrpcTasksStub create(ClientContext clientContext) throws IOException {
    return new GrpcTasksStub(TasksStubSettings.newBuilder().build(), clientContext);
  }

  public static final GrpcTasksStub create(
      ClientContext clientContext, GrpcStubCallableFactory callableFactory) throws IOException {
    return new GrpcTasksStub(
        TasksStubSettings.newBuilder().build(), clientContext, callableFactory);
  }

  /**
   * Constructs an instance of GrpcTasksStub, using the given settings. This is protected so that it
   * is easy to make a subclass, but otherwise, the static factory methods should be preferred.
   */
  protected GrpcTasksStub(TasksStubSettings settings, ClientContext clientContext)
      throws IOException {
    this(settings, clientContext, new GrpcTasksCallableFactory());
  }

  /**
   * Constructs an instance of GrpcTasksStub, using the given settings. This is protected so that it
   * is easy to make a subclass, but otherwise, the static factory methods should be preferred.
   */
  protected GrpcTasksStub(
      TasksStubSettings settings,
      ClientContext clientContext,
      GrpcStubCallableFactory callableFactory)
      throws IOException {
    this.callableFactory = callableFactory;
    this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

    GrpcCallSettings<GetTaskRequest, Task> getTaskTransportSettings =
        GrpcCallSettings.<GetTaskRequest, Task>newBuilder()
            .setMethodDescriptor(getTaskMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("name", String.valueOf(request.getName()));
                  return params.build();
                })
            .build();
    GrpcCallSettings<ListTasksRequest, ListTasksResponse> listTasksTransportSettings =
        GrpcCallSettings.<ListTasksRequest, ListTasksResponse>newBuilder()
            .setMethodDescriptor(listTasksMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  ImmutableMap.Builder<String, String> params = ImmutableMap.builder();
                  params.put("parent", String.valueOf(request.getParent()));
                  return params.build();
                })
            .build();

    this.getTaskCallable =
        callableFactory.createUnaryCallable(
            getTaskTransportSettings, settings.getTaskSettings(), clientContext);
    this.listTasksCallable =
        callableFactory.createUnaryCallable(
            listTasksTransportSettings, settings.listTasksSettings(), clientContext);
    this.listTasksPagedCallable =
        callableFactory.createPagedCallable(
            listTasksTransportSettings, settings.listTasksSettings(), clientContext);

    this.backgroundResources =
        new BackgroundResourceAggregation(clientContext.getBackgroundResources());
  }

  public GrpcOperationsStub getOperationsStub() {
    return operationsStub;
  }

  @Override
  public UnaryCallable<GetTaskRequest, Task> getTaskCallable() {
    return getTaskCallable;
  }

  @Override
  public UnaryCallable<ListTasksRequest, ListTasksResponse> listTasksCallable() {
    return listTasksCallable;
  }

  @Override
  public UnaryCallable<ListTasksRequest, ListTasksPagedResponse> listTasksPagedCallable() {
    return listTasksPagedCallable;
  }

  @Override
  public final void close() {
    try {
      backgroundResources.close();
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      throw new IllegalStateException("Failed to close resource", e);
    }
  }

  @Override
  public void shutdown() {
    backgroundResources.shutdown();
  }

  @Override
  public boolean isShutdown() {
    return backgroundResources.isShutdown();
  }

  @Override
  public boolean isTerminated() {
    return backgroundResources.isTerminated();
  }

  @Override
  public void shutdownNow() {
    backgroundResources.shutdownNow();
  }

  @Override
  public boolean awaitTermination(long duration, TimeUnit unit) throws InterruptedException {
    return backgroundResources.awaitTermination(duration, unit);
  }
}