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/*
 * Copyright 2024 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.retail.v2alpha.stub;

import com.google.api.core.BetaApi;
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.RequestParamsBuilder;
import com.google.api.gax.rpc.UnaryCallable;
import com.google.cloud.retail.v2alpha.Branch;
import com.google.cloud.retail.v2alpha.GetBranchRequest;
import com.google.cloud.retail.v2alpha.ListBranchesRequest;
import com.google.cloud.retail.v2alpha.ListBranchesResponse;
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 BranchService service API.
 *
 * This class is for advanced usage and reflects the underlying API directly.
 */
@BetaApi
@Generated("by gapic-generator-java")
public class GrpcBranchServiceStub extends BranchServiceStub {
  private static final MethodDescriptor
      listBranchesMethodDescriptor =
          MethodDescriptor.newBuilder()
              .setType(MethodDescriptor.MethodType.UNARY)
              .setFullMethodName("google.cloud.retail.v2alpha.BranchService/ListBranches")
              .setRequestMarshaller(ProtoUtils.marshaller(ListBranchesRequest.getDefaultInstance()))
              .setResponseMarshaller(
                  ProtoUtils.marshaller(ListBranchesResponse.getDefaultInstance()))
              .build();

  private static final MethodDescriptor getBranchMethodDescriptor =
      MethodDescriptor.newBuilder()
          .setType(MethodDescriptor.MethodType.UNARY)
          .setFullMethodName("google.cloud.retail.v2alpha.BranchService/GetBranch")
          .setRequestMarshaller(ProtoUtils.marshaller(GetBranchRequest.getDefaultInstance()))
          .setResponseMarshaller(ProtoUtils.marshaller(Branch.getDefaultInstance()))
          .build();

  private final UnaryCallable listBranchesCallable;
  private final UnaryCallable getBranchCallable;

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

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

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

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

  /**
   * Constructs an instance of GrpcBranchServiceStub, 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 GrpcBranchServiceStub(BranchServiceStubSettings settings, ClientContext clientContext)
      throws IOException {
    this(settings, clientContext, new GrpcBranchServiceCallableFactory());
  }

  /**
   * Constructs an instance of GrpcBranchServiceStub, 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 GrpcBranchServiceStub(
      BranchServiceStubSettings settings,
      ClientContext clientContext,
      GrpcStubCallableFactory callableFactory)
      throws IOException {
    this.callableFactory = callableFactory;
    this.operationsStub = GrpcOperationsStub.create(clientContext, callableFactory);

    GrpcCallSettings listBranchesTransportSettings =
        GrpcCallSettings.newBuilder()
            .setMethodDescriptor(listBranchesMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  RequestParamsBuilder builder = RequestParamsBuilder.create();
                  builder.add("parent", String.valueOf(request.getParent()));
                  return builder.build();
                })
            .build();
    GrpcCallSettings getBranchTransportSettings =
        GrpcCallSettings.newBuilder()
            .setMethodDescriptor(getBranchMethodDescriptor)
            .setParamsExtractor(
                request -> {
                  RequestParamsBuilder builder = RequestParamsBuilder.create();
                  builder.add("name", String.valueOf(request.getName()));
                  return builder.build();
                })
            .build();

    this.listBranchesCallable =
        callableFactory.createUnaryCallable(
            listBranchesTransportSettings, settings.listBranchesSettings(), clientContext);
    this.getBranchCallable =
        callableFactory.createUnaryCallable(
            getBranchTransportSettings, settings.getBranchSettings(), clientContext);

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

  public GrpcOperationsStub getOperationsStub() {
    return operationsStub;
  }

  @Override
  public UnaryCallable listBranchesCallable() {
    return listBranchesCallable;
  }

  @Override
  public UnaryCallable getBranchCallable() {
    return getBranchCallable;
  }

  @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);
  }
}