// Copyright 2017 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.buildtool.buildevent;

import static com.google.devtools.build.lib.util.Preconditions.checkNotNull;

import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.buildeventstream.BuildEvent;
import com.google.devtools.build.lib.buildeventstream.BuildEventConverters;
import com.google.devtools.build.lib.buildeventstream.BuildEventId;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos;
import com.google.devtools.build.lib.buildeventstream.GenericBuildEvent;
import com.google.devtools.build.lib.util.ExitCode;
import java.util.Collection;

/**
 * Event triggered after testing has completed.
 *
 * <p>This event is used by the BEP to construct the {@link BuildEventStreamProtos.BuildFinished}
 * event when the test command is used.
 */
public class TestingCompleteEvent implements BuildEvent {

  private final ExitCode exitCode;
  private final long finishTimeMillis;

  /**
   * Creates a new {@link TestingCompleteEvent}.
   *
   * @param exitCode  the overall exit code of "bazel test".
   * @param finishTimeMillis the finish time in milliseconds since the epoch.
   */
  public TestingCompleteEvent(ExitCode exitCode, long finishTimeMillis) {
    this.exitCode = checkNotNull(exitCode);
    this.finishTimeMillis = finishTimeMillis;
  }

  @Override
  public BuildEventId getEventId() {
    return BuildEventId.buildFinished();
  }

  @Override
  public Collection<BuildEventId> getChildrenEvents() {
    return ImmutableList.of();
  }

  @Override
  public BuildEventStreamProtos.BuildEvent asStreamProto(BuildEventConverters converters) {
    BuildEventStreamProtos.BuildFinished.ExitCode protoExitCode =
        BuildEventStreamProtos.BuildFinished.ExitCode.newBuilder()
            .setName(exitCode.name())
            .setCode(exitCode.getNumericExitCode())
            .build();

    BuildEventStreamProtos.BuildFinished finished =
        BuildEventStreamProtos.BuildFinished.newBuilder()
            .setOverallSuccess(ExitCode.SUCCESS.equals(exitCode))
            .setExitCode(protoExitCode)
            .setFinishTimeMillis(finishTimeMillis)
            .build();
    return GenericBuildEvent.protoChaining(this).setFinished(finished).build();
  }
}