// Copyright (C) 2020 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.replication.pull;

import static com.google.common.truth.Truth.assertThat;

import com.google.gerrit.acceptance.PushOneCommit.Result;
import com.google.gerrit.acceptance.SkipProjectClone;
import com.google.gerrit.acceptance.TestPlugin;
import com.google.gerrit.acceptance.UseLocalDisk;
import com.google.gerrit.acceptance.config.GerritConfig;
import com.google.gerrit.extensions.events.GitReferenceUpdatedListener;
import java.io.IOException;
import java.util.List;
import java.util.Optional;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.transport.ReceiveCommand;
import org.junit.Test;

@SkipProjectClone
@UseLocalDisk
@TestPlugin(
    name = "pull-replication",
    sysModule = "com.googlesource.gerrit.plugins.replication.pull.PullReplicationModule",
    httpModule = "com.googlesource.gerrit.plugins.replication.pull.api.HttpModule")
public class PullReplicationWithGitHttpTransportProtocolIT extends PullReplicationSetupBase {

  @Override
  protected void setReplicationSource(
      String remoteName, List<String> replicaSuffixes, Optional<String> project)
      throws IOException {
    List<String> fetchUrls =
        buildReplicaURLs(replicaSuffixes, s -> adminRestSession.url() + "/${name}" + s + ".git");
    config.setStringList("remote", remoteName, "url", fetchUrls);
    config.setString("remote", remoteName, "apiUrl", adminRestSession.url());
    config.setString("remote", remoteName, "fetch", "+refs/*:refs/*");
    config.setInt("remote", remoteName, "timeout", 600);
    config.setInt("remote", remoteName, "replicationDelay", TEST_REPLICATION_DELAY);
    project.ifPresent(prj -> config.setString("remote", remoteName, "projects", prj));
    config.setBoolean("gerrit", null, "autoReload", true);
    config.save();
  }

  @Override
  public void setUpTestPlugin() throws Exception {
    setUpTestPlugin(false);
  }

  @Test
  @GerritConfig(name = "gerrit.instanceId", value = TEST_REPLICATION_REMOTE)
  public void shouldReplicateWithBasicAuthentication() throws Exception {
    runTest();
  }

  @Test
  @GerritConfig(name = "gerrit.instanceId", value = TEST_REPLICATION_REMOTE)
  @GerritConfig(name = "auth.bearerToken", value = "some-bearer-token")
  public void shouldReplicateWithBearerTokenAuthentication() throws Exception {
    runTest();
  }

  private void runTest() throws Exception {
    testRepo = cloneProject(createTestProject(project + TEST_REPLICATION_SUFFIX));

    Result pushResult = createChange();
    RevCommit sourceCommit = pushResult.getCommit();
    String sourceRef = pushResult.getPatchSet().refName();

    ReplicationQueue pullReplicationQueue = getInstance(ReplicationQueue.class);
    GitReferenceUpdatedListener.Event event =
        new FakeGitReferenceUpdatedEvent(
            project,
            sourceRef,
            ObjectId.zeroId().getName(),
            sourceCommit.getId().getName(),
            ReceiveCommand.Type.CREATE);
    pullReplicationQueue.onGitReferenceUpdated(event);

    try (Repository repo = repoManager.openRepository(project)) {
      waitUntil(() -> checkedGetRef(repo, sourceRef) != null);

      Ref targetBranchRef = getRef(repo, sourceRef);
      assertThat(targetBranchRef).isNotNull();
      assertThat(targetBranchRef.getObjectId()).isEqualTo(sourceCommit.getId());
    }
  }
}