// Copyright (C) 2019 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.google.gerrit.server.notedb;

import static com.google.common.truth.Truth.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.verify;

import com.google.gerrit.entities.Change;
import com.google.gerrit.entities.HumanComment;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.config.AllUsersName;
import com.google.gerrit.server.util.time.TimeUtil;
import org.eclipse.jgit.lib.BatchRefUpdate;
import org.eclipse.jgit.lib.ObjectId;
import org.junit.Test;
import org.mockito.ArgumentCaptor;

public class DraftCommentNotesTest extends AbstractChangeNotesTest {

  @Test
  public void createAndPublishCommentInOneAction_runsDraftOperationAsynchronously()
      throws Exception {
    Change c = newChange();
    ChangeUpdate update = newUpdate(c, otherUser);
    update.setPatchSetId(c.currentPatchSetId());
    update.putComment(HumanComment.Status.PUBLISHED, comment(c.currentPatchSetId()));
    update.commit();

    assertThat(newNotes(c).getDraftComments(otherUserId)).isEmpty();
    assertableFanOutExecutor.assertInteractions(1);
  }

  @Test
  public void createAndPublishComment_runsPublishDraftOperationAsynchronously() throws Exception {
    Change c = newChange();
    ChangeUpdate update = newUpdate(c, otherUser);

    update.setPatchSetId(c.currentPatchSetId());
    update.putComment(HumanComment.Status.DRAFT, comment(c.currentPatchSetId()));
    update.commit();
    assertThat(newNotes(c).getDraftComments(otherUserId)).hasSize(1);
    assertableFanOutExecutor.assertInteractions(0);

    update = newUpdate(c, otherUser);
    update.putComment(HumanComment.Status.PUBLISHED, comment(c.currentPatchSetId()));
    update.commit();

    assertThat(newNotes(c).getDraftComments(otherUserId)).isEmpty();
    assertableFanOutExecutor.assertInteractions(1);
  }

  @Test
  public void createAndDeleteDraftComment_runsDraftOperationSynchronously() throws Exception {
    Change c = newChange();

    ChangeUpdate update = newUpdate(c, otherUser);
    update.setPatchSetId(c.currentPatchSetId());
    update.putComment(HumanComment.Status.DRAFT, comment(c.currentPatchSetId()));
    update.commit();

    ChangeNotes notes = newNotes(c);
    assertThat(notes.getDraftComments(otherUserId)).hasSize(1);
    assertableFanOutExecutor.assertInteractions(0);

    update = newUpdate(c, otherUser);
    update.setPatchSetId(c.currentPatchSetId());
    update.deleteComment(comment(c.currentPatchSetId()));
    update.commit();

    notes = newNotes(c);
    assertThat(notes.getDraftComments(otherUserId)).isEmpty();
    assertableFanOutExecutor.assertInteractions(0);
  }

  @Test
  public void createAndPublishCommentInOneAction_firesRefUpdatedDeletion() throws Exception {
    Change c = newChange();
    ChangeUpdate update = newUpdate(c, otherUser);
    update.setPatchSetId(c.currentPatchSetId());
    update.putComment(HumanComment.Status.PUBLISHED, comment(c.currentPatchSetId()));
    update.commit();

    assertThat(newNotes(c).getDraftComments(otherUserId)).isEmpty();

    ArgumentCaptor<AccountState> accountStateCaptor = ArgumentCaptor.forClass(AccountState.class);
    verify(gitReferenceUpdated)
        .fire(any(AllUsersName.class), any(BatchRefUpdate.class), accountStateCaptor.capture());

    assertThat(accountStateCaptor.getValue()).isEqualTo(otherUser.state());
  }

  private HumanComment comment(PatchSet.Id psId) {
    return newComment(
        psId,
        "filename",
        "uuid",
        null,
        0,
        otherUser,
        null,
        TimeUtil.now(),
        "comment",
        (short) 0,
        ObjectId.fromString("abcd1234abcd1234abcd1234abcd1234abcd1234"),
        false);
  }
}