/*
 * SonarQube
 * Copyright (C) 2009-2023 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.ce.task.projectanalysis.issue;

import java.util.Optional;
import org.junit.Before;
import org.junit.Test;
import org.sonar.ce.task.projectanalysis.analysis.AnalysisMetadataHolderRule;
import org.sonar.ce.task.projectanalysis.component.Component;
import org.sonar.ce.task.projectanalysis.component.ReportComponent;
import org.sonar.ce.task.projectanalysis.filemove.MovedFilesRepository;
import org.sonar.core.issue.DefaultIssue;
import org.sonar.core.issue.tracking.Input;
import org.sonar.db.DbClient;
import org.sonar.db.DbSession;
import org.sonar.db.source.FileSourceDao;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class TrackerBaseInputFactoryTest {
  private static final String FILE_UUID = "uuid";
  private static final String DIR_UUID = "dir";
  private static final ReportComponent FILE = ReportComponent.builder(Component.Type.FILE, 1).setUuid(FILE_UUID).build();
  private static final ReportComponent FOLDER = ReportComponent.builder(Component.Type.DIRECTORY, 2).setUuid(DIR_UUID).build();

  @org.junit.Rule
  public AnalysisMetadataHolderRule analysisMetadataHolder = new AnalysisMetadataHolderRule();

  private ComponentIssuesLoader issuesLoader = mock(ComponentIssuesLoader.class);
  private DbClient dbClient = mock(DbClient.class);
  private DbSession dbSession = mock(DbSession.class);
  private FileSourceDao fileSourceDao = mock(FileSourceDao.class);

  private MovedFilesRepository movedFilesRepository = mock(MovedFilesRepository.class);

  private TrackerBaseInputFactory underTest = new TrackerBaseInputFactory(issuesLoader, dbClient, movedFilesRepository);

  @Before
  public void setUp() {
    when(dbClient.openSession(false)).thenReturn(dbSession);
    when(dbClient.fileSourceDao()).thenReturn(fileSourceDao);
    when(movedFilesRepository.getOriginalFile(any(Component.class)))
      .thenReturn(Optional.empty());
  }

  @Test
  public void create_returns_Input_which_retrieves_lines_hashes_of_specified_file_component_when_it_has_no_original_file() {
    underTest.create(FILE).getLineHashSequence();

    verify(fileSourceDao).selectLineHashes(dbSession, FILE_UUID);
  }

  @Test
  public void create_returns_empty_Input_for_folders() {
    Input<DefaultIssue> input = underTest.create(FOLDER);
    assertThat(input.getIssues()).isEmpty();
  }

  @Test
  public void create_returns_Input_which_retrieves_lines_hashes_of_original_file_of_component_when_it_has_one() {
    String originalUuid = "original uuid";

    when(movedFilesRepository.getOriginalFile(FILE)).thenReturn(
      Optional.of(new MovedFilesRepository.OriginalFile(originalUuid, "original key")));

    underTest.create(FILE).getLineHashSequence();

    verify(fileSourceDao).selectLineHashes(dbSession, originalUuid);
    verify(fileSourceDao, times(0)).selectLineHashes(dbSession, FILE_UUID);
  }

  @Test
  public void create_returns_Input_which_retrieves_issues_of_specified_file_component_when_it_has_no_original_file() {
    underTest.create(FILE).getIssues();

    verify(issuesLoader).loadOpenIssues(FILE_UUID);
  }

  @Test
  public void create_returns_Input_which_retrieves_issues_of_original_file_of_component_when_it_has_one() {
    String originalUuid = "original uuid";

    when(movedFilesRepository.getOriginalFile(FILE)).thenReturn(
      Optional.of(new MovedFilesRepository.OriginalFile(originalUuid, "original key")));

    underTest.create(FILE).getIssues();

    verify(issuesLoader).loadOpenIssues(originalUuid);
    verify(issuesLoader, times(0)).loadOpenIssues(FILE_UUID);
  }
}
