/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package sonia.scm.api.v2.resources;

import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.ThreadContext;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import sonia.scm.BasicContextProvider;
import sonia.scm.config.ScmConfiguration;
import sonia.scm.security.AnonymousMode;

import java.net.URI;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;
import static sonia.scm.SCMContext.USER_ANONYMOUS;

@ExtendWith(MockitoExtension.class)
class IndexDtoGeneratorTest {

  private static final ScmPathInfo scmPathInfo = () -> URI.create("/api/v2");

  @Mock
  private ScmConfiguration configuration;
  @Mock
  private BasicContextProvider contextProvider;
  @Mock
  private ResourceLinks resourceLinks;

  @Mock
  private Subject subject;

  @InjectMocks
  private IndexDtoGenerator generator;

  @BeforeEach
  void bindSubject() {
    ThreadContext.bind(subject);
  }

  @AfterEach
  void tearDownSubject() {
    ThreadContext.unbindSubject();
  }

  @Test
  void shouldAppendMeIfAuthenticated() {
    mockSubjectRelatedResourceLinks();
    when(subject.isAuthenticated()).thenReturn(true);

    when(contextProvider.getVersion()).thenReturn("2.x");

    IndexDto dto = generator.generate();

    assertThat(dto.getLinks().getLinkBy("me")).isPresent();
  }

  @Test
  void shouldNotAppendMeIfUserIsAuthenticatedButAnonymous() {
    mockResourceLinks();
    when(subject.getPrincipal()).thenReturn(USER_ANONYMOUS);
    when(subject.isAuthenticated()).thenReturn(true);

    IndexDto dto = generator.generate();

    assertThat(dto.getLinks().getLinkBy("me")).isNotPresent();
  }

  @Test
  void shouldAppendMeIfUserIsAnonymousAndAnonymousModeIsFullEnabled() {
    mockSubjectRelatedResourceLinks();
    when(subject.getPrincipal()).thenReturn(USER_ANONYMOUS);
    when(subject.isAuthenticated()).thenReturn(true);
    when(configuration.getAnonymousMode()).thenReturn(AnonymousMode.FULL);

    IndexDto dto = generator.generate();

    assertThat(dto.getLinks().getLinkBy("me")).isPresent();
  }

  @Test
  void shouldNotAppendMeIfUserIsAnonymousAndAnonymousModeIsProtocolOnly() {
    mockResourceLinks();
    when(subject.getPrincipal()).thenReturn(USER_ANONYMOUS);
    when(subject.isAuthenticated()).thenReturn(true);
    when(configuration.getAnonymousMode()).thenReturn(AnonymousMode.PROTOCOL_ONLY);

    IndexDto dto = generator.generate();

    assertThat(dto.getLinks().getLinkBy("me")).isNotPresent();
  }


  private void mockResourceLinks() {
    when(resourceLinks.index()).thenReturn(new ResourceLinks.IndexLinks(scmPathInfo));
    when(resourceLinks.uiPluginCollection()).thenReturn(new ResourceLinks.UIPluginCollectionLinks(scmPathInfo));
    when(resourceLinks.authentication()).thenReturn(new ResourceLinks.AuthenticationLinks(scmPathInfo));
  }

  private void mockSubjectRelatedResourceLinks() {
    mockResourceLinks();
    when(resourceLinks.repositoryCollection()).thenReturn(new ResourceLinks.RepositoryCollectionLinks(scmPathInfo));
    when(resourceLinks.repositoryVerbs()).thenReturn(new ResourceLinks.RepositoryVerbLinks(scmPathInfo));
    when(resourceLinks.repositoryTypeCollection()).thenReturn(new ResourceLinks.RepositoryTypeCollectionLinks(scmPathInfo));
    when(resourceLinks.repositoryRoleCollection()).thenReturn(new ResourceLinks.RepositoryRoleCollectionLinks(scmPathInfo));
    when(resourceLinks.namespaceStrategies()).thenReturn(new ResourceLinks.NamespaceStrategiesLinks(scmPathInfo));
    when(resourceLinks.namespaceCollection()).thenReturn(new ResourceLinks.NamespaceCollectionLinks(scmPathInfo));
    when(resourceLinks.me()).thenReturn(new ResourceLinks.MeLinks(scmPathInfo, new ResourceLinks.UserLinks(scmPathInfo)));
    when(resourceLinks.repository()).thenReturn(new ResourceLinks.RepositoryLinks(scmPathInfo));
  }
}
