/**
 * Copyright (c) 2010, Sebastian Sdorra
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 3. Neither the name of SCM-Manager; nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * http://bitbucket.org/sdorra/scm-manager
 */


package sonia.scm.it;

//~--- non-JDK imports --------------------------------------------------------

import org.apache.http.HttpStatus;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import sonia.scm.repository.Person;
import sonia.scm.repository.client.api.ClientCommand;
import sonia.scm.repository.client.api.RepositoryClient;
import sonia.scm.repository.client.api.RepositoryClientFactory;
import sonia.scm.web.VndMediaType;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.UUID;

import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.Assert.assertEquals;
import static sonia.scm.it.RegExMatcher.matchesPattern;
import static sonia.scm.it.RestUtil.createResourceUrl;
import static sonia.scm.it.RestUtil.given;
import static sonia.scm.it.ScmTypes.availableScmTypes;
import static sonia.scm.it.TestData.repositoryJson;

@RunWith(Parameterized.class)
public class RepositoriesITCase {

  public static final Person AUTHOR = new Person("SCM Administrator", "scmadmin@scm-manager.org");

  @Rule
  public TemporaryFolder temporaryFolder = new TemporaryFolder();

  private final String repositoryType;

  private String repositoryUrl;

  public RepositoriesITCase(String repositoryType) {
    this.repositoryType = repositoryType;
    this.repositoryUrl = TestData.getDefaultRepositoryUrl(repositoryType);
  }

  @Parameters(name = "{0}")
  public static Collection<String> createParameters() {
    return availableScmTypes();
  }

  @Before
  public void createRepository() {
    TestData.createDefault();
  }

  @Test
  public void shouldCreateSuccessfully() {
    given(VndMediaType.REPOSITORY)

      .when()
      .get(repositoryUrl)

      .then()
      .statusCode(HttpStatus.SC_OK)
      .body(
        "name", equalTo("HeartOfGold-" + repositoryType),
        "type", equalTo(repositoryType),
        "creationDate", matchesPattern("\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d+Z"),
        "lastModified", is(nullValue()),
        "_links.self.href", equalTo(repositoryUrl)
      );
  }

  @Test
  public void shouldDeleteSuccessfully() {
    given(VndMediaType.REPOSITORY)

      .when()
      .delete(repositoryUrl)

      .then()
      .statusCode(HttpStatus.SC_NO_CONTENT);

    given(VndMediaType.REPOSITORY)

      .when()
      .get(repositoryUrl)

      .then()
      .statusCode(HttpStatus.SC_NOT_FOUND);
  }

  @Test
  public void shouldRejectMultipleCreations() {
    String repositoryJson = repositoryJson(repositoryType);
    given(VndMediaType.REPOSITORY)
      .body(repositoryJson)

      .when()
      .post(createResourceUrl("repositories"))

      .then()
      .statusCode(HttpStatus.SC_CONFLICT);
  }

  @Test
  public void shouldCloneRepository() throws IOException {
    RepositoryClient client = createRepositoryClient();
    assertEquals("expected metadata dir", 1, client.getWorkingCopy().list().length);
  }

  @Test
  public void shouldCommitFiles() throws IOException {
    RepositoryClient client = createRepositoryClient();

    for (int i = 0; i < 5; i++) {
      createRandomFile(client);
    }

    commit(client);

    RepositoryClient checkClient = createRepositoryClient();
    assertEquals("expected 5 files and metadata dir", 6, checkClient.getWorkingCopy().list().length);
  }

  private static void createRandomFile(RepositoryClient client) throws IOException {
    String uuid = UUID.randomUUID().toString();
    String name = "file-" + uuid + ".uuid";

    File file = new File(client.getWorkingCopy(), name);
    try (FileOutputStream out = new FileOutputStream(file)) {
      out.write(uuid.getBytes());
    }

    client.getAddCommand().add(name);
  }

  private static void commit(RepositoryClient repositoryClient) throws IOException {
    repositoryClient.getCommitCommand().commit(AUTHOR, "commit");
    if ( repositoryClient.isCommandSupported(ClientCommand.PUSH) ) {
      repositoryClient.getPushCommand().push();
    }
  }

  private RepositoryClient createRepositoryClient() throws IOException {
    RepositoryClientFactory clientFactory = new RepositoryClientFactory();
    String cloneUrl = readCloneUrl();
    return clientFactory.create(repositoryType, cloneUrl, "scmadmin", "scmadmin", temporaryFolder.newFolder());
  }

  private String readCloneUrl() {
    return given(VndMediaType.REPOSITORY)

      .when()
      .get(repositoryUrl)

      .then()
      .extract()
      .path("_links.httpProtocol.href");
  }
}