/*
 * Copyright 2000-2011 JetBrains s.r.o.
 *
 * 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 jetbrains.buildServer.buildTriggers.vcs.mercurial.command;

import com.intellij.execution.configurations.GeneralCommandLine;
import jetbrains.buildServer.ExecResult;
import jetbrains.buildServer.vcs.VcsException;
import org.jetbrains.annotations.NotNull;

import java.io.File;

public class CloneCommand extends VcsRootCommand {
  private String myToId;
  private boolean myUpdateWorkingDir = true;
  private String myRepository;
  private File myWorkingDir;
  private boolean myUsePullProtocol = true;

  public CloneCommand(@NotNull Settings settings, @NotNull File workingDir) {
    super(settings, workingDir);
    myWorkingDir = workingDir;
    myRepository = getSettings().getRepositoryUrl();
  }

  /**
   * Sets repository to clone, by default uses repository from the specified settings
   * @param repo repository path
   */
  public void setRepository(@NotNull String repo) {
    myRepository = repo;
  }

  public void setToId(final String toId) {
    myToId = toId;
  }

  public void setUpdateWorkingDir(final boolean updateWorkingDir) {
    myUpdateWorkingDir = updateWorkingDir;
  }

  public void setUsePullProtocol(boolean usePullProtocol) {
    myUsePullProtocol = usePullProtocol;
  }

  public void execute() throws VcsException {
    GeneralCommandLine cli = createCommandLine();
    File parent = myWorkingDir.getParentFile();
    cli.setWorkDirectory(parent.getAbsolutePath());
    cli.addParameter("clone");
    if (myToId != null) {
      cli.addParameter("-r");
      cli.addParameter(myToId);
    }
    if (myUsePullProtocol)
      cli.addParameter("--pull");
    if (!myUpdateWorkingDir) {
      cli.addParameter("-U");
    }
    if (getSettings().isUncompressedTransfer()) {
      cli.addParameter("--uncompressed");
    }
    cli.addParameter(myRepository);
    cli.addParameter(myWorkingDir.getName());

    ExecResult res = runCommand(cli, 24*3600); // some repositories are quite large, we set timeout to 24 hours
  }
}