package jetbrains.buildServer.buildTriggers.vcs.mercurial.command;

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

/**
 * @author pavel
 */
public class BaseCommand {
  private Settings mySettings;
  private String myWorkDirectory;

  public BaseCommand(@NotNull final Settings settings) {
    mySettings = settings;
    myWorkDirectory = settings.getLocalRepositoryDir().getAbsolutePath();
  }

  public Settings getSettings() {
    return mySettings;
  }

  /**
   * Sets new working directory, by default working directory is taken from the Settings#getLocalRepositoryDir
   * @param workDirectory work dir
   */
  public void setWorkDirectory(final String workDirectory) {
    myWorkDirectory = workDirectory;
  }

  protected GeneralCommandLine createCommandLine() {
    GeneralCommandLine cli = new GeneralCommandLine();
    cli.setExePath(getSettings().getHgCommandPath());
    cli.setWorkDirectory(myWorkDirectory);
    return cli;
  }

  protected ExecResult runCommand(@NotNull GeneralCommandLine cli) throws VcsException {
    return CommandUtil.runCommand(cli);
  }

  protected ExecResult runCommand(@NotNull GeneralCommandLine cli, int executionTimeout) throws VcsException {
    return CommandUtil.runCommand(cli, executionTimeout);
  }

  protected void failIfNotEmptyStdErr(@NotNull GeneralCommandLine cli, @NotNull ExecResult res) throws VcsException {
    if (!StringUtil.isEmpty(res.getStderr())) {
      CommandUtil.commandFailed(cli.getCommandLineString(), res);
    }
  }
}