package org.jetbrains.idea.svn.api;

import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vcs.VcsException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.SvnVcs;
import org.jetbrains.idea.svn.WorkingCopyFormat;
import org.jetbrains.idea.svn.commandLine.SvnBindException;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.wc.ISVNEventHandler;
import org.tmatesoft.svn.core.wc.SVNEvent;
import org.tmatesoft.svn.core.wc.SVNEventAction;
import org.tmatesoft.svn.core.wc2.SvnTarget;

import java.io.File;
import java.util.Collection;

/**
 * @author Konstantin Kolosovsky.
 */
public abstract class BaseSvnClient implements SvnClient {
  protected SvnVcs myVcs;
  protected ClientFactory myFactory;

  @NotNull
  @Override
  public SvnVcs getVcs() {
    return myVcs;
  }

  @Override
  public void setVcs(@NotNull SvnVcs vcs) {
    myVcs = vcs;
  }

  @NotNull
  @Override
  public ClientFactory getFactory() {
    return myFactory;
  }

  @Override
  public void setFactory(@NotNull ClientFactory factory) {
    myFactory = factory;
  }

  protected void assertUrl(@NotNull SvnTarget target) {
    if (!target.isURL()) {
      throw new IllegalArgumentException("Target should be url " + target);
    }
  }

  protected void assertFile(@NotNull SvnTarget target) {
    if (!target.isFile()) {
      throw new IllegalArgumentException("Target should be file " + target);
    }
  }

  protected void validateFormat(@NotNull WorkingCopyFormat format, @NotNull Collection<WorkingCopyFormat> supported) throws VcsException {
    if (!supported.contains(format)) {
      throw new VcsException(
        String.format("%s format is not supported. Supported formats are: %s.", format.getName(), StringUtil.join(supported, ",")));
    }
  }

  protected static void callHandler(@Nullable ISVNEventHandler handler, @NotNull SVNEvent event) throws VcsException {
    if (handler != null) {
      try {
        handler.handleEvent(event, 0);
      }
      catch (SVNException e) {
        throw new SvnBindException(e);
      }
    }
  }

  @NotNull
  protected static SVNEvent createEvent(@NotNull File path, @Nullable SVNEventAction action) {
    return new SVNEvent(path, null, null, 0, null, null, null, null, action, null, null, null, null, null, null);
  }
}