/*
 * Copyright 2000-2013 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 com.intellij.vcs.log.ui.actions;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.vcs.log.VcsLog;
import com.intellij.vcs.log.VcsLogDataKeys;
import com.intellij.vcs.log.VcsLogUi;
import com.intellij.vcs.log.impl.VcsGoToRefComparator;
import com.intellij.vcs.log.impl.VcsLogUtil;
import com.intellij.vcs.log.ui.AbstractVcsLogUi;

import java.util.Set;

public class GoToHashOrRefAction extends DumbAwareAction {

  @Override
  public void actionPerformed(AnActionEvent e) {
    VcsLogUtil.triggerUsage(e);

    Project project = e.getRequiredData(CommonDataKeys.PROJECT);
    VcsLog log = e.getRequiredData(VcsLogDataKeys.VCS_LOG);
    VcsLogUi ui = e.getRequiredData(VcsLogDataKeys.VCS_LOG_UI);
    assert ui instanceof AbstractVcsLogUi;
    AbstractVcsLogUi logUi = (AbstractVcsLogUi)ui;

    Set<VirtualFile> visibleRoots = VcsLogUtil.getVisibleRoots(logUi);
    GoToHashOrRefPopup popup =
      new GoToHashOrRefPopup(project, logUi.getDataPack().getRefs(), visibleRoots, log::jumpToReference,
                             vcsRef -> logUi.jumpToCommit(vcsRef.getCommitHash(), vcsRef.getRoot()),
                             logUi.getColorManager(),
                             new VcsGoToRefComparator(logUi.getDataPack().getLogProviders()));
    popup.show(logUi.getTable());
  }

  @Override
  public void update(AnActionEvent e) {
    VcsLog log = e.getData(VcsLogDataKeys.VCS_LOG);
    VcsLogUi logUi = e.getData(VcsLogDataKeys.VCS_LOG_UI);
    e.getPresentation().setEnabledAndVisible(e.getProject() != null && log != null && logUi != null && logUi instanceof AbstractVcsLogUi);
  }
}
