/*
 * Copyright 2000-2009 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.tasks.actions;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.changes.ChangeListManager;
import com.intellij.openapi.vcs.changes.LocalChangeList;
import com.intellij.tasks.*;
import com.intellij.tasks.impl.TaskManagerImpl;

import java.util.ArrayList;

/**
 * @author Dmitry Avdeev
 */
public class CloseTaskAction extends BaseTaskAction {

  public void actionPerformed(AnActionEvent e) {
    Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
    assert project != null;
    TaskManagerImpl taskManager = (TaskManagerImpl)TaskManager.getManager(project);
    LocalTask task = taskManager.getActiveTask();
    CloseTaskDialog dialog = new CloseTaskDialog(project, task);
    dialog.show();
    if (dialog.isOK()) {
      if (dialog.isCloseIssue()) {
        try {
          TaskRepository repository = task.getRepository();
          assert repository != null;
          repository.setTaskState(task, TaskState.RESOLVED);
        }
        catch (Exception e1) {
          Messages.showErrorDialog(project, e1.getMessage(), "Cannot Resolve Issue");
        }
      }
      if (dialog.isCommitChanges()) {
        ChangeListManager changeListManager = ChangeListManager.getInstance(project);
        for (ChangeListInfo info : task.getChangeLists()) {
          LocalChangeList list = changeListManager.getChangeList(info.id);
          if (list != null) {
            changeListManager.commitChanges(list, new ArrayList<Change>(list.getChanges()));
          }
        }
      }
      if (dialog.isMergeBranch()) {
        taskManager.mergeBranch(task);
      }
    }
  }

  @Override
  public void update(AnActionEvent event) {
    Presentation presentation = event.getPresentation();
    Project project = getProject(event);
    boolean enabled = project != null && !TaskManager.getManager(project).getActiveTask().isDefault();
    presentation.setEnabled(enabled);
  }
}