/*
 * Copyright (c) 2007-2009, Osmorc Development Team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright notice, this list
 *       of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this
 *       list of conditions and the following disclaimer in the documentation and/or other
 *       materials provided with the distribution.
 *     * Neither the name of 'Osmorc Development Team' nor the names of its contributors may be
 *       used to endorse or promote products derived from this software without specific
 *       prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.osmorc;

import com.intellij.facet.Facet;
import com.intellij.facet.FacetManager;
import com.intellij.facet.FacetManagerAdapter;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.project.ProjectManagerListener;
import com.intellij.openapi.startup.StartupActivity;
import com.intellij.util.messages.MessageBusConnection;
import org.jetbrains.annotations.NotNull;
import org.osmorc.facet.OsmorcFacetType;
import org.osmorc.impl.AdditionalJARContentsWatcherManager;

/**
 * @author <a href="mailto:robert@beeger.net">Robert F. Beeger</a>
 */
public class OsmorcPostStartupActivity implements StartupActivity {
  private static void handleFacetChange(@NotNull Facet facet, @NotNull Project project) {
    if (facet.getTypeId() != OsmorcFacetType.ID) {
      return;
    }

    for (Module module : ModuleManager.getInstance(project).getModules()) {
      AdditionalJARContentsWatcherManager.getInstance(module).updateWatcherSetup();
    }
  }

  @Override
  public void runActivity(@NotNull Project project) {
    if (project.isDefault()) {
      return;
    }

    MessageBusConnection connection = project.getMessageBus().connect();
    connection.subscribe(FacetManager.FACETS_TOPIC, new FacetManagerAdapter() {
      @Override
      public void facetAdded(@NotNull Facet facet) {
        handleFacetChange(facet, project);
      }

      @Override
      public void facetConfigurationChanged(@NotNull Facet facet) {
        handleFacetChange(facet, project);
      }
    });

    connection.subscribe(ProjectManager.TOPIC, new ProjectManagerListener() {
      @Override
      public void projectClosing(Project project) {
        for (Module module : ModuleManager.getInstance(project).getModules()) {
          AdditionalJARContentsWatcherManager.getInstance(module).cleanup();
        }
      }
    });
  }
}