/*
 * 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.settings;

import com.intellij.openapi.components.PersistentStateComponent;
import com.intellij.openapi.components.ServiceManager;
import com.intellij.openapi.components.State;
import com.intellij.openapi.components.Storage;
import com.intellij.util.EventDispatcher;
import com.intellij.util.xmlb.XmlSerializerUtil;
import com.intellij.util.xmlb.annotations.AbstractCollection;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.TestOnly;
import org.osmorc.frameworkintegration.FrameworkInstanceDefinition;
import org.osmorc.frameworkintegration.LibraryBundlificationRule;

import java.util.ArrayList;
import java.util.EventListener;
import java.util.List;

/**
 * Application wide settings which apply to all Osmorc driven projects.
 *
 * @author Robert F. Beeger (robert@beeger.net)
 * @author <a href="mailto:janthomae@janthomae.de">Jan Thomä</a>
 */
@State(
  name = "Osmorc",
  storages = {@Storage(
    file = "$APP_CONFIG$/osmorc.xml")})
public class ApplicationSettings implements PersistentStateComponent<ApplicationSettings> {
  private List<FrameworkInstanceDefinition> _frameworkInstanceDefinitions = new ArrayList<FrameworkInstanceDefinition>();
  private List<LibraryBundlificationRule> _libraryBundlificationRules = new ArrayList<LibraryBundlificationRule>();
  private EventDispatcher<ApplicationSettingsListener> dispatcher = EventDispatcher.create(ApplicationSettingsListener.class);


  public static ApplicationSettings getInstance() {
    return ServiceManager.getService(ApplicationSettings.class);
  }

  public ApplicationSettings() {
    _libraryBundlificationRules.add(new LibraryBundlificationRule());
  }

  public ApplicationSettings getState() {
    return this;
  }

  public void loadState(ApplicationSettings state) {
    XmlSerializerUtil.copyBean(state, this);
  }

  @TestOnly
  public void addFrameworkInstanceDefinition(FrameworkInstanceDefinition frameworkInstanceDefinition) {
    _frameworkInstanceDefinitions.add(frameworkInstanceDefinition);
  }

  public
  @Nullable
  FrameworkInstanceDefinition getFrameworkInstance(@Nullable String name) {
    if (name != null) {
      for (FrameworkInstanceDefinition frameworkInstanceDefinition : _frameworkInstanceDefinitions) {
        if (name.equals(frameworkInstanceDefinition.getName())) {
          return frameworkInstanceDefinition;
        }
      }
    }
    return null;
  }

  @AbstractCollection(elementTag = "frameworkDefinition")
  public List<FrameworkInstanceDefinition> getFrameworkInstanceDefinitions() {
    return _frameworkInstanceDefinitions;
  }

  @AbstractCollection(elementTag = "libraryBundlificationRule")
  public List<LibraryBundlificationRule> getLibraryBundlificationRules() {
    return _libraryBundlificationRules;
  }

  public void setFrameworkInstanceDefinitions(List<FrameworkInstanceDefinition> frameworkInstanceDefinitions) {
    _frameworkInstanceDefinitions = frameworkInstanceDefinitions;
    dispatcher.getMulticaster().frameworkInstancesChanged();
  }

  public void setLibraryBundlificationRules(List<LibraryBundlificationRule> libraryBundlificationRules) {
    _libraryBundlificationRules = libraryBundlificationRules;
  }

  public void addApplicationSettingsListener(ApplicationSettingsListener listener) {
    dispatcher.addListener(listener);
  }

  public void removeApplicationSettingsListener(ApplicationSettingsListener listener) {
    dispatcher.removeListener(listener);
  }

  public interface ApplicationSettingsListener extends EventListener {
    void frameworkInstancesChanged();
  }


}