/**
    * Copyright (C) 2008 Atlassian
    * 
    * 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.atlassian.theplugin.idea;
  
  import com.atlassian.theplugin.commons.SchedulableChecker;
  import com.atlassian.theplugin.commons.cfg.CfgManager;
  import com.atlassian.theplugin.commons.cfg.ConfigurationListener;
  import com.atlassian.theplugin.commons.cfg.ProjectConfiguration;
  import com.atlassian.theplugin.commons.configuration.ConfigurationFactory;
  import com.atlassian.theplugin.commons.configuration.PluginConfigurationBean;
  import com.atlassian.theplugin.commons.util.LoggerImpl;
  import com.atlassian.theplugin.idea.autoupdate.NewVersionChecker;
  import com.atlassian.theplugin.idea.config.ConfigPanel;
  import com.atlassian.theplugin.util.HttpConfigurableIdeaImpl;
  import com.atlassian.theplugin.util.PicoUtil;
  import com.atlassian.theplugin.util.PluginSSLProtocolSocketFactory;
  import com.intellij.openapi.components.ApplicationComponent;
  import com.intellij.openapi.components.PersistentStateComponent;
  import com.intellij.openapi.components.State;
  import com.intellij.openapi.components.Storage;
  import com.intellij.openapi.extensions.AreaPicoContainer;
  import com.intellij.openapi.extensions.Extensions;
  import com.intellij.openapi.options.Configurable;
  import com.intellij.openapi.options.ConfigurationException;
  import com.intellij.openapi.util.IconLoader;
  import org.jetbrains.annotations.Nls;
  import org.jetbrains.annotations.NonNls;
  import org.jetbrains.annotations.NotNull;
  import org.jetbrains.annotations.Nullable;
  
  import javax.swing.*;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.Iterator;
  import java.util.Timer;
  import java.util.TimerTask;
  
  @State(name = "atlassian-ide-plugin",
  		storages = { @Storage(id = "atlassian-ide-plugin-id", file = "$APP_CONFIG$/atlassian-ide-plugin.app.xml") })
  public class ThePluginApplicationComponent
  		implements ApplicationComponent, Configurable, PersistentStateComponent<PluginConfigurationBean>,
  		ConfigurationListener {
  
  	static {
  		AreaPicoContainer apc = Extensions.getRootArea().getPicoContainer();
  		PicoUtil.populateGlobalPicoContainer(apc);
  	}
  
  	private static final Icon PLUGIN_SETTINGS_ICON = IconLoader.getIcon("/icons/ico_plugin.png");
  
  
  	private ConfigPanel configPanel;
  	private final PluginConfigurationBean configuration;
  	private final CfgManager cfgManager;
  
  	private final Timer timer = new Timer("atlassian-idea-plugin background status checkers");
  	private static final int TIMER_START_DELAY = 20000;
  
  	private final Collection<TimerTask> scheduledComponents = new HashSet<TimerTask>();
  
  	public Collection<SchedulableChecker> getSchedulableCheckers() {
  		return schedulableCheckers;
  	}
  
  	private final Collection<SchedulableChecker> schedulableCheckers = new HashSet<SchedulableChecker>();
  
  
  	public ThePluginApplicationComponent(PluginConfigurationBean configuration, CfgManager cfgManager) {
  		this.configuration = configuration;
  		this.cfgManager = cfgManager;
  		this.configuration.transientSetHttpConfigurable(HttpConfigurableIdeaImpl.getInstance());
  
  		this.schedulableCheckers.add(NewVersionChecker.getInstance(configuration));
  
  		ConfigurationFactory.setConfiguration(configuration);
  		PluginSSLProtocolSocketFactory.initializeSocketFactory();
  	}
  
  	@Nls
  	public String getDisplayName() {
  		return "Atlassian Plugin\nGlobal Settings";
  	}
  
  	@Nullable
  	public Icon getIcon() {
 		return PLUGIN_SETTINGS_ICON;
 	}
 
 	@Nullable
 	@NonNls
 	public String getHelpTopic() {
 		return null;
 	}
 
 
 	@NotNull
 	@NonNls
 	public String getComponentName() {
 		return "ThePluginApplicationComponent";
 	}
 
 	public void initComponent() {
 		new IdeaLoggerImpl(com.intellij.openapi.diagnostic.Logger.getInstance(LoggerImpl.LOGGER_CATEGORY));
 	}
 
 	public void disposeComponent() {
 		timer.cancel();
 	}
 
 	public JComponent createComponent() {
 		if (configPanel == null) {
 			configPanel = new ConfigPanel(configuration, cfgManager);
 		}
 		return configPanel;
 	}
 
 	public boolean isModified() {
 		return configPanel.isModified();
 	}
 
 	private void disableTimers() {
 		Iterator<TimerTask> i = scheduledComponents.iterator();
 		while (i.hasNext()) {
 			TimerTask timerTask = i.next();
 			i.remove();
 			timerTask.cancel();
 		}
 
 		timer.purge();
 	}
 
 	/**
 	 * Reschedule the BambooStatusChecker with immediate execution trigger.
 	 *
 	 * @param rightNow set to false if the first execution should be delayed by {@link #TIMER_START_DELAY}.
 	 */
 	public void rescheduleStatusCheckers(boolean rightNow) {
 
 		disableTimers();
 		long delay = rightNow ? 0 : TIMER_START_DELAY;
 
 		for (SchedulableChecker checker : schedulableCheckers) {
 			if (checker.canSchedule()) {
 				final TimerTask newTask = checker.newTimerTask();
 				scheduledComponents.add(newTask);
 				timer.schedule(newTask, delay, checker.getInterval());
 			} else {
 				checker.resetListenersState();
 			}
 		}
 	}
 
 
 
 	public void apply() throws ConfigurationException {
 		if (configPanel != null) {
 			// Get data from configPanel to component
 			configPanel.saveData();
 			//configPanel.setData();
 
 //			for (Project project : ProjectManager.getInstance().getOpenProjects()) {
 //				ThePluginProjectComponent projectComponent = project.getComponent(ThePluginProjectComponent.class);
 //				// show icons if necessary
 //				projectComponent.getStatusBarBambooIcon().showOrHideIcon();
 //				projectComponent.getStatusBarCrucibleIcon().showOrHideIcon();
 //
 //				projectComponent.getToolWindow().showHidePanels();
 //			}
 			rescheduleStatusCheckers(true);
 		}
 
 	}
 
 	public void reset() {
 		if (configPanel != null) {
 			// Reset configPanel data from component
 			configPanel.setData();
 		}
 	}
 
 	public void disposeUIResources() {
 		configPanel = null;
 	}
 
 	public PluginConfigurationBean getState() {
 		return configuration;
 	}
 
 	public void loadState(PluginConfigurationBean state) {
 		configuration.setConfiguration(state);
 		configuration.transientSetHttpConfigurable(HttpConfigurableIdeaImpl.getInstance());
 	}
 
 	public void configurationUpdated(final ProjectConfiguration aProjectConfiguration) {
 		rescheduleStatusCheckers(true);
 	}
 
 	public void projectUnregistered() {
 	}
 }