/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

package com.nokia.carbide.cpp.pi.memory;

import java.io.File;

import java.util.ArrayList;

import java.util.Hashtable;

import org.eclipse.jface.action.Action;

import org.eclipse.jface.action.MenuManager;

import org.eclipse.jface.action.Separator;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.swt.widgets.Display;

import org.eclipse.swt.widgets.Event;

import org.osgi.framework.BundleContext;

import com.nokia.carbide.cpp.internal.pi.analyser.NpiInstanceRepository;

import com.nokia.carbide.cpp.internal.pi.analyser.ProfileVisualiser;

import com.nokia.carbide.cpp.internal.pi.memory.actions.MemoryStatisticsDialog;

import com.nokia.carbide.cpp.internal.pi.model.GenericTrace;

import com.nokia.carbide.cpp.internal.pi.model.ParsedTraceData;

import com.nokia.carbide.cpp.internal.pi.plugin.model.AbstractPiPlugin;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IClassReplacer;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IEventListener;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IReportable;

import com.nokia.carbide.cpp.internal.pi.plugin.model.ITrace;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IViewMenu;

import com.nokia.carbide.cpp.internal.pi.plugin.model.IVisualizable;

import com.nokia.carbide.cpp.internal.pi.visual.GenericTraceGraph;

import com.nokia.carbide.cpp.internal.pi.visual.GraphDrawRequest;

import com.nokia.carbide.cpp.internal.pi.visual.PIEvent;

import com.nokia.carbide.cpp.pi.editors.PIPageEditor;

/**

 * The main plugin class to be used in the desktop.

 */

public class MemoryPlugin extends AbstractPiPlugin

	implements IViewMenu, ITrace, IClassReplacer, IVisualizable, IEventListener, IReportable

{

	private static final String HELP_CONTEXT_ID = PIPageEditor.PI_ID + ".memory";  //$NON-NLS-1$

	// There will be 1 graph for editor page 0

	// This code may assume that page 0 has the threads graph

	private final static int GRAPH_COUNT = 3;

	//The shared instance.

	private static MemoryPlugin plugin;

	// version number of profiler

	private static void setPlugin(MemoryPlugin newPlugin)

	{

		plugin = newPlugin;

	}

	/**

	 * The constructor.

	 */

	public MemoryPlugin() {

		super();

		setPlugin(this);

	}

	/**

	 * This method is called upon plug-in activation

	 */

	public void start(BundleContext context) throws Exception {

		super.start(context);

	}

	/**

	 * This method is called when the plug-in is stopped

	 */

	public void stop(BundleContext context) throws Exception {

		super.stop(context);

		setPlugin(null);

	}

	/**

	 * Returns the shared instance.

	 */

	public static MemoryPlugin getDefault() {

		return plugin;

	}

	/**

	 * Returns an image descriptor for the image file at the given

	 * plug-in relative path.

	 *

	 * @param path the path

	 * @return the image descriptor

	 */

	public static ImageDescriptor getImageDescriptor(String path) {

		return AbstractPiPlugin.imageDescriptorFromPlugin("com.nokia.carbide.cpp.pi.memory", path); //$NON-NLS-1$

	}

	public Class getTraceClass() 

	{

		return MemTrace.class;

	}

	public Class getReplacedClass(String className)

	{

		if (   className.indexOf("com.nokia.carbide.cpp.pi.memory.MemTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("com.nokia.carbide.pi.memory.MemTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("fi.vtt.bappea.model.MemTrace") != -1 //$NON-NLS-1$

			|| className.indexOf("fi.vtt.bappea.memTracePlugin.MemTrace") != -1) //$NON-NLS-1$

		{

			return MemTrace.class;

		}

		else if (   className.indexOf("com.nokia.carbide.cpp.pi.memory.MemSample") != -1 //$NON-NLS-1$

				 || className.indexOf("com.nokia.carbide.pi.memory.MemSample") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.model.MemSample") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.memTracePlugin.MemSample") != -1) //$NON-NLS-1$

		{

			return MemSample.class;

		}

		else if (   className.indexOf("[Lcom.nokia.carbide.cpp.pi.memory.MemThread") != -1 //$NON-NLS-1$

				 || className.indexOf("[Lcom.nokia.carbide.pi.memory.MemThread") != -1 //$NON-NLS-1$

				 || className.indexOf("[Lfi.vtt.bappea.model.MemThread;") != -1 //$NON-NLS-1$

				 || className.indexOf("[Lfi.vtt.bappea.memTracePlugin.MemThread") != -1) //$NON-NLS-1$

		{

			return MemThread[].class;

		}

		else if (   className.indexOf("com.nokia.carbide.cpp.pi.memory.MemThread") != -1 //$NON-NLS-1$

				 || className.indexOf("com.nokia.carbide.pi.memory.MemThread") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.model.MemThread") != -1 //$NON-NLS-1$

				 || className.indexOf("fi.vtt.bappea.memTracePlugin.MemThread") != -1) //$NON-NLS-1$

		{

			return MemThread.class;

		}

		else

			return null;

	}

	public void initialiseTrace(GenericTrace trace) 

	{

		if (!(trace instanceof MemTrace))

			return;

		MemTrace memTrace = (MemTrace)trace;

		/*if(!profilerVersion.equalsIgnoreCase("")) {

	        // set version, needed by mem trace graph to support event based trace data

			// convert version number from string to double

			int versionNumber = convertVersionStringToInt(profilerVersion);

			memTrace.setVersion(versionNumber);

		} */

		NpiInstanceRepository.getInstance().activeUidAddTrace("com.nokia.carbide.cpp.pi.memory", trace); //$NON-NLS-1$

		memTrace.gatherDrawData();

	  	System.out.println(Messages.getString("MemoryPlugin.traceProcessed")); //$NON-NLS-1$

	}

	public String getTraceName() {

		return "Memory"; //$NON-NLS-1$

	}

	public int getTraceId() {

		return 4;

	}

	public ParsedTraceData parseTraceFile(File file) throws Exception 

	{

		ParsedTraceData traceData = null;

		try

        {

            MemTraceParser memParser = new MemTraceParser();

            traceData = memParser.parse(file);

            //the profiler version data is stored in mem trace parser

            //profilerVersion = memParser.getProfilerVersion();

            return traceData;

        } catch (Exception e)

        {

            e.printStackTrace();

            throw e;

        }

	}

	public MenuManager getViewOptionManager() {

		if (NpiInstanceRepository.getInstance().activeUidGetTrace("com.nokia.carbide.cpp.pi.memory") == null) //$NON-NLS-1$

			return null;	// no trace, so no MenuManager

		boolean showChunk  = true;

		boolean showHeapStack = true;

		// if there is a showChunk value associated with the current Analyser tab, then use it

		Object obj;

		obj = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.memory.showChunk");	//$NON-NLS-1$

		if ((obj != null) && (obj instanceof Boolean))

			// retrieve the current value

			showChunk = (Boolean)obj;

		else

			// set the initial value

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showChunk", showChunk);	//$NON-NLS-1$

		// if there is a showHeapStack value associated with the current Analyser tab, then use it

		obj = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.memory.showHeapStack"); //$NON-NLS-1$

		if ((obj != null) && (obj instanceof Boolean))

			// retrieve the current value

			showHeapStack = (Boolean)obj;

		else

			// set the initial value

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showHeapStack", showHeapStack); //$NON-NLS-1$

		Action action;

		MenuManager manager = new MenuManager(Messages.getString("MemoryPlugin.memoryGraph")); //$NON-NLS-1$

		action = new Action(Messages.getString("MemoryPlugin.memoryStats"), Action.AS_PUSH_BUTTON) { //$NON-NLS-1$

			public void run() {

				new MemoryStatisticsDialog(Display.getCurrent());

			}

		};

		action.setToolTipText(Messages.getString("MemoryPlugin.memoryStatsTooltip")); //$NON-NLS-1$

		manager.add(action);

		manager.add(new Separator());

		action = new Action(Messages.getString("MemoryPlugin.showChunks"), Action.AS_RADIO_BUTTON) { //$NON-NLS-1$

			public void run() {

				if (this.isChecked())

					receiveSelectionEvent("chunk_on"); //$NON-NLS-1$

			}

		};

		action.setChecked(showChunk && !showHeapStack);

		action.setToolTipText(Messages.getString("MemoryPlugin.showChunksTooltip")); //$NON-NLS-1$

		manager.add(action);

		action = new Action(Messages.getString("MemoryPlugin.showHeapStack"), Action.AS_RADIO_BUTTON) { //$NON-NLS-1$

			public void run() {

				if (this.isChecked())

					receiveSelectionEvent("heapstack_on");  //$NON-NLS-1$

			}

		};

		action.setChecked(showHeapStack && !showChunk);

		action.setToolTipText(Messages.getString("MemoryPlugin.showHeapStackTooltip")); //$NON-NLS-1$

		manager.add(action);

		action = new Action(Messages.getString("MemoryPlugin.showAll"), Action.AS_RADIO_BUTTON) { //$NON-NLS-1$

			public void run() {

				if (this.isChecked())

					receiveSelectionEvent("chunk_heapstack_on"); //$NON-NLS-1$

			}

		};

		action.setChecked(showChunk && showHeapStack);

		action.setToolTipText(Messages.getString("MemoryPlugin.showAllTooltip")); //$NON-NLS-1$

		manager.add(action);

		manager.add(new Separator());

		boolean rescale = false;

		// if there is a rescale value associated with the current Analyser tab, then use it

		obj = NpiInstanceRepository.getInstance().activeUidGetPersistState("com.nokia.carbide.cpp.pi.memory.rescale"); //$NON-NLS-1$

		if ((obj != null) && (obj instanceof Boolean))

			// retrieve the current value

			rescale = (Boolean)obj;

		else

			// set the initial value

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.rescale", rescale); //$NON-NLS-1$

		action = new Action(Messages.getString("MemoryPlugin.dynamicRescale"), Action.AS_CHECK_BOX) { //$NON-NLS-1$

			public void run() {

				if (this.isChecked())

					receiveSelectionEvent("rescale_on"); //$NON-NLS-1$

				else

					receiveSelectionEvent("rescale_off"); //$NON-NLS-1$

			}

		};

		action.setChecked(rescale);

		action.setToolTipText(Messages.getString("MemoryPlugin.dynamicRescaleTooltip")); //$NON-NLS-1$

		manager.add(action);

		return manager;

	}

	public void receiveEvent(String actionString, Event event) {

		MemTrace trace = (MemTrace)NpiInstanceRepository.getInstance().activeUidGetTrace("com.nokia.carbide.cpp.pi.memory"); //$NON-NLS-1$

		if (trace == null)

			return;

		if (   actionString.equals("chunk_on")  //$NON-NLS-1$

			|| actionString.equals("heapstack_on")  //$NON-NLS-1$

			|| actionString.equals("chunk_heapstack_on")  //$NON-NLS-1$

			|| actionString.equals("rescale_on")  //$NON-NLS-1$

			|| actionString.equals("rescale_off")) //$NON-NLS-1$

		{

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.THREADS_PAGE)).action(actionString);

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.BINARIES_PAGE)).action(actionString);

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.FUNCTIONS_PAGE)).action(actionString);

		} else if (actionString.equals("scroll")) //$NON-NLS-1$

		{

			PIEvent be = new PIEvent(event, PIEvent.SCROLLED);

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.THREADS_PAGE)).piEventReceived(be);

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.BINARIES_PAGE)).piEventReceived(be);

			((MemTraceGraph)trace.getTraceGraph(PIPageEditor.FUNCTIONS_PAGE)).piEventReceived(be);

		}

	}

	public void receiveSelectionEvent(String actionString) 

	{

		if (actionString == null)

			return;

		if (actionString.equals("chunk_on")) { //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showChunk", true); //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showHeapStack", false); //$NON-NLS-1$

		} else if (actionString.equals("heapstack_on")) { //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showChunk", false); //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showHeapStack", true); //$NON-NLS-1$

		} else if (actionString.equals("chunk_heapstack_on")) { //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showChunk", true); //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.showHeapStack", true); //$NON-NLS-1$

		} else if (actionString.equals("rescale_on")) { //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.rescale", true); //$NON-NLS-1$

		} else if (actionString.equals("rescale_off")) { //$NON-NLS-1$

			NpiInstanceRepository.getInstance().activeUidSetPersistState("com.nokia.carbide.cpp.pi.memory.rescale", false); //$NON-NLS-1$

			return;

		}

		((MemTraceGraph)this.getTraceGraph(PIPageEditor.THREADS_PAGE)).action(actionString);

		((MemTraceGraph)this.getTraceGraph(PIPageEditor.BINARIES_PAGE)).action(actionString);

		((MemTraceGraph)this.getTraceGraph(PIPageEditor.FUNCTIONS_PAGE)).action(actionString);

	}

//	public GenericTraceGraph getTraceGraph() {

//		MemTrace trace = (MemTrace) PIPageEditor.currentTab().getData("com.nokia.carbide.cpp.pi.memory.trace"); //$NON-NLS-1$

//

//		if (trace != null)

//			return trace.getTraceGraph();

//		else

//			return null;

//	}

	public GenericTraceGraph getTraceGraph(int graphIndex) {

		MemTrace trace = (MemTrace)NpiInstanceRepository.getInstance().activeUidGetTrace("com.nokia.carbide.cpp.pi.memory"); //$NON-NLS-1$

		if (trace != null)

			return trace.getTraceGraph(graphIndex);

		else

			return null;

	}

	public Integer getLastSample(int graphIndex) {

		MemTrace trace = (MemTrace)NpiInstanceRepository.getInstance().activeUidGetTrace("com.nokia.carbide.cpp.pi.memory"); //$NON-NLS-1$

		if (trace != null)

		else

			return null;

	}

	public Hashtable<Integer,Object> getSummaryTable(double start, double end) 

	{

//		MemTrace trace = (MemTrace)NpiInstanceRepository.getInstance().activeUidGetTrace("com.nokia.carbide.cpp.pi.memory"); //$NON-NLS-1$

//		return ((MemTraceGraph)trace.getTraceGraph(PIPageEditor.currentPageIndex(),PIPageEditor.currentTab())).getTableData();

		return null;

	}

	public String getGeneralInfo() {

		return null;

	}

	public ArrayList<String> getColumnNames() 

	{

		ArrayList<String> names = new ArrayList<String>();

		names.add(Messages.getString("MemoryPlugin.namesThread")); //$NON-NLS-1$

		names.add(Messages.getString("MemoryPlugin.namesAvgChunk")); //$NON-NLS-1$

		names.add(Messages.getString("MemoryPlugin.namesAvgStack")); //$NON-NLS-1$

		names.add(Messages.getString("MemoryPlugin.namesTotal")); //$NON-NLS-1$

		return names;

	}

	public ArrayList<Boolean> getColumnSortTypes() 

	{

		ArrayList<Boolean> sortTypes = new ArrayList<Boolean>();

		sortTypes.add(SORT_BY_NAME);

		sortTypes.add(SORT_BY_NUMBER);

		sortTypes.add(SORT_BY_NUMBER);

		sortTypes.add(SORT_BY_NUMBER);

		return sortTypes;

	}

	public String getActiveInfo(Object arg0, double startTime, double endTime) {

		return null;

	}

	public MenuManager getReportGeneratorManager() {

		return null;

	}

	public GraphDrawRequest getDrawRequest(int graphIndex) {

		return null;

	}

	public int getGraphCount() {

		return GRAPH_COUNT;

	}

	public int getPageNumber(int graphIndex) {

		// Assumes page 0 has the threads graph, 1 has the binaries, and 2 has the functions

		if (graphIndex == 0)

			return PIPageEditor.THREADS_PAGE;

		else if (graphIndex == 1)

			return PIPageEditor.BINARIES_PAGE;

		else if (graphIndex == 2)

			return PIPageEditor.FUNCTIONS_PAGE;

		return PIPageEditor.NEXT_AVAILABLE_PAGE;

	}

	// return whether this plugin's editor pages have been created

	public boolean arePagesCreated() {

		return false;

	}

	public void setPagesCreated(boolean pagesCreated) {

		return;

	}

	public int getCreatePageCount() {

		return 0;

	}

	public int getCreatePageIndex(int index) {

		return 0;

	}

	public ProfileVisualiser createPage(int index) {

		return null;

	}

	public void setPageIndex(int index, int pageIndex) {

		return;

	}

}