/*

* Copyright (c) 2007-2009 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.

*

*/

package com.nokia.carbide.cpp.internal.leavescan.popup.actions;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.List;

import org.eclipse.core.resources.IFile;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.resources.IResource;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Path;

import org.eclipse.core.runtime.Status;

import org.eclipse.core.runtime.jobs.Job;

import org.eclipse.jface.action.IAction;

import org.eclipse.jface.preference.IPreferenceStore;

import org.eclipse.jface.viewers.ISelection;

import org.eclipse.jface.viewers.IStructuredSelection;

import org.eclipse.ui.IActionDelegate;

import org.eclipse.ui.IObjectActionDelegate;

import org.eclipse.ui.IWorkbenchPart;

import com.nokia.carbide.cdt.builder.CarbideBuilderPlugin;

import com.nokia.carbide.cdt.builder.EpocEngineHelper;

import com.nokia.carbide.cdt.builder.builder.CarbideCPPBuilder;

import com.nokia.carbide.cdt.builder.builder.CarbideCommandLauncher;

import com.nokia.carbide.cdt.builder.project.ICarbideBuildConfiguration;

import com.nokia.carbide.cdt.builder.project.ICarbideProjectInfo;

import com.nokia.carbide.cpp.internal.leavescan.LeavescanPlugin;

import com.nokia.carbide.cpp.internal.leavescan.ui.LeavescanPreferenceConstants;

public class LeavescanAction implements IObjectActionDelegate {

	private ISelection selection;

	// id definied from plugin.xml

	public static final String LEAVE_SCAN_ACTION_POP_UP_ID = "com.nokia.carbide.cpp.leavescan.leaveScanAction";

	public static final String LEAVE_SCAN_ACTION_MMP_POP_UP_ID = "com.nokia.carbide.cpp.leavescan.leaveScanActionOnMMP";

	/**

	 * Constructor for Action1.

	 */

	public LeavescanAction() {

		super();

	}

	/**

	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)

	 */

	public void setActivePart(IAction action, IWorkbenchPart targetPart) {

	}

	/**

	 * @see IActionDelegate#run(IAction)

	 */

	public void run(IAction action) {

		if (action.getId().equals(LEAVE_SCAN_ACTION_POP_UP_ID)){

			// scan the selected source file(s)

			handleLeaveScanAction(action);

		} else if (action.getId().equals(LEAVE_SCAN_ACTION_MMP_POP_UP_ID)){

			// scan the selected source file(s)

			handleLeaveScanActionOnMMP(action);

		}

	}

	/**

	 * @see IActionDelegate#selectionChanged(IAction, ISelection)

	 */

	public void selectionChanged(IAction action, ISelection selection) {

		this.selection = selection;

	}

	/**

	 * Run leavescan on source file selection(s)

	 * @param action

	 */

	private void handleLeaveScanAction(IAction action){

		// get the project each file belongs to...

		HashMap<IProject, List<IPath>> projectSourceMap = new HashMap<IProject, List<IPath>>();

		if (selection != null && selection instanceof IStructuredSelection) {

			Iterator iter = ((IStructuredSelection)selection).iterator();

			while (iter.hasNext()) {

				Object selItem = iter.next();

				if (selItem instanceof IFile) {

					IProject currProject = ((IResource)selItem).getProject();

					if (projectSourceMap.get(currProject) == null){

						// project is not a key, create a new key/value entry

						List<IPath> pathList = new ArrayList<IPath>();

						pathList.add(((IResource)selItem).getLocation());

						projectSourceMap.put(currProject, pathList);

					} else {

						// this key already exists, update the source list

						List<IPath> pathList  = projectSourceMap.get(currProject);

						pathList.add(((IResource)selItem).getLocation());

						projectSourceMap.put(currProject, pathList);  // 2+ paths exist for this project

					}

				}

			}

		}

		// Get the leavescan preferences...

		IPreferenceStore store = LeavescanPlugin.getLeaveScanPrefsStore();

		final boolean noisyOutput =  store.getBoolean(LeavescanPreferenceConstants.LEAVESCAN_NOISY_OUTPUT);

		final String leaveScanFolder = store.getString(LeavescanPreferenceConstants.LEAVESCAN_FOLDER);

		for (final IProject project : projectSourceMap.keySet()){

			final List<IPath> finalPathList = projectSourceMap.get(project);	

			// Run a job on each project. The arguments for leavescan is:

			// leavescan [-h|-n|-v|-N] <iFilename.cpp> [<iFilename.cpp> ...]

			//

			//            -h: This help.

			//            -n: Noisy output - provides diagnostics (if available).

			//            -N: Very noisy output - provides diagnostics (if available).

			//            -v: Displays version (for build & automation systems).

			Job buildJob = new Job("Running Leave Scan on Project: " + project.getName()) { //$NON-NLS-1$

				protected IStatus run(IProgressMonitor monitor){

					final String[] leaveScanParserIds = new String[] {

				        "com.nokia.carbide.cpp.leavescan.LeaveScanErrorParser"

				        };

			        ICarbideProjectInfo cpi = CarbideBuilderPlugin.getBuildManager().getProjectInfo(project);

			        try {

			        	CarbideCPPBuilder.removeAllMarkers(project);

			        } catch (CoreException e){

			        	e.printStackTrace();

			        }

			        IPath workingDir = cpi.getINFWorkingDirectory();

					CarbideCommandLauncher cmdLauncher = new CarbideCommandLauncher(project, monitor, leaveScanParserIds, workingDir);

					cmdLauncher.startTimingStats();

					int fileCount = 1;

					int listSize = finalPathList.size();

					for (IPath currPath : finalPathList){

						//System.out.print("\nProject: " + project.getName() + " | Source File: " + currPath.toOSString()); // Debug

						ICarbideBuildConfiguration defaultConfig = cpi.getDefaultConfiguration();

						monitor.beginTask("Running leavescan.", 100);

						double dWorked = ((double)fileCount / (double)listSize) * 100;

						monitor.worked((int)dWorked);

						String taskName = "Running leavescan on file \"" + currPath.toOSString() + "\" for project \"" + project.getName() + ".";

						monitor.setTaskName(taskName);

						cmdLauncher.writeToConsole("\n***" + taskName + "\n");

						// Construct the leavescan arguments

						List<String> leaveScanArgList = new ArrayList<String>();

						leaveScanArgList.add("/c");

						if (leaveScanFolder.length() > 0){

						} else {

						}

						if (noisyOutput) {

							leaveScanArgList.add("-N");

						} else {

							leaveScanArgList.add("-n");

						}

						leaveScanArgList.add(currPath.toOSString());

						String[] args = new String[leaveScanArgList.size()];

						leaveScanArgList.toArray(args);

						cmdLauncher.showCommand(true);

						// executeCommand, a special extension to the regular execute which will handle

						// writing the console output, error parsing, and creating error markers.

						cmdLauncher.executeCommand(CarbideCommandLauncher.getCmdExeLocation(), args, CarbideCPPBuilder.getResolvedEnvVars(defaultConfig), workingDir);

						fileCount++;

					}

					cmdLauncher.writeToConsole(cmdLauncher.getTimingStats());

					return new Status(IStatus.OK, LeavescanPlugin.PLUGIN_ID, IStatus.OK, "LeaveScan Complete", null); 

				}

			};

			buildJob.setPriority(Job.BUILD);

			buildJob.schedule();

		}

	}

	/**

	 * Run leavescan on all the sources in the current project MMP file.

	 * The sources files will be build configuration specifc (i.e. MMP is preprocessed) to return

	 * platform specific source list.

	 * @param action - The IAction interface from the eclipse core

	 */

	private void handleLeaveScanActionOnMMP(IAction action){

		// get the project each file belongs to...

		IProject project = null;

		IPath mmpFile = null;

		if (selection != null && selection instanceof IStructuredSelection) {

			Iterator iter = ((IStructuredSelection)selection).iterator();

			while (iter.hasNext()) {

				Object selItem = iter.next();

				if (selItem instanceof IFile) {

					project = ((IResource)selItem).getProject();

					mmpFile = ((IResource)selItem).getLocation();

					//System.out.print("\nMMP File Selected: " + ((IResource)selItem).getLocation());

				}

			}

		}

		if (project == null){

			return;

		}

		// Get the leavescan preferences...

		IPreferenceStore store = LeavescanPlugin.getLeaveScanPrefsStore();

		final boolean noisyOutput =  store.getBoolean(LeavescanPreferenceConstants.LEAVESCAN_NOISY_OUTPUT);

		final String leaveScanFolder = store.getString(LeavescanPreferenceConstants.LEAVESCAN_FOLDER);

		ICarbideProjectInfo cpi = CarbideBuilderPlugin.getBuildManager().getProjectInfo(project);

		if (cpi.getDefaultConfiguration() == null)

        	return;

		List<IPath> sourceFileList = new ArrayList<IPath>();

		// Get the list of source files for the default configuration this MMP is associated with.

		sourceFileList = EpocEngineHelper.getSourceFilesForConfiguration(cpi.getDefaultConfiguration(), mmpFile);

		final List<IPath> finalPathList = new ArrayList<IPath>(sourceFileList);	

		final IProject finalProject = project;

		final Path finalMMPPath = new Path(mmpFile.toOSString());

		Job buildJob = new Job("Running Leave Scan on MMP: " + mmpFile.toOSString()) { //$NON-NLS-1$

			protected IStatus run(IProgressMonitor monitor){

				final String[] leaveScanParserIds = new String[] {

			        "com.nokia.carbide.cpp.leavescan.LeaveScanErrorParser"

			        };

		        ICarbideProjectInfo cpi = CarbideBuilderPlugin.getBuildManager().getProjectInfo(finalProject);

		        try {

		        	CarbideCPPBuilder.removeAllMarkers(finalProject);

		        } catch (CoreException e){

		        	e.printStackTrace();

		        }

		        IPath workingDir = cpi.getINFWorkingDirectory();

				CarbideCommandLauncher cmdLauncher = new CarbideCommandLauncher(finalProject, monitor, leaveScanParserIds, workingDir);

				cmdLauncher.startTimingStats();

				int fileCount = 1;

				int listSize = finalPathList.size();

				for (IPath currPath : finalPathList){

					//System.out.print("\nMMP Project: " + finalMMPPath.lastSegment() + " | Source File: " + currPath.toOSString()); // Debug

					ICarbideBuildConfiguration defaultConfig = cpi.getDefaultConfiguration();

					monitor.beginTask("Running leavescan.", 100);

					double dWorked = ((double)fileCount / (double)listSize) * 100;

					monitor.worked((int)dWorked);

					String taskName = "Running leavescan on file \"" + currPath.toOSString() + "\" for MMP \"" + finalMMPPath.lastSegment() + ".";

					monitor.setTaskName(taskName);

					cmdLauncher.writeToConsole("\n***" + taskName + "\n");

					// Construct the leavescan arguments

					List<String> leaveScanArgList = new ArrayList<String>();

					leaveScanArgList.add("/c");

					if (leaveScanFolder.length() > 0){

					} else {

					}

					if (noisyOutput) {

						leaveScanArgList.add("-N");

					} else {

						leaveScanArgList.add("-n");

					}

					leaveScanArgList.add(currPath.toOSString());

					String[] args = new String[leaveScanArgList.size()];

					leaveScanArgList.toArray(args);

					cmdLauncher.showCommand(true);

					// executeCommand, a special extension to the regular execute which will handle

					// writing the console output, error parsing, and creating error markers.

					cmdLauncher.executeCommand(CarbideCommandLauncher.getCmdExeLocation(), args, CarbideCPPBuilder.getResolvedEnvVars(defaultConfig), workingDir);

					fileCount++;

				}

				cmdLauncher.writeToConsole(cmdLauncher.getTimingStats());

				return new Status(IStatus.OK, LeavescanPlugin.PLUGIN_ID, IStatus.OK, "LeaveScan Complete", null); 

			}

		};

		buildJob.setPriority(Job.BUILD);

		buildJob.schedule();

	}

}