/*

* Copyright (c) 2006-2009 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.internal.cpp.epoc.engine.image;

import com.nokia.carbide.cpp.epoc.engine.EpocEnginePlugin;

import com.nokia.carbide.cpp.epoc.engine.image.*;

import com.nokia.carbide.cpp.epoc.engine.model.mmp.IMMPAIFInfo;

import com.nokia.carbide.internal.api.cpp.epoc.engine.image.IAifDefFileConverter;

import com.nokia.carbide.internal.api.cpp.epoc.engine.image.IPathResolver;

import com.nokia.carbide.internal.cpp.epoc.engine.Messages;

import com.nokia.carbide.internal.cpp.epoc.engine.model.mmp.MMPAIFInfo;

import com.nokia.cpp.internal.api.utils.core.*;

import org.eclipse.core.runtime.*;

import java.text.MessageFormat;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class AifdefFileConverter extends BaseImageConverter implements

		IAifDefFileConverter {

	final static Pattern AIFDEF_LINE_PATTERN = Pattern.compile(

			"([^|]+)\\|([^|]+)\\|(.*)"); //$NON-NLS-1$

	final static Pattern AIFDEF_INLINE_FILES_PATTERN = Pattern.compile(

			"(/?(?:c?)(?:\\d+)(?:,(?:\\d+))?)\\|(.*)"); //$NON-NLS-1$

	/* (non-Javadoc)

	 * @see com.nokia.carbide.cpp.epoc.engine.image.IAifDefFileConverter#convert(org.eclipse.core.runtime.IPath, java.lang.String, java.lang.String)

	 */

	public IMMPAIFInfo convert(IPath targetPath, String fileName, String fileText, IPathResolver resolver) throws CoreException {

		IMMPAIFInfo aifInfo = new MMPAIFInfo();

		String fileBase = TextUtils.stripExtension(fileName);

		aifInfo.setTarget(FileUtils.createPossiblyRelativePath(fileBase + ".aif")); //$NON-NLS-1$

		String[] lines = fileText.split("\r\n|\r|\n"); //$NON-NLS-1$

		for (String line : lines) {

			if (line.trim().length() == 0)

				continue;

			Matcher matcher = AIFDEF_LINE_PATTERN.matcher(line);

			if (matcher.matches()) {

				/*

c:/workspace/CarbideTest/FormTime/|aif/FormTimeAif.rss|c4,1|aif/context_pane_icon.bmp|aif/context_pane_icon_mask.bmp|aif/list_icon.bmp|aif/list_icon_mask.bmp

or

c:/Symbian/Carbide/workspace/Legacy22/|aif/Legacy22Aif.rss|untitled.mbmdef

				 */

				IPath projectPath = new Path(matcher.group(1));

				IPath aifPath = resolver.resolvePath(projectPath.append(matcher.group(2)).toOSString());

				aifInfo.setResource(aifPath);

				Matcher imageMatcher = AIFDEF_INLINE_FILES_PATTERN.matcher(matcher.group(3));

				if (imageMatcher.matches()) {

					ImageFormat format = new ImageFormat(imageMatcher.group(1));

					String[] files = imageMatcher.group(2).split("\\|"); //$NON-NLS-1$

					aifInfo.setColor(format.isColor());

					aifInfo.setColorDepth(format.getDepth());

					aifInfo.setMaskDepth(format.getMaskDepth());

					if (format.getMaskDepth() > 0) {

						// read images and masks

						for (int i = 0; i < files.length - 1; i += 2) {

							IBitmapSourceReference source = aifInfo.createBitmapSourceReference();

							source.setPath(resolver.resolvePath(files[i]));

							source.setMaskPath(resolver.resolvePath(files[i + 1]));

							aifInfo.getSourceBitmaps().add(source);

						}

					} else {

						// read images

						for (int i = 0; i < files.length; i ++) {

							IBitmapSourceReference source = aifInfo.createBitmapSourceReference();

							source.setPath(resolver.resolvePath(files[i]));

							aifInfo.getSourceBitmaps().add(source);

						}

					}

				} else {

					// either .mbm or .mbmdef allowed, theoretically,

					// but only .mbmdef available in Carbide UI

					String mbmdefFile = matcher.group(3);

					IPath mbmdefPath = resolver.resolvePath(projectPath.append(mbmdefFile).toOSString());

						mbmdefPath = new Path(projectPath.removeTrailingSeparator().lastSegment()).append(mbmdefPath);

					String mbmdefText = readFileText(mbmdefPath);

					IMultiImageSource multiImageSource = new MbmdefFileConverter().convert(targetPath, mbmdefFile, mbmdefText, resolver);

					if (multiImageSource.getSources().size() > 0) {

						IBitmapSource first = (IBitmapSource) multiImageSource.getSources().get(0);

						aifInfo.setColor(first.isColor());

						aifInfo.setColorDepth(first.getDepth());

						aifInfo.setMaskDepth(first.getMaskDepth());

					}

					boolean reportedIssue = false;

					for (IImageSource imageSource : multiImageSource.getSources()) {

						IBitmapSource bitmapSource = (IBitmapSource) imageSource;

						if (bitmapSource.getDepth() > aifInfo.getColorDepth()) {

							// increase color depth if necessary...

							aifInfo.setColorDepth(bitmapSource.getDepth());

						}

						if (bitmapSource.isColor() && !aifInfo.isColor()) {

							// update grayscale to color if necessary...

							aifInfo.setColor(true);

						}

						if (bitmapSource.getMaskDepth() != aifInfo.getMaskDepth()) {

							// but don't let the mask depth change among mbmdef entries

							if (!reportedIssue) {

								String format = Messages.getString("AifdefFileConverter.AifColorMismatchProblem"); //$NON-NLS-1$

								EpocEnginePlugin.log(

										Logging.newStatus(EpocEnginePlugin.getDefault(),

												IStatus.WARNING,

											MessageFormat.format(format, new Object[] {

													fileName, mbmdefFile

											})));

								reportedIssue = true;

							}

							// toss out invalid entry

							if (bitmapSource.getMaskDepth() == 0 && aifInfo.getMaskDepth() > 0)

								continue;

						} 

						aifInfo.getSourceBitmaps().add(bitmapSource);

					}

				}

				break;

			}

		}

		return aifInfo;

	}

}