/***************************************************************************
 *   KSystemLog, a system log viewer tool                                  *
 *   Copyright (C) 2007 by Nicolas Ternisien                               *
 *   nicolas.ternisien@gmail.com                                           *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 ***************************************************************************/

#include <QList>
#include <QMap>
#include <QFile>
#include <QWidget>
#include <QStringList>
#include <QTextStream>

#include <qtest_kde.h>
#include <kurl.h>
#include <kio/netaccess.h>

#include "logging.h"

class FindIncompatibleKioTest : public QObject {

Q_OBJECT

private slots:
	
	void initTestCase();
	
	void find();

private:
	void displayFoundMethods(const QStringList& methods, const KUrl& url, QTextStream& out);
	
	QStringList headerContent(const KUrl& url);
	QString convertMethod(const QString& method);
	
	QMap<QString, bool> findMethods(const QStringList& methods, const KUrl& url);
	
};

void FindIncompatibleKioTest::initTestCase() {

}


void FindIncompatibleKioTest::find() {
	QString kdelibs = QLatin1String("/home/nicolas/workspace/kdelibs");
	QString kdebase = QLatin1String("/home/nicolas/workspace/kdebase");
	
	QString outputPath = QLatin1String("/home/nicolas/compatibleKioSlaves.html");
	
	QStringList existingMethods;
	existingMethods << QLatin1String("void SlaveBase::openConnection(void)");
	existingMethods << QLatin1String("void SlaveBase::closeConnection(void)");
	existingMethods << QLatin1String("void SlaveBase::stat(KUrl const &)");
	existingMethods << QLatin1String("void SlaveBase::put(KUrl const &, int, bool, bool)");
	existingMethods << QLatin1String("void SlaveBase::special(const QByteArray &)");
	existingMethods << QLatin1String("void SlaveBase::listDir(KUrl const &)");
	existingMethods << QLatin1String("void SlaveBase::get(KUrl const & )");
	existingMethods << QLatin1String("void SlaveBase::open(KUrl const &, QIODevice::OpenMode)");
	existingMethods << QLatin1String("void SlaveBase::read(KIO::filesize_t)");
	existingMethods << QLatin1String("void SlaveBase::write(const QByteArray &)");
	existingMethods << QLatin1String("void SlaveBase::seek(KIO::filesize_t)");
	existingMethods << QLatin1String("void SlaveBase::close()");
	existingMethods << QLatin1String("void SlaveBase::mimetype(KUrl const &url)");
	existingMethods << QLatin1String("void SlaveBase::rename(KUrl const &, KUrl const &, bool)");
	existingMethods << QLatin1String("void SlaveBase::symlink(QString const &, KUrl const &, bool)");
	existingMethods << QLatin1String("void SlaveBase::copy(KUrl const &, KUrl const &, int, bool)");
	existingMethods << QLatin1String("void SlaveBase::del(KUrl const &, bool)");
	existingMethods << QLatin1String("void SlaveBase::setLinkDest(const KUrl &, const QString&)");
	existingMethods << QLatin1String("void SlaveBase::mkdir(KUrl const &, int)");
	existingMethods << QLatin1String("void SlaveBase::chmod(KUrl const &, int)");
	existingMethods << QLatin1String("void SlaveBase::setModificationTime(KUrl const &, const QDateTime&)");
	existingMethods << QLatin1String("void SlaveBase::chown(KUrl const &, const QString &, const QString &)");
	existingMethods << QLatin1String("void SlaveBase::setSubUrl(KUrl const &)");
	existingMethods << QLatin1String("void SlaveBase::multiGet(const QByteArray &)");

	//logDebug() << existingMethods << endl;
	
	QFile file(outputPath);
	if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
		logError() << "Unable to open the output file" << outputPath << endl;
		return;
	}

	QTextStream out(&file);
	
	out << "<html>" << endl;
	out << "<head>" << endl;
	out << "<style type='text/css'>" << endl;
	out << ".found { color:green }" << endl;
	out << ".notFound { color:red }" << endl;
	out << "</style>" << endl;
	out << "</head>" << endl;
	out << "<body>" << endl;
	
	out << "<div style='text-align:center; font-size:26px; font-variant:small-caps; margin-bottom:40px'>KIO Slaves Analyzing</div>" << endl;
	out << "<div style='font-style:italic'>Generated by <a href='http://websvn.kde.org/trunk/playground/sysadmin/ksystemlog/tests/findIncompatibleKioTest.cpp'>http://websvn.kde.org/trunk/playground/sysadmin/ksystemlog/tests/findIncompatibleKioTest.cpp</a></div>" << endl;

	QList<KUrl> parsingUrls;
	
	parsingUrls.append(KUrl(kdelibs + QLatin1String("/kioslave/http/http.h")));
	parsingUrls.append(KUrl(kdelibs + QLatin1String("/kioslave/ftp/ftp.h")));
	parsingUrls.append(KUrl(kdelibs + QLatin1String("/kioslave/file/file.h")));
	parsingUrls.append(KUrl(kdelibs + QLatin1String("/kioslave/metainfo/metainfo.h")));
	
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/about/kio_about.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/cgi/cgi.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/filter/filter.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/finger/kio_finger.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/fish/fish.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/floppy/kio_floppy.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/info/info.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/man/kio_man.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/media/kio_media.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/nfs/kio_nfs.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/remote/kio_remote.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/settings/kio_settings.cc")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/sftp/kio_sftp.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/smb/kio_smb.h")));
	//parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/tar/tar.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/thumbnail/thumbnail.h")));
	parsingUrls.append(KUrl(kdebase + QLatin1String("/runtime/kioslave/trash/kio_trash.h")));
	
	
	out << "<hr />" << endl;
	out << "<h1>Analyzed KIO Slaves</h1>" << endl;
	out << "<ul>" << endl;
	foreach(const KUrl &url, parsingUrls) {
		out << "<li><a href='#" << url.fileName() << "'>" << url.path() << "</a></li>" << endl; 
	}
	out << "</ul>" << endl;
	
	
	foreach(const KUrl &url, parsingUrls) {
		displayFoundMethods(existingMethods, url, out);
	}
	
	out << "<hr />" << endl;
	out << "<h1>SlaveBase methods to implement</h1>" << endl;
	out << "<ul>" << endl;
	foreach(const QString &method, existingMethods) {
		out << "<li>" << method << "</li>" << endl; 
	}
	out << "</ul>" << endl;
	
	out << "</body>" << endl;
	out << "</html>" << endl;
	
	file.close();
}

void FindIncompatibleKioTest::displayFoundMethods(const QStringList& methods, const KUrl& url, QTextStream& out) {
	QMap<QString, bool> foundMethods = findMethods(methods, url);

	
	out << endl;
	out << "<hr />" << endl;
	out << "<h1 id='" << url.fileName() << "'>" << url.path() << "</h1>" << endl;

	if (foundMethods.isEmpty()) {
		out << "No file found" << endl;
		out << "<hr />" << endl;
		return;
	}
		
	out << "<hr />" << endl;
	out << "<h2><span class='found'>Found</span> and <span class='notFound'>Not Found</span> methods : </h2>" << endl;
	out << "<ul>" << endl;

	//Found methods
	QMapIterator<QString, bool> i(foundMethods);
	while (i.hasNext()) {
		i.next();
		
		if (i.value() == true) {
			out << "<li class='found'>" << i.key() << "</li>" << endl;
		}
	}
	

	//Found methods
	i = foundMethods;
	while (i.hasNext()) {
		i.next();
		
		if (i.value() == false) {
			out << "<li class='notFound'>" << i.key() << "</li>" << endl;
		}
	}
	
	out << "</ul>" << endl;

}

QMap<QString, bool> FindIncompatibleKioTest::findMethods(const QStringList& methods, const KUrl& url) {

	QStringList lines = headerContent(url);
	if (lines.isEmpty())
		return QMap<QString, bool>();
	
	QMap<QString, bool> foundMethods;
	foreach(const QString &method, methods) {
		foundMethods.insert(method, false);
	}

	foreach(QString line, lines) {
		line = convertMethod(line);

		if (line.contains(QLatin1String("void")) == false)
		continue;

		//logDebug() << "Line" << convertMethod(line) << endl;

		foreach(const QString &method, methods) {
			if (line == convertMethod(method)) {
				foundMethods.insert(method, true);
			}
			/*
			 else {
			 logDebug() << method << " != " << line << endl;
			 }
			 */
		}

	}

	logDebug() << endl;
	
	return foundMethods;
}

QString FindIncompatibleKioTest::convertMethod(const QString& method) {
	QString result(method);
	result = result.remove(QLatin1String("SlaveBase::"));
	result = result.remove(QLatin1String("virtual"));
	//	result = result.remove(QLatin1String(" "));
	//	result = result.replace('\t', ' ');
	result = result.remove(QLatin1String(";"));
	result = result.simplified();

	int firstParenthesis = result.indexOf(QLatin1String("("));
	int lastParenthesis = result.indexOf(QLatin1String(")"));
	if (firstParenthesis != -1&& lastParenthesis != -1)
		result = result.remove(firstParenthesis+1, lastParenthesis-firstParenthesis-1);

	return result;
}

QStringList FindIncompatibleKioTest::headerContent(const KUrl& url) {
	QStringList kioHeaderContent;

	QString tmpFile;
	if (KIO::NetAccess::download(url, tmpFile, new QWidget()) ) {

		QFile file(tmpFile);
		file.open(QIODevice::ReadOnly);

		//If the file does not exist
		if (!file.exists()) {
			return QStringList();
		}

		QTextStream inputStream(&file);
		while (inputStream.atEnd() == false) {
			kioHeaderContent.append(inputStream.readLine());
		}

		file.close();

		KIO::NetAccess::removeTempFile(tmpFile );
	} else {
		logDebug() << KIO::NetAccess::lastErrorString() << endl;;
	}

	return kioHeaderContent;
}

QTEST_KDEMAIN(FindIncompatibleKioTest, GUI)

#include "FindIncompatibleKioTest.moc"