/***************************************************************************
 *   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.          *
 ***************************************************************************/

#ifndef _CUPS_PAGE_ANALYZER_H_
#define _CUPS_PAGE_ANALYZER_H_


#include <klocale.h>

#include "analyzer.h"

#include "localLogFileReader.h"
#include "logging.h"
#include "parsingHelper.h"

#include "cupsPageLogMode.h"

class CupsPageAnalyzer : public Analyzer {
	
	Q_OBJECT
	
	public:
		explicit CupsPageAnalyzer(LogMode* logMode) :
			Analyzer(logMode),
			cupsPageRegex("(\\S*) (\\S*) (\\S*) \\[(.*)\\] (\\S*) (\\S*) (\\S*)") {
		}
		
		virtual ~CupsPageAnalyzer() {
			
		}

		LogViewColumns initColumns() {
			LogViewColumns columns;

			columns.addColumn(LogViewColumn(i18n("Date"), true, false));
			columns.addColumn(LogViewColumn(i18n("Printer"), true, true));
			columns.addColumn(LogViewColumn(i18n("User"), true, true));
			columns.addColumn(LogViewColumn(i18n("Job Id"), true, true));
			columns.addColumn(LogViewColumn(i18n("Page Number"), true, false));
			columns.addColumn(LogViewColumn(i18n("Num Copies"), true, true));
			columns.addColumn(LogViewColumn(i18n("Job Billing"), true, false));

			return columns;
		}

		
	protected:
		
		QRegExp cupsPageRegex;
		
		LogFileReader* createLogFileReader(const LogFile& logFile) {
			return new LocalLogFileReader(logFile);
		}

		Analyzer::LogFileSortMode logFileSortMode() {
			return Analyzer::AscendingSortedLogFile;
		}

		/*
		 * http://www.cups.org/documentation.php/ref-page_log.html
		 * Format : printer user job-id date-time page-number num-copies job-billing
		 * 
		 * DeskJet root 2 [20/May/1999:19:21:05 +0000] 1 1 acme-123
		 * DeskJet root 2 [20/May/1999:19:21:05 +0000] 2 1 acme-123
		 */
		LogLine* parseMessage(const QString& logLine, const LogFile& originalLogFile) {
			
			QString line(logLine);

			int firstPosition = cupsPageRegex.indexIn(logLine);
			if (firstPosition == -1) {
				logDebug() << "Unable to parse line " << logLine << endl;
				return NULL;
			}
						
			QStringList capturedTexts = cupsPageRegex.capturedTexts();

			//Remove full line
			capturedTexts.removeAt(0);

			QDateTime dateTime=ParsingHelper::instance()->parseHttpDateTime(capturedTexts.takeAt(3));

			return new LogLine(
					logLineInternalIdGenerator++,
					dateTime, 
					capturedTexts, 
					originalLogFile.url().path(), 
					Globals::instance()->informationLogLevel(), 
					logMode
			);
		}
};

#endif // _CUPS_PAGE_ANALYZER_H_
