/* -*- C++ -*- */

/****************************************************************************
** Copyright (c) 2001-2014
**
** This file is part of the QuickFIX FIX Engine
**
** This file may be distributed under the terms of the quickfixengine.org
** license as defined by quickfixengine.org and appearing in the file
** LICENSE included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.quickfixengine.org/LICENSE for licensing information.
**
** Contact ask@quickfixengine.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/

#ifndef FIX_FILELOG_H
#define FIX_FILELOG_H

#ifdef _MSC_VER
#pragma warning( disable : 4503 4355 4786 4290 )
#endif

#include "Log.h"
#include "SessionSettings.h"
#include <fstream>

namespace FIX
{
/**
 * Creates a file based implementation of Log
 *
 * This stores all log events into flat files
 */
class FileLogFactory : public LogFactory
{
public:
  FileLogFactory( const SessionSettings& settings )
: m_settings( settings ), m_globalLog(0), m_globalLogCount(0) {};
  FileLogFactory( const std::string& path )
: m_path( path ), m_backupPath( path ), m_globalLog(0), m_globalLogCount(0) {};
  FileLogFactory( const std::string& path, const std::string& backupPath )
: m_path( path ), m_backupPath( backupPath ), m_globalLog(0), m_globalLogCount(0) {};

public:
  Log* create();
  Log* create( const SessionID& );
  void destroy( Log* log );

private:
  std::string m_path;
  std::string m_backupPath;
  SessionSettings m_settings;
  Log* m_globalLog;
  int m_globalLogCount;
};

/**
 * File based implementation of Log
 *
 * Two files are created by this implementation.  One for messages, 
 * and one for events.
 *
 */
class FileLog : public Log
{
public:
  FileLog( const std::string& path );
  FileLog( const std::string& path, const std::string& backupPath );
  FileLog( const std::string& path, const SessionID& sessionID );
  FileLog( const std::string& path, const std::string& backupPath, const SessionID& sessionID );
  virtual ~FileLog();

  void clear();
  void backup();

  void onIncoming( const std::string& value )
  { m_messages << UtcTimeStampConvertor::convert(UtcTimeStamp(), m_millisecondsInTimeStamp) << " : " << value << std::endl; }
  void onOutgoing( const std::string& value )
  { m_messages << UtcTimeStampConvertor::convert(UtcTimeStamp(), m_millisecondsInTimeStamp) << " : " << value << std::endl; }
  void onEvent( const std::string& value )
  {
    UtcTimeStamp now;
    m_event << UtcTimeStampConvertor::convert( now, m_millisecondsInTimeStamp )
            << " : " << value << std::endl;
  }

  bool getMillisecondsInTimeStamp() const
  { return m_millisecondsInTimeStamp; }
  void setMillisecondsInTimeStamp ( bool value )
  { m_millisecondsInTimeStamp = value; }

private:
  std::string generatePrefix( const SessionID& sessionID );
  void init( std::string path, std::string backupPath, const std::string& prefix );

  std::ofstream m_messages;
  std::ofstream m_event;
  std::string m_messagesFileName;
  std::string m_eventFileName;
  std::string m_fullPrefix;
  std::string m_fullBackupPrefix;
  bool m_millisecondsInTimeStamp;
};
}

#endif //FIX_LOG_H