/* Copyright (C) 2014 InfiniDB, Inc.

   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; version 2 of
   the License.

   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. */

/*
 * $Id: logger.h 3495 2013-01-21 14:09:51Z rdempsey $
 */

/** @file */

#pragma once

#include <string>
#include <map>
#include <boost/shared_ptr.hpp>
#include <boost/thread.hpp>

#include "messageobj.h"
#include "messagelog.h"
#include "messageids.h"

namespace logging
{
typedef std::map<Message::MessageID, Message> MsgMap;

/** @brief message log wrapper class */
class Logger
{
 public:
  /** @brief ctor
   *
   * @param subsys the subsystem id
   */
  explicit Logger(unsigned subsys);

  /** @brief log a message
   *
   * Log a message at a certain debug level
   */
  const std::string logMessage(LOG_TYPE logLevel, Message::MessageID mid, const Message::Args& args,
                               const LoggingID& logInfo);

  /** @brief log a formated message
   *
   * For the error framework to use
   */
  const std::string logMessage(LOG_TYPE logLevel, const Message& message, const LoggingID& logInfo);

  /** @brief set the message map for this logger
   *
   * This method sets the message map for this logger. You need to call this (once and only once) before
   * using the class. The map needs to be constructed before and given to this class.
   */
  void msgMap(const MsgMap& msgMap)
  {
    fMsgMap = msgMap;
  }

  /** @brief get the message map from this logger
   */
  const MsgMap& msgMap() const
  {
    return fMsgMap;
  }

 private:
  // not copyable (because of the mutex)
  Logger(const Logger& rhs);
  Logger& operator=(const Logger& rhs);

  MsgMap fMsgMap;
  MessageLog fMl1;
  boost::mutex fLogLock;
};

typedef boost::shared_ptr<Logger> SPL;

}  // namespace logging