/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * Chronos.cpp
 *
 *  Created on: Mar 14, 2011
 *      Author: heber
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "MemDebug.hpp"

#include <iostream>

#include "Chronos.hpp"

#include "Singleton_impl.hpp"

Chronos::Chronos()
{}

Chronos::~Chronos()
{}

int Chronos::getTime(const std::string _name) const
{
  // only those functions have a time that have run already
  if (IsTimeRunning.count(_name)) {
    // return -1 if function is currently running
    if (!IsTimeRunning.count(_name))
      return AccountedTime.at(_name);
    else
      return -1;
  }
  return 0;
}

void Chronos::resetTime(const std::string _name)
{
  if (IsTimeRunning.count(_name)) {
    AccountedTime[_name] = 0;
  }
}

void Chronos::startTiming(const std::string _name)
{
  // start time keeping
  IsTimeRunning[_name] = true;
}

void Chronos::endTiming(const std::string _name)
{
  // finish time keeping if present
  ASSERT(IsTimeRunning.count(_name), "Chronos::endTiming() - no timer under "+_name+" running.");
  IsTimeRunning[_name] = false;
}

int Chronos::SumUpTotalTime() const
{
  int sum = 0;
  for (TimekeepingMap::const_iterator iter = AccountedTime.begin();
      iter != AccountedTime.end();
      ++iter) {
    sum += iter->second;
  }
  return sum;
}

size_t Chronos::SumUpTotalFunctions() const
{
  return IsTimeRunning.size();
}

std::ostream& operator<<(std::ostream &ost, const Chronos &_time)
{
  int sum = _time.SumUpTotalTime();
  ost << "Total time passed: " << sum << std::endl;
  ost << "Total functions: " << _time.SumUpTotalFunctions() << std::endl;

  return ost;
}


CONSTRUCT_SINGLETON(Chronos)