/* -*- C++ -*-
 *
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  RawTherapee 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 RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Author: reine
 */

#pragma once

#include "mytime.h"
#include "settings.h"
#include <iostream>

namespace rtengine {

extern const Settings *settings;

#ifdef BENCHMARK
#define BENCHFUN StopWatch StopFun(__func__);
#define BENCHFUNMICRO StopWatch StopFun(__func__, true);
#else
#define BENCHFUN
#define BENCHFUNMICRO
#endif

class StopWatch {
public:
    explicit StopWatch(const char *msg, bool microseconds = false)
        : microseconds(microseconds)
    {
        message = msg;
        start();
        stopped = false;
    }
    ~StopWatch()
    {
        if (!stopped) {
            stop();
        }
    }
    void start() { startTime.set(); };
    void stop()
    {
        stopTime.set();
        if (settings->verbose > 1) {
            if (!microseconds) {
                long elapsedTime = stopTime.etime(startTime) / 1000;
                std::cout << message << " took " << elapsedTime << " ms"
                          << std::endl;
            } else {
                long elapsedTime = stopTime.etime(startTime);
                std::cout << message << " took " << elapsedTime << " us"
                          << std::endl;
            }
        }
        stopped = true;
    }
    void stop(const char *msg)
    {
        message = msg;
        stop();
    };

private:
    bool microseconds;
    MyTime startTime;
    MyTime stopTime;
    const char *message;
    bool stopped;
};

} // namespace rtengine
