// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.

// All rights not expressly granted are reserved.

//

// This software is distributed under the terms of the GNU General Public

// License v3 (GPL Version 3), copied verbatim in the file "COPYING".

//

// In applying this license CERN does not waive the privileges and immunities

// granted to it by virtue of its status as an Intergovernmental Organization

// or submit itself to any jurisdiction.

/// \file DcsCcdbObjects.cxx

/// \brief Objects which are created from DCS DPs and stored in the CCDB

/// \author Ole Schmidt, ole.schmidt@cern.ch

#include "DataFormatsTRD/DcsCcdbObjects.h"

#include <fairlogger/Logger.h>

#include <string>

using namespace o2::trd;

void TRDDCSMinMaxMeanInfo::print() const

{

std::time_t tStart = firstTS / 1e3;

std::string tStartStr = std::asctime(std::localtime(&tStart));

tStartStr.erase(tStartStr.length() - 1); // remove '\n', since it is added by FairLogger anyways

std::time_t tEnd = lastTS / 1e3;

std::string tEndStr = std::asctime(std::localtime(&tEnd));

tEndStr.erase(tEndStr.length() - 1);

LOG(info) << "Raw time interval from " << firstTS << " to " << lastTS << ". In local time:";

LOG(info) << tStartStr;

LOG(info) << tEndStr;

LOG(info) << "Min value: " << minValue;

LOG(info) << "Max value: " << maxValue;

LOG(info) << "Mean value: " << meanValue;

LOG(info) << "Number of points added: " << nPoints;

}

void TRDDCSMinMaxMeanInfo::addPoint(float value, uint64_t ts)

{

if (nPoints == 0) {

firstTS = ts;

lastTS = ts;

minValue = value;

maxValue = value;

meanValue = value;

} else {

if (value < minValue) {

minValue = value;

}

if (value > maxValue) {

maxValue = value;

}

// I am not sure whether the DPs arrive always ordered in time

if (ts > lastTS) {

lastTS = ts;

}

if (ts < firstTS) {

firstTS = ts;

}

meanValue += (value - meanValue) / (nPoints + 1);

}

++nPoints;

}