/*
 * SlidingAverageProcess.cc
 *
 *  Created on: Dec 12, 2012
 *      Author: f.casimir
 */
#include <stdlib.h>
#include <string>

#include "Operation.hh"
#include "ParameterManager.hh"
#include "SlidingAverageProcess.hh"
#include "SlidingAverageCreator.hh"
#include "ParameterCreatorFromExpression.hh"

#include "TimeInterval.hh"

using namespace std;
using namespace boost;
using namespace log4cxx;

using namespace TimeTableCatalog;

namespace AMDA {
namespace Parameters {

  SlidingAverageProcess::SlidingAverageProcess(Parameter &parameter)
  : SingleParamProcess_CRTP(parameter),
    _SlidingAverageTime(0.0) {
  }

  SlidingAverageProcess::SlidingAverageProcess(const SlidingAverageProcess& pProcess, Parameter &parameter)
    : SingleParamProcess_CRTP(pProcess,parameter),
      _SlidingAverageTime(pProcess._SlidingAverageTime) {
  }

  SlidingAverageProcess::~SlidingAverageProcess() {
  }

TimeStamp SlidingAverageProcess::init() {

	//GET Sampling
	if (_attributList.size() != 1) {
		BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("SlidingAverageProcess required at least one attribute: Sliding Average Time")));
	}

	if (!isValid<double>(_attributList[0])) {
		BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("Sliding Average Time must be a double.")));
	}

	_SlidingAverageTime = atof(_attributList[0].c_str());

	if (_SlidingAverageTime <= 0) {
		BOOST_THROW_EXCEPTION(AMDA::AMDA_exception() << AMDA::errno_code(AMDA_PROCESS_ERR) << AMDA::ex_msg(std::string("Sliding Average Time must be greater than 0.")));
	}

	
	TimeIntervalListSPtr lTimeIntervalList(new TimeIntervalList());

	// Add shift time for each time interval
	for (TimeIntervalList::iterator it = _timeIntervalList->begin(); it != _timeIntervalList->end(); ++it) {
		lTimeIntervalList->push_back(TimeInterval( (*it)._startTime - _SlidingAverageTime/2., (*it)._stopTime + _SlidingAverageTime/2.));
	}

	 TimeStamp timeStamp = _parameterInput->init( this, lTimeIntervalList);
	Parameter::InfoList lInfoList = _parameterInput->getInfoList();
	_parameter.getInfoList().insert(lInfoList.begin(), lInfoList.end());
	_paramInput = _parameterInput->getParamData(this).get();

	SlidingAverageCreator lSlidingAverageCreator(*this,*_paramInput,_timeIntervalList,_SlidingAverageTime);

	_operation = lSlidingAverageCreator.getOperation();
	_paramData = ParamDataSPtr(_operation->getParamOutput());
	_paramData->setMinSampling(_paramInput->getMinSampling());

	return timeStamp;

}

} /* namespace Parameters */
} /* namespace AMDA */