#ifndef FREQ_H
#define FREQ_H

#include <QDebug>

#include "gtl_math_analog_value.h"

#include "math_global.h"

#include <set>

namespace gtl
{
    namespace math
    {
        class MATH_EXPORT freq : public analog_value
        {
            Q_OBJECT
            Q_PROPERTY(qreal dc READ dc WRITE set_dc NOTIFY dc_changed)
        public:
            freq(gtl::analog_data *data);

            virtual void set_time(qreal value) override;
            qreal dc() const;
            void set_dc(qreal value);

        private:
            qreal _sum;
            std::set<int> _fronts;
            qreal _dc;

        private:
            virtual void before_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;
            virtual void after_copying_data(std::vector<qreal>::iterator begin, std::vector<qreal>::iterator end) override;

            void log_fronts(QString msg, std::set<int>::iterator begin, std::set<int>::iterator end);

        protected slots:
            virtual void data_changed() override;

        signals:
            void dc_changed();
        };
    }
}

#endif // FREQ_H