#include "gtl_gui_spec_series.h"
#include "gui/spgr/gtl_gui_spgr_widget.h"

namespace gtl
{
    namespace gui
    {
        spec_series::spec_series(bool is_updating, gtl::math::spec::types type, gtl::analog_data* ai, ::chart::axis_horz* axis_x, ::chart::axis_vert* axis_y)
            : chart_series(ai, axis_x, axis_y)
        {
            _is_updating = is_updating;

            _spec = new gtl::math::spec(type, ai);
            _measures = SpecMeasParamsListPtr(new QListSpecMeasParams);

            connect(_spec, &gtl::math::spec::changed, this, &spec_series::update);
            connect(_spec, &gtl::math::spec::initialized, this, &spec_series::update);
            connect(_spec, &gtl::math::spec::frequency_changed, this, &spec_series::initialized);

            connect(axis_x, &::chart::axis_horz::signal_range_changed, this, &spec_series::measure);
        }

        spec_series::~spec_series()
        {
            _spec->disconnect();
            axis_x()->disconnect();

            if(_spgr) delete _spgr;
            _spgr = nullptr;
            delete _spec;
        }

        qreal spec_series::frequency() const
        {
            return _spec->frequency();
        }

        qreal spec_series::resolution() const
        {
            return _spec->resolution();
        }

        int spec_series::window() const
        {
            return static_cast<int>(_spec->window());
        }

        int spec_series::lines() const
        {
            return _spec->lines();
        }

        int spec_series::average() const
        {
            return _spec->average();
        }

        qreal spec_series::overlap() const
        {
            return _spec-> overlap();
        }

        int spec_series::unit() const
        {
            return static_cast<int>(_spec->unit());
        }

        void spec_series::set_frequency(qreal value)
        {
            _spec->set_frequency(value);
        }

        void spec_series::set_resolution(qreal value)
        {
            _spec->set_resolution(value);
        }

        void spec_series::set_window(int value)
        {
            _spec->set_window(static_cast<gtl::math::spec::windows>(value));
        }

        void spec_series::set_lines(int value)
        {
            _spec->set_lines(value);
        }

        void spec_series::set_average(int value)
        {
            _spec->set_average(value);
        }

        void spec_series::set_overlap(qreal value)
        {
            _spec->set_overlap(value);
        }

        void spec_series::set_unit(int value)
        {
            _spec->set_unit(static_cast<gtl::units>(value));
        }

        void spec_series::set_measures(spec_meas_model* model)
        {
            if(!model)
                return;
            _measures->clear();
            for(int i = 0; i < model->measures()->count(); i++)
                if(model->measures()->at(i).ad == _ad)
                    _measures->append(model->measures()->at(i));
            measure();
        }
        
        gtl::gui::spgr::widget* spec_series::create_spgr(QWidget *parent)
        {
            _spgr = new gtl::gui::spgr::widget(parent, _spec);

            return _spgr;
        }

        void spec_series::set_type(math::spec::types type)
        {
            _spec->set_type(type);
        }

        void spec_series::update()
        {
            set_y(&(*_spec)[0], _spec->size(), _spec->resolution());

            measure();

            if(_spgr && _spgr->isHidden())
            {
                delete _spgr;
                _spgr = nullptr;
            }
            emit  data_changed();
        }

        void spec_series::measure()
        {
            if(!_measures)
                return;

            if(!_measures->count())
                return;

            if(_spec->empty())
                return;

            _ad->lock_device();

            int meas_cnt = 0;
            std::vector<qreal>::iterator l = _spec->begin() + axis_x()->min()/_spec->resolution();
            std::vector<qreal>::iterator r = _spec->begin() + axis_x()->max()/_spec->resolution();
            for(int i = 0; i < _measures->count(); i++)
            {
                if(_measures->at(i).ad == _ad)
                {
                    meas_cnt++;
                    math::spec_meas::params *p = const_cast<math::spec_meas::params *>(&_measures->at(i));
                    switch (p->type)
                    {
                    case math::spec_meas::types::rms:
                        p->value = math::spec_meas::rms(l, r);
                        break;
                    case math::spec_meas::types::max:
                        p->value = math::spec_meas::max(l, r);
                        break;
                    case math::spec_meas::types::freq_max:
                        p->value = math::spec_meas::freq_max(l, r, _spec->resolution());
                        break;
                    default:
                        break;
                    }
                }
            }

            if(meas_cnt)
                emit measures_changed(_measures);

            _ad->unlock_device();
        }
    }
}