#pragma once
#include "ui_ftnoir_accela_filtercontrols.h"
#include "opentrack/plugin-api.hpp"
#include <QMutex>

#define ACCELA_SMOOTHING_ROTATION 60.0
#define ACCELA_SMOOTHING_TRANSLATION 40.0
#define ACCELA_SECOND_ORDER_ALPHA 100.0
#define ACCELA_THIRD_ORDER_ALPHA 180.0

#include "opentrack/options.hpp"
using namespace options;

struct settings {
    pbundle b;
    value<double> rotation_alpha,
                  translation_alpha,
                  second_order_alpha,
                  third_order_alpha,
                  rot_deadzone,
                  trans_deadzone,
                  expt;
    settings() :
        b(bundle("Accela")),
        rotation_alpha(b, "rotation-alpha", ACCELA_SMOOTHING_ROTATION),
        translation_alpha(b, "translation-alpha", ACCELA_SMOOTHING_TRANSLATION),
        second_order_alpha(b, "second-order-alpha", ACCELA_SECOND_ORDER_ALPHA),
        third_order_alpha(b, "third-order-alpha", ACCELA_THIRD_ORDER_ALPHA),
        rot_deadzone(b, "rotation-deadband", 0),
        trans_deadzone(b, "translation-deadband", 0),
        expt(b, "exponent", 2)
    {}
};

class FTNoIR_Filter : public IFilter
{
public:
    FTNoIR_Filter();
    void filter(const double* target_camera_position, double *new_camera_position);
    void reset() {
        first_run = true;
    }
    void receiveSettings() {
        s.b->reload();
    }
private:
    settings s;
    bool first_run;
    double last_output[3][6];
};

class FilterControls: public IFilterDialog
{
    Q_OBJECT
public:
    FilterControls();
    void register_filter(IFilter* filter);
    void unregister_filter();
private:
    Ui::AccelaUICFilterControls ui;
    void discard();
    void save();
    FTNoIR_Filter* accela_filter;
    settings s;
private slots:
    void doOK();
    void doCancel();
};

class FTNoIR_FilterDll : public Metadata
{
public:
    QString name() { return QString("Accela"); }
    QIcon icon() { return QIcon(":/images/filter-16.png"); }
};