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/*
 * Copyright (c) 2017-2018 Wei Shuai <cpuwolf@gmail.com>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 */

#pragma once

#include "pt-api.hpp"

#include "compat/timer.hpp"

#include <functional>
#include <memory>
#include <tuple>

#include <opencv2/core.hpp>
#include <opencv2/videoio.hpp>

#include <QString>

#include <wiiyourself/wiimote.h>
#include "wii_frame.hpp"

namespace pt_module {

struct WIICamera final : pt_camera
{
    WIICamera(const QString& module_name);

    pt_camera_open_status start(int idx, int fps, int res_x, int res_y) override;
    void stop() override;

    result get_frame(pt_frame& Frame) override;
    result get_info() const override;

    pt_camera_info get_desired() const override { return cam_desired; }
    QString get_desired_name() const override;
    QString get_active_name() const override;

    operator bool() const override { return m_pDev && (!m_pDev->ConnectionLost()); }

    void set_fov(double value) override {}
    void show_camera_settings() override;


private:
	std::unique_ptr<wiimote> m_pDev;
	static void on_state_change(wiimote &remote,
		state_change_flags changed,
		const wiimote_state &new_state);
	bool onExit = false;
	pt_frame internalframe;
	
	wii_camera_status _pair();
	wii_camera_status _get_frame(cv::Mat& Frame);
	bool _get_points(struct wii_info&);
	void _get_status(struct wii_info&);

    double dt_mean = 0;

    Timer t;

    pt_camera_info cam_info;
    pt_camera_info cam_desired;
    QString desired_name, active_name;

    pt_settings s;

    static constexpr inline double dt_eps = 1./384;
};

} // ns pt_module