#pragma once

#include <av/av.hpp>
#include <fingerprint_traits.hpp>

#include <boost/serialization/access.hpp>
#include <boost/serialization/array.hpp>
#include <boost/serialization/utility.hpp>

#include <array>
#include <string>
#include <utility>
#include <vector>


namespace fingerprints {
struct wvlt_rgb {
	// a double for (x, y) location represented in a single int
	using coefficient = std::pair<int, double>;
	using pre_fingerprint = std::array<std::vector<double>, 3>;

	std::array<coefficient, 20> reds;
	std::array<coefficient, 20> greens;
	std::array<coefficient, 20> blues;

	static pre_fingerprint pre_calculate(av::frame const & frame);
	static wvlt_rgb calculate(av::frame const & frame);
	double distance_to(pre_fingerprint const & fingerprint) const;

	static std::string name(){ return "wvlt-rgb-20x20x20"; }

private:
	friend class boost::serialization::access;
	template<class Archive>
	void serialize(Archive & ar, const unsigned int /*version*/){
		ar & reds;
		ar & greens;
		ar & blues;
	}
};
} // namespace fingerprints