// Copyright (2019-2022) Paul Scherrer Institute
// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef JUNGFRAUJOCH_STRONGPIXELSET_H
#define JUNGFRAUJOCH_STRONGPIXELSET_H

#include <unordered_map>
#include <mutex>
#include "../common/DiffractionExperiment.h"
#include "../common/Coord.h"
#include "../common/DiffractionSpot.h"

inline uint32_t strong_pixel_coord(uint16_t col, uint16_t line) {
    return col + (static_cast<uint32_t>(line) << 16u);
}

inline uint16_t line_from_strong_pixel(uint32_t strong_pixel) {
    return ((strong_pixel & 0xFFFF0000u) >> 16u);
}

inline uint16_t col_from_strong_pixel(uint32_t strong_pixel) {
    return (strong_pixel & 0x0000FFFFu);
}

class StrongPixelSet {
    std::unordered_map<uint32_t, int32_t> strong_pixel_map;
    uint32_t xpixel;
    uint32_t ypixel;
    std::vector<bool> strong_pixel_vector;
    void AddNeighbor(DiffractionSpot &spot, uint16_t col, uint16_t line);
    DiffractionSpot BuildSpot(std::unordered_map<uint32_t, int32_t>::iterator &it_frames);
    void ExtendSpot(DiffractionSpot &spot, std::unordered_map<uint32_t, int32_t>::iterator &it_frames);
public:
    StrongPixelSet(const DiffractionExperiment& experiment);
    size_t Count() const;
    void AddStrongPixel(uint16_t col, uint16_t line, int32_t photons = 1);
    void FindSpots(const DiffractionExperiment &experiment, const JFJochProtoBuf::DataProcessingSettings &settings, std::vector<DiffractionSpot> &spots);
    size_t Common(const StrongPixelSet &set) const;
};


#endif //JUNGFRAUJOCH_STRONGPIXELSET_H