// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#pragma once

// This include should be only included in sections of the code, where it is certain that CUDA is present
// so with JFJOCH_USE_CUDA preprocessor definition, given this file is included in the source only in this case

#include <vector>
#include <memory>

#include "../../common/Coord.h"
#include "../../common/CrystalLattice.h"
#include "../../common/Definitions.h"
#include "../../common/JFJochMessages.h"
#include "../../common/DiffractionSpot.h"
#include "Indexer.h"

#include <ffbidx/refine.h>

class FFBIDXIndexer : public Indexer {
    fast_feedback::config_runtime<float> crt{};
    fast_feedback::config_persistent<float> cpers{
            .max_output_cells = 32,
            .max_input_cells = 1,
            .max_spots = MAX_SPOT_COUNT,
            .num_candidate_vectors = 32,
            .redundant_computations = true,
    };    // default persistent config

    fast_feedback::refine::indexer<float> indexer{cpers, crt};

    void SetupUnitCell(const std::optional<UnitCell> &cell) override;
public:
    FFBIDXIndexer() = default;
    ~FFBIDXIndexer() = default;
    FFBIDXIndexer(const FFBIDXIndexer &i) = delete;
    const FFBIDXIndexer& operator=(const FFBIDXIndexer &i) = delete;

    std::vector<CrystalLattice> RunInternal(const std::vector<Coord> &coord, size_t nspots) override;
};