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

#ifndef JFJOCH_INDEXER_H
#define JFJOCH_INDEXER_H

#include <optional>

#include "../../common/CrystalLattice.h"

#include "../../common/DiffractionExperiment.h"
#include "../../common/JFJochMessages.h"
#include "../../common/SpotToSave.h"

struct IndexerResult {
    std::vector<CrystalLattice> lattice;
    float indexing_time_s;
    bool executed = false; // If indexing was not performed (due to indexer being not-available) mark it, so indexing result is marked accordingly
};

class Indexer {
protected:
    int64_t viable_cell_min_spots = 9;
    float indexing_tolerance = 0.1;
    float dist_tolerance_vs_reference = 0.05;
    bool index_ice_rings = true;

    DiffractionGeometry geom;
    std::optional<UnitCell> reference_unit_cell;

    virtual void SetupUnitCell(const std::optional<UnitCell>& cell) = 0;
    virtual std::vector<CrystalLattice> RunInternal(const std::vector<Coord> &coord, size_t nspots) = 0;
public:
    virtual ~Indexer() = default;
    void Setup(const DiffractionExperiment& experiment);
    IndexerResult Run(const std::vector<Coord> &coord);
};

#endif //JFJOCH_INDEXER_H