// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#pragma once

#include <map>
#include <vector>
#include <cstdint>
#include <optional>

#include "DetectorSetup.h"
#include "ROIDefinition.h"
#include "DiffractionGeometry.h"
#include "DetectorModules.h"

class ROIMap {
    ROIDefinition rois;

    static constexpr const size_t roi_limit = 16;
public:
    void SetROI(const ROIDefinition& input);
    // Box and circle ROIs are drawn in image pixels; azimuthal ROIs at each pixel's place on the plane
    // (`modules`, empty when that is where the image has it).
    [[nodiscard]] std::vector<uint16_t> GetROIMap(const DiffractionGeometry &geom, const DetectorModules &modules,
                                                  size_t width, size_t height) const;
    [[nodiscard]] std::map<std::string, uint16_t> GetROINameMap() const;
    [[nodiscard]] const ROIDefinition& GetROIDefinition() const;
    [[nodiscard]] bool empty() const;
    [[nodiscard]] size_t size() const;
    [[nodiscard]] std::vector<ROIConfig> ExportMetadata() const;
};