Jungfraujoch/viewer/widgets/JFJochViewerSettingsDock.h

// SPDX-FileCopyrightText: 2026 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only

#pragma once

#include <QWidget>
#include <memory>

#include "../../common/DiffractionExperiment.h"
#include "../../common/IndexingSettings.h"
#include "../../common/AzimuthalIntegrationSettings.h"
#include "../../common/BraggIntegrationSettings.h"
#include "../../common/ScalingSettings.h"
#include "../../image_analysis/spot_finding/SpotFindingSettings.h"
#include "../../reader/JFJochReaderDataset.h"
#include "../../reader/JFJochReaderImage.h"
#include "../../rugnux/Rugnux.h"   // ProcessMode
#include "../ReferenceMtzInfo.h"
#include "PowderCalibrationWidget.h"   // CalibrationSelection

class QStackedWidget;
class QCheckBox;
class QComboBox;
class QLabel;
class QLineEdit;
class QPushButton;
class QRadioButton;
class SliderPlusBox;
class NumberLineEdit;

// The single, always-visible settings panel: an MX / AzInt / Calib toggle picks the page, and the panel
// is the one place all processing settings live (there is no separate window, so no synchronisation).
// "Analyze image" / "Analyze dataset" sit on top; the page choice decides what a dataset run does.
// Edits feed straight back into the running analysis via the worker.
class JFJochViewerSettingsDock : public QWidget {
    Q_OBJECT
public:
    JFJochViewerSettingsDock(const SpotFindingSettings &spot, const IndexingSettings &indexing,
                             const AzimuthalIntegrationSettings &azint, const BraggIntegrationSettings &bragg,
                             const ScalingSettings &scaling, QWidget *parent = nullptr);

public slots:
    void datasetLoaded(std::shared_ptr<const JFJochReaderDataset> dataset);
    void loadImage(std::shared_ptr<const JFJochReaderImage> image);
    void referenceLoaded(ReferenceMtzInfo info);   // worker reports a (un)loaded reference MTZ
    // Dataset re-processing reads a stored HDF5 file, so it is unavailable on a live HTTP stream:
    // grey out "Analyze dataset" while connected rather than failing with a dialog afterwards.
    void setHttpConnection(bool connected, QString addr);

signals:
    void spotFindingChanged(const SpotFindingSettings &spot, const IndexingSettings &indexing, int64_t max_spots);
    void azintChanged(const AzimuthalIntegrationSettings &settings);
    void braggChanged(BraggIntegrationSettings settings);
    void scalingChanged(ScalingSettings settings);
    void experimentChanged(const DiffractionExperiment &experiment);
    void findBeamCenter(QVector<float> ring_q, bool guess);
    void ringsFromCalibration(QVector<float> rings);
    void referenceSelected(QString path, QString column);   // user picked a reference MTZ / column
    void reanalyzeImage(bool armed);                        // "Analyze image" toggle
    // "Analyze dataset". The mode is the selected page; the calibrant selection is only read for
    // ProcessMode::Calibration and is carried along so the job needs no second copy of the controls.
    void analyzeDataset(ProcessMode mode, CalibrationSelection calibration);

private:
    SpotFindingSettings spot_;
    IndexingSettings indexing_;
    AzimuthalIntegrationSettings azint_;
    BraggIntegrationSettings bragg_;
    ScalingSettings scaling_;
    DiffractionExperiment experiment_;
    bool have_experiment_ = false;     // geometry edits only take effect once a dataset is loaded
    int64_t max_spots_ = 1000;
    // Min-pix is kept as the pair the UI shows - the fixed value AND whether to choose it per image -
    // because spot_.min_pix_per_spot can only hold one of the two (unset = per image). SyncMinPix()
    // turns the pair into that field, and per-image only ever applies to stills.
    bool adaptive_min_pix_ = false;
    int64_t min_pix_value_ = 2;
    ProcessMode mode_ = ProcessMode::FullAnalysis;   // the selected page, and what "Analyze dataset" runs

    // "Analyze dataset" hero button, disabled while a live HTTP source is connected.
    QPushButton *analyzeDatasetBtn_ = nullptr;

    // Indexing-algorithm combo + the description line under it (kept so the Auto resolution refreshes).
    QComboBox *algo_ = nullptr;
    QLabel *algoDesc_ = nullptr;

    // Geometry fields (shared by both MX and AzInt, since both need the same geometry)
    NumberLineEdit *energy_ = nullptr;
    NumberLineEdit *distance_ = nullptr;
    NumberLineEdit *beamX_ = nullptr;
    NumberLineEdit *beamY_ = nullptr;
    NumberLineEdit *rot1_ = nullptr;     // detector tilt (PONI rot1), deg
    NumberLineEdit *rot2_ = nullptr;     // detector tilt (PONI rot2), deg
    // Polarization factor, also shared: it corrects the azimuthal profile and the Bragg intensities
    // alike. Unchecked = no polarization correction (the experiment's factor is unset).
    QCheckBox *polarizationOn_ = nullptr;
    NumberLineEdit *polarization_ = nullptr;

    // How the sample moves between images — the three cases a dataset can be, exactly as a file
    // stores them (a rotation axis, a grid scan, or neither). The choice sets or clears the
    // experiment's goniometer / grid scan, and ApplyProcessingMode() turns it into the
    // indexing/scaling mode. Each group keeps its values while another mode is selected.
    QRadioButton *modeStill_ = nullptr;
    QRadioButton *modeRotation_ = nullptr;
    QRadioButton *modeGrid_ = nullptr;
    QLineEdit *axisName_ = nullptr;
    NumberLineEdit *axisX_ = nullptr, *axisY_ = nullptr, *axisZ_ = nullptr;
    NumberLineEdit *rotStart_ = nullptr, *rotIncrement_ = nullptr;
    // Not editable here, but part of the file's goniometer — kept so rebuilding the axis from the
    // fields does not drop them.
    std::optional<Coord> gonioHelicalStep_;
    std::optional<float> gonioScreeningWedge_;
    // Grid scan. Only the fast-axis point count is a free parameter: the number of slow rows follows
    // from the image count (GridScanSettings::ImageNum), which is why there is no second count field
    // and why gridSummary_ spells out the grid the settings actually make.
    NumberLineEdit *gridNFast_ = nullptr;
    NumberLineEdit *gridStepX_ = nullptr, *gridStepY_ = nullptr;
    QCheckBox *gridVertical_ = nullptr, *gridSnake_ = nullptr;
    QLabel *gridSummary_ = nullptr;
    // Crystal fields
    QCheckBox *cellKnown_ = nullptr;
    NumberLineEdit *cellA_ = nullptr, *cellB_ = nullptr, *cellC_ = nullptr;
    NumberLineEdit *cellAlpha_ = nullptr, *cellBeta_ = nullptr, *cellGamma_ = nullptr;
    NumberLineEdit *spaceGroup_ = nullptr;
    QLabel *spaceGroupName_ = nullptr;   // resolved Hermann–Mauguin symbol

    // Reference dataset (MTZ) for scaling / CCref. The chosen file is remembered so a
    // column change re-loads the same file; the worker owns the reflections, this just drives it.
    QPushButton *refButton_ = nullptr;
    QComboBox *refColumn_ = nullptr;
    QLabel *refSummary_ = nullptr;
    QLabel *refWarning_ = nullptr;
    QString refPath_;

    PowderCalibrationWidget *powder_ = nullptr;
    // Azimuthal integration: one section, shared by the AzInt and Calib pages (a calibration by rings
    // integrates the run in azimuthal sectors), so it sits outside the page stack and is hidden on MX.
    QWidget *azintSection_ = nullptr;

    QWidget *BuildGeometrySection();
    QWidget *BuildMXPage();
    QWidget *BuildGoniometerSection();
    QWidget *BuildBraggSection();
    QWidget *BuildScalingSection();
    QWidget *BuildReferenceSection();
    QWidget *BuildAzIntSection();
    QWidget *BuildCalibrationPage();
    void SyncMinPix();
    void EmitSpotFinding();
    void EmitExperiment();
    void ApplyProcessingMode();   // sample-motion mode -> indexing + scaling rotation/stills mode
    void UpdateAlgorithmDescription();
    void RefreshGeometryFields();
    void UpdateSpaceGroupName();
    void EnableRotationFields(bool on);
    void EnableGridFields(bool on);
    void UpdateGridSummary();
    [[nodiscard]] std::optional<GoniometerAxis> GoniometerFromFields() const;
    [[nodiscard]] std::optional<GridScanSettings> GridScanFromFields() const;
};