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

#include <QVBoxLayout>
#include "JFJochViewerSidePanelChart.h"

JFJochViewerSidePanelChart::JFJochViewerSidePanelChart(QWidget *parent) : QWidget(parent) {
    auto layout = new QVBoxLayout(this);

    combo_box = new QComboBox(this);
    combo_box->addItem("Azimuthal integration (1D)", 0);
    combo_box->addItem("Wilson plot", 1);
    combo_box->addItem("I/sigma", 2);
    combo_box->addItem("Spots (count)", 5);
    combo_box->addItem("Spots (intensity)", 6);
    combo_box->addItem("X-ray fluorescence spectrum", 4);

    layout->addWidget(combo_box);

    connect(combo_box, &QComboBox::currentIndexChanged,
            this, &JFJochViewerSidePanelChart::comboBoxSelected);

    azint_plot = new JFJochSimpleChartView(this);

    layout->addWidget(azint_plot); // index 0
    setLayout(layout);
}

void JFJochViewerSidePanelChart::comboBoxSelected(int val) {
    redrawPlot();
}

void JFJochViewerSidePanelChart::redrawPlot() {
    std::vector<float> x, y;

    if (image) {
        auto index = combo_box->currentIndex();
        switch (combo_box->itemData(index).toInt()) {
            case 0:
                x = image->GetAzInt1D_BinToQ();
                y = image->GetAzInt1D();
                azint_plot->UpdateData(x, y, "Q [Å^-1]", "", false);
                break;
            case 1:
                x = image->ImageData().integration_B_one_over_d_square;
                y = image->ImageData().integration_B_logI;
                azint_plot->UpdateData(x, y, "d [Å]", "ln(&lt;I&gt;)", true);

                break;
            case 2:
                x = image->ImageData().integration_Isigma_one_over_d_square;
                y = image->ImageData().integration_Isigma;
                azint_plot->UpdateData(x, y, "d [Å]", "I/sigma", true);

                break;
            case 4:
                x = image->Dataset().experiment.GetFluorescenceSpectrum().GetEnergy_eV();
                y = image->Dataset().experiment.GetFluorescenceSpectrum().GetData();
                for (auto &iter: x)
                    iter /= 1000.0; // Convert eV to keV
                azint_plot->UpdateData(x, y, "E [keV]", "", false);
                break;
            case 5:
                x = image->ImageData().spot_plot_one_over_d_square;
                y = image->ImageData().spot_plot_count;
                azint_plot->UpdateData(x, y, "d [Å]", "Count", true);

                break;
            case 6:
                x = image->ImageData().spot_plot_one_over_d_square;
                y = image->ImageData().spot_plot_intensity;
                azint_plot->UpdateData(x, y, "d [Å]", "Count", true);
                break;
        }
    }
    connect(azint_plot, &JFJochSimpleChartView::writeStatusBar,
        [&](QString string, int timeout_ms) {
            emit writeStatusBar(string, timeout_ms);
        });
}

void JFJochViewerSidePanelChart::loadImage(std::shared_ptr<const JFJochReaderImage> in_image) {
    image = in_image;
    redrawPlot();
}