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

#include "JFJochViewerProcessingWidget.h"

#include <QHBoxLayout>
#include <QGroupBox>
#include <QFormLayout>
#include <QCloseEvent>

JFJochViewerProcessingWidget::JFJochViewerProcessingWidget(QWidget *parent)
        : QWidget(parent) {
    m_settings.enable = false;

    auto centralWidget = new QWidget(this);
    auto mainLayout = new QVBoxLayout(centralWidget);

    auto generalGroup = new QGroupBox("Spot finding", this);
    auto generalLayout = new QFormLayout(generalGroup);

    m_enableCheckBox = new QCheckBox("Enable", this);
    generalLayout->addRow("", m_enableCheckBox);

    connect(m_enableCheckBox, &QCheckBox::toggled, [this](bool checked) {
        m_settings.enable = checked;
        emit settingsChanged(m_settings);
    });

    m_signalToNoise = new SliderPlusBox(1.0, 10.0, 0.1, 1, this);
    generalLayout->addRow("Signal to Noise threshold:", m_signalToNoise);

    connect(m_signalToNoise, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.signal_to_noise_threshold = val;
        emit settingsChanged(m_settings);
    });

    m_photonCount = new SliderPlusBox(0.0, 100.0, 1.0, 0, this);
    generalLayout->addRow("Photon count threshold:", m_photonCount);

    connect(m_photonCount, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.photon_count_threshold = val;
        emit settingsChanged(m_settings);
    });

    m_minPixPerSpot = new SliderPlusBox(1.0, 20.0, 1.0, 0, this);
    generalLayout->addRow("Minimum pixels per spot:", m_minPixPerSpot);

    connect(m_minPixPerSpot, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.min_pix_per_spot = std::lround(val);
        emit settingsChanged(m_settings);
    });

    m_maxPixPerSpot = new SliderPlusBox(10.0, 200.0, 1.0, 0, this);
    generalLayout->addRow("Maximum pixels per spot:", m_maxPixPerSpot);

    connect(m_maxPixPerSpot, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.max_pix_per_spot = std::lround(val);
        emit settingsChanged(m_settings);
    });

    m_highResolution = new SliderPlusBox(0.8, 10.0, 0.1, 1, this);
    generalLayout->addRow("High resolution", m_highResolution);

    connect(m_highResolution, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.high_resolution_limit = val;
        emit settingsChanged(m_settings);
    });

    m_lowResolution = new SliderPlusBox(10.0, 100.0, 0.1, 1, this);
    generalLayout->addRow("Low resolution", m_lowResolution);

    connect(m_lowResolution, &SliderPlusBox::valueChanged, [this] (double val) {
        m_settings.low_resolution_limit = val;
        emit settingsChanged(m_settings);
    });

    auto processingGroup = new QGroupBox("Other steps", this);
    auto processingLayout = new QFormLayout(processingGroup);

    m_indexingCheckBox = new QCheckBox("Enable Indexing", this);
    processingLayout->addRow("", m_indexingCheckBox);

    connect(m_indexingCheckBox, &QCheckBox::toggled, [this](bool checked) {
        m_settings.indexing = checked;
        emit settingsChanged(m_settings);
    });

    m_quickIntegrationCheckBox = new QCheckBox("Enable Quick Integration", this);
    processingLayout->addRow("", m_quickIntegrationCheckBox);

    connect(m_quickIntegrationCheckBox, &QCheckBox::toggled, [this](bool checked) {
        m_settings.quick_integration = checked;
        emit settingsChanged(m_settings);
    });

    auto buttonsLayout = new QHBoxLayout();
    m_resetButton = new QPushButton("Reset to Defaults", this);

    buttonsLayout->addWidget(m_resetButton);
    buttonsLayout->addStretch();

    connect(m_resetButton, &QPushButton::clicked, this, &JFJochViewerProcessingWidget::resetToDefaults);

    mainLayout->addWidget(generalGroup);
    mainLayout->addWidget(processingGroup);
    mainLayout->addLayout(buttonsLayout);

    setLayout(mainLayout);

    updateUiFromSettings();
}

void JFJochViewerProcessingWidget::updateUiFromSettings() {
    m_enableCheckBox->setChecked(m_settings.enable);

    m_signalToNoise->setValue(m_settings.signal_to_noise_threshold);
    m_photonCount->setValue(std::lround(m_settings.photon_count_threshold));
    m_minPixPerSpot->setValue(std::lround(m_settings.min_pix_per_spot));
    m_maxPixPerSpot->setValue(std::lround(m_settings.max_pix_per_spot));
    m_highResolution->setValue(m_settings.high_resolution_limit);
    m_lowResolution->setValue(m_settings.low_resolution_limit);

    m_indexingCheckBox->setChecked(m_settings.indexing);
    m_quickIntegrationCheckBox->setChecked(m_settings.quick_integration);
}

void JFJochViewerProcessingWidget::resetToDefaults() {
    // Reset to default values
    m_settings = SpotFindingSettings();
    m_settings.enable = false;
    updateUiFromSettings();
    emit settingsChanged(m_settings);
}