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

#include "JFJochViewerMenu.h"

#include <QMessageBox>
#include <QApplication>
#include <QFileDialog>
#include <QString>
#include <QGridLayout>
#include <QLabel>
#include <QLineEdit>
#include <QSpinBox>
#include <QDialogButtonBox>

#include "../common/GitInfo.h"

JFJochViewerMenu::JFJochViewerMenu(QWidget *parent) : QMenuBar(parent) {
    // Create "File" menu
    QMenu *fileMenu = addMenu("File");

    const QAction *openAction = fileMenu->addAction("&Open");
    connect(openAction, &QAction::triggered, this, &JFJochViewerMenu::openSelected);

    const QAction *openHttpAction = fileMenu->addAction("Open &HTTP");
    connect(openHttpAction, &QAction::triggered, this, &JFJochViewerMenu::openHttpSelected);

    const QAction *closeAction = fileMenu->addAction("&Close");
    connect(closeAction, &QAction::triggered, this, &JFJochViewerMenu::closeSelected);

    // Add seperator
    fileMenu->addSeparator();

    // Add "Quit" action
    const QAction *quitAction = fileMenu->addAction("&Quit");
    connect(quitAction, &QAction::triggered, this, &JFJochViewerMenu::quitSelected);

    QMenu *windowMenu = addMenu("Window");
    toggleImageWindowAction = windowMenu->addAction("Image list");
    toggleImageWindowAction->setCheckable(true);
    toggleImageWindowAction->setChecked(false);
    connect(toggleImageWindowAction, &QAction::toggled,
            this, &JFJochViewerMenu::imageListWindowToggled);

    toggleMetadataWindowAction = windowMenu->addAction("Metadata");
    toggleMetadataWindowAction->setCheckable(true);
    toggleMetadataWindowAction->setChecked(false);
    connect(toggleMetadataWindowAction, &QAction::toggled,
            this, &JFJochViewerMenu::metadataWindowToggled);

    toggleSpotWindowAction = windowMenu->addAction("Spot list");
    toggleSpotWindowAction->setCheckable(true);
    toggleSpotWindowAction->setChecked(false);
    connect(toggleSpotWindowAction, &QAction::toggled,
            this, &JFJochViewerMenu::spotListWindowToggled);

    toggleReflectionWindowAction = windowMenu->addAction("Reflection list");
    toggleReflectionWindowAction->setCheckable(true);
    toggleReflectionWindowAction->setChecked(false);
    connect(toggleReflectionWindowAction, &QAction::toggled,
            this, &JFJochViewerMenu::reflectionListWindowToggled);

    toggleProcessingWindowAction = windowMenu->addAction("Processing");
    toggleProcessingWindowAction->setCheckable(true);
    toggleProcessingWindowAction->setChecked(false);
    connect(toggleProcessingWindowAction, &QAction::toggled,
        this, &JFJochViewerMenu::processingWindowToggled);

    QMenu *helpMenu = addMenu("Help");
    // Add "About" action
    const QAction *aboutAction = helpMenu->addAction("About");
    connect(aboutAction, &QAction::triggered, this, &JFJochViewerMenu::aboutSelected);
}

void JFJochViewerMenu::aboutSelected() {
    QString version(QString::fromStdString(jfjoch_version()));
    // Create QMessageBox
    QMessageBox aboutBox(this);
    aboutBox.setWindowTitle("About Jungfraujoch Image Viewer");

    // Set detailed text with proper spacing and structure
    aboutBox.setText(
        "<h3>Jungfraujoch Image Viewer</h3>" // Use HTML for improved style
        "<p><b>Version:</b> " + version + "</p>"
        "<p><b>Copyright:</b> 2019-2025 Paul Scherrer Institute</p>"
        "<p><b>Author:</b> Filip Leonarski &lt;filip.leonarski@psi.ch&gt;</p>"
    );

    // Optional: Add a larger informative text, if needed
    aboutBox.setInformativeText(
        "This program comes with ABSOLUTELY NO WARRANTY. "
        "This is free software, and you are welcome to redistribute it "
        "under certain conditions (GPLv3).\n\n"
        "Development supported by Innovation Project (101.535.1 IP-ENG) from Innosuisse."
    );

    // Set an icon
    aboutBox.setIcon(QMessageBox::Information);

    // Execute the dialog
    aboutBox.exec();
}

void JFJochViewerMenu::openSelected() {
    QString fileName = QFileDialog::getOpenFileName(
        this,
        "Open File",                // Dialog title
        "",                        // Default folder
        "HDF5 Master Files (*_master.h5);; HDF5 Files (*.h5);;All Files (*)" // Filter for .h5 files
    );

    if (!fileName.isEmpty())
        emit fileOpenSelected(fileName, 0, 1);
}

void JFJochViewerMenu::closeSelected() {
    emit fileCloseSelected();
}

void JFJochViewerMenu::quitSelected() {
    QApplication::quit();
}

void JFJochViewerMenu::imageListWindowToggled(bool checked) {
    if (checked)
        emit openImageListWindow();
    else
        emit closeImageListWindow();
}

void JFJochViewerMenu::metadataWindowToggled(bool checked) {
    if (checked)
        emit openMetadataWindow();
    else
        emit closeMetadataWindow();
}

void JFJochViewerMenu::imageListWindowClosing() {
    toggleImageWindowAction->setChecked(false);
}

void JFJochViewerMenu::metadataWindowClosing() {
    toggleMetadataWindowAction->setChecked(false);
}

void JFJochViewerMenu::spotListWindowToggled(bool checked) {
    if (checked)
        emit openSpotListWindow();
    else
        emit closeSpotListWindow();
}

void JFJochViewerMenu::spotListWindowClosing() {
    toggleSpotWindowAction->setChecked(false);
}

void JFJochViewerMenu::reflectionListWindowToggled(bool checked) {
    if (checked)
        emit openReflectionListWindow();
    else
        emit closeReflectionListWindow();
}

void JFJochViewerMenu::reflectionListWindowClosing() {
    toggleReflectionWindowAction->setChecked(false);
}

void JFJochViewerMenu::processingWindowToggled(bool checked) {
    if (checked)
        emit openProcessingWindow();
    else
        emit closeProcessingWindow();
}
void JFJochViewerMenu::processingWindowClosing() {
    toggleProcessingWindowAction->setChecked(false);
}

void JFJochViewerMenu::openHttpSelected() {
    QDialog dialog(this);
    dialog.setWindowTitle("Open HTTP Connection");
    dialog.setMinimumWidth(400);

    QGridLayout *layout = new QGridLayout(&dialog);
    layout->addWidget(new QLabel("http://"), 0, 0);
    layout->addWidget(new QLabel(":"), 0, 2);

    QLineEdit *hostEdit = new QLineEdit(&dialog);
    hostEdit->setText("localhost");
    layout->addWidget(hostEdit, 0, 1);

    QSpinBox *portSpinBox = new QSpinBox(&dialog);
    portSpinBox->setRange(1, 65535);
    portSpinBox->setValue(5232);
    layout->addWidget(portSpinBox, 0, 3);

    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
    connect(buttonBox, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
    connect(buttonBox, &QDialogButtonBox::rejected, &dialog, &QDialog::reject);
    layout->addWidget(buttonBox, 1, 0, 1, 4);

    dialog.setLayout(layout);

    if (dialog.exec() == QDialog::Accepted) {
        QString url = QString("http://%1:%2")
                .arg(hostEdit->text())
                .arg(portSpinBox->value());

        emit fileOpenSelected(url, -1, 1);
    }
}