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

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

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

    QAction *openHttpAction = fileMenu->addAction("Open HTTP");
    openHttpAction->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_H));
    connect(openHttpAction, &QAction::triggered, this, &JFJochViewerMenu::openHttpSelected);

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

    // Add seperator
    fileMenu->addSeparator();

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

    QMenu *maskMenu = addMenu("Mask");
    const QAction *saveMaskTiff = maskMenu->addAction("Save User Mask as TIFF...");
    connect(saveMaskTiff, &QAction::triggered, this, &JFJochViewerMenu::saveUserMaskAsTiffSelected);

    const QAction *uploadMask = maskMenu->addAction("&Upload User Mask");
    connect(uploadMask, &QAction::triggered, this, &JFJochViewerMenu::uploadUserMaskAction);

    const QAction *clearMask = maskMenu->addAction("Clear User Mask");
    connect(clearMask, &QAction::triggered, [this] () {emit clearUserMaskSelected();});

    windowMenu = addMenu("Window");

    QMenu *dockMenu = addMenu("Charts");
    const QAction *dockCalibration = dockMenu->addAction("New dataset info plot");
    connect(dockCalibration, &QAction::triggered, [this] { emit openDatasetInfo();});

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

void JFJochViewerMenu::AddWindowEntry(JFJochHelperWindow *window, const QString &name) {
    auto action = windowMenu->addAction(name);
    action->setCheckable(true);
    action->setChecked(false);
    connect(action, &QAction::toggled, window, &JFJochHelperWindow::toggle);
    connect(window, &JFJochHelperWindow::closing, [action] {action->setChecked(false);});
}


void JFJochViewerMenu::aboutSelected() {
    QPixmap pixmap(":/jfjoch.png");

    QString version(QString::fromStdString(jfjoch_version()));
    // Create QMessageBox
    QMessageBox aboutBox(this);
    aboutBox.setWindowTitle("About");

    // 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>"
        "<p><b>Links:</b> <a href='https://jungfraujoch.readthedocs.io'>Documentation</a>, "
       "<a href='https://gitea.psi.ch/mx/jungfraujoch'>Repository</a></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.setIconPixmap(pixmap);

    // 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::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);

    char *host = std::getenv("JUNGFRAUJOCH_HTTP_HOST");
    if (host != nullptr)
        hostEdit->setText(host);
    else
        hostEdit->setText("localhost");
    layout->addWidget(hostEdit, 0, 1);


    QSpinBox *portSpinBox = new QSpinBox(&dialog);
    portSpinBox->setRange(1, 65535);

    char *port_std = std::getenv("JUNGFRAUJOCH_HTTP_PORT");
    if (port_std != nullptr) {
        const int tmp = std::stoi(std::string(port_std));
        if (tmp < 65536 && tmp > 0)
            portSpinBox->setValue(tmp);
    } else
        portSpinBox->setValue(8080);

    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);
    }
}

void JFJochViewerMenu::saveUserMaskAsTiffSelected() {
    QString filename = QFileDialog::getSaveFileName(
        this,
        "Save User Mask as TIFF",
        "",
        "TIFF Images (*.tif *.tiff);;All Files (*)"
    );
    if (!filename.isEmpty()) {
        emit saveUserMaskTiffSelected(filename);
    }
}

void JFJochViewerMenu::uploadUserMaskAction() {
    auto reply = QMessageBox::question(
        this,
        "Upload User Mask",
        "Upload current user mask to the server?",
        QMessageBox::Yes | QMessageBox::No,
        QMessageBox::No
    );
    if (reply == QMessageBox::Yes) {
        emit uploadUserMaskSelected();
    }
}