/* profile_dialog.cpp
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <gerald@wireshark.org>
 * Copyright 1998 Gerald Combs
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "config.h"
#include <glib.h>

#include "wsutil/filesystem.h"
#include "wsutil/utf8_entities.h"
#include "epan/prefs.h"

#include <ui/qt/utils/qt_ui_utils.h>

#include "ui/profile.h"
#include "ui/recent.h"

#include <ui/qt/utils/variant_pointer.h>
#include <ui/qt/models/profile_model.h>

#include "profile_dialog.h"
#include <ui_profile_dialog.h>
#include "wireshark_application.h"
#include <ui/qt/utils/color_utils.h>
#include <ui/qt/simple_dialog.h>

#include <QBrush>
#include <QDir>
#include <QFont>
#include <QMessageBox>
#include <QPushButton>
#include <QTreeWidgetItem>
#include <QUrl>
#include <QComboBox>
#include <QLineEdit>
#include <QFileDialog>
#include <QStandardPaths>
#include <QKeyEvent>
#include <QMenu>
#include <QMessageBox>

#define PROFILE_EXPORT_PROPERTY "export"
#define PROFILE_EXPORT_ALL "all"
#define PROFILE_EXPORT_SELECTED "selected"

ProfileDialog::ProfileDialog(QWidget *parent) :
    GeometryStateDialog(parent),
    pd_ui_(new Ui::ProfileDialog),
    ok_button_(Q_NULLPTR),
    import_button_(Q_NULLPTR),
    model_(Q_NULLPTR),
    sort_model_(Q_NULLPTR)
{
    pd_ui_->setupUi(this);
    loadGeometry();
    setWindowTitle(wsApp->windowTitleString(tr("Configuration Profiles")));

    ok_button_ = pd_ui_->buttonBox->button(QDialogButtonBox::Ok);

    // XXX - Use NSImageNameAddTemplate and NSImageNameRemoveTemplate to set stock
    // icons on macOS.
    // Are there equivalent stock icons on Windows?
    pd_ui_->newToolButton->setStockIcon("list-add");
    pd_ui_->deleteToolButton->setStockIcon("list-remove");
    pd_ui_->copyToolButton->setStockIcon("list-copy");
#ifdef Q_OS_MAC
    pd_ui_->newToolButton->setAttribute(Qt::WA_MacSmallSize, true);
    pd_ui_->deleteToolButton->setAttribute(Qt::WA_MacSmallSize, true);
    pd_ui_->copyToolButton->setAttribute(Qt::WA_MacSmallSize, true);
    pd_ui_->lblInfo->setAttribute(Qt::WA_MacSmallSize, true);
#endif

    import_button_ = pd_ui_->buttonBox->addButton(tr("Import", "noun"), QDialogButtonBox::ActionRole);

#ifdef HAVE_MINIZIP
    export_button_ = pd_ui_->buttonBox->addButton(tr("Export", "noun"), QDialogButtonBox::ActionRole);

    QMenu * importMenu = new QMenu(import_button_);
    QAction * entry = importMenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS " from Zip"));
    connect( entry, &QAction::triggered, this, &ProfileDialog::importFromZip);
    entry = importMenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS " from Directory"));
    connect( entry, &QAction::triggered, this, &ProfileDialog::importFromDirectory);
    import_button_->setMenu(importMenu);

    QMenu * exportMenu = new QMenu(export_button_);
    export_selected_entry_ = exportMenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS " selected entry"));
    export_selected_entry_->setProperty(PROFILE_EXPORT_PROPERTY, PROFILE_EXPORT_SELECTED);
    connect( export_selected_entry_, &QAction::triggered, this, &ProfileDialog::exportProfiles);
    entry = exportMenu->addAction(tr(UTF8_HORIZONTAL_ELLIPSIS " all user profiles"));
    entry->setProperty(PROFILE_EXPORT_PROPERTY, PROFILE_EXPORT_ALL);
    connect( entry, &QAction::triggered, this, &ProfileDialog::exportProfiles);
    export_button_->setMenu(exportMenu);
#else
    connect( import_button_, &QPushButton::clicked, this, &ProfileDialog::importFromDirectory);
#endif

    resetTreeView();

    connect(pd_ui_->profileTreeView, &ProfileTreeView::currentItemChanged,
            this, &ProfileDialog::currentItemChanged);

    connect(pd_ui_->profileTreeView, &ProfileTreeView::itemUpdated,
            this, &ProfileDialog::editingFinished);

    /* Select the row for the currently selected profile or the first row if non is selected*/
    selectProfile();

    QStringList items;
    items << tr("All profiles") << tr("System profiles") << tr("User profiles");
    pd_ui_->cmbProfileTypes->addItems(items);

    connect (pd_ui_->cmbProfileTypes, SIGNAL(currentTextChanged(const QString &)),
              this, SLOT(filterChanged(const QString &)));
    connect (pd_ui_->lineProfileFilter, SIGNAL(textChanged(const QString &)),
              this, SLOT(filterChanged(const QString &)));

    currentItemChanged();

    pd_ui_->profileTreeView->setFocus();
}

ProfileDialog::~ProfileDialog()
{
    delete pd_ui_;
    empty_profile_list (TRUE);
}

void ProfileDialog::keyPressEvent(QKeyEvent *evt)
{
    if( pd_ui_->lineProfileFilter->hasFocus() && (evt->key() == Qt::Key_Enter || evt->key() == Qt::Key_Return) )
        return;
    QDialog::keyPressEvent(evt);
}

void ProfileDialog::selectProfile(QString profile)
{
    if ( profile.isEmpty() )
        profile = QString(get_profile_name());

    int row = model_->findByName(profile);
    QModelIndex idx = sort_model_->mapFromSource(model_->index(row, ProfileModel::COL_NAME));
    if ( idx.isValid() )
        pd_ui_->profileTreeView->selectRow(idx.row());
}

int ProfileDialog::execAction(ProfileDialog::ProfileAction profile_action)
{
    int ret = QDialog::Accepted;
    QModelIndex item;

    switch (profile_action) {
    case ShowProfiles:
        ret = exec();
        break;
    case NewProfile:
        on_newToolButton_clicked();
        ret = exec();
        break;
    case ImportZipProfile:
#ifdef HAVE_MINIZIP
        importFromZip();
#endif
        break;
    case ImportDirProfile:
        importFromDirectory();
        break;
    case ExportSingleProfile:
#ifdef HAVE_MINIZIP
        exportProfiles();
#endif
        break;
    case ExportAllProfiles:
#ifdef HAVE_MINIZIP
        exportProfiles(true);
#endif
        break;
    case EditCurrentProfile:
        item = pd_ui_->profileTreeView->currentIndex();
        if (item.isValid()) {
            pd_ui_->profileTreeView->edit(item);
        }
        ret = exec();
        break;
    case DeleteCurrentProfile:
        if (delete_current_profile()) {
            wsApp->setConfigurationProfile (Q_NULLPTR);
        }
        break;
    }
    return ret;
}

void ProfileDialog::updateWidgets()
{
    bool enable_del = false;
    bool enable_ok = true;

    QString msg = "";
    if ( model_->changesPending() )
        msg = tr("An import of profiles is not allowed, while changes are pending.");
    import_button_->setToolTip(msg);
    import_button_->setEnabled( ! model_->changesPending() );

    QModelIndex index = sort_model_->mapToSource(pd_ui_->profileTreeView->currentIndex());
    if ( index.column() != ProfileModel::COL_NAME )
        index = index.sibling(index.row(), ProfileModel::COL_NAME);

    if (index.isValid()) {
        if ( !index.data(ProfileModel::DATA_IS_GLOBAL).toBool() || ! model_->resetDefault())
            enable_del = true;
    }

    if (model_ && model_->rowCount() > 0)
    {
        for ( int row = 0; row < model_->rowCount(); row++ )
        {
            QModelIndex idx = model_->index(row, ProfileModel::COL_NAME);
            QString name = idx.data().toString();

            if ( ! ProfileModel::checkNameValidity(name) )
            {
                enable_ok = false;
                continue;
            }

            if ( idx != index && idx.data().toString().compare(index.data().toString()) == 0 )
            {
                if (idx.data(ProfileModel::DATA_IS_GLOBAL).toBool() == index.data(ProfileModel::DATA_IS_GLOBAL).toBool())
                    enable_ok = false;
            }

            QList<int> rows = model_->findAllByNameAndVisibility(name, idx.data(ProfileModel::DATA_IS_GLOBAL).toBool());
            if ( rows.count() > 1 )
                enable_ok = false;
        }
    }

    pd_ui_->profileTreeView->resizeColumnToContents(0);
    pd_ui_->deleteToolButton->setEnabled(enable_del);
    ok_button_->setEnabled(enable_ok);
}

void ProfileDialog::currentItemChanged()
{
    QModelIndex idx = pd_ui_->profileTreeView->currentIndex();
    if ( idx.isValid() )
    {
        QString temp = idx.data(ProfileModel::DATA_PATH).toString();
        if ( idx.data(ProfileModel::DATA_PATH_IS_NOT_DESCRIPTION).toBool() )
            pd_ui_->lblInfo->setUrl(QUrl::fromLocalFile(temp).toString());
        else
            pd_ui_->lblInfo->setUrl(QString());
        pd_ui_->lblInfo->setText(temp);
        pd_ui_->lblInfo->setToolTip(idx.data(Qt::ToolTipRole).toString());
    }

    updateWidgets();
}

void ProfileDialog::on_newToolButton_clicked()
{
    pd_ui_->lineProfileFilter->setText("");
    pd_ui_->cmbProfileTypes->setCurrentIndex(ProfileSortModel::AllProfiles);
    sort_model_->setFilterString();

    QModelIndex ridx = sort_model_->mapFromSource(model_->addNewProfile(tr("New profile")));
    if (ridx.isValid())
    {
        pd_ui_->profileTreeView->setCurrentIndex(ridx);
        pd_ui_->profileTreeView->scrollTo(ridx);
        pd_ui_->profileTreeView->edit(ridx);
        currentItemChanged();
    }
    else
        updateWidgets();
}

void ProfileDialog::on_deleteToolButton_clicked()
{
    QModelIndex index = sort_model_->mapToSource(pd_ui_->profileTreeView->currentIndex());

    model_->deleteEntry(index);

    QModelIndex newIdx = sort_model_->mapFromSource(model_->index(0, 0));
    pd_ui_->profileTreeView->setCurrentIndex(newIdx);

    updateWidgets();
}

void ProfileDialog::on_copyToolButton_clicked()
{
    pd_ui_->lineProfileFilter->setText("");
    pd_ui_->cmbProfileTypes->setCurrentIndex(ProfileSortModel::AllProfiles);
    sort_model_->setFilterString();

    QModelIndex current = pd_ui_->profileTreeView->currentIndex();
    if ( current.column() != ProfileModel::COL_NAME )
        current = current.sibling(current.row(), ProfileModel::COL_NAME);

    QModelIndex source = sort_model_->mapToSource(current);
    QModelIndex ridx = model_->duplicateEntry(source);
    if (ridx.isValid())
    {
        pd_ui_->profileTreeView->setCurrentIndex(sort_model_->mapFromSource(ridx));
        pd_ui_->profileTreeView->scrollTo(sort_model_->mapFromSource(ridx));
        pd_ui_->profileTreeView->edit(sort_model_->mapFromSource(ridx));
        currentItemChanged();
    }
    else
        updateWidgets();
}

void ProfileDialog::on_buttonBox_accepted()
{
    bool write_recent = true;
    bool item_data_removed = false;

    QModelIndex index = sort_model_->mapToSource(pd_ui_->profileTreeView->currentIndex());
    QModelIndex default_item = sort_model_->mapFromSource(model_->index(0, ProfileModel::COL_NAME));
    if (index.column() != ProfileModel::COL_NAME)
        index = index.sibling(index.row(), ProfileModel::COL_NAME);

    if (default_item.data(ProfileModel::DATA_STATUS).toInt() == PROF_STAT_DEFAULT && model_->resetDefault())
    {
        // Reset Default profile.
        GList *fl_entry = model_->at(0);
        remove_from_profile_list(fl_entry);

        // Don't write recent file if leaving the Default profile after this has been reset.
        write_recent = !is_default_profile();

        // Don't fetch profile data if removed.
        item_data_removed = (index.row() == 0);
    }

    if (write_recent) {
        /* Get the current geometry, before writing it to disk */
        wsApp->emitAppSignal(WiresharkApplication::ProfileChanging);

        /* Write recent file for current profile now because
         * the profile may be renamed in apply_profile_changes() */
        write_profile_recent();
    }

    gchar * err_msg = Q_NULLPTR;
    if ((err_msg = apply_profile_changes()) != Q_NULLPTR) {
        QMessageBox::critical(this, tr("Profile Error"),
                              err_msg,
                              QMessageBox::Ok);
        g_free(err_msg);

        model_->doResetModel();
        return;
    }

    model_->doResetModel();

    QString profileName;
    if (index.isValid() && !item_data_removed) {
        profileName = model_->data(index).toString();
    }

    if (profileName.length() > 0 && model_->findByName(profileName) >= 0) {
        // The new profile exists, change.
        wsApp->setConfigurationProfile (profileName.toUtf8().constData(), FALSE);
    } else if (!model_->activeProfile().isValid()) {
        // The new profile does not exist, and the previous profile has
        // been deleted.  Change to the default profile.
        wsApp->setConfigurationProfile (Q_NULLPTR, FALSE);
    }
}

void ProfileDialog::on_buttonBox_helpRequested()
{
    wsApp->helpTopicAction(HELP_CONFIG_PROFILES_DIALOG);
}

void ProfileDialog::editingFinished()
{
    pd_ui_->lineProfileFilter->setText("");
    pd_ui_->cmbProfileTypes->setCurrentIndex(ProfileSortModel::AllProfiles);
    currentItemChanged();
}

void ProfileDialog::filterChanged(const QString &text)
{
    if (qobject_cast<QComboBox *>(sender()))
    {
        QComboBox * cmb = qobject_cast<QComboBox *>(sender());
        sort_model_->setFilterType(static_cast<ProfileSortModel::FilterType>(cmb->currentIndex()));
    }
    else if (qobject_cast<QLineEdit *>(sender()))
        sort_model_->setFilterString(text);

    pd_ui_->profileTreeView->resizeColumnToContents(ProfileModel::COL_NAME);

    QModelIndex active = sort_model_->mapFromSource(model_->activeProfile());
    if (active.isValid())
        pd_ui_->profileTreeView->setCurrentIndex(active);
}

#ifdef HAVE_MINIZIP
void ProfileDialog::exportProfiles(bool exportAll)
{
    QAction * action = qobject_cast<QAction *>(sender());
    if ( action && action->property(PROFILE_EXPORT_PROPERTY).isValid() )
        exportAll = action->property(PROFILE_EXPORT_PROPERTY).toString().compare(PROFILE_EXPORT_ALL) == 0;

    QModelIndexList items;

    if ( ! exportAll && pd_ui_->profileTreeView->currentIndex().isValid() )
        items << sort_model_->mapToSource(pd_ui_->profileTreeView->currentIndex());
    else if ( exportAll )
    {
        for ( int cnt = 0; cnt < sort_model_->rowCount(); cnt++ )
        {
            QModelIndex idx = sort_model_->index(cnt, ProfileModel::COL_NAME);
            if ( ! idx.data(ProfileModel::DATA_IS_GLOBAL).toBool() && ! idx.data(ProfileModel::DATA_IS_DEFAULT).toBool() )
            {
                items << sort_model_->mapToSource(idx);
            }
        }
    }
    if ( items.count() == 0 )
    {
        QMessageBox::warning(this, tr("Exporting profiles"), tr("No profiles found for export"));
        return;
    }

    QString zipFile = QFileDialog::getSaveFileName(this, tr("Select zip file for export"), QString(), tr("Zip File (*.zip)"));

    QString err;
    if ( model_->exportProfiles(zipFile, items, &err) )
        QMessageBox::information(this, tr("Exporting profiles"), tr("%Ln profile(s) exported", "", items.count()));
    else
        QMessageBox::warning(this, tr("Exporting profiles"), QString("%1\n\n%2: %3").arg(tr("An error has occured while exporting profiles")).arg("Error").arg(err));
}

void ProfileDialog::importFromZip()
{
    QString zipFile = QFileDialog::getOpenFileName(this, tr("Select zip file for import"), QString(), tr("Zip File (*.zip)"));

    QFileInfo fi(zipFile);
    if ( ! fi.exists() )
        return;

    int skipped = 0;
    int count = model_->importProfilesFromZip(zipFile, &skipped);
    QString msg;
    QMessageBox::Icon icon;

    if ( count == 0 && skipped == 0 )
    {
        icon = QMessageBox::Warning;
        msg = tr("No profiles found for import in %1").arg(fi.fileName());
    }
    else
    {
        icon = QMessageBox::Information;
        msg = tr("%Ln profile(s) imported", "", count);
        if ( skipped > 0 )
            msg.append(tr(", %Ln profile(s) skipped", "", skipped));
    }

    QMessageBox msgBox(icon, tr("Importing profiles"), msg, QMessageBox::Ok, this);
    msgBox.exec();

    if ( count > 0 )
        resetTreeView();
}
#endif

void ProfileDialog::importFromDirectory()
{
    QString importDir = QFileDialog::getExistingDirectory(this, tr("Select directory for import"), QString());

    QFileInfo fi(importDir);
    if ( ! fi.isDir() )
        return;

    int skipped = 0;
    int count = model_->importProfilesFromDir(importDir, &skipped);
    QString msg;
    QMessageBox::Icon icon;

    if ( count == 0 && skipped == 0 )
    {
        icon = QMessageBox::Warning;
        msg = tr("No profiles found for import in %1").arg(fi.fileName());
    }
    else
    {
        icon = QMessageBox::Information;
        msg = tr("%Ln profile(s) imported", "", count);
        if ( skipped > 0 )
            msg.append(tr(", %Ln profile(s) skipped", "", skipped));
    }

    QMessageBox msgBox(icon, tr("Importing profiles"), msg, QMessageBox::Ok, this);
    msgBox.exec();
    if ( count > 0 )
        resetTreeView();
}

void ProfileDialog::resetTreeView()
{
    if ( model_ )
    {
        pd_ui_->profileTreeView->setModel(Q_NULLPTR);
        sort_model_->setSourceModel(Q_NULLPTR);
        delete sort_model_;
        delete model_;
    }

    model_ = new ProfileModel(this);
    sort_model_ = new ProfileSortModel(this);
    sort_model_->setSourceModel(model_);
    pd_ui_->profileTreeView->setModel(sort_model_);

    if ( sort_model_->columnCount() <= 1 )
        pd_ui_->profileTreeView->header()->hide();
    else
    {
        pd_ui_->profileTreeView->header()->setStretchLastSection(false);
        pd_ui_->profileTreeView->header()->setSectionResizeMode(ProfileModel::COL_NAME, QHeaderView::Stretch);
    }
}

/*
 * Editor modelines
 *
 * Local Variables:
 * c-basic-offset: 4
 * tab-width: 8
 * indent-tabs-mode: nil
 * End:
 *
 * ex: set shiftwidth=4 tabstop=8 expandtab:
 * :indentSize=4:tabSize=8:noTabs=true:
 */