/***************************************************************************
 *   Copyright (c) 2002 Jürgen Riegel <juergen.riegel@web.de>              *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  is distributed in the hope that it will be useful,      *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#include <QApplication>
#include <QDoubleSpinBox>
#include <QGridLayout>
#include <memory>


#include <App/Application.h>
#include <Base/Parameter.h>
#include <Base/Tools.h>
#include <Gui/MainWindow.h>
#include <Gui/View3DSettings.h>
#include <Gui/Navigation/NavigationStyle.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>

#include "DlgSettingsNavigation.h"
#include "ui_DlgSettingsNavigation.h"

#include "../ui_MouseButtons.h"

using namespace Gui::Dialog;

/* TRANSLATOR Gui::Dialog::DlgSettingsNavigation */

/**
 *  Constructs a DlgSettingsNavigation which is a child of 'parent', with the
 *  name 'name' and widget flags set to 'f'
 */
DlgSettingsNavigation::DlgSettingsNavigation(QWidget* parent)
    : PreferencePage(parent)
    , ui(new Ui_DlgSettingsNavigation)
    , q0(0)
    , q1(0)
    , q2(0)
    , q3(1)
{
    ui->setupUi(this);
    ui->naviCubeBaseColor->setAllowTransparency(true);
    ui->rotationCenterColor->setAllowTransparency(true);
    retranslate();
#if !defined(_USE_3DCONNEXION_SDK) && !defined(SPNAV_FOUND)
    ui->legacySpaceMouseDevices->setDisabled(true);
#elif !defined(USE_3DCONNEXION_NAVLIB)
    ui->spaceMouseDevice->setHidden(true);
    ui->legacySpaceMouseDevices->setHidden(true);
#endif
}

/**
 *  Destroys the object and frees any allocated resources
 */
DlgSettingsNavigation::~DlgSettingsNavigation() = default;

void DlgSettingsNavigation::saveSettings()
{
    // must be done as very first because we create a new instance of NavigatorStyle
    // where we set some attributes afterwards
    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
        "User parameter:BaseApp/Preferences/View"
    );
    QVariant data
        = ui->comboNavigationStyle->itemData(ui->comboNavigationStyle->currentIndex(), Qt::UserRole);
    hGrp->SetASCII("NavigationStyle", (const char*)data.toByteArray());

    int index = ui->comboOrbitStyle->currentIndex();
    hGrp->SetInt("OrbitStyle", index);
    index = ui->comboRotationMode->currentIndex();
    hGrp->SetInt("RotationMode", index);

    ui->checkBoxZoomAtCursor->onSave();
    ui->checkBoxInvertZoom->onSave();
    ui->checkBoxDisableTilt->onSave();
    ui->rotationCenterSize->onSave();
    ui->rotationCenterColor->onSave();
    ui->spinBoxZoomStep->onSave();
    ui->spinBoxAnimationDuration->onSave();
    ui->checkBoxSpinningAnimations->onSave();
    ui->checkBoxEnableLongPressClarifySelection->onSave();
    ui->spinBoxLongPressTimeout->onSave();
    ui->qspinNewDocScale->onSave();
    ui->prefStepByTurn->onSave();
    ui->naviCubeCorner->onSave();
    ui->naviCubeToNearest->onSave();
    ui->prefCubeSize->onSave();
    ui->naviCubeBaseColor->onSave();
    ui->naviCubeInactiveOpacity->onSave();
    ui->legacySpaceMouseDevices->onSave();
    if (property("LegacySpaceMouse").toBool() != ui->legacySpaceMouseDevices->isChecked()) {
        requireRestart();
    }

    bool showNaviCube = ui->groupBoxNaviCube->isChecked();
    hGrp->SetBool("ShowNaviCube", showNaviCube);

    bool showRotationCenter = ui->groupBoxRotationCenter->isChecked();
    hGrp->SetBool("ShowRotationCenter", showRotationCenter);

    bool useNavigationAnimations = ui->groupBoxAnimations->isChecked();
    hGrp->SetBool("UseNavigationAnimations", useNavigationAnimations);

    QVariant camera = ui->comboNewDocView->itemData(ui->comboNewDocView->currentIndex(), Qt::UserRole);
    hGrp->SetASCII("NewDocumentCameraOrientation", (const char*)camera.toByteArray());
    if (camera == QByteArray("Custom")) {
        ParameterGrp::handle hCustom = hGrp->GetGroup("Custom");
        hCustom->SetFloat("Q0", q0);
        hCustom->SetFloat("Q1", q1);
        hCustom->SetFloat("Q2", q2);
        hCustom->SetFloat("Q3", q3);
    }
    hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/NaviCube");
    if (ui->naviCubeFontName->currentIndex()) {
        hGrp->SetASCII("FontString", ui->naviCubeFontName->currentText().toLatin1());
    }
    else {
        hGrp->RemoveASCII("FontString");
    }
}

void DlgSettingsNavigation::loadSettings()
{
    ui->checkBoxZoomAtCursor->onRestore();
    ui->checkBoxInvertZoom->onRestore();
    ui->checkBoxDisableTilt->onRestore();
    ui->rotationCenterSize->onRestore();
    ui->rotationCenterColor->onRestore();
    ui->spinBoxZoomStep->onRestore();
    ui->spinBoxAnimationDuration->onRestore();
    ui->checkBoxSpinningAnimations->onRestore();
    ui->checkBoxEnableLongPressClarifySelection->onRestore();
    ui->spinBoxLongPressTimeout->onRestore();
    ui->qspinNewDocScale->onRestore();
    ui->prefStepByTurn->onRestore();
    ui->naviCubeCorner->onRestore();
    ui->naviCubeToNearest->onRestore();
    ui->prefCubeSize->onRestore();
    ui->naviCubeBaseColor->onRestore();
    ui->naviCubeInactiveOpacity->onRestore();
    ui->legacySpaceMouseDevices->onRestore();
    setProperty("LegacySpaceMouse", ui->legacySpaceMouseDevices->isChecked());

    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
        "User parameter:BaseApp/Preferences/View"
    );
    std::string model
        = hGrp->GetASCII("NavigationStyle", CADNavigationStyle::getClassTypeId().getName());
    int index = ui->comboNavigationStyle->findData(QByteArray(model.c_str()));
    if (index > -1) {
        ui->comboNavigationStyle->setCurrentIndex(index);
    }

    index = hGrp->GetInt("OrbitStyle", int(NavigationStyle::RoundedArcball));
    index = Base::clamp(index, 0, ui->comboOrbitStyle->count() - 1);
    ui->comboOrbitStyle->setCurrentIndex(index);

    index = hGrp->GetInt("RotationMode", 0);
    ui->comboRotationMode->setCurrentIndex(index);

    bool showNaviCube = hGrp->GetBool("ShowNaviCube", true);
    ui->groupBoxNaviCube->setChecked(showNaviCube);

    bool showRotationCenter = hGrp->GetBool("ShowRotationCenter", true);
    ui->groupBoxRotationCenter->setChecked(showRotationCenter);

    bool useNavigationAnimations = hGrp->GetBool("UseNavigationAnimations", true);
    ui->groupBoxAnimations->setChecked(useNavigationAnimations);

    addOrientations();

    connect(ui->mouseButton, &QPushButton::clicked, this, &DlgSettingsNavigation::onMouseButtonClicked);

    // fill up font styles

    // we purposely allow all available fonts on the system
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    QStringList familyNames = QFontDatabase().families(QFontDatabase::Any);
#else
    QStringList familyNames = QFontDatabase::families(QFontDatabase::Any);
#endif
    ui->naviCubeFontName->addItems(familyNames);

    hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/NaviCube");
    int indexFamilyNames = familyNames.indexOf(QString::fromStdString(hGrp->GetASCII("FontString")));
    ui->naviCubeFontName->setCurrentIndex(indexFamilyNames + 1);
}

void DlgSettingsNavigation::addOrientations()
{
    ui->comboNewDocView->addItem(tr("Isometric"), QByteArray("Isometric"));
    ui->comboNewDocView->addItem(tr("Dimetric"), QByteArray("Dimetric"));
    ui->comboNewDocView->addItem(tr("Trimetric"), QByteArray("Trimetric"));
    ui->comboNewDocView->addItem(tr("Top"), QByteArray("Top"));
    ui->comboNewDocView->addItem(tr("Front"), QByteArray("Front"));
    ui->comboNewDocView->addItem(tr("Left"), QByteArray("Left"));
    ui->comboNewDocView->addItem(tr("Right"), QByteArray("Right"));
    ui->comboNewDocView->addItem(tr("Rear"), QByteArray("Rear"));
    ui->comboNewDocView->addItem(tr("Bottom"), QByteArray("Bottom"));
    ui->comboNewDocView->addItem(tr("Custom"), QByteArray("Custom"));

    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
        "User parameter:BaseApp/Preferences/View"
    );
    std::string camera = hGrp->GetASCII("NewDocumentCameraOrientation", "Trimetric");
    int index = ui->comboNewDocView->findData(QByteArray(camera.c_str()));
    if (index > -1) {
        ui->comboNewDocView->setCurrentIndex(index);
    }
    if (camera == "Custom") {
        ParameterGrp::handle hCustom = hGrp->GetGroup("Custom");
        q0 = hCustom->GetFloat("Q0", q0);
        q1 = hCustom->GetFloat("Q1", q1);
        q2 = hCustom->GetFloat("Q2", q2);
        q3 = hCustom->GetFloat("Q3", q3);
    }

    connect(
        ui->comboNewDocView,
        qOverload<int>(&QComboBox::currentIndexChanged),
        this,
        &DlgSettingsNavigation::onNewDocViewChanged
    );
}

void DlgSettingsNavigation::translateOrientations()
{
    ui->comboNewDocView->setItemText(0, tr("Isometric"));
    ui->comboNewDocView->setItemText(1, tr("Dimetric"));
    ui->comboNewDocView->setItemText(2, tr("Trimetric"));
    ui->comboNewDocView->setItemText(3, tr("Top"));
    ui->comboNewDocView->setItemText(4, tr("Front"));
    ui->comboNewDocView->setItemText(5, tr("Left"));
    ui->comboNewDocView->setItemText(6, tr("Right"));
    ui->comboNewDocView->setItemText(7, tr("Rear"));
    ui->comboNewDocView->setItemText(8, tr("Bottom"));
    ui->comboNewDocView->setItemText(9, tr("Custom"));
}

void DlgSettingsNavigation::resetSettingsToDefaults()
{
    ParameterGrp::handle hGrp;
    hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
    // reset "NavigationStyle" parameter
    hGrp->RemoveASCII("NavigationStyle");
    // reset "OrbitStyle" parameter
    hGrp->RemoveInt("OrbitStyle");
    // reset "RotationMode" parameter
    hGrp->RemoveInt("RotationMode");
    // reset "ShowNaviCube" parameter
    hGrp->RemoveBool("ShowNaviCube");
    // reset "ShowRotationCenter" parameter
    hGrp->RemoveBool("ShowRotationCenter");
    // reset "UseNavigationAnimations" parameter
    hGrp->RemoveBool("UseNavigationAnimations");
    // reset "NewDocumentCameraOrientation" parameter
    hGrp->RemoveASCII("NewDocumentCameraOrientation");

    hGrp = hGrp->GetGroup("Custom");
    // reset "Q0" parameter
    hGrp->RemoveFloat("Q0");
    // reset "Q1" parameter
    hGrp->RemoveFloat("Q1");
    // reset "Q2" parameter
    hGrp->RemoveFloat("Q2");
    // reset "Q3" parameter
    hGrp->RemoveFloat("Q3");

    // finally reset all the parameters associated to Gui::Pref* widgets
    PreferencePage::resetSettingsToDefaults();
}

void DlgSettingsNavigation::onMouseButtonClicked()
{
    QDialog dlg(this);
    Ui_MouseButtons uimb;
    uimb.setupUi(&dlg);

    QVariant data
        = ui->comboNavigationStyle->itemData(ui->comboNavigationStyle->currentIndex(), Qt::UserRole);
    void* instance = Base::Type::createInstanceByName((const char*)data.toByteArray());
    std::unique_ptr<UserNavigationStyle> ns(static_cast<UserNavigationStyle*>(instance));
    uimb.groupBox->setTitle(
        uimb.groupBox->title() + QStringLiteral(" ") + ui->comboNavigationStyle->currentText()
    );
    QString descr;
    descr = qApp->translate(
        (const char*)data.toByteArray(),
        ns->mouseButtons(NavigationStyle::SELECTION)
    );
    descr.replace(QLatin1String("\n"), QLatin1String("<p>"));
    uimb.selectionLabel->setText(QStringLiteral("<b>%1</b>").arg(descr));
    descr = qApp->translate((const char*)data.toByteArray(), ns->mouseButtons(NavigationStyle::PANNING));
    descr.replace(QLatin1String("\n"), QLatin1String("<p>"));
    uimb.panningLabel->setText(QStringLiteral("<b>%1</b>").arg(descr));
    descr = qApp->translate(
        (const char*)data.toByteArray(),
        ns->mouseButtons(NavigationStyle::DRAGGING)
    );
    descr.replace(QLatin1String("\n"), QLatin1String("<p>"));
    uimb.rotationLabel->setText(QStringLiteral("<b>%1</b>").arg(descr));
    descr = qApp->translate((const char*)data.toByteArray(), ns->mouseButtons(NavigationStyle::ZOOMING));
    descr.replace(QLatin1String("\n"), QLatin1String("<p>"));
    uimb.zoomingLabel->setText(QStringLiteral("<b>%1</b>").arg(descr));
    dlg.exec();
}

/**
 * Sets the strings of the subwidgets using the current language.
 */
void DlgSettingsNavigation::changeEvent(QEvent* e)
{
    if (e->type() == QEvent::LanguageChange) {
        int navigation = ui->comboNavigationStyle->currentIndex();
        int orbit = ui->comboOrbitStyle->currentIndex();
        int corner = ui->naviCubeCorner->currentIndex();
        ui->retranslateUi(this);
        retranslate();
        translateOrientations();
        ui->comboNavigationStyle->setCurrentIndex(navigation);
        ui->comboOrbitStyle->setCurrentIndex(orbit);
        ui->naviCubeCorner->setCurrentIndex(corner);
    }
    else {
        QWidget::changeEvent(e);
    }
}

void DlgSettingsNavigation::retranslate()
{
    ui->comboNavigationStyle->clear();

    // add submenu at the end to select navigation style
    std::map<Base::Type, std::string> styles = UserNavigationStyle::getUserFriendlyNames();
    for (const auto& style : styles) {
        QByteArray data(style.first.getName());
        QString name = QApplication::translate(style.first.getName(), style.second.c_str());

        ui->comboNavigationStyle->addItem(name, data);
    }
}

void DlgSettingsNavigation::onNewDocViewChanged(int index)
{
    QVariant camera = ui->comboNewDocView->itemData(index, Qt::UserRole);
    if (camera == QByteArray("Custom")) {
        CameraDialog dlg(this);
        dlg.setValues(q0, q1, q2, q3);
        if (dlg.exec()) {
            dlg.getValues(q0, q1, q2, q3);
        }
    }
}

// ----------------------------------------------------------------------------

CameraDialog::CameraDialog(QWidget* parent)
    : QDialog(parent)
{
    this->setWindowTitle(tr("Camera Settings"));

    QGridLayout* gridLayout;
    gridLayout = new QGridLayout(this);

    QGroupBox* groupBox;
    groupBox = new QGroupBox(this);
    groupBox->setTitle(tr("Orientation"));
    gridLayout->addWidget(groupBox, 0, 0, 1, 1);

    QDialogButtonBox* buttonBox;
    buttonBox = new QDialogButtonBox(this);
    buttonBox->setOrientation(Qt::Horizontal);
    buttonBox->setStandardButtons(QDialogButtonBox::Cancel | QDialogButtonBox::Ok);
    gridLayout->addWidget(buttonBox, 3, 0, 1, 1);

    QGridLayout* layout;
    layout = new QGridLayout(groupBox);

    // Q0
    auto label0 = new QLabel(groupBox);
    label0->setText(tr("Q0"));
    layout->addWidget(label0, 0, 0, 1, 1);

    sb0 = new QDoubleSpinBox(groupBox);
    sb0->setRange(-1, 1);
    sb0->setSingleStep(0.1);
    layout->addWidget(sb0, 0, 1, 1, 1);

    // Q1
    auto label1 = new QLabel(groupBox);
    label1->setText(tr("Q1"));
    layout->addWidget(label1, 1, 0, 1, 1);

    sb1 = new QDoubleSpinBox(groupBox);
    sb1->setRange(-1, 1);
    sb1->setSingleStep(0.1);
    layout->addWidget(sb1, 1, 1, 1, 1);

    // Q2
    auto label2 = new QLabel(groupBox);
    label2->setText(tr("Q2"));
    layout->addWidget(label2, 2, 0, 1, 1);

    sb2 = new QDoubleSpinBox(groupBox);
    sb2->setRange(-1, 1);
    sb2->setSingleStep(0.1);
    layout->addWidget(sb2, 2, 1, 1, 1);

    // Q3
    auto label3 = new QLabel(groupBox);
    label3->setText(tr("Q3"));
    layout->addWidget(label3, 3, 0, 1, 1);

    sb3 = new QDoubleSpinBox(groupBox);
    sb3->setRange(-1, 1);
    sb3->setSingleStep(0.1);
    layout->addWidget(sb3, 3, 1, 1, 1);

    auto currentViewButton = new QPushButton(this);
    currentViewButton->setText(tr("Current View"));
    currentViewButton->setObjectName(QStringLiteral("currentView"));
    layout->addWidget(currentViewButton, 4, 1, 2, 1);

    connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
    connect(currentViewButton, &QPushButton::clicked, this, &CameraDialog::onCurrentViewClicked);
}

CameraDialog::~CameraDialog() = default;

void CameraDialog::setValues(double q0, double q1, double q2, double q3)
{
    sb0->setValue(q0);
    sb1->setValue(q1);
    sb2->setValue(q2);
    sb3->setValue(q3);
}

void CameraDialog::getValues(double& q0, double& q1, double& q2, double& q3) const
{
    q0 = sb0->value();
    q1 = sb1->value();
    q2 = sb2->value();
    q3 = sb3->value();
}

void CameraDialog::onCurrentViewClicked()
{
    auto mdi = qobject_cast<View3DInventor*>(getMainWindow()->activeWindow());
    if (mdi) {
        SbRotation rot = mdi->getViewer()->getCameraOrientation();
        const float* q = rot.getValue();
        sb0->setValue(q[0]);
        sb1->setValue(q[1]);
        sb2->setValue(q[2]);
        sb3->setValue(q[3]);
    }
}

#include "moc_DlgSettingsNavigation.cpp"