/*
 * libkysdk-qtwidgets's Library
 *
 * Copyright (C) 2023, KylinSoft Co., Ltd.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library.  If not, see <https://www.gnu.org/licenses/>.
 *
 * Authors: Zhen Sun <sunzhen1@kylinos.cn>
 *
 */

#include "kmenubutton.h"
#include "parmscontroller.h"
#include <QAction>
#include <QApplication>
#include <QDebug>
#include <QFile>
#include <QPainter>
#include <QProcess>

namespace kdk
{

class KMenuButtonPrivate : public QObject
{
    Q_DECLARE_PUBLIC(KMenuButton)
    Q_OBJECT

public:
    KMenuButtonPrivate(KMenuButton *parent);
    void feedbackShow();

protected:
    bool eventFilter(QObject *watched, QEvent *event);

private:
    KMenuButton *q_ptr;
    QMenu *m_pMenu;
    QAction *m_pSettingAction;
    QAction *m_pThemeAction;
    QAction *m_pAssistAction;
    QAction *m_pAboutAction;
    QAction *m_pFeedbackAction;
    QAction *m_pQuitAction;
    QMenu *m_pThemeMenu;
    QAction *m_pAutoAction;
    QAction *m_pLightAction;
    QAction *m_pDarkAction;
    QProcess m_feedbackProcess;
};

KMenuButton::KMenuButton(QWidget *parent)
    : QToolButton(parent)
    , d_ptr(new KMenuButtonPrivate(this))
{
    Q_D(KMenuButton);

    // setArrowType(Qt::NoArrow);
    d->m_pMenu = new QMenu(this);
    setMenu(d->m_pMenu);
    setToolTip(tr("Options"));
    d->m_pSettingAction = new QAction(tr("Setting"), d->m_pMenu);
    d->m_pThemeAction = new QAction(tr("Theme"), d->m_pMenu);
    d->m_pAssistAction = new QAction(tr("Help"), d->m_pMenu);
    d->m_pAboutAction = new QAction(tr("About"), d->m_pMenu);
    d->m_pFeedbackAction = new QAction(tr("Feedback"), d->m_pMenu);
    d->m_pQuitAction = new QAction(tr("Quit"), d->m_pMenu);
    QList<QAction *> actionList;
    actionList << d->m_pSettingAction << d->m_pThemeAction << d->m_pAssistAction << d->m_pAboutAction << d->m_pFeedbackAction << d->m_pQuitAction;
    d->m_pMenu->addActions(actionList);
    setPopupMode(QToolButton::InstantPopup);

    d->m_pThemeMenu = new QMenu(this);
    d->m_pAutoAction = new QAction(tr("Auto"), d->m_pThemeMenu);
    d->m_pAutoAction->setCheckable(true);
    d->m_pLightAction = new QAction(tr("Light"), d->m_pThemeMenu);
    d->m_pLightAction->setCheckable(true);
    d->m_pDarkAction = new QAction(tr("Dark"), d->m_pThemeMenu);
    d->m_pDarkAction->setCheckable(true);
    QActionGroup *group = new QActionGroup(this);
    group->addAction(d->m_pAutoAction);
    group->addAction(d->m_pLightAction);
    group->addAction(d->m_pDarkAction);

    QList<QAction *> list;
    list << d->m_pAutoAction << d->m_pLightAction << d->m_pDarkAction;
    d->m_pThemeMenu->addActions(list);
    d->m_pThemeAction->setMenu(d->m_pThemeMenu);

    setIcon(QIcon::fromTheme("open-menu-symbolic"));
    setProperty("isWindowButton", 0x1);
    setProperty("useIconHighlightEffect", 0x2);
    setAutoRaise(true);
    changeTheme();
    connect(m_gsetting, &QGSettings::changed, this, [=]() {
        changeTheme();
    });
    connect(Parmscontroller::self(), &Parmscontroller::modeChanged, this, [=]() {
        updateGeometry();
        update();
    });

    QString directoryPath = "/opt/kylin-os-manager/tools/service-support-mini";
    QFile file(directoryPath);
    if (file.exists())
        feedbackAction()->setVisible(true);
    else
        feedbackAction()->setVisible(false);

    connect(feedbackAction(), &QAction::triggered, this, [=] {
        d->feedbackShow();
    });
}

KMenuButton::~KMenuButton()
{
}

QMenu *KMenuButton::menu()
{
    Q_D(KMenuButton);
    return d->m_pMenu;
}

QMenu *KMenuButton::themeMenu()
{
    Q_D(KMenuButton);
    return d->m_pThemeMenu;
}

QAction *KMenuButton::settingAction()
{
    Q_D(KMenuButton);
    return d->m_pSettingAction;
}

QAction *KMenuButton::themeAction()
{
    Q_D(KMenuButton);
    return d->m_pThemeAction;
}

QAction *KMenuButton::assistAction()
{
    Q_D(KMenuButton);
    return d->m_pAssistAction;
}

QAction *KMenuButton::aboutAction()
{
    Q_D(KMenuButton);
    return d->m_pAboutAction;
}

QAction *KMenuButton::feedbackAction()
{
    Q_D(KMenuButton);
    return d->m_pFeedbackAction;
}

QAction *KMenuButton::quitAction()
{
    Q_D(KMenuButton);
    return d->m_pQuitAction;
}

QAction *KMenuButton::autoAction()
{
    Q_D(KMenuButton);
    return d->m_pAutoAction;
}

QAction *KMenuButton::lightAction()
{
    Q_D(KMenuButton);
    return d->m_pLightAction;
}

QAction *KMenuButton::darkAction()
{
    Q_D(KMenuButton);
    return d->m_pDarkAction;
}

void KMenuButton::changeTheme()
{
    initThemeStyle();
}

void KMenuButton::paintEvent(QPaintEvent *painteEvent)
{
    QToolButton::paintEvent(painteEvent);
}

QSize KMenuButton::sizeHint() const
{
    auto size = QToolButton::sizeHint();
    size.setHeight(Parmscontroller::parm(Parmscontroller::Parm::PM_PushButtonHeight));
    size.setWidth(Parmscontroller::parm(Parmscontroller::Parm::PM_PushButtonHeight));
    return size;
}

KMenuButtonPrivate::KMenuButtonPrivate(KMenuButton *parent)
    : q_ptr(parent)
{
    setParent(parent);
    parent->installEventFilter(this);
}

void KMenuButtonPrivate::feedbackShow()
{
    Q_Q(KMenuButton);
    QString directoryPath = "/opt/kylin-os-manager/tools/service-support-mini";
    QFile file(directoryPath);
    if (file.exists()) {
        QStringList arguments;
        QString processName;
        QString fileName = QString("/proc/%1/cmdline").arg(QApplication::applicationPid());
        QFile file(fileName);
        if (file.open(QIODevice::ReadOnly)) {
            QByteArray data = file.readAll();
            int pos = data.indexOf('\0');
            if (pos != -1) {
                QStringList list = QString::fromUtf8(data.left(pos)).trimmed().split("/");
                processName = list.last();
            }
            file.close();
        }

        arguments << "-mode=1"
                  << "-exe=" + processName;

        m_feedbackProcess.startDetached(directoryPath, arguments);
        m_feedbackProcess.waitForFinished();
    }
}

bool KMenuButtonPrivate::eventFilter(QObject *watched, QEvent *event)
{
    Q_Q(KMenuButton);
    QIcon menuIcon = QIcon::fromTheme("open-menu-symbolic");

    if (QEvent::WindowDeactivate == event->type()) {
        QColor color = QColor(179, 179, 179);
        menuIcon = ThemeController::drawColoredPixmap(menuIcon.pixmap(QSize(Parmscontroller::parm(Parmscontroller::Parm::PM_WindowButtonBarSize), Parmscontroller::parm(Parmscontroller::Parm::PM_WindowButtonBarSize))), color);
        q->setIcon(menuIcon);
    }
    if (QEvent::WindowActivate == event->type() || QEvent::MouseButtonPress == event->type()) {
        q->setIcon(QIcon::fromTheme("open-menu-symbolic"));
    }
    return QObject::eventFilter(watched, event);
}

}

#include "kmenubutton.moc"
#include "moc_kmenubutton.cpp"
