/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: https://neueland.iserlohn-fortress.net/gitea/aqua/smolbote
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "subwindow.h"
#include "browser.h"
#include "configuration.h"
#include "webengine/webprofile.h"
#include "webengine/webprofilemanager.h"
#include "webengine/webview.h"
#include <QAction>
#include <QCloseEvent>
#include <QHideEvent>
#include <QJsonArray>
#include <QMenu>
#include <QShortcut>
#include <QShowEvent>
#include <QTabBar>
#include <QToolButton>
#include <QVBoxLayout>

SubWindow::SubWindow(QWidget *parent, Qt::WindowFlags flags)
    : QWidget(parent, flags)
    , tabWidget(new TabWidget(this))
{
    // delete this window when it closes
    //setAttribute(Qt::WA_DeleteOnClose, true);

    auto *layout = new QVBoxLayout;
    layout->setSpacing(0);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->addWidget(tabWidget);
    setLayout(layout);

    m_profile = WebProfile::defaultProfile();

    Configuration config;

    QKeySequence fullscreen_shortcut;
    config.shortcut<QKeySequence>(fullscreen_shortcut, "shortcuts.subwindow.fullscreen");
    auto *fullScreen_shortcut = new QShortcut(fullscreen_shortcut, this);
    connect(fullScreen_shortcut, &QShortcut::activated, this, [this]() {
        auto *w = this->window();
        if(w->isFullScreen())
            w->showNormal();
        else
            w->showFullScreen();
    });

    connect(tabWidget, &TabWidget::currentChanged, [this](int index) {
        if(index < 0) {
            // last tab has been closed
            close();
        } else {
            auto *view = dynamic_cast<WebView *>(tabWidget->widget(index));
            Q_CHECK_PTR(view);

            disconnect(titleConnection);
            disconnect(linkHoveredConnection);

            titleConnection = connect(view, &WebView::titleChanged, this, [this](const QString &title) {
                auto *v = qobject_cast<WebView *>(sender());
                this->setWindowTitle(QString("%1 :%2").arg(title, v->profile()->name()));
            });
            setWindowTitle(QString("%1 :%2").arg(view->title(), view->profile()->name()));

            linkHoveredConnection = connect(view->page(), &WebPage::linkHovered, this, [this](const QString &url) {
                if(!url.isEmpty())
                    emit showStatusMessage(url, 3000);
            });

            emit currentViewChanged(view);
        }
    });
}

SubWindow::SubWindow(const Session::SubWindow &data, QWidget *parent, Qt::WindowFlags flags)
    : SubWindow(parent, flags)
{
    WebProfileManager profileManager;

    auto *profile = profileManager.profile(data.profile);
    if(profile != nullptr) {
        setProfile(profile);
    }

    for(const auto &data : data.tabs) {
        addTab(data);
    }
}

Session::SubWindow SubWindow::serialize() const
{
    QVector<Session::WebView> tabs(tabCount());
    for(int i = 0; i < tabCount(); ++i) {
        tabs[i] = view(i)->serialize();
    }

    return { profile()->getId(), tabs };
}

void SubWindow::setProfile(WebProfile *profile)
{
    if(profile == nullptr) {
        setProfile(WebProfile::defaultProfile());
        return;
    }

    this->m_profile = profile;
    for(int i = 0; i < tabWidget->count(); ++i) {
        auto *view = qobject_cast<WebView *>(tabWidget->widget(i));
        view->setProfile(profile);
    }
}

void SubWindow::setTabData(TabData &data, int index)
{
    tabWidget->tabBar()->setTabData(index, QVariant::fromValue<TabData>(data));
}

SubWindow::TabData SubWindow::tabData(int index) const
{
    return tabWidget->tabBar()->tabData(index).value<TabData>();
}

WebView *SubWindow::createView(QWebEnginePage::WebWindowType type)
{
    auto *view = new WebView(m_profile, std::bind(&SubWindow::createView, this, std::placeholders::_1), this);
    tabWidget->addTab(view);
    return view;
}

int SubWindow::addTab(const QUrl &url, WebProfile *profile)
{
    Q_CHECK_PTR(m_profile);

    auto *_profile = (profile == nullptr) ? m_profile : profile;

    auto *view = new WebView(_profile, std::bind(&SubWindow::createView, this, std::placeholders::_1), this);
    if(url.isEmpty())
        view->load(_profile->newtab());
    else
        view->load(url);

    return tabWidget->addTab(view);
}

int SubWindow::addTab(const Session::WebView &data)
{
    auto *view = new WebView(data, std::bind(&SubWindow::createView, this, std::placeholders::_1), this);
    return tabWidget->addTab(view);
}

void SubWindow::moveTab(int from, int to)
{
    tabWidget->tabBar()->moveTab(from, to);
}

void SubWindow::closeEvent(QCloseEvent *event)
{
    emit aboutToClose();
    event->accept();
}

void SubWindow::hideEvent(QHideEvent *event)
{
    emit visibilityChanged(false);
    event->accept();
}

void SubWindow::showEvent(QShowEvent *event)
{
    emit visibilityChanged(true);
    event->accept();
}