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/*
 * 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 "session.h"
#include "mainwindow/mainwindow.h"
#include "subwindow/subwindow.h"
#include <QJsonObject>
#include <QJsonArray>
#include "webengine/webview.h"
#include "profilemanager.h"
#include "browser.h"
#include "../webengine/webview.h"
#include <QWebEngineHistory>

QJsonObject Session::session(QVector<MainWindow *> windows)
{
    QJsonObject obj;

    QJsonArray windowsArray;
    for(const MainWindow *window : windows) {
        windowsArray.append(Session::window(window));
    }
    obj.insert("windows", windowsArray);

    return obj;
}

QJsonObject Session::window(const MainWindow *window)
{
    QJsonObject obj;
    auto *profileManager = dynamic_cast<Browser *>(qApp)->getProfileManager();

    QJsonArray subwindows;
    for(const SubWindow *subwindow : window->subWindows()) {
        QJsonObject window;
        window.insert("profile", profileManager->id(subwindow->profile()));

        QJsonArray tabs;
        for(int i = 0; i < subwindow->tabCount(); ++i) {
            QJsonObject tab;
            tab.insert("url", subwindow->view(i)->url().toString());
            tab.insert("profile", profileManager->id(subwindow->view(i)->profile()));
            tabs.append(tab);
        }
        window.insert("tabs", tabs);

        subwindows.append(window);
    }
    obj.insert("subwindows", subwindows);

    return obj;
}

QJsonObject Session::window(const QString &profile, const QStringList &urls)
{
    QJsonObject session;

    QJsonArray subwindows;
    {
        QJsonObject window;
        window.insert("profile", profile);

        QJsonArray tabs;
        for(const auto &url : urls) {
            QJsonObject tab;
            tab.insert("url", url);
            tab.insert("profile", profile);
            tabs.append(tab);
        }
        window.insert("tabs", tabs);

        subwindows.append(window);
    }
    session.insert("subwindows", subwindows);

    return session;
}

QJsonObject Session::view(const WebView *view)
{
    auto *profileManager = dynamic_cast<Browser *>(qApp)->getProfileManager();
    Q_CHECK_PTR(profileManager);

    QByteArray historyData;
    QDataStream historyStream(&historyData, QIODevice::WriteOnly);
    historyStream << *view->history();

    QJsonObject viewData;
    viewData.insert("url", view->url().toString());
    viewData.insert("profile", profileManager->id(view->profile()));
    //viewData.insert("history", QString(qCompress(historyData).toBase64()));
    viewData.insert("history", QString(historyData.toBase64()));

    return viewData;
}

void Session::restoreView(WebView *view, const QJsonObject &data)
{
    auto *profileManager = dynamic_cast<Browser *>(qApp)->getProfileManager();
    Q_CHECK_PTR(profileManager);

    auto *profile = profileManager->profile(data["profile"].toString());
    if(profile)
        view->setProfile(profile);

    QByteArray historyData = QByteArray::fromBase64(data["history"].toString().toLatin1());
    QDataStream historyStream(&historyData, QIODevice::ReadOnly);
    historyStream >> *view->history();
}