/*
 * 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 "ffjson.h"
#include "bookmarkitem.h"
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QDebug>
#include <QDateTime>

inline auto asDate(const QJsonValue &v)
{
    // timestamps in bookmarks.json are, for some reason, in *micro*seconds
    return QDateTime::fromMSecsSinceEpoch(v.toVariant().toLongLong() / 1000);
}

inline void readElementData(const QJsonObject &object, BookmarkItem *item)
{
    item->setData(BookmarkItem::Title, object["title"].toString());
    item->setData(BookmarkItem::DateAdded, asDate(object["dateAdded"]));
    item->setData(BookmarkItem::LastModified, asDate(object["lastModified"]));

    // tags
    const auto tags = object["tags"].toString().split(",");
    if(!tags.isEmpty())
        item->setData(BookmarkItem::Tags, tags);

    // descriptions
    const auto annos_array = object["annos"].toArray();
    for(const auto &a : annos_array) {
        const auto anno = a.toObject();
        if(anno["name"] == "bookmarkProperties/description") {
            item->setData(BookmarkItem::Description, anno["value"].toString());
        }
    }
}

inline void readChildElements(const QJsonObject &object, BookmarkItem *item)
{
    const auto children_array = object["children"].toArray();
    for(const auto &c : children_array) {
        const auto child = c.toObject();
        const auto type = child["type"].toString();

        if(type == "text/x-moz-place-container") {
            auto *childItem = new BookmarkItem({}, BookmarkItem::Folder, item);
            childItem->setExpanded(true);
            readElementData(child, childItem);
            item->appendChild(childItem);
            readChildElements(child, childItem);

        } else if(type == "text/x-moz-place") {
            auto *childItem = new BookmarkItem({}, BookmarkItem::Bookmark, item);
            readElementData(child, childItem);
            childItem->setData(BookmarkItem::Href, child["uri"].toString());
            item->appendChild(childItem);

        } else {
            qDebug() << "!!! unknown type " << qUtf8Printable(type);
        }
    }
}

void FFJson::read(QIODevice *device, BookmarkItem *item)
{
    const auto doc = QJsonDocument::fromJson(device->readAll());
    readChildElements(doc.object(), item);
}