// SPDX-FileCopyrightText: 2021 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#include "Manager.h"

#include <QRegularExpression>
#include <QTextDocumentFragment>

#include "Cache.h"
#include "EventAccessors.h"
#include "MxcImageProvider.h"
#include "Utils.h"

#include <mtx/responses/notifications.hpp>

#include <variant>

static QString
formatNotification(const mtx::responses::Notification &notification)
{
        return utils::stripReplyFallbacks(notification.event, {}, {}).quoted_body;
}

void
NotificationsManager::postNotification(const mtx::responses::Notification &notification,
                                       const QImage &icon)
{
        Q_UNUSED(icon)

        const auto room_name =
          QString::fromStdString(cache::singleRoomInfo(notification.room_id).name);
        const auto sender =
          cache::displayName(QString::fromStdString(notification.room_id),
                             QString::fromStdString(mtx::accessors::sender(notification.event)));

        const auto isEncrypted =
          std::get_if<mtx::events::EncryptedEvent<mtx::events::msg::Encrypted>>(
            &notification.event) != nullptr;
        const auto isReply = utils::isReply(notification.event);
        if (isEncrypted) {
                // TODO: decrypt this message if the decryption setting is on in the UserSettings
                const QString messageInfo = (isReply ? tr("%1 replied with an encrypted message")
                                                     : tr("%1 sent an encrypted message"))
                                              .arg(sender);
                objCxxPostNotification(room_name, messageInfo, "", QImage());
        } else {
                const QString messageInfo =
                  (isReply ? tr("%1 replied to a message") : tr("%1 sent a message")).arg(sender);
                if (mtx::accessors::msg_type(notification.event) == mtx::events::MessageType::Image)
                        MxcImageProvider::download(
                          QString::fromStdString(mtx::accessors::url(notification.event))
                            .remove("mxc://"),
                          QSize(200, 80),
                          [this, notification, room_name, messageInfo](
                            QString, QSize, QImage image, QString) {
                                  objCxxPostNotification(room_name,
                                                         messageInfo,
                                                         formatNotification(notification),
                                                         image);
                          });
                else
                        objCxxPostNotification(
                          room_name, messageInfo, formatNotification(notification), QImage());
        }
}
