/*
 * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <QAction>
#include <QDebug>
#include <QIcon>
#include <QImage>
#include <QLabel>
#include <QPaintEvent>
#include <QSharedPointer>
#include <QVBoxLayout>
#include <QWidget>

#include "Avatar.h"
#include "FlatButton.h"
#include "Menu.h"
#include "RoomSettings.h"

static const QString URL_HTML = "<a href=\"\\1\" style=\"color: #333333\">\\1</a>";
static const QRegExp URL_REGEX("((?:https?|ftp)://\\S+)");

class TopRoomBar : public QWidget
{
        Q_OBJECT
public:
        TopRoomBar(QWidget *parent = 0);
        ~TopRoomBar();

        inline void updateRoomAvatar(const QImage &avatar_image);
        inline void updateRoomAvatar(const QIcon &icon);
        inline void updateRoomName(const QString &name);
        inline void updateRoomTopic(QString topic);
        void updateRoomAvatarFromName(const QString &name);
        void setRoomSettings(QSharedPointer<RoomSettings> settings);

        void reset();

protected:
        void paintEvent(QPaintEvent *event) override;

private:
        QHBoxLayout *topLayout_;
        QVBoxLayout *textLayout_;

        QLabel *nameLabel_;
        QLabel *topicLabel_;

        QSharedPointer<RoomSettings> roomSettings_;

        QMenu *menu_;
        QAction *toggleNotifications_;

        FlatButton *settingsBtn_;

        Avatar *avatar_;

        int buttonSize_;
};

inline void
TopRoomBar::updateRoomAvatar(const QImage &avatar_image)
{
        avatar_->setImage(avatar_image);
}

inline void
TopRoomBar::updateRoomAvatar(const QIcon &icon)
{
        avatar_->setIcon(icon);
}

inline void
TopRoomBar::updateRoomName(const QString &name)
{
        QString elidedText =
          QFontMetrics(nameLabel_->font()).elidedText(name, Qt::ElideRight, width() * 0.8);
        nameLabel_->setText(elidedText);
}

inline void
TopRoomBar::updateRoomTopic(QString topic)
{
        topic.replace(URL_REGEX, URL_HTML);

        QString elidedText =
          QFontMetrics(topicLabel_->font()).elidedText(topic, Qt::ElideRight, width() * 0.6);

        topicLabel_->setText(topic);
}