/*
 * Bittorrent Client using Qt and libtorrent.
 * Copyright (C) 2015  Vladimir Golovnev <glassez@yandex.ru>
 * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link this program with the OpenSSL project's "OpenSSL" library (or with
 * modified versions of it that use the same license as the "OpenSSL" library),
 * and distribute the linked executables. You must obey the GNU General Public
 * License in all respects for all of the code used other than "OpenSSL".  If you
 * modify file(s), you may extend this exception to your version of the file(s),
 * but you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

#pragma once

#include <QDialog>
#include <QStringList>

#include "base/search/searchpluginmanager.h"
#include "base/settingvalue.h"

class QDropEvent;
class QTreeWidgetItem;

namespace Net
{
    struct DownloadResult;
}

namespace Ui
{
    class PluginSelectDialog;
}

class PluginSelectDialog final : public QDialog
{
    Q_OBJECT
    Q_DISABLE_COPY_MOVE(PluginSelectDialog)

public:
    explicit PluginSelectDialog(SearchPluginManager *pluginManager, QWidget *parent = nullptr);
    ~PluginSelectDialog() override;

    QVector<QTreeWidgetItem*> findItemsWithUrl(const QString &url);
    QTreeWidgetItem *findItemWithID(const QString &id);

protected:
    void dropEvent(QDropEvent *event) override;
    void dragEnterEvent(QDragEnterEvent *event) override;

private slots:
    void on_actionUninstall_triggered();
    void on_updateButton_clicked();
    void on_installButton_clicked();
    void on_closeButton_clicked();
    void togglePluginState(QTreeWidgetItem*, int);
    void setRowColor(int row, const QString &color);
    void displayContextMenu();
    void enableSelection(bool enable);
    void askForLocalPlugin();
    void askForPluginUrl();
    void iconDownloadFinished(const Net::DownloadResult &result);

    void checkForUpdatesFinished(const QHash<QString, PluginVersion> &updateInfo);
    void checkForUpdatesFailed(const QString &reason);
    void pluginInstalled(const QString &name);
    void pluginInstallationFailed(const QString &name, const QString &reason);
    void pluginUpdated(const QString &name);
    void pluginUpdateFailed(const QString &name, const QString &reason);

private:
    void loadSupportedSearchPlugins();
    void addNewPlugin(const QString &pluginName);
    void startAsyncOp();
    void finishAsyncOp();
    void finishPluginUpdate();

    Ui::PluginSelectDialog *m_ui = nullptr;
    SettingValue<QSize> m_storeDialogSize;
    SearchPluginManager *m_pluginManager = nullptr;
    QStringList m_updatedPlugins;
    int m_asyncOps = 0;
    int m_pendingUpdates = 0;
};
