/* Copyright (C) 2016
 * swift project Community / Contributors
 *
 * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 */

//! \file

#ifndef BLACKGUI_COMPONENTS_DBLOADOVERVIEWCOMPONENT_H
#define BLACKGUI_COMPONENTS_DBLOADOVERVIEWCOMPONENT_H

#include "blackgui/loadindicator.h"
#include "blackgui/blackguiexport.h"
#include "blackmisc/digestsignal.h"
#include "blackmisc/network/entityflags.h"

#include <QFrame>
#include <QScopedPointer>

namespace Ui  { class CDbLoadOverviewComponent; }
namespace BlackGui
{
    namespace Components
    {
        /*!
         * Overview about load state of DB data
         */
        class BLACKGUI_EXPORT CDbLoadOverviewComponent :
            public QFrame, public BlackGui::CLoadIndicatorEnabled
        {
            Q_OBJECT

        public:
            //! Constructor
            explicit CDbLoadOverviewComponent(QWidget *parent = nullptr);

            //! Destructor
            virtual ~CDbLoadOverviewComponent() override;

            //! Initialize
            void display();

            //! Visible DB refresh buttons
            void showVisibleDbRefreshButtons(bool visible);

            //! Visible shared refresh buttons
            void showVisibleSharedRefreshButtons(bool visible);

            //! Show load all buttons
            void showVisibleLoadAllButtons(bool shared, bool db, bool disk);

            //! Load all from DB
            void loadAllFromDb();

            //! Load all from shared
            void loadAllFromShared();

            //! Load all from disk (as of installation)
            void loadAllFromResourceFiles();

            //! Is loading in progress
            bool isLoadInProgress() const { return m_loadInProgress; }

        protected:
            //! \copydoc QWidget::resizeEvent
            virtual void resizeEvent(QResizeEvent *event) override;

        private:
            QScopedPointer<Ui::CDbLoadOverviewComponent> ui;
            BlackMisc::CDigestSignal m_dsTriggerGuiUpdate  { this, &CDbLoadOverviewComponent::setGuiValues, 2500, 5 };
            qint64 m_sharedLastCheck = -1; //!< when shared URLs were last checked
            bool m_sharedValueCheckInProgress = false; //!< setting values in progress, needed because of CNetworkUtils::canConnect check (processing events)
            const QString m_imgOk = ":/diagona/icons/diagona/icons/tick.png";
            const QString m_imgFailed = ":/diagona/icons/diagona/icons/cross-script.png";

            //! Trigger loading from DB
            void triggerLoadingFromDb(BlackMisc::Network::CEntityFlags::Entity entities);

            //! Trigger loading from shared files
            void triggerLoadingFromSharedFiles(BlackMisc::Network::CEntityFlags::Entity entities);

            //! Values at least set once
            bool isInitialized() const;

            //! Refresh directly from DB
            void refreshDbPressed();

            //! Refresh directly from shared files
            void refreshSharedPressed();

            //! Init the value panel
            void setGuiValues();

            //! Shared URL values
            void setSharedUrlValues();

            //! Data have been loaded
            void dataLoaded(BlackMisc::Network::CEntityFlags::Entity entities, BlackMisc::Network::CEntityFlags::ReadState state, int number, const QUrl &url);

            //! Load info objects if not already loaded
            void loadInfoObjects();

            //! Adjust text width
            void adjustTextWidth();

            //! Timestamp
            static QString formattedTimestamp(const QDateTime &dateTime);

            //! Formatted ts for entity (cache)
            static QString cacheTimestampForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Formatted count for entity (cache)
            static QString cacheCountForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Formatted ts for entity (DB)
            static QString dbTimestampForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Formatted count for entity (DB)
            static QString dbCountForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Formatted ts for entity (shared)
            static QString sharedFileTimestampForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Formatted count for entity (shared)
            static QString sharedCountForEntity(BlackMisc::Network::CEntityFlags::Entity entity);

            //! Admit caches
            static void admitCaches();
        };
    } // ns
} // ns
#endif // guard