/******************************************************************************\
 * Copyright (c) 2004-2020
 *
 * Author(s):
 *  Volker Fischer
 *
 ******************************************************************************
 *
 * 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
 *
\******************************************************************************/

#pragma once

#include <QCloseEvent>
#include <QLabel>
#include <QListView>
#include <QTimer>
#include <QPixmap>
#include <QThread>
#include <QSlider>
#include <QMenuBar>
#include <QLayout>
#include <QSystemTrayIcon>
#include <QSettings>
#include <QFileDialog>
#include "global.h"
#include "server.h"
#include "settings.h"
#include "ui_serverdlgbase.h"


/* Definitions ****************************************************************/
// update time for GUI controls
#define GUI_CONTRL_UPDATE_TIME      1000 // ms

// Strings used in multiple places
#define SREC_NOT_INITIALISED CServerDlg::tr ( "Not initialised" )
#define SREC_NOT_ENABLED     CServerDlg::tr ( "Not enabled" )
#define SREC_NOT_RECORDING   CServerDlg::tr ( "Not recording" )
#define SREC_RECORDING       CServerDlg::tr ( "Recording" )


/* Classes ********************************************************************/
class CServerDlg : public QDialog, private Ui_CServerDlgBase
{
    Q_OBJECT

public:
    CServerDlg ( CServer*         pNServP,
                 CServerSettings* pNSetP,
                 const bool       bStartMinimized,
                 QWidget*         parent = nullptr,
                 Qt::WindowFlags  f = nullptr );

protected:
    virtual void changeEvent ( QEvent* pEvent );
    virtual void closeEvent ( QCloseEvent* Event );

    void         UpdateGUIDependencies();
    void         UpdateSystemTrayIcon ( const bool bIsActive );
    void         ShowWindowInForeground() { showNormal(); raise(); }
    void         ModifyAutoStartEntry ( const bool bDoAutoStart );
    void         UpdateRecorderStatus( QString sessionDir );

    QTimer                    Timer;
    CServer*                  pServer;
    CServerSettings*          pSettings;

    CVector<QTreeWidgetItem*> vecpListViewItems;
    QMutex                    ListViewMutex;

    QMenuBar*                 pMenu;

    bool                      bSystemTrayIconAvaialbe;
    QSystemTrayIcon           SystemTrayIcon;
    QPixmap                   BitmapSystemTrayInactive;
    QPixmap                   BitmapSystemTrayActive;
    QMenu*                    pSystemTrayIconMenu;

public slots:
    void OnAboutToQuit() { pSettings->Save(); }

    void OnRegisterServerStateChanged ( int value );
    void OnStartOnOSStartStateChanged ( int value );
    void OnUseCCLicenceStateChanged ( int value );
    void OnEnableRecorderStateChanged ( int value )
        { pServer->SetEnableRecording ( Qt::CheckState::Checked == value ); }

    void OnCentralServerAddressEditingFinished();
    void OnServerNameTextChanged ( const QString& strNewName );
    void OnLocationCityTextChanged ( const QString& strNewCity );
    void OnLocationCountryActivated ( int iCntryListItem );
    void OnCentServAddrTypeActivated ( int iTypeIdx );
    void OnTimer();
    void OnServerStarted();
    void OnServerStopped();
    void OnSvrRegStatusChanged() { UpdateGUIDependencies(); }
    void OnStopRecorder();
    void OnSysTrayMenuOpen() { ShowWindowInForeground(); }
    void OnSysTrayMenuHide() { hide(); }
    void OnSysTrayMenuExit() { close(); }
    void OnSysTrayActivated ( QSystemTrayIcon::ActivationReason ActReason );
    void OnWelcomeMessageChanged() { pServer->SetWelcomeMessage ( tedWelcomeMessage->toPlainText() ); }

    void keyPressEvent ( QKeyEvent *e ) // block escape key
        { if ( e->key() != Qt::Key_Escape ) QDialog::keyPressEvent ( e ); }

    void OnLanguageChanged ( QString strLanguage ) { pSettings->strLanguage = strLanguage; }
    void OnNewRecordingClicked() { pServer->RequestNewRecording(); }
    void OnRecordingDirClicked();
    void OnClearRecordingDirClicked();
    void OnRecordingSessionStarted ( QString sessionDir )
        { UpdateRecorderStatus ( sessionDir ); }
};