/******************************************************************************\
 * 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., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
\******************************************************************************/

#include <QLabel>
#include <QString>
#include <QLineEdit>
#include <QPushButton>
#include <QProgressBar>
#include <QWhatsThis>
#include <QTimer>
#include <QSlider>
#include <QRadioButton>
#include <QMenuBar>
#include <QLayout>
#include "global.h"
#include "client.h"
#include "settings.h"
#include "multicolorled.h"
#include "audiomixerboard.h"
#include "clientsettingsdlg.h"
#include "chatdlg.h"
#include "connectdlg.h"
#include "analyzerconsole.h"
#include "ui_clientdlgbase.h"
#if defined ( __APPLE__ ) || defined ( __MACOSX )
# if QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)
#  include <QtMac>
# endif
#endif


/* Definitions ****************************************************************/
// text strings for connection button for connect and disconnect
#define CON_BUT_CONNECTTEXT         "C&onnect"
#define CON_BUT_DISCONNECTTEXT      "D&isconnect"

// update time for GUI controls
#define LEVELMETER_UPDATE_TIME_MS   100   // ms
#define BUFFER_LED_UPDATE_TIME_MS   300   // ms
#define LED_BAR_UPDATE_TIME_MS      1000  // ms

// number of ping times > upper bound until error message is shown
#define NUM_HIGH_PINGS_UNTIL_ERROR  5


/* Classes ********************************************************************/
class CClientDlg : public QDialog, private Ui_CClientDlgBase
{
    Q_OBJECT

public:
    CClientDlg ( CClient*        pNCliP,
                 CSettings*      pNSetP,
                 const QString&  strConnOnStartupAddress,
                 const bool      bNewShowComplRegConnList,
                 const bool      bShowAnalyzerConsole,
                 QWidget*        parent = nullptr,
                 Qt::WindowFlags f = nullptr );

protected:
    void               SetGUIDesign ( const EGUIDesign eNewDesign );
    void               SetMyWindowTitle ( const int iNumClients );
    void               ShowConnectionSetupDialog();
    void               ShowMusicianProfileDialog();
    void               ShowGeneralSettings();
    void               ShowChatWindow ( const bool bForceRaise = true );
    void               ShowAnalyzerConsole();
    void               UpdateAudioFaderSlider();
    void               UpdateRevSelection();
    void               Connect ( const QString& strSelectedAddress,
                                 const QString& strMixerBoardLabel );
    void               Disconnect();

    CClient*           pClient;
    CSettings*         pSettings;

    bool               bConnected;
    bool               bConnectDlgWasShown;
    QTimer             TimerSigMet;
    QTimer             TimerBuffersLED;
    QTimer             TimerStatus;
    QTimer             TimerPing;

    virtual void       closeEvent  ( QCloseEvent* Event );
    void               UpdateDisplay();

    QMenu*             pViewMenu;
    QMenuBar*          pMenu;
    QMenu*             pInstrPictPopupMenu;
    QMenu*             pCountryFlagPopupMenu;

    CClientSettingsDlg ClientSettingsDlg;
    CChatDlg           ChatDlg;
    CConnectDlg        ConnectDlg;
    CAnalyzerConsole   AnalyzerConsole;
    CMusProfDlg        MusicianProfileDlg;

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

    void OnConnectDisconBut();
    void OnTimerSigMet();
    void OnTimerBuffersLED();

    void OnTimerStatus() { UpdateDisplay(); }

    void OnTimerPing();
    void OnPingTimeResult ( int iPingTime );
    void OnCLPingTimeWithNumClientsReceived ( CHostAddress InetAddr,
                                              int          iPingTime,
                                              int          iNumClients );

    void OnControllerInFaderLevel ( const int iChannelIdx,
                                    const int iValue ) { MainMixerBoard->SetFaderLevel ( iChannelIdx,
                                                                                         iValue ); }

#ifdef ENABLE_CLIENT_VERSION_AND_OS_DEBUGGING
    void OnCLVersionAndOSReceived ( CHostAddress           InetAddr,
                                    COSUtil::EOpSystemType eOSType,
                                    QString                strVersion )
        { ConnectDlg.SetVersionAndOSType ( InetAddr, eOSType, strVersion ); }
#endif

    void OnOpenConnectionSetupDialog() { ShowConnectionSetupDialog(); }
    void OnOpenMusicianProfileDialog() { ShowMusicianProfileDialog(); }
    void OnOpenGeneralSettings() { ShowGeneralSettings(); }
    void OnOpenChatDialog() { ShowChatWindow(); }
    void OnOpenAnalyzerConsole() { ShowAnalyzerConsole(); }

    void OnSettingsStateChanged ( int value );
    void OnChatStateChanged ( int value );
    void OnLocalMuteStateChanged ( int value );

    void OnAudioPanValueChanged ( int value );

    void OnAudioReverbValueChanged ( int value )
        { pClient->SetReverbLevel ( value ); }

    void OnReverbSelLClicked()
        { pClient->SetReverbOnLeftChan ( true ); }

    void OnReverbSelRClicked()
        { pClient->SetReverbOnLeftChan ( false ); }

    void OnConClientListMesReceived ( CVector<CChannelInfo> vecChanInfo );
    void OnChatTextReceived ( QString strChatText );
    void OnLicenceRequired ( ELicenceType eLicenceType );

    void OnChangeChanGain ( int iId, double dGain )
        { pClient->SetRemoteChanGain ( iId, dGain ); }

    void OnNewLocalInputText ( QString strChatText )
        { pClient->CreateChatTextMes ( strChatText ); }

    void OnReqServerListQuery ( CHostAddress InetAddr )
        { pClient->CreateCLReqServerListMes ( InetAddr ); }

    void OnCreateCLServerListPingMes ( CHostAddress InetAddr )
        { pClient->CreateCLServerListPingMes ( InetAddr ); }

    void OnCreateCLServerListReqVerAndOSMes ( CHostAddress InetAddr )
        { pClient->CreateCLServerListReqVerAndOSMes ( InetAddr ); }

    void OnCreateCLServerListReqConnClientsListMes ( CHostAddress InetAddr )
        { pClient->CreateCLServerListReqConnClientsListMes ( InetAddr ); }

    void OnCLServerListReceived ( CHostAddress         InetAddr,
                                  CVector<CServerInfo> vecServerInfo )
        { ConnectDlg.SetServerList ( InetAddr, vecServerInfo ); }

    void OnCLConnClientsListMesReceived ( CHostAddress          InetAddr,
                                          CVector<CChannelInfo> vecChanInfo )
        { ConnectDlg.SetConnClientsList ( InetAddr, vecChanInfo ); }

    void OnCLChannelLevelListReceived ( CHostAddress       /* unused */,
                                        CVector<uint16_t> vecLevelList )
        { MainMixerBoard->SetChannelLevels ( vecLevelList ); }

    void OnConnectDlgAccepted();
    void OnDisconnected();
    void OnCentralServerAddressTypeChanged();

    void OnGUIDesignChanged()
        { SetGUIDesign ( pClient->GetGUIDesign() ); }

    void OnDisplayChannelLevelsChanged()
        { MainMixerBoard->SetDisplayChannelLevels ( pClient->GetDisplayChannelLevels() ); }

    void OnAudioChannelsChanged() { UpdateRevSelection(); }
    void OnNumClientsChanged ( int iNewNumClients );
    void OnNewClientLevelChanged() { MainMixerBoard->iNewClientFaderLevel = pClient->iNewClientFaderLevel; }

    void accept() { close(); } // introduced by pljones

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