/*
                     This file is part of the OPIE Project

               =.            Copyright (c)  2002 Andy Qua <andy.qua@blueyonder.co.uk>
      .=l.                                Dan Williams <drw@handhelds.org>
     .>+-=
_;:,   .>  :=|.         This file is free software; you can
.> <`_,  > .  <=          redistribute it and/or modify it under
:`=1 )Y*s>-.--  :           the terms of the GNU General Public
.="- .-=="i,   .._         License as published by the Free Software
- .  .-<_>   .<>         Foundation; either version 2 of the License,
  ._= =}    :          or (at your option) any later version.
  .%`+i>    _;_.
  .i_,=:_.   -<s.       This file 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 file;
 -_. . .  )=. =           see the file COPYING. If not, write to the
  --    :-=`           Free Software Foundation, Inc.,
                             59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.

*/

#include "settingsimpl.h"
#include "global.h"

/* OPIE */
#include <opie2/otabwidget.h>
#include <opie2/oresource.h>
#include <qpe/config.h>
#include <qpe/qpeapplication.h>

/* QT */
#include <qcheckbox.h>
#include <qgroupbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qlistbox.h>
#include <qpushbutton.h>

using namespace Opie::Ui;
using namespace Opie::Ui;
SettingsImpl :: SettingsImpl( DataManager *dataManager, QWidget * parent, const char* name, bool modal, WFlags fl )
        : QDialog( parent, name, modal, fl )
{
    setCaption( tr( "Configuration" ) );

    // Setup layout to make everything pretty
    QVBoxLayout *layout = new QVBoxLayout( this );
    layout->setMargin( 2 );
    layout->setSpacing( 4 );

    // Setup tabs for all info
    OTabWidget *tabwidget = new OTabWidget( this );
    layout->addWidget( tabwidget );

    tabwidget->addTab( initServerTab(), "aqpkg/servertab", tr( "Servers" ) );
    tabwidget->addTab( initDestinationTab(), "aqpkg/desttab", tr( "Destinations" ) );
    tabwidget->addTab( initProxyTab(), "aqpkg/proxytab", tr( "Proxies" ) );
    tabwidget->setCurrentTab( tr( "Servers" ) );

    dataMgr = dataManager;
    setupData();
    changed = false;
    newserver = false;
    newdestination = false;
}

SettingsImpl :: ~SettingsImpl()
{
}

bool SettingsImpl :: showDlg()
{
    QPEApplication::execDialog( this );
    if ( changed )
        dataMgr->writeOutIpkgConf();

    return changed;
}

QWidget *SettingsImpl :: initServerTab()
{
    QWidget *control = new QWidget( this );

    QVBoxLayout *vb = new QVBoxLayout( control );

    QScrollView *sv = new QScrollView( control );
    vb->addWidget( sv, 0, 0 );
    sv->setResizePolicy( QScrollView::AutoOneFit );
    sv->setFrameStyle( QFrame::NoFrame );

    QWidget *container = new QWidget( sv->viewport() );
    sv->addChild( container );

    QGridLayout *layout = new QGridLayout( container );
    layout->setSpacing( 2 );
    layout->setMargin( 4 );

    servers = new QListBox( container );
    servers->setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred ) );
    connect( servers, SIGNAL( highlighted(int) ), this, SLOT( editServer(int) ) );
    layout->addMultiCellWidget( servers, 0, 0, 0, 1 );

    QPushButton *btn = new QPushButton( Opie::Core::OResource::loadPixmap( "new", Opie::Core::OResource::SmallIcon ),
                                        tr( "New" ), container );
    connect( btn, SIGNAL( clicked() ), this, SLOT( newServer() ) );
    layout->addWidget( btn, 1, 0 );

    btn = new QPushButton( Opie::Core::OResource::loadPixmap( "trash", Opie::Core::OResource::SmallIcon ), tr( "Delete" ), container );
    connect( btn, SIGNAL( clicked() ), this, SLOT( removeServer() ) );
    layout->addWidget( btn, 1, 1 );

    QGroupBox *grpbox = new QGroupBox( 0, Qt::Vertical, tr( "Server" ), container );
    grpbox->layout()->setSpacing( 2 );
    grpbox->layout()->setMargin( 4 );
    layout->addMultiCellWidget( grpbox, 2, 2, 0, 1 );

    QGridLayout *grplayout = new QGridLayout( grpbox->layout() );

    QLabel *label = new QLabel( tr( "Name:" ), grpbox );
    grplayout->addWidget( label, 0, 0 );
    servername = new QLineEdit( grpbox );
    grplayout->addWidget( servername, 0, 1 );

    label = new QLabel( tr( "Address:" ), grpbox );
    grplayout->addWidget( label, 1, 0 );
    serverurl = new QLineEdit( grpbox );
    grplayout->addWidget( serverurl, 1, 1 );

    active = new QCheckBox( tr( "Active Server" ), grpbox );
    grplayout->addMultiCellWidget( active, 2, 2, 0, 1 );

    btn = new QPushButton( Opie::Core::OResource::loadPixmap( "edit", Opie::Core::OResource::SmallIcon ), tr( "Update" ), grpbox );
    connect( btn, SIGNAL( clicked() ), this, SLOT( changeServerDetails() ) );
    grplayout->addMultiCellWidget( btn, 3, 3, 0, 1 );

    return control;
}

QWidget *SettingsImpl :: initDestinationTab()
{
    QWidget *control = new QWidget( this );

    QVBoxLayout *vb = new QVBoxLayout( control );

    QScrollView *sv = new QScrollView( control );
    vb->addWidget( sv, 0, 0 );
    sv->setResizePolicy( QScrollView::AutoOneFit );
    sv->setFrameStyle( QFrame::NoFrame );

    QWidget *container = new QWidget( sv->viewport() );
    sv->addChild( container );

    QGridLayout *layout = new QGridLayout( container );
    layout->setSpacing( 2 );
    layout->setMargin( 4 );

    destinations = new QListBox( container );
    destinations->setSizePolicy( QSizePolicy( QSizePolicy::Preferred, QSizePolicy::Preferred ) );
    connect( destinations, SIGNAL( highlighted(int) ), this, SLOT( editDestination(int) ) );
    layout->addMultiCellWidget( destinations, 0, 0, 0, 1 );

    QPushButton *btn = new QPushButton( Opie::Core::OResource::loadPixmap( "new", Opie::Core::OResource::SmallIcon ), tr( "New" ), container );
    connect( btn, SIGNAL( clicked() ), this, SLOT( newDestination() ) );
    layout->addWidget( btn, 1, 0 );

    btn = new QPushButton( Opie::Core::OResource::loadPixmap( "trash", Opie::Core::OResource::SmallIcon ), tr( "Delete" ), container );
    connect( btn, SIGNAL( clicked() ), this, SLOT( removeDestination() ) );
    layout->addWidget( btn, 1, 1 );

    QGroupBox *grpbox = new QGroupBox( 0, Qt::Vertical, tr( "Destination" ), container );
    grpbox->layout()->setSpacing( 2 );
    grpbox->layout()->setMargin( 4 );
    layout->addMultiCellWidget( grpbox, 2, 2, 0, 1 );

    QGridLayout *grplayout = new QGridLayout( grpbox->layout() );

    QLabel *label = new QLabel( tr( "Name:" ), grpbox );
    grplayout->addWidget( label, 0, 0 );
    destinationname = new QLineEdit( grpbox );
    grplayout->addWidget( destinationname, 0, 1 );

    label = new QLabel( tr( "Location:" ), grpbox );
    grplayout->addWidget( label, 1, 0 );
    destinationurl = new QLineEdit( grpbox );
    grplayout->addWidget( destinationurl, 1, 1 );

    linkToRoot = new QCheckBox( tr( "Link to root" ), grpbox );
    grplayout->addMultiCellWidget( linkToRoot, 2, 2, 0, 1 );

    btn = new QPushButton( Opie::Core::OResource::loadPixmap( "edit", Opie::Core::OResource::SmallIcon ), tr( "Update" ), grpbox );
    connect( btn, SIGNAL( clicked() ), this, SLOT( changeDestinationDetails() ) );
    grplayout->addMultiCellWidget( btn, 3, 3, 0, 1 );

    return control;
}

QWidget *SettingsImpl :: initProxyTab()
{
    QWidget *control = new QWidget( this );

    QVBoxLayout *vb = new QVBoxLayout( control );

    QScrollView *sv = new QScrollView( control );
    vb->addWidget( sv, 0, 0 );
    sv->setResizePolicy( QScrollView::AutoOneFit );
    sv->setFrameStyle( QFrame::NoFrame );

    QWidget *container = new QWidget( sv->viewport() );
    sv->addChild( container );

    QGridLayout *layout = new QGridLayout( container );
    layout->setSpacing( 2 );
    layout->setMargin( 4 );

    QGroupBox *grpbox = new QGroupBox( 0, Qt::Vertical, tr( "HTTP Proxy" ), container );
    grpbox->layout()->setSpacing( 2 );
    grpbox->layout()->setMargin( 4 );
    layout->addMultiCellWidget( grpbox, 0, 0, 0, 1 );
    QVBoxLayout *grplayout = new QVBoxLayout( grpbox->layout() );
    txtHttpProxy = new QLineEdit( grpbox );
    grplayout->addWidget( txtHttpProxy );
    chkHttpProxyEnabled = new QCheckBox( tr( "Enabled" ), grpbox );
    grplayout->addWidget( chkHttpProxyEnabled );

    grpbox = new QGroupBox( 0, Qt::Vertical, tr( "FTP Proxy" ), container );
    grpbox->layout()->setSpacing( 2 );
    grpbox->layout()->setMargin( 4 );
    layout->addMultiCellWidget( grpbox, 1, 1, 0, 1 );
    grplayout = new QVBoxLayout( grpbox->layout() );
    txtFtpProxy = new QLineEdit( grpbox );
    grplayout->addWidget( txtFtpProxy );
    chkFtpProxyEnabled = new QCheckBox( tr( "Enabled" ), grpbox );
    grplayout->addWidget( chkFtpProxyEnabled );

    QLabel *label = new QLabel( tr( "Username:" ), container );
    layout->addWidget( label, 2, 0 );
    txtUsername = new QLineEdit( container );
    layout->addWidget( txtUsername, 2, 1 );

    label = new QLabel( tr( "Password:" ), container );
    layout->addWidget( label, 3, 0 );
    txtPassword = new QLineEdit( container );
    layout->addWidget( txtPassword, 3, 1 );

    QPushButton *btn = new QPushButton( Opie::Core::OResource::loadPixmap( "edit", Opie::Core::OResource::SmallIcon ), tr( "Update" ), container );
    connect( btn, SIGNAL( clicked() ), this, SLOT( proxyApplyChanges() ) );
    layout->addMultiCellWidget( btn, 4, 4, 0, 1 );

    return control;
}

void SettingsImpl :: setupData()
{
    // add servers
    QString serverName;
    QListIterator<Server> it( dataMgr->getServerList() );
    for ( ; it.current(); ++it )
    {
        serverName = it.current()->getServerName();
        if ( serverName == LOCAL_SERVER || serverName == LOCAL_IPKGS )
            continue;

        servers->insertItem( serverName );
    }


    // add destinations
    QListIterator<Destination> it2( dataMgr->getDestinationList() );
    for ( ; it2.current(); ++it2 )
        destinations->insertItem( it2.current()->getDestinationName() );

    // setup proxy tab
    txtHttpProxy->setText( dataMgr->getHttpProxy() );
    txtFtpProxy->setText( dataMgr->getFtpProxy() );
    txtUsername->setText( dataMgr->getProxyUsername() );
    txtPassword->setText( dataMgr->getProxyPassword() );
    chkHttpProxyEnabled->setChecked( dataMgr->getHttpProxyEnabled() );
    chkFtpProxyEnabled->setChecked( dataMgr->getFtpProxyEnabled() );
}

//------------------ Servers tab ----------------------

void SettingsImpl :: editServer( int sel )
{
    currentSelectedServer = sel;
    Server *s = dataMgr->getServer( servers->currentText() );
    if ( s )
    {
        serverName = s->getServerName();
        servername->setText( s->getServerName() );
        serverurl->setText( s->getServerUrl() );
        active->setChecked( s->isServerActive() );
    }
    else
    {
        serverName = "";
        servername->setText( "" );
        serverurl->setText( "" );
        active->setChecked( false );
    }
}

void SettingsImpl :: newServer()
{
    newserver = true;
    servername->setText( "" );
    serverurl->setText( "" );
    servername->setFocus();
    active->setChecked( true );
}

void SettingsImpl :: removeServer()
{
    changed = true;
    Server *s = dataMgr->getServer( servers->currentText() );
    if ( s )
    {
        dataMgr->getServerList().removeRef( s );
        servers->removeItem( currentSelectedServer );
    }
}

void SettingsImpl :: changeServerDetails()
{
    changed = true;

    QString newName = servername->text();

    // Convert any spaces to underscores
    char *tmpStr = new char[newName.length() + 1];
    for ( unsigned int i = 0 ; i < newName.length() ; ++i )
    {
        if ( newName[i] == ' ' )
            tmpStr[i] = '_';
        else
            tmpStr[i] = newName[i].latin1();
    }
    tmpStr[newName.length()] = '\0';

    newName = tmpStr;
    delete [] tmpStr;

    if ( !newserver )
    {
        Server *s = dataMgr->getServer( servers->currentText() );
        if ( s )
        {
            // Update url
            s->setServerUrl( serverurl->text() );
            s->setActive( active->isChecked() );

            // Check if server name has changed, if it has then we need to replace the key in the map
            if ( serverName != newName )
            {
                // Update server name
                s->setServerName( newName );
            }

            // Update list box
            servers->changeItem( newName, currentSelectedServer );
        }
    }
    else
    {
        Server s( newName, serverurl->text() );
        dataMgr->getServerList().append( new Server( newName, serverurl->text() ) );
        dataMgr->getServerList().last()->setActive( active->isChecked() );
        servers->insertItem( newName );
        servers->setCurrentItem( servers->count() );
        newserver = false;
    }
}

//------------------ Destinations tab ----------------------

void SettingsImpl :: editDestination( int sel )
{
    currentSelectedDestination = sel;
    Destination *d = dataMgr->getDestination( destinations->currentText() );
    if ( d )
    {
        destinationName = d->getDestinationName();
        destinationname->setText( d->getDestinationName() );
        destinationurl->setText( d->getDestinationPath() );
        linkToRoot->setChecked( d->linkToRoot() );
    }
    else
    {
        destinationName = "";
        destinationname->setText( "" );
        destinationurl->setText( "" );
        linkToRoot->setChecked( false );
    }
}

void SettingsImpl :: newDestination()
{
    newdestination = true;
    destinationname->setText( "" );
    destinationurl->setText( "" );
    destinationname->setFocus();
    linkToRoot->setChecked( true );
}

void SettingsImpl :: removeDestination()
{
    changed = true;
    Destination *d = dataMgr->getDestination( destinations->currentText() );
    if ( d )
    {
        dataMgr->getDestinationList().removeRef( d );
        destinations->removeItem( currentSelectedDestination );
    }
}

void SettingsImpl :: changeDestinationDetails()
{
    changed = true;

#ifdef QWS
    Config cfg( "aqpkg" );
    cfg.setGroup( "destinations" );
#endif

    QString newName = destinationname->text();
    if ( !newdestination )
    {
        Destination *d = dataMgr->getDestination( destinations->currentText() );
        if ( d )
        {
            // Update url
            d->setDestinationPath( destinationurl->text() );
            d->linkToRoot( linkToRoot->isChecked() );

            // Check if server name has changed, if it has then we need to replace the key in the map
            if ( destinationName != newName )
            {
                // Update server name
                d->setDestinationName( newName );

                // Update list box
                destinations->changeItem( newName, currentSelectedDestination );
            }

#ifdef QWS
            QString key = newName;
            key += "_linkToRoot";
            int val = d->linkToRoot();
            cfg.writeEntry( key, val );
#endif

        }
    }
    else
    {
        dataMgr->getDestinationList().append( new Destination( newName, destinationurl->text() ) );
        destinations->insertItem( newName );
        destinations->setCurrentItem( destinations->count() );
        newdestination = false;

#ifdef QWS
        QString key = newName;
        key += "_linkToRoot";
        cfg.writeEntry( key, true );
#endif

    }
}

//------------------ Proxy tab ----------------------
void SettingsImpl :: proxyApplyChanges()
{
    changed = true;
    dataMgr->setHttpProxy( txtHttpProxy->text() );
    dataMgr->setFtpProxy( txtFtpProxy->text() );
    dataMgr->setProxyUsername( txtUsername->text() );
    dataMgr->setProxyPassword( txtPassword->text() );

    dataMgr->setHttpProxyEnabled( chkHttpProxyEnabled->isChecked() );
    dataMgr->setFtpProxyEnabled( chkFtpProxyEnabled->isChecked() );
}