#include "preferences.hh"
#include "keyboardstate.hh"
#include "language.hh"
#include "langcoder.hh"
#include <QMessageBox>
#include "broken_xrecord.hh"
#include "bass.hh"

Preferences::Preferences( QWidget * parent, Config::Preferences const & p ):
  QDialog( parent ), prevInterfaceLanguage( 0 )
{
  ui.setupUi( this );

  connect( ui.enableScanPopup, SIGNAL( toggled( bool ) ),
           this, SLOT( enableScanPopupToggled( bool ) ) );

  connect( ui.enableScanPopupModifiers, SIGNAL( toggled( bool ) ),
           this, SLOT( enableScanPopupModifiersToggled( bool ) ) );

  connect( ui.altKey, SIGNAL( clicked( bool ) ),
           this, SLOT( wholeAltClicked( bool ) ) );
  connect( ui.ctrlKey, SIGNAL( clicked( bool ) ),
           this, SLOT( wholeCtrlClicked( bool ) ) );
  connect( ui.shiftKey, SIGNAL( clicked( bool ) ),
           this, SLOT( wholeShiftClicked( bool ) ) );

  connect( ui.leftAlt, SIGNAL( clicked( bool ) ),
           this, SLOT( sideAltClicked( bool ) ) );
  connect( ui.rightAlt, SIGNAL( clicked( bool ) ),
           this, SLOT( sideAltClicked( bool ) ) );
  connect( ui.leftCtrl, SIGNAL( clicked( bool ) ),
           this, SLOT( sideCtrlClicked( bool ) ) );
  connect( ui.rightCtrl, SIGNAL( clicked( bool ) ),
           this, SLOT( sideCtrlClicked( bool ) ) );
  connect( ui.leftShift, SIGNAL( clicked( bool ) ),
           this, SLOT( sideShiftClicked( bool ) ) );
  connect( ui.rightShift, SIGNAL( clicked( bool ) ),
           this, SLOT( sideShiftClicked( bool ) ) );

  // Load values into form

  ui.interfaceLanguage->addItem( tr( "System default" ), QString() );
  ui.interfaceLanguage->addItem( QIcon( ":/flags/us.png" ), Language::localizedNameForId( LangCoder::code2toInt( "en" ) ), QString( "en_US" ) );

  // See which other translations do we have

  QStringList availLocs = QDir( Config::getLocDir() ).entryList( QStringList( "*.qm" ),
                                                                 QDir::Files );

  // We need to sort by language name -- otherwise list looks really weird
  QMap< QString, QPair< QIcon, QString > > sortedLocs;

  for( QStringList::iterator i = availLocs.begin(); i != availLocs.end(); ++i )
  {
    // Here we assume the xx_YY naming, where xx is language and YY is region.
    QString lang = i->mid( 0, 2 );

    if ( lang == "qt" )
      continue; // We skip qt's own localizations

    sortedLocs.insertMulti(
      Language::localizedNameForId( LangCoder::code2toInt( lang.toLatin1().data() ) ),
      QPair< QIcon, QString >(
        QIcon( QString( ":/flags/%1.png" ).arg( i->mid( 3, 2 ).toLower() ) ),
        i->mid( 0, i->size() - 3 ) ) );
  }

  for( QMap< QString, QPair< QIcon, QString > >::iterator i = sortedLocs.begin();
       i != sortedLocs.end(); ++i )
    ui.interfaceLanguage->addItem( i.value().first, i.key(), i.value().second );

  for( int x = 0; x < ui.interfaceLanguage->count(); ++x )
    if ( ui.interfaceLanguage->itemData( x ).toString() == p.interfaceLanguage )
    {
      ui.interfaceLanguage->setCurrentIndex( x );
      prevInterfaceLanguage = x;
      break;
    }

  ui.displayStyle->addItem( QIcon( ":/icons/programicon.png" ), tr( "Default" ), QString() );
  ui.displayStyle->addItem( QIcon( ":/icons/programicon.png" ), tr( "Modern" ), QString( "modern" ) );
  ui.displayStyle->addItem( QIcon( ":/icons/icon32_dsl.png" ), tr( "Lingvo" ), QString( "lingvo" ) );
  ui.displayStyle->addItem( QIcon( ":/icons/icon32_bgl.png" ), tr( "Babylon" ), QString( "babylon" ) );

  for( int x = 0; x < ui.displayStyle->count(); ++x )
    if ( ui.displayStyle->itemData( x ).toString() == p.displayStyle )
    {
      ui.displayStyle->setCurrentIndex( x );
      break;
    }

  ui.newTabsOpenAfterCurrentOne->setChecked( p.newTabsOpenAfterCurrentOne );
  ui.newTabsOpenInBackground->setChecked( p.newTabsOpenInBackground );
  ui.hideSingleTab->setChecked( p.hideSingleTab );
  ui.mruTabOrder->setChecked( p.mruTabOrder );
  ui.enableTrayIcon->setChecked( p.enableTrayIcon );
  ui.startToTray->setChecked( p.startToTray );
  ui.closeToTray->setChecked( p.closeToTray );
  ui.cbAutostart->setChecked( p.autoStart );
  ui.doubleClickTranslates->setChecked( p.doubleClickTranslates );
  ui.selectBySingleClick->setChecked( p.selectWordBySingleClick);
  ui.escKeyHidesMainWindow->setChecked( p.escKeyHidesMainWindow );

  ui.enableMainWindowHotkey->setChecked( p.enableMainWindowHotkey );
  ui.mainWindowHotkey->setHotKey( p.mainWindowHotkey );
  ui.enableClipboardHotkey->setChecked( p.enableClipboardHotkey );
  ui.clipboardHotkey->setHotKey( p.clipboardHotkey );

  ui.enableScanPopup->setChecked( p.enableScanPopup );
  ui.startWithScanPopupOn->setChecked( p.startWithScanPopupOn );
  ui.enableScanPopupModifiers->setChecked( p.enableScanPopupModifiers );

  ui.altKey->setChecked( p.scanPopupModifiers & KeyboardState::Alt );
  ui.ctrlKey->setChecked( p.scanPopupModifiers & KeyboardState::Ctrl );
  ui.shiftKey->setChecked( p.scanPopupModifiers & KeyboardState::Shift );
  ui.winKey->setChecked( p.scanPopupModifiers & KeyboardState::Win );
  ui.leftAlt->setChecked( p.scanPopupModifiers & KeyboardState::LeftAlt );
  ui.rightAlt->setChecked( p.scanPopupModifiers & KeyboardState::RightAlt );
  ui.leftCtrl->setChecked( p.scanPopupModifiers & KeyboardState::LeftCtrl );
  ui.rightCtrl->setChecked( p.scanPopupModifiers & KeyboardState::RightCtrl );
  ui.leftShift->setChecked( p.scanPopupModifiers & KeyboardState::LeftShift );
  ui.rightShift->setChecked( p.scanPopupModifiers & KeyboardState::RightShift );

  ui.scanPopupAltMode->setChecked( p.scanPopupAltMode );
  ui.scanPopupAltModeSecs->setValue( p.scanPopupAltModeSecs );
  ui.scanToMainWindow->setChecked( p.scanToMainWindow );
  ui.scanPopupUseUIAutomation->setChecked( p.scanPopupUseUIAutomation );
  ui.scanPopupUseIAccessibleEx->setChecked( p.scanPopupUseIAccessibleEx );
  ui.scanPopupUseGDMessage->setChecked( p.scanPopupUseGDMessage );

  ui.storeHistory->setChecked( p.storeHistory );
  ui.historyMaxSizeField->setValue( p.maxStringsInHistory );
  ui.historySaveIntervalField->setValue( p.historyStoreInterval );
  ui.alwaysExpandOptionalParts->setChecked( p.alwaysExpandOptionalParts );

  // Different platforms have different keys available

#ifdef Q_OS_WIN32
  ui.winKey->hide();
#else
  ui.leftAlt->hide();
  ui.rightAlt->hide();
  ui.leftCtrl->hide();
  ui.rightCtrl->hide();
  ui.leftShift->hide();
  ui.rightShift->hide();
#endif

//Platform-specific options

#ifndef Q_OS_WIN32
  ui.groupBox_ScanPopupTechnologies->hide();
//  ui.tabWidget->removeTab( 5 );
#endif

  // Sound

#ifdef Q_WS_WIN
  // Since there's only one Phonon backend under Windows, be more precise
  ui.playViaPhonon->setText( tr( "Play via DirectShow" ) );
  ui.playViaBass->setEnabled( BassAudioPlayer::instance().canBeUsed() );
#else
  // This setting is Windows-specific
  ui.useWindowsPlaySound->hide();
  ui.playViaBass->hide();
#endif

  ui.pronounceOnLoadMain->setChecked( p.pronounceOnLoadMain );
  ui.pronounceOnLoadPopup->setChecked( p.pronounceOnLoadPopup );

  ui.useExternalPlayer->setChecked( p.useExternalPlayer );

#ifdef Q_WS_WIN
  if ( p.useWindowsPlaySound && !p.useExternalPlayer )
    ui.useWindowsPlaySound->setChecked( true );
  else if( p.useBassLibrary && !p.useExternalPlayer && BassAudioPlayer::instance().canBeUsed() )
    ui.playViaBass->setChecked( true );
#endif

  ui.audioPlaybackProgram->setText( p.audioPlaybackProgram );

  if ( !isRECORDBroken() )
    ui.brokenXRECORD->hide();

  // Proxy server

  ui.useProxyServer->setChecked( p.proxyServer.enabled );

  ui.proxyType->addItem( "SOCKS5" );
  ui.proxyType->addItem( "HTTP Transp." );
  ui.proxyType->addItem( "HTTP Caching" );

  ui.proxyType->setCurrentIndex( p.proxyServer.type );

  ui.proxyHost->setText( p.proxyServer.host );
  ui.proxyPort->setValue( p.proxyServer.port );

  ui.proxyUser->setText( p.proxyServer.user );
  ui.proxyPassword->setText( p.proxyServer.password );

  ui.checkForNewReleases->setChecked( p.checkForNewReleases );
  ui.disallowContentFromOtherSites->setChecked( p.disallowContentFromOtherSites );
  ui.enableWebPlugins->setChecked( p.enableWebPlugins );

  // Add-on styles
  ui.addonStylesLabel->setVisible( ui.addonStyles->count() > 1 );
  ui.addonStyles->setCurrentStyle( p.addonStyle );
}

Config::Preferences Preferences::getPreferences()
{
  Config::Preferences p;

  p.interfaceLanguage =
    ui.interfaceLanguage->itemData(
      ui.interfaceLanguage->currentIndex() ).toString();

  p.displayStyle =
    ui.displayStyle->itemData(
      ui.displayStyle->currentIndex() ).toString();

  p.newTabsOpenAfterCurrentOne = ui.newTabsOpenAfterCurrentOne->isChecked();
  p.newTabsOpenInBackground = ui.newTabsOpenInBackground->isChecked();
  p.hideSingleTab = ui.hideSingleTab->isChecked();
  p.mruTabOrder = ui.mruTabOrder->isChecked();
  p.enableTrayIcon = ui.enableTrayIcon->isChecked();
  p.startToTray = ui.startToTray->isChecked();
  p.closeToTray = ui.closeToTray->isChecked();
  p.autoStart = ui.cbAutostart->isChecked();
  p.doubleClickTranslates = ui.doubleClickTranslates->isChecked();
  p.selectWordBySingleClick = ui.selectBySingleClick->isChecked();
  p.escKeyHidesMainWindow = ui.escKeyHidesMainWindow->isChecked();

  p.enableMainWindowHotkey = ui.enableMainWindowHotkey->isChecked();
  p.mainWindowHotkey = ui.mainWindowHotkey->getHotKey();
  p.enableClipboardHotkey = ui.enableClipboardHotkey->isChecked();
  p.clipboardHotkey = ui.clipboardHotkey->getHotKey();

  p.enableScanPopup = ui.enableScanPopup->isChecked();
  p.startWithScanPopupOn = ui.startWithScanPopupOn->isChecked();
  p.enableScanPopupModifiers = ui.enableScanPopupModifiers->isChecked();

  p.scanPopupModifiers += ui.altKey->isChecked() ? KeyboardState::Alt : 0;
  p.scanPopupModifiers += ui.ctrlKey->isChecked() ? KeyboardState::Ctrl: 0;
  p.scanPopupModifiers += ui.shiftKey->isChecked() ? KeyboardState::Shift: 0;
  p.scanPopupModifiers += ui.winKey->isChecked() ? KeyboardState::Win: 0;
  p.scanPopupModifiers += ui.leftAlt->isChecked() ? KeyboardState::LeftAlt: 0;
  p.scanPopupModifiers += ui.rightAlt->isChecked() ? KeyboardState::RightAlt: 0;
  p.scanPopupModifiers += ui.leftCtrl->isChecked() ? KeyboardState::LeftCtrl: 0;
  p.scanPopupModifiers += ui.rightCtrl->isChecked() ? KeyboardState::RightCtrl: 0;
  p.scanPopupModifiers += ui.leftShift->isChecked() ? KeyboardState::LeftShift: 0;
  p.scanPopupModifiers += ui.rightShift->isChecked() ? KeyboardState::RightShift: 0;

  p.scanPopupAltMode = ui.scanPopupAltMode->isChecked();
  p.scanPopupAltModeSecs = ui.scanPopupAltModeSecs->value();
  p.scanToMainWindow = ui.scanToMainWindow->isChecked();
  p.scanPopupUseUIAutomation = ui.scanPopupUseUIAutomation->isChecked();
  p.scanPopupUseIAccessibleEx = ui.scanPopupUseIAccessibleEx->isChecked();
  p.scanPopupUseGDMessage = ui.scanPopupUseGDMessage->isChecked();

  p.storeHistory = ui.storeHistory->isChecked();
  p.maxStringsInHistory = ui.historyMaxSizeField->text().toUInt();
  p.historyStoreInterval = ui.historySaveIntervalField->text().toUInt();
  p.alwaysExpandOptionalParts = ui.alwaysExpandOptionalParts->isChecked();

  p.pronounceOnLoadMain = ui.pronounceOnLoadMain->isChecked();
  p.pronounceOnLoadPopup = ui.pronounceOnLoadPopup->isChecked();
  p.useExternalPlayer = ui.useExternalPlayer->isChecked();
#ifdef Q_WS_WIN
  p.useWindowsPlaySound = ui.useWindowsPlaySound->isChecked();
  p.useBassLibrary = ui.playViaBass->isChecked();
#endif
  p.audioPlaybackProgram = ui.audioPlaybackProgram->text();

  p.proxyServer.enabled = ui.useProxyServer->isChecked();

  p.proxyServer.type = ( Config::ProxyServer::Type ) ui.proxyType->currentIndex();

  p.proxyServer.host = ui.proxyHost->text();
  p.proxyServer.port = ( unsigned ) ui.proxyPort->value();

  p.proxyServer.user = ui.proxyUser->text();
  p.proxyServer.password = ui.proxyPassword->text();

  p.checkForNewReleases = ui.checkForNewReleases->isChecked();
  p.disallowContentFromOtherSites = ui.disallowContentFromOtherSites->isChecked();
  p.enableWebPlugins = ui.enableWebPlugins->isChecked();

  p.addonStyle = ui.addonStyles->getCurrentStyle();

  return p;
}

void Preferences::enableScanPopupToggled( bool b )
{
  ui.scanPopupModifiers->setEnabled( b && ui.enableScanPopupModifiers->isChecked() );
}

void Preferences::enableScanPopupModifiersToggled( bool b )
{
  ui.scanPopupModifiers->setEnabled( b && ui.enableScanPopup->isChecked() );
}

void Preferences::wholeAltClicked( bool b )
{
  if ( b )
  {
    ui.leftAlt->setChecked( false );
    ui.rightAlt->setChecked( false );
  }
}

void Preferences::wholeCtrlClicked( bool b )
{
  if ( b )
  {
    ui.leftCtrl->setChecked( false );
    ui.rightCtrl->setChecked( false );
  }
}

void Preferences::wholeShiftClicked( bool b )
{
  if ( b )
  {
    ui.leftShift->setChecked( false );
    ui.rightShift->setChecked( false );
  }
}

void Preferences::sideAltClicked( bool )
{
  if ( ui.leftAlt->isChecked() || ui.rightAlt->isChecked() )
    ui.altKey->setChecked( false );
}

void Preferences::sideCtrlClicked( bool )
{
  if ( ui.leftCtrl->isChecked() || ui.rightCtrl->isChecked() )
    ui.ctrlKey->setChecked( false );
}

void Preferences::sideShiftClicked( bool )
{
  if ( ui.leftShift->isChecked() || ui.rightShift->isChecked() )
    ui.shiftKey->setChecked( false );
}

void Preferences::on_enableMainWindowHotkey_toggled( bool checked )
{
  ui.mainWindowHotkey->setEnabled( checked );
}

void Preferences::on_enableClipboardHotkey_toggled( bool checked )
{
  ui.clipboardHotkey->setEnabled( checked );
}

void Preferences::on_buttonBox_accepted()
{
  if ( prevInterfaceLanguage != ui.interfaceLanguage->currentIndex() )
    QMessageBox::information( this, tr( "Changing Language" ),
                              tr( "Restart the program to apply the language change." ) );
}

void Preferences::on_useExternalPlayer_toggled( bool enabled )
{
  ui.audioPlaybackProgram->setEnabled( enabled );
}