#include "tdestringmatcher.h"
#include "tdestringmatcher-dialog.h"

#include <tqregexp.h>
#include "tdeconfig.h"
#include "kdebug.h"

TDEStringMatcher::TDEStringMatcher()
{
  patternsDivider = patternsDividerDefault;
  setCriteria( criteriaMatchNothing );
}

TDEStringMatcher::~TDEStringMatcher()
{
}

bool TDEStringMatcher::match( const TQString& filename )
{
  TQRegExp rxMatcher;
  if ( filename.isEmpty() )
    return FALSE;
  rxMatcher.setWildcard( ! isRegex );
  rxMatcher.setCaseSensitive( ! isCaseInsensitive );
  for ( TQStringList::iterator it = patternList.begin(); it != patternList.end() ; ++it )
  {
    rxMatcher.setPattern( *it );
    if ( rxMatcher.exactMatch( filename ) ) {
      return( TRUE ) ;
    }
  }
  return FALSE;
}

TQString TDEStringMatcher::getCriteria()
{
  return Criteria;
}

void TDEStringMatcher::generateCriteria()
{
  TQString newCriteria = patternList.join( TQString ( patternsDivider ) ) ;
  TQChar leadingChar;
  if ( isRegex )
    leadingChar = 'r';
  else
    leadingChar = 'w' ;
  if ( isCaseInsensitive )
    leadingChar = leadingChar.upper();
  newCriteria.prepend( leadingChar );
  Criteria = newCriteria;
}

bool TDEStringMatcher::setCriteria( TQString newCriteria )
{
  if ( newCriteria.length() == 0 ) {
    return TRUE; // We always succeed when asked to do nothing!
  }

  TQChar optionsChar = newCriteria[0];
  switch( optionsChar ) {
    case 'w': isRegex = FALSE; isCaseInsensitive = FALSE; break;
    case 'W': isRegex = FALSE; isCaseInsensitive =  TRUE; break;
    case 'r': isRegex =  TRUE; isCaseInsensitive = FALSE; break;
    case 'R': isRegex =  TRUE; isCaseInsensitive =  TRUE; break;
    default :
    kdWarning(7077)
      << "TDEStringMatcher::setCriteria: invalid leading character in criteria string: '"
      << newCriteria << "'" << endl;
    return FALSE;
  };

  patternList.clear();
  patternList = TQStringList::split( patternsDivider, newCriteria.mid(1), TRUE );
  Criteria = newCriteria;
  return TRUE;
}

int TDEStringMatcher::getMatchPropertiesFromUser( TQString dialogTitle )
{
  Customize_TDEStringMatcher_Dialog defineHiddenUI =
  Customize_TDEStringMatcher_Dialog( patternList, isRegex, isCaseInsensitive, dialogTitle );

  defineHiddenUI.exec();
  if ( defineHiddenUI.result() > CriteriaUnchanged ) {
    patternList       = defineHiddenUI.getPatternList();
    isRegex           = defineHiddenUI.isPatternRegex();
    isCaseInsensitive = defineHiddenUI.isPatternCaseInsensitive();
    generateCriteria();
    kdDebug(7077)
      << "TDEStringMatcher::getMatchPropertiesFromUser: updated criteria string: '"
      << Criteria << "'" << endl;
  }
  return defineHiddenUI.result();
}

void TDEStringMatcher::setPatternsDivider( TQChar newPatternsDivider )
{
  patternsDivider = newPatternsDivider;
}



TDEHiddenFileMatcher::TDEHiddenFileMatcher()
{
  setPatternsDivider( patternsDivider4fileNames );
  setCriteria( getGlobalCriteria() );
}

TDEHiddenFileMatcher::~TDEHiddenFileMatcher()
{
}

TQString TDEHiddenFileMatcher::getGlobalCriteria()
{
  TDEConfig *config = TDEGlobal::config();
  TDEConfigGroupSaver saver( config, globalSettingsGroup );
  TQString defaultCriteria = config->readEntry( globalSettingsKey, criteriaMatchDotfiles );
  return defaultCriteria;
}

void TDEHiddenFileMatcher::setGlobalCriteria()
{
  TDEConfig *config = TDEGlobal::config();
  TDEConfigGroupSaver saver( config, globalSettingsGroup );
  config->writeEntry( globalSettingsKey, Criteria );
}