#include "config.h"
#include <qfile.h>
#include <qstring.h>
#include <qmap.h>
#include <qapp.h>
#include "defines.h"

/**
 * Constructor. Calls load().
 */
Config::Config(QString conf):QObject(){
  configfile = conf;
  load();
};

/**
 * Parses the configfile into the internal lookuptables. Because the configfile
 * is essential it quits the whole application if this failes.
 */
void Config::load(){
  QFile file( configfile );
  if ( !file.open( IO_ReadOnly ) ){
    qFatal("Reading configfile %s failed - try giving it as parameter",configfile.ascii());
    qApp->exit(-1);
  }

  QTextStream t(&file);
  QString s;
  QString key;
  QString val;
  QString section;
  
  while ( !t.eof() ) {
    s = t.readLine();              //read line
    s = s.section('#',0,0);          //strip comment
    s = s.stripWhiteSpace();      //strip whitespaces
    if(s.isEmpty()) continue;      //strip empty lines
    key = s.section('=',0,0);
    val = s.section('=',1,1);
    key = key.stripWhiteSpace();
    val = val.stripWhiteSpace();
    if(key.startsWith("[") and key.endsWith("]")){
      section = key.mid(1,key.length()-2);
//       qDebug("Config section %s",section.latin1());
    }else{
//       qDebug("Config option %s , %s",key.latin1(),val.latin1());
      if(section == "programs"){
        programs[key]=val;
      }else if(section == "buttons"){
        buttons[key]=val;
      }else{
        general[key]=val;
      }
    }
  }
  file.close();
}

/**
 * Returns the action defined for the given LIRC button or "" if no
 * action is defined
 */
QString Config::getLIRCbutton(QString btn){
  lut::Iterator it = buttons.find(btn);
  if(it == buttons.end()){
    return "";
  }else{
    return it.data();
  }
}

/**
 * Returns the value of the given global option or "" if no value
 * was found
 */
QString Config::getOption(QString opt){
  lut::Iterator it = general.find(opt);
  if(it == general.end()){
    return "";
  }else{
    return it.data();
  }
}

/**
 * Returns the configured program for the given file or "" if none
 * was specified
 */
QString Config::getProgram(QString file){
  lut::Iterator it;
  for ( it = programs.begin(); it != programs.end(); ++it ) {
    if(file.endsWith(it.key())){
      return it.data();
    }
  }
  return "";
}

/**
 * Returns true if the given path is a defined mountpoint
 */
bool Config::isMountPoint(QString dir){
  lut::Iterator it;
  for (int i =1; i <= MOUNTPOINTS; i++){
    it = general.find(QString("mount%1").arg(i));
    if(it == general.end()){
      continue;
    }else{
      if(it.data() == dir) return true;
    }
  }
  return false;
}