#include "lirc.h"
#include <qsocketnotifier.h>
#include <fcntl.h>
#include "lirc_client.h"
#include <stdlib.h>
#include <unistd.h>

/**
 * Constructor. Connects to the LIRCd socket
 */
Lirc::Lirc(Config* conf):QObject(){
  config = conf;

  sockfd = lirc_init("irfc",1);
  if(sockfd != -1){
    qDebug("LIRCD socket opened with descriptor %d",sockfd);
    //make non blocking
    fcntl(sockfd,F_SETFL,O_NONBLOCK);

    //attach notifier to socket
    sn = new QSocketNotifier( sockfd, QSocketNotifier::Read);
    QObject::connect( sn, SIGNAL(activated(int)),
                      this, SLOT(dataReceived()) );
  }else{
    qWarning("Opening lircd socket failed - no remote control support");
  }
};

/**
 * Deconstructor. Deinitializes the lirc library.
 */
Lirc::~Lirc(){
  lirc_deinit();
  ::close(sockfd);
  qDebug("lirc destructed");
}

/**
 * SLOT. Gets called on new data at the socket. Reads all pending data with
 * lirc_nextcode(). Calls checkButton().
 */
void Lirc::dataReceived(){
  char *code;
  while(lirc_nextcode(&code)==0){
    if(code==NULL) return;
    checkButton(QString(code));
    free(code);
  }
}

/**
 * Emits the apropriate signals for pressed LIRC buttons
 */
void Lirc::checkButton(QString code){
  int rpt = code.section(' ',1,1).toInt(NULL,16);
  QString btn = code.section(' ',2,2);
  QString act = config->getLIRCbutton(btn);
/*  if( rpt % config->getOption("irrepeat").toInt() != 0){
		//skip repeat
    return;
  }
*/
  qDebug("repeat %d",rpt);

  if(rpt > 0 && rpt <= config->getOption("irrepeat").toInt() ){
    //skip first repeat(s) to avoid jumps on first touch
    return;
  }
  if(act.isEmpty()){
    qDebug("LIRC button [%s]: no action defined",btn.latin1());
    return;
  }
  qDebug("LIRC button [%s]: %s",btn.latin1(),act.latin1());
  if(act == "down"){
    emit move(1);
  }else if(act == "up"){
    emit move(-1);
  }else if(act == "fastup"){
    emit move(-5);
  }else if(act == "fastdown"){
    emit move(5);
  }else if(act == "back"){
    emit back();
  }else if(act == "select"){
    emit select();
  }
}