class Item {

  int count, dayMode;
  ItemListing listing;
  float avgDayOfWeek; // between 1 and 7 for mon-sun
  float avgCheckOutDur;

  int [] dayDistribution = new int[8];

  Item(String s) {
    listing = (ItemListing)itemTable.get(s); 
    count = 0;
    avgDayOfWeek = 0;
    avgCheckOutDur = 0;
  }

  void count(Transaction t) {
    count++;
    //int i = Integer.parseInt(a);
    String[] dateO = split(t.ckodate, '-');  //year-month-day 
    String[] timeO = split(t.ckotime, ':');   //hours-mins-seconds
    String[] dateI = split(t.ckidate, '-');  //year-month-day 
    String[] timeI = split(t.ckitime, ':');  //hours-mins-seconds
    int checkOutTimeH = Integer.parseInt(timeO[0]);
    int checkOutTimeM = Integer.parseInt(timeO[1]); //assuming all seconds are0
    int checkOutDay = Integer.parseInt(dateO[2]);
    int checkOutMonth = Integer.parseInt(dateO[1]);
    int checkOutYear = Integer.parseInt(dateO[0]);
    int dayOfWeek;

    Calendar cal = Calendar.getInstance();
    SimpleDateFormat sdf = new SimpleDateFormat("y-M-d");
    try {
      Date date = sdf.parse(t.ckodate); 
      cal.setTime(date);
      dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
      if (dayOfWeek == 1) //we want to shift to represent a business week
        dayOfWeek = 7;
      else 
        dayOfWeek--;
    } 
    catch (Exception e) {
      //do anything you want to handle the exception
      println("Unable to parse date stamp");
      dayOfWeek = -1;
    } 

    int checkInTimeH = Integer.parseInt(timeI[0]);
    int checkInTimeM = Integer.parseInt(timeI[1]); //assuming all seconds are0
    int checkInDay = Integer.parseInt(dateI[2]);
    int checkInMonth = Integer.parseInt(dateI[1]);
    int checkInYear = Integer.parseInt(dateI[0]);

    //    println("out:\t" + "\t" + checkOutYear + "\t" +  checkOutMonth + "\t" + checkOutDay + "\t" + checkOutTime); 
    //    println("in:\t" + "\t" + checkInYear + "\t" + checkInMonth + "\t" + checkInDay + "\t" + checkInTime);
    long dur_ms;
    SimpleDateFormat sdf_l = new SimpleDateFormat("y-M-d-H-m");  
    try {
      Date dateOut = sdf_l.parse(t.ckodate + "-" + checkOutTimeH + "-" + checkOutTimeM ); 
      Date dateIn = sdf_l.parse(t.ckidate + "-" + checkInTimeH + "-" + checkInTimeM );
      dur_ms = dateIn.getTime() - dateOut.getTime();
    } 

    catch (Exception e) {
      //do anything you want to handle the exce ption
      println("Unable to parse date stamp2");
      dur_ms = 1;
    } 
    float durDays = ((float)dur_ms/ (1000*60*60*24));
    if (!(dur_ms/10000 > 100000000)){
      avgCheckOutDur = (avgCheckOutDur*(count-1) + durDays)/count;

      if (dayOfWeek != -1)
        dayDistribution[dayOfWeek]++;
      else
        count--;

      dayMode = getMode();
      avgDayOfWeek = (avgDayOfWeek*(count-1) + (float)dayOfWeek)/count;

      //  println(listing.getLabel() + ": " + (float)avgCheckOutDur + "\t" + avgDayOfWeek) ;
    }
    else 
      count--;
  }

  int getMode(){
    int gday = 7;
    for (int i = 1; i<=6; i++)
      if(dayDistribution[i] > dayDistribution[gday])
        gday = i;
    return gday;
  }


}