import java.io.*;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import java.text.SimpleDateFormat;


public class DureeConsultPage {

  public static void main(String[] args) {

	String fileName="OrdSessionTpsDeclenchement.txt",line;
    	
	BufferedReader reader = null;

	SimpleDateFormat sdf = new SimpleDateFormat("hh:mm:ss");

	try {

	    File file = new File(fileName);
	
        reader = new BufferedReader(new FileReader(file));
	 
		while ((line = reader.readLine()) != null) {

			String []tmp = line.split(";");
			
			String date=tmp[2];

			String userCourant=tmp[0];
	
			Date heureFinSession=new Date(),heureDebSession=new Date();
	
			try{
			
				heureDebSession=sdf.parse(tmp[3]);
		
				}catch(Exception exc){}

	
			String page=tmp[1];
	
			long dureeConsultPage=0;
			
			String Line;

			
			while((Line=reader.readLine())!=null && userCourant.compareTo(Line.split(";")[0])==0 && date.compareTo(Line.split(";")[2])==0){
		
	
			try{
			
				heureFinSession=sdf.parse(Line.split(";")[3]);
		
				}catch(Exception exc){}
		
	
			    	//dureeConsulPage=Math.abs(heureFinSession.getTime()-heureDebSession.getTime())/(1000*60);
				
				GregorianCalendar cal = new GregorianCalendar();
				
				cal.setTime(heureFinSession);
				int Hfin = cal.get(Calendar.HOUR);
				int MinFin = cal.get(Calendar.MINUTE); 
				cal.setTime(heureDebSession);
				int HDebut = cal.get(Calendar.HOUR);
				int MinDebut = cal.get(Calendar.MINUTE);
				
				 
				
				// conversion heures minutes => minutes
				int mTotal1 = Hfin*60+MinFin;
				int mTotal2 = HDebut*60+MinDebut;
				 
				// calcul de l'écart en minutes

				dureeConsultPage = mTotal1-mTotal2;
				 
				
				
			
			}

	
			try{
			
				String chemin="DureeConsulPage.txt"; //c ici
		
				BufferedWriter bw=null;
			
				if(!(new File(chemin)).exists())
				
					bw=new BufferedWriter(new FileWriter(chemin));				

				else{
				
						bw=new BufferedWriter(new FileWriter(chemin,true));
				
						bw.write(date+";"+userCourant+";"+page+";"+dureeConsultPage);
		
						bw.write("\n");
	
					}
			
				bw.close();
		
			}catch(IOException exc){}
	
		}
	
	} catch (IOException e) {
	 
		e.printStackTrace();

	} finally {
		
		try {
	    	
			reader.close();
	
		} catch (IOException e) {
	 
			e.printStackTrace();
	
		}
	
	}

  }

}