/*
 * File    : SessionData.java
 * Created : 05-feb-2003 13:09
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details (see the LICENSE file).
 */

package edu.xtec.jclic.report;

import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 * @version 13.09.17
 */
public class SessionData extends Object implements java.io.Serializable{
    
    public String id;
    public Date date;
    public String project;
    public int numActs;
    public int actsSolved;
    public int totalPrec;
    public int totalTime;
    public int sessionCount;
    public Set<String> users;
    public List<ActivityData> actData;
    
    /** Creates a new instance of SessionData */
    public SessionData(String id, String usr, String project, Date date, int numActs, int actsSolved, int totalPrec, int totalTime){
        this.id= id!=null ? id.trim() : null;
        users=new HashSet<String>(1);
        users.add(usr!=null ? usr.trim() : null);
        this.project = project!=null ? project.trim() : null;
        this.date = date;
        this.numActs = numActs;
        this.actsSolved = actsSolved;
        this.totalPrec = totalPrec;
        this.totalTime = Math.max(0, totalTime);
        sessionCount=1;
    }
    
    public void acumula(SessionData d){
        actsSolved+=d.actsSolved;
        totalPrec+=d.totalPrec;
        numActs+=d.numActs;
        totalTime+=d.totalTime;
        users.addAll(d.users);
        if(project!=null && !project.equals(d.project))
            project="";
        id="";
        sessionCount+=d.sessionCount;
        if(actData==null)
            actData=d.actData;
        else if(d.actData!=null)
            actData.addAll(d.actData);
            
    }
    
    public boolean sameDate(SessionData d){
        return date!=null && d!=null && date.equals(d.date);
    }
    
    public int percentSolved(){
        return numActs>0 ? (100*actsSolved)/numActs : 0;
    }
    
    public int percentPrec(){
        return numActs>0 ? totalPrec/numActs : 0;
    }
    
    public String getUsr(){
        String result="";
        if(users.size()>1)
            result="*";
        else{
            Iterator it=users.iterator();
            if(it.hasNext())
                result=(String)it.next();
        }
        return result;
    }
   
}