/*
 * Weeks - represents a list of 'Week' sorted by time
 */
class Weeks{
  
  int maxPlays;            // The maximum plays for any week
  int maxArtists;          // The maximum artists for any week
  long firstWeek;          // The timestamp of the first week
  long lastWeek;           // The timestamp of the latest week
  Vector timeline;         // List of all weeks, sorted by time
  ListeningHistory parent; // The history object that contains this
  
  Weeks(ListeningHistory parent){
    this.parent = parent;
    maxPlays = 0;
    maxArtists = 0;
    firstWeek = 0;
    lastWeek = 0;
    
    timeline = new Vector();
  }
  
  int getMaxPlays(){
    return maxPlays;
  }
  
  int getMaxArtists(){
    return maxArtists;
  }
  
  int getCount(){
    return timeline.size();
  }
  
  Week getWeek(int id){
    return (Week) timeline.get(id);
  }
  
  Week addWeek(long timestamp){
    int id = this.getCount();
    
    Week w = new Week(id, timestamp, this);
    timeline.add(w);
    
    lastWeek = timestamp;
    if(id == 0)
      firstWeek = timestamp;
    
    return w;
  }
  
}