package org.musicontroller.core;
   
   import java.util.Date;
   
   import org.musicontroller.security.IUser;
   
   public class Event implements Comparable<Event> {
   	private long id;
   	private Song song;
  	private int eventkind;
  	private IUser user;
  	private Date moment;
  	private char submitted;
  	
  	public static final int unknown=-1;
  	public static final int requested=1;
  	public static final int played=2;
  	public static final int skipped=3;
  	public static final int downloaded=4;
  	
  	public Event() {
  		id=-1L;
  		song=null;
  		eventkind=unknown;
  		user=null;
  		moment=new Date();
  		submitted='N';
  	}
  	
  	public int getEventkind() {
  		return eventkind;
  	}
  	
  	public void setEventkind(int eventkind) {
  		this.eventkind = eventkind;
  	}
  	
  	/**
  	 * @param kind The eventkind (Usually 1, 2, 3 or 4).
  	 * @return A human-readable description of this eventkind.
  	 */
  	public static String getDescription(int kind) {
  		switch (kind) {
  			case requested : return "Requested";
  			case played : return "Played";
  			case skipped : return "Skipped";
  			case downloaded : return "Downloaded";
  			default : return "Unknown";
  		}
  	}
  	
  	/**
  	 * @return A human-readable description of the kind of this event.
  	 */
  	public String getDescription() {
  		return getDescription(eventkind);
  	}
  	
  	public long getId() {
  		return id;
  	}
  	
  	public void setId(long id) {
  		this.id = id;
  	}
  	
  	public Date getMoment() {
  		return moment;
  	}
  	
  	public void setMoment(Date moment) {
  		this.moment = moment;
  	}
  	
  	public Song getSong() {
  		return song;
  	}
  	
  	public void setSong(Song song) {
  		this.song = song;
  	}
  	
  	public IUser getUser() {
  		return user;
  	}
  	
  	public void setUser(IUser user) {
  		this.user = user;
  	}
  	
  	public char getSubmitted() {
  		return submitted;
  	}
  
  	public void setSubmitted(char submitted) {
  		this.submitted = submitted;
  	}
  
  	public int compareTo(Event ev) {
 		if(this.getMoment()==null) {
 			if(ev.getMoment()==null) {
 				return 0;
 			} else {
 				return -1;
 			}
 		}
 		if(ev.getMoment()==null) {
 			if(getMoment()==null) {
 				return 0;
 			} else {
 				return 1;
 			}
 		}
 		if (this.getMoment().before(ev.getMoment())) {
 			return -1;
 		} else {
 			if (this.getMoment().after(ev.getMoment())) {
 				return 1;
 			} else {
 				return 0;
 			}
 		}
 	}
 	
 	/*
 	 * (non-Javadoc)
 	 * @see java.lang.Object#equals(java.lang.Object)
 	 */
 	@Override
 	public boolean equals(Object o) {
 		if (o==null) return false;
 		if (o instanceof Event) {
 			Event other = (Event) o;
 			if ((moment==null && other.moment==null) || (moment!=null && moment.equals(other.moment))) {
 				if ((song==null && other.song==null) || (song!=null && song.equals(other.song))) {
 					return id==other.id;
 				}
 			}
 		}
 		return false;
 	}
 	
 	/*
 	 * (non-Javadoc)
 	 * @see java.lang.Object#hashCode()
 	 */
 	@Override
 	public int hashCode() {
 		return Long.valueOf(id).hashCode();
 	}
 }