//randomwalker.bsh
//include at a Mobile to make it walk randomly from room to room, with given (Room) limits.

Room[] limits;

void setLimits ( Room[] limites )
{
	super.limits = limites;
}

boolean isLimit ( Room r )
{
	if ( limits == null ) return false;
	for ( int i = 0 ; i < limits.length ; i++ )
	{
		if ( limits[i] == r ) return true;
	}
	return false;
}

void makeMove ( )
{
	
	System.out.println("Getting room and suchlike.");
	
	Room r = self.getRoom();
	
	if ( r == null ) return;
	
	Path[] p = r.getValidExits();
	
	int nValidasParaNosotros = 0;
	
	System.out.println("Initializiing everything.\n");
	
	for ( int i = 0 ; i < p.length ; i++ )
	{
		if ( !isLimit ( world.getRoom(p[i].getDestinationID()) ) && !(p[i].isClosed()) )
			nValidasParaNosotros++;
	}
	
	System.out.println("There are " + nValidasParaNosotros + " valid ones.");
	
	if ( nValidasParaNosotros == 0 ) 
	{
		self.setNewState ( Mobile.IDLE , 1 ); //don't do anything
		return;
	}
	
	Random rand = r.getRandom();
	
	int nAleat = Math.abs(rand.nextInt()) % nValidasParaNosotros;
	
	int jarl = 0;
	Path aTomar;
	
	System.out.println("aTomar " + aTomar);
	
	for ( int i = 0 ; i < p.length ; i++ )
	{
		if ( !isLimit ( world.getRoom(p[i].getDestinationID()) ) && !(p[i].isClosed()) )
		{
			if ( jarl == nAleat )
			{
				aTomar = p[i];
				break;
			}
			jarl++;
		}
	}
	
	self.go ( aTomar ); //this includes setting the state
	
	return;

}



void randomwalker_update ( PropertyEntry pe , World mundo )
{


	
	if ( pe.getName().equalsIgnoreCase("state") && ( pe.getValueAsInteger() == (Mobile.IDLE) ) )
	{
		
		System.out.println("Gonna see if randwalker has enemies.");
		if ( self.hasEnemies() )
		{
			System.out.println("Randwalker has enemies.");
			MobileList enemigos = self.getEnemies();
			for ( int i = 0 ; i < enemigos.size() ; i++ )
			{
				Mobile m = enemigos.elementAt(i);	
				System.out.println("Current mobile to search for is " + m);
				System.out.println("Mobiles in room are " + self.getRoom().getMobiles());
				if ( self.getRoom().hasMobile ( m ) ) //si el enemigo esta alcanzable
				{
					System.out.println("Found the enemy in our room.");
					return; //let other updates act, don't move, we have enemies, that's important!
				}				
			}
			
		}
		else
		{
			System.out.println("No. Doesn't have any.");
		}
		
		System.out.println("Calling make move.");
		makeMove();
		System.out.println("Called make move.");
		end();
	
	}
	

	
}

void update ( PropertyEntry pe , World mundo )
{

	System.out.println("RANDW UPD");

	randomwalker_update ( pe , mundo );
}