package mug13;


public class Eat
	implements Verb
{
	//feilds
	WorldBuilder worldOps;
	//constructor
	public Eat(WorldBuilder _worldOps)
	{
		this.worldOps = _worldOps;
	}
	//methods
	
	//use as (insert verb here).perform(Person, Object)
	//needs to return an array of length three with two strings to broadcast, first to the subject and second to everyone else, and the third value a string "false" for a verb that changes nothing (broadcast only) and "true" for a verb that changes something.
	public String[] execute(String subject, String object)
	{
		//creating necesary variables
		String[] action = {"default", "default"};
		
		try
		{
			Person actor = worldOps.mapPerson(subject);
			Thing food = worldOps.mapThing(object);
			int perform = food.checkVerb("eat").intValue();
			
			if(perform == -1)
			{
				action[0] = "This action cannot be taken on this object";
				action[1] = null;
			}
			
			else if (perform == 0)
			{
				action[0] = "You bite the " + food.getName() + ".";
				action[1] = actor.getName() + " bites the " + food.getName() + ".";
				return action;
			}
			else if (perform == 1)
			{
				//changes to person here
				
				//changes to object
				double parts = food.getNumberAttribute("parts");
				if (parts == 1.0)
				{
					action[0] = "You finish the " + food.getName() + ".";
					action[1] = actor.getName() + " finishes the " + food.getName() + ".";
					
					//remove object from the world
					worldOps.removeThing(food.getName());
					
					//remove from the place
					try
					{
						worldOps.mapPlace(food.getWordAttribute("location")).removeThing(food.getName());
					}
					catch(Exception e)
					{
						action[0] = "this is in a place that does not exist";
						action[1] = null;
						return action;
					}
				}
				else 
				{
					food.changeNumberAttribute("parts", new Double(parts - 1.0));
					action[0] = "You eat from the the " + food.getName() + ".";
					action[1] =  actor.getName() + " eats from the " + food.getName() + ".";
				}
				
				//return the stuff
				
			}
			return action;
		
		}
		catch (Exception e)
		{
			action[0] = "You can only eat things.";
			action[1] = null;
			return action;
		}
	}
}
/*
//changes to the object
			double parts = food.getNumberAttribute("parts");
			if (parts == 1)
			{
				action[0] = "You finish the " + object.getName() + ".";
				action[1] = actor.getName() + " finishes the " + food.getName() + ".";
				
				//remove object from the world
				realworld.remove(object);
				food.getWordAttribute("location").removeThing(object.getName());
			}
			else 
			{
				food.changeNumberAttribute("parts", parts - 1);
				
			}
*/