package fucoin.actions.search;

import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;

import akka.actor.ActorRef;
import akka.actor.UntypedActorContext;
import fucoin.Wallet;

//Used to return a Wallet reference (akka-style string which can 
// be transformed to an ActorRef)
public class ActionSearchWalletReference extends Search{

	public final String name;
    public final List<ActorRef> ttl = new ArrayList<ActorRef>(); 
    public ActionSearchWalletReference(String name) {
        this.name = name;
    }
	
	@Override
	protected void onAction(ActorRef sender, ActorRef self,
			UntypedActorContext context, Wallet wallet) {
		log(wallet.getKnownNeighbors()+"contains "+name+"?");
		ttl.add(self);
		ActionSearchWalletReferenceAnswer answer = null;
		if(this.name.equals(wallet.getName())){
			answer = new ActionSearchWalletReferenceAnswer(name,wallet.getAddress(),ttl);
		}else if(wallet.backedUpNeighbors.containsKey(name)){
			answer = new ActionSearchWalletReferenceAnswer(name,wallet.backedUpNeighbors.get(name).getAddress(),ttl);
		} else if(wallet.getKnownNeighbors().containsKey(name)){
			answer = new ActionSearchWalletReferenceAnswer(name,wallet.getAddress(wallet.getKnownNeighbors().get(name)),ttl);
		} else if (ttl.size()<5){
			for(ActorRef neighbor : wallet.getKnownNeighbors().values()){
				if(!ttl.contains(neighbor)){			
					neighbor.tell(this, self);
				}
			}
		}
		//User unknown by this Wallet
		if(answer!=null&&ttl.size()>0){
			ttl.get(ttl.size()-1).tell(answer, self);
		}
	}

}