package com.jbidwatcher.auction;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.jbidwatcher.util.db.ActiveRecord;
import com.jbidwatcher.util.queue.MQFactory;
import com.jbidwatcher.util.queue.MessageQueue;

/**
 * Created by IntelliJ IDEA.
 * User: mrs
 * Date: 12/17/11
 * Time: 12:25 AM
 * To change this template use File | Settings | File Templates.
 */
@Singleton
public class MultiSnipeManager {
  private final EntryCorral entryCorral;

  @Inject
  private MultiSnipeManager(EntryCorral corral) {
    entryCorral = corral;

    MQFactory.getConcrete("won").addListener(new MessageQueue.Listener() {
      /**
       * Message queue 'won', receives auction identifiers on completion when the
       * current user is the high bidder.
       *
       * @param deQ - A string containing the auction identifier that was won.
       */
      public void messageAction(Object deQ) {
        MultiSnipe ms = getForAuctionIdentifier((String) deQ);
        if (ms != null) {
          ms.setWonAuction(/*(String)deQ*/);
        }
      }
    });

    MQFactory.getConcrete("notwon").addListener(new MessageQueue.Listener() {
      /**
       * Receives auction identifiers on completion when the current user is
       * not the high bidder.
       *
       * @param deQ - A string containing the auction identifier that ended.
       */
      public void messageAction(Object deQ) {
        MultiSnipe ms = getForAuctionIdentifier((String) deQ);
        if (ms != null) {
          ms.remove((String)deQ);
        }
      }
    });
  }

  public MultiSnipe addAuctionToMultisnipe(String identifier, MultiSnipe ms) {
    MultiSnipe old = getForAuctionIdentifier(identifier);
    if(old != null) {
      //  Shortcut if they're actually the same.
      if (old.equals(ms)) return null;
      old.remove(identifier);
    }

    ms.add(identifier);

    return old;
  }

  public MultiSnipe getForAuctionIdentifier(String identifier) {
    ActiveRecord hash = entryCorral.takeForRead(identifier);
    Integer multisnipeId = hash.getInteger("multisnipe_id");
    return multisnipeId == null ? null : MultiSnipe.find(multisnipeId);
  }
}