/*
 * Copyright 2017  Research Studios Austria Forschungsges.m.b.H.
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 */

package won.bot.framework.eventbot.action.impl.factory;

import won.bot.framework.bot.context.FactoryBotContextWrapper;
import won.bot.framework.eventbot.EventListenerContext;
import won.bot.framework.eventbot.action.BaseEventBotAction;
import won.bot.framework.eventbot.bus.EventBus;
import won.bot.framework.eventbot.event.Event;
import won.bot.framework.eventbot.event.impl.factory.FactoryHintEvent;
import won.bot.framework.eventbot.event.impl.wonmessage.HintFromMatcherEvent;
import won.bot.framework.eventbot.listener.EventListener;
import won.protocol.model.Match;

import java.net.URI;

/**
 * Checks if the received hint is for a factoryURI
 */
public class FactoryHintCheckAction extends BaseEventBotAction {
    public FactoryHintCheckAction(EventListenerContext eventListenerContext) {
        super(eventListenerContext);
    }

    @Override
    protected void doRun(Event event, EventListener executingListener) throws Exception {
        if(!(event instanceof HintFromMatcherEvent) || !(getEventListenerContext().getBotContextWrapper() instanceof FactoryBotContextWrapper)) {
            logger.error("FactoryHintCheckAction can only handle HintFromMatcherEvent with FactoryBotContextWrapper");
            return;
        }
        FactoryBotContextWrapper botContextWrapper = (FactoryBotContextWrapper) getEventListenerContext().getBotContextWrapper();
        Match match = ((HintFromMatcherEvent) event).getMatch();

        URI ownUri = match.getFromNeed();
        URI requesterUri = match.getToNeed();

        if(botContextWrapper.isFactoryNeed(ownUri)) {
            logger.debug("FactoryHint for factoryURI: " + ownUri + " from the requesterUri: "+requesterUri);
            EventBus bus = getEventListenerContext().getEventBus();
            bus.publish(new FactoryHintEvent(requesterUri, ownUri));
        }else{
            logger.warn("NON FactoryHint for URI: " + ownUri + " from the requesterUri: "+requesterUri+" ignore the hint");
        }
    }
}