/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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 org.apereo.portal.events.aggr.concuser;

import org.apereo.portal.events.PortalEvent;
import org.apereo.portal.events.aggr.AggregationInterval;
import org.apereo.portal.events.aggr.AggregationIntervalInfo;
import org.apereo.portal.events.aggr.BaseAggregationPrivateDao;
import org.apereo.portal.events.aggr.BaseIntervalAwarePortalEventAggregator;
import org.apereo.portal.events.aggr.DateDimension;
import org.apereo.portal.events.aggr.EventAggregationContext;
import org.apereo.portal.events.aggr.TimeDimension;
import org.apereo.portal.events.aggr.groups.AggregatedGroupMapping;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Event aggregator that uses {@link ConcurrentUserAggregationPrivateDao} to aggregate concurrent
 * user data
 *
 */
public class ConcurrentUserAggregator
        extends BaseIntervalAwarePortalEventAggregator<
                PortalEvent, ConcurrentUserAggregationImpl, ConcurrentUserAggregationKey> {
    private ConcurrentUserAggregationPrivateDao concurrentUserAggregationDao;

    @Autowired
    public void setConcurrentUserAggregationDao(
            ConcurrentUserAggregationPrivateDao concurrentUserAggregationDao) {
        this.concurrentUserAggregationDao = concurrentUserAggregationDao;
    }

    @Override
    protected BaseAggregationPrivateDao<ConcurrentUserAggregationImpl, ConcurrentUserAggregationKey>
            getAggregationDao() {
        return this.concurrentUserAggregationDao;
    }

    @Override
    public boolean supports(Class<? extends PortalEvent> type) {
        return true;
    }

    @Override
    protected void updateAggregation(
            PortalEvent e,
            EventAggregationContext eventAggregationContext,
            AggregationIntervalInfo intervalInfo,
            ConcurrentUserAggregationImpl aggregation) {
        final String eventSessionId = e.getEventSessionId();
        final int duration = intervalInfo.getDurationTo(e.getTimestampAsDate());
        aggregation.setDuration(duration);
        aggregation.countSession(eventSessionId);
    }

    @Override
    protected ConcurrentUserAggregationKey createAggregationKey(
            PortalEvent e,
            EventAggregationContext eventAggregationContext,
            AggregationIntervalInfo intervalInfo,
            AggregatedGroupMapping aggregatedGroup) {
        final TimeDimension timeDimension = intervalInfo.getTimeDimension();
        final DateDimension dateDimension = intervalInfo.getDateDimension();
        final AggregationInterval aggregationInterval = intervalInfo.getAggregationInterval();
        return new ConcurrentUserAggregationKeyImpl(
                dateDimension, timeDimension, aggregationInterval, aggregatedGroup);
    }
}