/*
 * #%L
 * BroadleafCommerce Common Libraries
 * %%
 * Copyright (C) 2009 - 2013 Broadleaf Commerce
 * %%
 * 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.
 * #L%
 */
package org.broadleafcommerce.common.currency.dao;

import org.broadleafcommerce.common.currency.domain.BroadleafCurrency;
import org.broadleafcommerce.common.persistence.EntityConfiguration;
import org.springframework.stereotype.Repository;

import java.util.List;

import javax.annotation.Resource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

/**
 * Author: jerryocanas
 * Date: 9/6/12
 */

@Repository("blCurrencyDao")
public class BroadleafCurrencyDaoImpl implements BroadleafCurrencyDao {

    @PersistenceContext(unitName = "blPU")
    protected EntityManager em;

    @Resource(name="blEntityConfiguration")
    protected EntityConfiguration entityConfiguration;

    @Override
    public BroadleafCurrency findDefaultBroadleafCurrency() {
        Query query = em.createNamedQuery("BC_READ_DEFAULT_CURRENCY");
        query.setHint(org.hibernate.ejb.QueryHints.HINT_CACHEABLE, true);
        List<BroadleafCurrency> currencyList = query.getResultList();
        if (currencyList.size() >= 1) {
            return currencyList.get(0);
        }
        return null;
    }

    /**
     * @return The locale for the passed in code
     */
    @Override
    public BroadleafCurrency findCurrencyByCode(String currencyCode) {
        Query query = em.createNamedQuery("BC_READ_CURRENCY_BY_CODE");
        query.setParameter("currencyCode", currencyCode);
        query.setHint(org.hibernate.ejb.QueryHints.HINT_CACHEABLE, true);
        List<BroadleafCurrency> currencyList = query.getResultList();
        if (currencyList.size() >= 1) {
            return currencyList.get(0);
        }
        return null;
    }

    @Override
    public List<BroadleafCurrency> getAllCurrencies() {
        Query query = em.createNamedQuery("BC_READ_ALL_CURRENCIES");
        query.setHint(org.hibernate.ejb.QueryHints.HINT_CACHEABLE, true);
        return query.getResultList();
    }

    @Override
    public BroadleafCurrency save(BroadleafCurrency currency) {
        return em.merge(currency);
    }
    
    @Override
    public BroadleafCurrency create() {
        return entityConfiguration.createEntityInstance(BroadleafCurrency.class.getName(), BroadleafCurrency.class);
    }    
}