/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 * 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.
 */

import org.ofbiz.base.util.UtilMisc;
import org.ofbiz.order.shoppingcart.product.ProductPromoWorker;

promoShowLimit = 3;

//Get Promo Text Data
productPromosAll = ProductPromoWorker.getStoreProductPromos(delegator, dispatcher, request);
//Make sure that at least one promo has non-empty promoText
showPromoText = false;
promoToShow = 0;
productPromosAllShowable = new ArrayList(productPromosAll.size());
productPromosAll.each { productPromo ->
    promoText = productPromo.promoText;

    if (promoText && !"N".equals(productPromo.showToCustomer)) {
        showPromoText = true;
        promoToShow++;
        productPromosAllShowable.add(productPromo);
    }
}

// now slim it down to promoShowLimit
productPromosRandomTemp = new ArrayList(productPromosAllShowable);
productPromos = null;
if (productPromosRandomTemp.size() > promoShowLimit) {
    productPromos = new ArrayList(promoShowLimit);
    for (i = 0; i < promoShowLimit; i++) {
        randomIndex = Math.round(java.lang.Math.random() * (productPromosRandomTemp.size() - 1)) as int;
        productPromos.add(productPromosRandomTemp.remove(randomIndex));
    }
} else {
    productPromos = productPromosRandomTemp;
}

context.promoShowLimit = promoShowLimit;
context.productPromosAllShowable = productPromosAllShowable;
context.productPromos = productPromos;
context.showPromoText = showPromoText;
context.promoToShow = promoToShow;