/*
 * 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.entity.*;
import org.ofbiz.base.util.*;
import org.ofbiz.order.order.*;
import org.ofbiz.entity.util.EntityUtil;

facilityId = parameters.get("facilityId");
if (UtilValidate.isNotEmpty(facilityId)) {
    facility = delegator.findByPrimaryKey("Facility", UtilMisc.toMap("facilityId", facilityId));
    context.put("facilityId", facilityId);
    context.put("facility", facility);
}

orderId = parameters.get("orderId");
shipGroupSeqId = parameters.get("shipGroupSeqId");
shipmentId = parameters.get("shipmentId");
if (shipmentId == null) {
    shipmentId = request.getAttribute("shipmentId");
}
context.put("shipmentId", shipmentId);

// If a shipment exists, provide the IDs of any related invoices
if (UtilValidate.isNotEmpty(shipmentId)) {

    // Get the primaryOrderId from the shipment
    shipment = delegator.findByPrimaryKey("Shipment", UtilMisc.toMap("shipmentId", shipmentId));
    if (shipment != null && shipment.getString("primaryOrderId") != null) {
        orderItemBillingList = delegator.findByAnd("OrderItemBilling", UtilMisc.toMap("orderId", shipment.getString("primaryOrderId")), UtilMisc.toList("invoiceId"));
        invoiceIds = EntityUtil.getFieldListFromEntityList(orderItemBillingList, "invoiceId", true);
        if (invoiceIds != null) {
            context.put("invoiceIds", invoiceIds);
        }
    }
}
if (UtilValidate.isNotEmpty(orderId) && UtilValidate.isEmpty(shipGroupSeqId) && orderId.indexOf("/") > -1) {
    // split the orderID/shipGroupSeqID
    idSplit = orderId.split("\\/");
    orderId = idSplit[0];
    shipGroupSeqId = idSplit[1];
}

packSession = session.getAttribute("packingSession");
if (packSession == null) {
    packSession = new org.ofbiz.shipment.packing.PackingSession(dispatcher, userLogin);
    session.setAttribute("packingSession", packSession);
    Debug.log("Created NEW packing session!!");
} else {
    if (packSession.getStatus() == 0) {
        packSession.clear();
        shipGroupSeqId = null;
        orderId = null;
    }
}

// make sure we always re-set the infos
packSession.setPrimaryShipGroupSeqId(shipGroupSeqId);
packSession.setPrimaryOrderId(orderId);
packSession.setFacilityId(facilityId);

context.put("packingSession", packSession);
context.put("orderId", orderId);
context.put("shipGroupSeqId", shipGroupSeqId);

if (UtilValidate.isNotEmpty(orderId)) {
    orderHeader = delegator.findByPrimaryKey("OrderHeader", UtilMisc.toMap("orderId", orderId));
    if (orderHeader != null) {
        OrderReadHelper orh = new OrderReadHelper(orderHeader);
        context.put("orderId", orderId);
        context.put("orderHeader", orderHeader);
        context.put("orderReadHelper", orh);
        orderItemShipGroup = orh.getOrderItemShipGroup(shipGroupSeqId);
        context.put("orderItemShipGroup", orderItemShipGroup);

        if ("ORDER_APPROVED".equals(orderHeader.getString("statusId"))) {
            if (UtilValidate.isNotEmpty(shipGroupSeqId)) {

                // Generate the shipment cost estimate for the ship group
                productStoreId = orh.getProductStoreId();
                shippableItemInfo = orh.getOrderItemAndShipGroupAssoc(shipGroupSeqId);
                shippableTotal = new Double(orh.getShippableTotalBd(shipGroupSeqId).doubleValue());
                shippableWeight = new Double(orh.getShippableWeightBd(shipGroupSeqId).doubleValue());
                shippableQuantity = new Double(orh.getShippableQuantityBd(shipGroupSeqId).doubleValue());
                shipmentCostEstimate = packSession.getShipmentCostEstimate(orderItemShipGroup, productStoreId, shippableItemInfo, shippableTotal, shippableWeight, shippableQuantity);                
                context.put("shipmentCostEstimateForShipGroup", shipmentCostEstimate);
                context.put("productStoreId", productStoreId);

                context.put("itemInfos", shippableItemInfo);
            } else {
                request.setAttribute("errorMessageList", UtilMisc.toList("No ship group sequence ID. Cannot process."));
            }
        } else {
            request.setAttribute("errorMessageList", UtilMisc.toList("Order #" + orderId + " is not approved for packing."));
        }
    } else {
        request.setAttribute("errorMessageList", UtilMisc.toList("Order #" + orderId + " cannot be found."));
    }
}

// Try to get the defaultWeightUomId first from the facility, then from the shipment properties, and finally defaulting to kilos
defaultWeightUomId = null; 
if (! UtilValidate.isEmpty(facility)) {
    defaultWeightUomId = facility.getString("defaultWeightUomId");
}
if (UtilValidate.isEmpty(defaultWeightUomId)) {
    defaultWeightUomId = UtilProperties.getPropertyValue("shipment.properties", "shipment.default.weight.uom", "WT_kg");
}
context.put("defaultWeightUomId", defaultWeightUomId);