/*
 * The Kuali Financial System, a comprehensive financial management system for higher education.
 * 
 * Copyright 2005-2014 The Kuali Foundation
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kuali.kfs.module.purap.document.validation.impl;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.kuali.kfs.module.purap.PurapConstants;
import org.kuali.kfs.module.purap.PurapKeyConstants;
import org.kuali.kfs.module.purap.PurapPropertyConstants;
import org.kuali.kfs.sys.document.validation.GenericValidation;
import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
import org.kuali.kfs.vnd.businessobject.CommodityCode;
import org.kuali.rice.krad.service.BusinessObjectService;
import org.kuali.rice.krad.util.GlobalVariables;

public class PurchasingCommodityCodesForDistributionValidation extends GenericValidation {

    private String purchasingCommodityCode;
    private BusinessObjectService businessObjectService;
    
    public boolean validate(AttributedDocumentEvent event) {
        boolean valid = true;
        //Find out whether the commodity code has existed in the database
        Map<String,String> fieldValues = new HashMap<String, String>();
        fieldValues.put(PurapPropertyConstants.ITEM_COMMODITY_CODE, purchasingCommodityCode);
        
        Collection<CommodityCode> result = (Collection<CommodityCode>)businessObjectService.findMatching(CommodityCode.class, fieldValues);
        if (result != null && result.size() > 0) {
            CommodityCode commodityCode = (CommodityCode)(result.iterator().next());
            if (!commodityCode.isActive()) {
                //This is the case where the commodity code on the item is not active.
                valid = false;
                GlobalVariables.getMessageMap().putError(PurapConstants.ACCOUNT_DISTRIBUTION_ERROR_KEY, PurapKeyConstants.PUR_COMMODITY_CODE_INACTIVE, " in distribute commodity code" );
            }
        }
        else {
            //This is the case where the commodity code on the item does not exist in the database.
            valid = false;
            GlobalVariables.getMessageMap().clearErrorPath();
            GlobalVariables.getMessageMap().addToErrorPath(PurapConstants.ITEM_TAB_ERRORS);
            GlobalVariables.getMessageMap().putError(PurapConstants.ACCOUNT_DISTRIBUTION_ERROR_KEY, PurapKeyConstants.PUR_COMMODITY_CODE_INVALID,  " in distribute commodity code" );
        }
        return valid;
    }

    public String getPurchasingCommodityCode() {
        return purchasingCommodityCode;
    }

    public void setPurchasingCommodityCode(String purchasingCommodityCode) {
        this.purchasingCommodityCode = purchasingCommodityCode;
    }

    public BusinessObjectService getBusinessObjectService() {
        return businessObjectService;
    }

    public void setBusinessObjectService(BusinessObjectService businessObjectService) {
        this.businessObjectService = businessObjectService;
    }

}