/*
    * Copyright 2007 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.ole.vnd.businessobject.lookup;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.integration.purap.PurchasingAccountsPayableModuleService;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.ole.vnd.VendorConstants;
  import org.kuali.ole.vnd.VendorKeyConstants;
  import org.kuali.ole.vnd.VendorPropertyConstants;
  import org.kuali.ole.vnd.businessobject.VendorAddress;
  import org.kuali.ole.vnd.businessobject.VendorDetail;
  import org.kuali.ole.vnd.document.service.VendorService;
  import org.kuali.rice.core.web.format.Formatter;
  import org.kuali.rice.coreservice.framework.parameter.ParameterService;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  import org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl;
  import org.kuali.rice.kns.lookup.HtmlData;
  import org.kuali.rice.kns.lookup.HtmlData.AnchorHtmlData;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.exception.ValidationException;
  import org.kuali.rice.krad.lookup.CollectionIncomplete;
  import org.kuali.rice.krad.util.BeanPropertyComparator;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  import org.kuali.rice.krad.util.ObjectUtils;
  import org.kuali.rice.krad.util.UrlFactory;
  
  public class VendorLookupableHelperServiceImpl extends AbstractLookupableHelperServiceImpl {
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(VendorLookupableHelperServiceImpl.class);
  
      protected VendorService vendorService;
      protected ParameterService parameterService;
  
      /**
       * Add custom links to the vendor search results. One to Allow only active parent vendors to create new divisions. Another to
       * create a link for B2B shopping if PURAP service has been setup to allow for that.
       *
       * @see org.kuali.rice.kns.lookup.LookupableHelperService#getCustomActionUrls(org.kuali.rice.krad.bo.BusinessObject,
       *      java.util.List, java.util.List pkNames)
       */
      @Override
      public List<HtmlData> getCustomActionUrls(BusinessObject businessObject, List pkNames) {
          VendorDetail vendor = (VendorDetail) businessObject;
          List<HtmlData> anchorHtmlDataList = new ArrayList<HtmlData>();
  
          AnchorHtmlData anchorHtmlData = super.getUrlData(businessObject, KRADConstants.MAINTENANCE_EDIT_METHOD_TO_CALL, pkNames);
          anchorHtmlDataList.add(anchorHtmlData);
          String documentTypeName = OLEConstants.Vendor.DOCUMENT_TYPE;
          String nameSpaceCode = OLEConstants.Vendor.VENDOR_NAMESPACE;
  
          boolean hasPermission = KimApiServiceLocator.getPermissionService().isAuthorized(
                  GlobalVariables.getUserSession().getPerson().getPrincipalId(), nameSpaceCode,
                  OLEConstants.Vendor.CREATE_VENDOR_DIVISION, Collections.<String, String> emptyMap());
          if (vendor.isVendorParentIndicator() && vendor.isActiveIndicator() && hasPermission ) {
              // only allow active parent vendors to create new divisions
              anchorHtmlDataList.add(super.getUrlData(businessObject, OLEConstants.MAINTENANCE_NEWWITHEXISTING_ACTION, VendorConstants.CREATE_DIVISION, pkNames));
          }
  
          //Adding a "Shopping" link for B2B vendors.
          String b2bUrlString = SpringContext.getBean(PurchasingAccountsPayableModuleService.class).getB2BUrlString();
          if (vendor.isB2BVendor() && StringUtils.isNotBlank(b2bUrlString)) {
              Properties theProperties = new Properties();
              theProperties.put("channelTitle", "Shop Catalogs");
              String backLocation = this.getBackLocation();
              int lastSlash = backLocation.lastIndexOf("/");
              String returnUrlForShop = backLocation.substring(0, lastSlash+1) + "portal.do";
              String href = UrlFactory.parameterizeUrl(returnUrlForShop, theProperties);
              anchorHtmlDataList.add(new AnchorHtmlData(href + b2bUrlString, null, "shop"));
          }
          return anchorHtmlDataList;
      }
  
      /**
       * Used by getActionUrls to print the url on the Vendor Lookup page for the links to edit a Vendor or to create a new division.
       * We won't provide a link to copy a vendor because we decided it wouldn't make sense to copy a vendor. We should display the
       * link to create a new division only if the vendor is a parent vendor, and also remove the vendor detail assigned id from the
      * query string in the link to create a new division. We'll add the vendor detail assigned id in the query string if the vendor
      * is not a parent, or if the vendor is a parent and the link is not the create new division link (i.e. if the link is "edit").
      * We'll always add the vendor header id in the query string in all links.
      *
      * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#getActionUrlHref(org.kuali.rice.krad.bo.BusinessObject, java.lang.String, java.util.List)
      */
     @Override
     protected String getActionUrlHref(BusinessObject businessObject, String methodToCall, List pkNames){
         if (!methodToCall.equals(OLEConstants.COPY_METHOD)) {
             Properties parameters = new Properties();
             parameters.put(OLEConstants.DISPATCH_REQUEST_PARAMETER, methodToCall);
             parameters.put(OLEConstants.BUSINESS_OBJECT_CLASS_ATTRIBUTE, businessObject.getClass().getName());
 
             for (Iterator<String> iter = pkNames.iterator(); iter.hasNext();) {
                 String fieldNm = iter.next();
                 if (!fieldNm.equals(VendorPropertyConstants.VENDOR_DETAIL_ASSIGNED_ID) ||
                         !((VendorDetail) businessObject).isVendorParentIndicator()
                         || (((VendorDetail) businessObject).isVendorParentIndicator())
                         && !methodToCall.equals(OLEConstants.MAINTENANCE_NEWWITHEXISTING_ACTION)) {
                     Object fieldVal = ObjectUtils.getPropertyValue(businessObject, fieldNm);
                     if (fieldVal == null) {
                         fieldVal = OLEConstants.EMPTY_STRING;
                     }
                     if (fieldVal instanceof java.sql.Date) {
                         String formattedString = OLEConstants.EMPTY_STRING;
                         if (Formatter.findFormatter(fieldVal.getClass()) != null) {
                             Formatter formatter = Formatter.getFormatter(fieldVal.getClass());
                             formattedString = (String) formatter.format(fieldVal);
                             fieldVal = formattedString;
                         }
                     }
                     parameters.put(fieldNm, fieldVal.toString());
                 }
             }
             return UrlFactory.parameterizeUrl(OLEConstants.MAINTENANCE_ACTION, parameters);
         } else {
             return OLEConstants.EMPTY_STRING;
         }
     }
 
     /**
      * Overrides the getSearchResults in the super class so that we can do some customization in our vendor lookup. For example, for
      * vendor name as the search criteria, we want to search both the vendor detail table and the vendor alias table for the vendor
      * name. Display the vendor's default address state in the search results.
      *
      * @see org.kuali.rice.kns.lookup.Lookupable#getSearchResults(java.util.Map)
      */
     @Override
     public List<BusinessObject> getSearchResults(Map<String, String> fieldValues) {
         boolean unbounded = false;
         super.setBackLocation(fieldValues.get(OLEConstants.BACK_LOCATION));
         super.setDocFormKey(fieldValues.get(OLEConstants.DOC_FORM_KEY));
 
         String vendorName = fieldValues.get(VendorPropertyConstants.VENDOR_NAME);
 
         List<BusinessObject> searchResults = (List) getLookupService().findCollectionBySearchHelper(getBusinessObjectClass(), fieldValues, unbounded);
 
         // re-run the query against the vendor name alias field if necessary and merge the results
         // this could double the returned results for the search, but there is no alternative at present
         // without refactoring of the lookup service
         if (StringUtils.isNotEmpty(vendorName)) {
             // if searching by vendorName, also search in list of alias names
             fieldValues.put(VendorPropertyConstants.VENDOR_ALIAS_NAME_FULL_PATH, vendorName);
             // also make sure that we only use active aliases to match the query string
             fieldValues.put(VendorPropertyConstants.VENDOR_ALIAS_ACTIVE, "Y");
             fieldValues.remove(VendorPropertyConstants.VENDOR_NAME);
             List<BusinessObject> searchResults2 = (List) getLookupService().findCollectionBySearchHelper(getBusinessObjectClass(), fieldValues, unbounded);
 
             searchResults.addAll(searchResults2);
             if (searchResults instanceof CollectionIncomplete && searchResults2 instanceof CollectionIncomplete) {
                 ((CollectionIncomplete) searchResults).setActualSizeIfTruncated(((CollectionIncomplete) searchResults).getActualSizeIfTruncated().longValue() + ((CollectionIncomplete) searchResults2).getActualSizeIfTruncated().longValue());
             }
         }
 
         List<BusinessObject> processedSearchResults = new ArrayList();
 
         // loop through results
         for (BusinessObject businessObject : searchResults) {
             VendorDetail vendor = (VendorDetail) businessObject;
 
             // if its a top level vendor, search for its divisions and add them to the appropriate list then add the vendor to the
             // return results
             // if its a division, see if we already have the parent and if not, retrieve it and its divisions then add the parent to
             // the return results
 
 
             // If this vendor is not already in the processedSearchResults, let's do further processing (e.g. setting the state for
             // lookup from default address, etc)
             // and then add it in the processedSearchResults.
             if (!processedSearchResults.contains(vendor)) {
                 Map<String, String> tmpValues = new HashMap<String, String>();
                 List<VendorDetail> relatedVendors = new ArrayList();
                 tmpValues.put(VendorPropertyConstants.VENDOR_HEADER_GENERATED_ID, vendor.getVendorHeaderGeneratedIdentifier().toString());
                 relatedVendors = (List) getLookupService().findCollectionBySearchHelper(getBusinessObjectClass(), tmpValues, unbounded);
 
                 for (VendorDetail tmpVendor : relatedVendors) {
                     if (ObjectUtils.isNotNull(tmpVendor) && !processedSearchResults.contains(tmpVendor)) {
                         // populate state from default address
                         updateDefaultVendorAddress(tmpVendor);
                         processedSearchResults.add(tmpVendor);
                     }
                 }
 
                 if (!processedSearchResults.contains(vendor)) {
                     updateDefaultVendorAddress(vendor);
                     processedSearchResults.add(vendor);
                 }
             }
         }
 
         for (BusinessObject businessObject : processedSearchResults) {
             VendorDetail vendor = (VendorDetail) businessObject;
             if (!vendor.isVendorParentIndicator()) {
                 // find the parent object in the details collection and add that
                 for (BusinessObject tmpObject : processedSearchResults) {
                     VendorDetail tmpVendor = (VendorDetail) tmpObject;
                     if (tmpVendor.getVendorHeaderGeneratedIdentifier().equals(vendor.getVendorHeaderGeneratedIdentifier()) && tmpVendor.isVendorParentIndicator()) {
                         vendor.setVendorName(tmpVendor.getVendorName() + " > " + vendor.getVendorName());
                         break;
                     }
                 }
             }
         }
 
         searchResults.clear();
         searchResults.addAll(processedSearchResults);
 
         // sort list if default sort column given
         List<String> defaultSortColumns = getDefaultSortColumns();
         if (defaultSortColumns.size() > 0) {
             Collections.sort(searchResults, new BeanPropertyComparator(getDefaultSortColumns(), true));
         }
 
         return searchResults;
     }
 
     /**
      * Populates address fields from default address
      *
      * @param vendor venodrDetail
      */
     private void updateDefaultVendorAddress(VendorDetail vendor) {
         VendorAddress defaultAddress = vendorService.getVendorDefaultAddress(vendor.getVendorAddresses(), vendor.getVendorHeader().getVendorType().getAddressType().getVendorAddressTypeCode(), "");
         if (ObjectUtils.isNotNull(defaultAddress)) {
 
             if (ObjectUtils.isNotNull(defaultAddress.getVendorState())) {
                 vendor.setVendorStateForLookup(defaultAddress.getVendorState().getName());
             } else {
                 if ( LOG.isDebugEnabled() ) {
                     LOG.debug( "Warning - unable to retrieve state for " + defaultAddress.getVendorCountryCode() + " / " + defaultAddress.getVendorStateCode() );
                 }
                 vendor.setVendorStateForLookup("");
             }
             vendor.setDefaultAddressLine1(defaultAddress.getVendorLine1Address());
             vendor.setDefaultAddressLine2(defaultAddress.getVendorLine2Address());
             vendor.setDefaultAddressCity(defaultAddress.getVendorCityName());
             vendor.setDefaultAddressPostalCode(defaultAddress.getVendorZipCode());
             vendor.setDefaultAddressStateCode(defaultAddress.getVendorStateCode());
             vendor.setDefaultAddressInternationalProvince(defaultAddress.getVendorAddressInternationalProvinceName());
             vendor.setDefaultAddressCountryCode(defaultAddress.getVendorCountryCode());
             vendor.setDefaultFaxNumber(defaultAddress.getVendorFaxNumber());
         } else {
             if ( LOG.isDebugEnabled() ) {
                 LOG.debug( "Warning - default vendor address was null for " + vendor.getVendorNumber() + " / " + vendor.getVendorHeader().getVendorType().getAddressType().getVendorAddressTypeCode() );
             }
             vendor.setVendorStateForLookup("");
         }
     }
 
     /**
      * Overrides a method of the superclass and is now called instead of that one by the Search method of KualiLookupAction when the
      * Lookupable is of this class. This method first calls the method from the superclass, which should do all the required field
      * checking, and then goes through all the specific validations which aren't done in at the JSP level. Both the superclass
      * method and the various validation methods side-effect the adding of errors to the global error map when the input is found to
      * have an issue.
      *
      * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#validateSearchParameters(java.util.Map)
      */
     @Override
     public void validateSearchParameters(Map fieldValues) {
         super.validateSearchParameters(fieldValues);
 
         validateVendorNumber(fieldValues);
         validateTaxNumber(fieldValues);
 
         if (GlobalVariables.getMessageMap().hasErrors()) {
             throw new ValidationException("Error(s) in search criteria");
         }
     }
 
     /**
      * Validates that the Vendor Number has no more than one dash in it, and does not consist solely of one dash. Then it calls
      * extractVendorNumberToVendorIds to obtain vendorHeaderGeneratedId and vendorDetailAssignedId and if either one of the ids
      * cannot be converted to integers, it will add error that the vendor number must be numerics or numerics separated by a dash.
      *
      * @param fieldValues a Map containing only those key-value pairs that have been filled in on the lookup
      */
     private void validateVendorNumber(Map fieldValues) {
         String vendorNumber = (String) fieldValues.get(VendorPropertyConstants.VENDOR_NUMBER);
         if (StringUtils.isNotBlank(vendorNumber)) {
             int dashPos1 = vendorNumber.indexOf(VendorConstants.DASH);
             if (dashPos1 > -1) { // There's a dash in the number.
                 if (vendorNumber.indexOf(VendorConstants.DASH, dashPos1 + 1) > -1) { // There can't be more than one.
                     GlobalVariables.getMessageMap().putError(VendorPropertyConstants.VENDOR_NUMBER, VendorKeyConstants.ERROR_VENDOR_LOOKUP_VNDR_NUM_TOO_MANY_DASHES);
                 }
                 if (vendorNumber.matches("\\-*")) {
                     GlobalVariables.getMessageMap().putError(VendorPropertyConstants.VENDOR_NUMBER, VendorKeyConstants.ERROR_VENDOR_LOOKUP_VNDR_NUM_DASHES_ONLY);
                 }
             }
             extractVendorNumberToVendorIds(fieldValues, vendorNumber);
         }
     }
 
     /**
      * Parses the vendorNumber string into vendorHeaderGeneratedIdentifier and vendorDetailAssignedIdentifier, validates that both
      * fields would be able to be converted into integers, if so it will add both fields into the search criterias map in the
      * fieldValues and remove the vendorNumber from the fieldValues. If the two fields cannot be converted into integers, this
      * method will add error message to the errorMap in GlobalVariables that the vendor number must be numeric or numerics separated
      * by a dash.
      *
      * @param fieldValues a Map containing only those key-value pairs that have been filled in on the lookup
      * @param vendorNumber vendor number String
      */
     private void extractVendorNumberToVendorIds(Map fieldValues, String vendorNumber) {
         String vendorHeaderGeneratedIdentifier = null;
         String vendorDetailAssignedIdentifier = null;
         int indexOfDash = vendorNumber.indexOf(VendorConstants.DASH);
         if (indexOfDash < 0) {
             vendorHeaderGeneratedIdentifier = vendorNumber;
         }
         else {
             vendorHeaderGeneratedIdentifier = vendorNumber.substring(0, indexOfDash);
             vendorDetailAssignedIdentifier = vendorNumber.substring(indexOfDash + 1, vendorNumber.length());
         }
         try {
             if (StringUtils.isNotEmpty(vendorHeaderGeneratedIdentifier)) {
                 Integer.parseInt(vendorHeaderGeneratedIdentifier);
             }
             if (StringUtils.isNotEmpty(vendorDetailAssignedIdentifier)) {
                 Integer.parseInt(vendorDetailAssignedIdentifier);
             }
             fieldValues.remove(VendorPropertyConstants.VENDOR_NUMBER);
             fieldValues.put(VendorPropertyConstants.VENDOR_HEADER_GENERATED_ID, vendorHeaderGeneratedIdentifier);
             if (StringUtils.isNotEmpty(vendorDetailAssignedIdentifier)) {
             fieldValues.put(VendorPropertyConstants.VENDOR_DETAIL_ASSIGNED_ID, vendorDetailAssignedIdentifier);
         }
         }
         catch (NumberFormatException headerExc) {
             GlobalVariables.getMessageMap().putError(VendorPropertyConstants.VENDOR_NUMBER, VendorKeyConstants.ERROR_VENDOR_LOOKUP_VNDR_NUM_NUMERIC_DASH_SEPARATED);
         }
     }
 
     /**
      * Validates that the tax number is 9 digits long.
      *
      * @param fieldValues a Map containing only those key-value pairs that have been filled in on the lookup
      */
     private void validateTaxNumber(Map fieldValues) {
         String taxNumber = (String) fieldValues.get(VendorPropertyConstants.VENDOR_TAX_NUMBER);
         if (StringUtils.isNotBlank(taxNumber) && (!StringUtils.isNumeric(taxNumber) || taxNumber.length() != 9)) {
             GlobalVariables.getMessageMap().putError(VendorPropertyConstants.VENDOR_TAX_NUMBER, VendorKeyConstants.ERROR_VENDOR_LOOKUP_TAX_NUM_INVALID);
         }
     }
 
     public void setVendorService(VendorService vendorService) {
         this.vendorService = vendorService;
     }
 
     @Override
     public void setParameterService(ParameterService parameterService) {
         this.parameterService = parameterService;
     }
 
 }