/*

  * Copyright 2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.rice.krad.web.spring.form;

 import java.util.Collection;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import javax.servlet.http.HttpServletRequest;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.krad.lookup.LookupUtils;

 import org.kuali.rice.krad.uif.UifConstants.ViewType;

 import org.kuali.rice.krad.uif.UifParameters;

 import org.kuali.rice.krad.uif.container.LookupView;

 import org.kuali.rice.krad.uif.service.LookupViewHelperService;

 import org.kuali.rice.krad.uif.service.ViewHelperService;

 import org.kuali.rice.krad.util.KRADConstants;

 /**

  * This class is the model for Lookups

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class LookupForm extends UifFormBase {

         private static final long serialVersionUID = -7323484966538685327L;

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(InquiryForm.class);

         private String dataObjectClassName;

         private String docNum;

         private Map<String, String> criteriaFields;

         private Map<String, String> criteriaFieldsForLookup;

         private String conversionFields;

         private Map<String, String> fieldConversions;

         private Collection<?> searchResults;

     public LookupForm() {

             super();

             setViewTypeName(ViewType.LOOKUP);

     }

         public String getDataObjectClassName() {

             return this.dataObjectClassName;

     }

         public void setDataObjectClassName(String dataObjectClassName) {

             this.dataObjectClassName = dataObjectClassName;

     }

         public String getDocNum() {

             return this.docNum;

     }

         public void setDocNum(String docNum) {

             this.docNum = docNum;

     }

         public Map<String, String> getCriteriaFields() {

             return this.criteriaFields;

     }

         public void setCriteriaFields(Map<String, String> criteriaFields) {

             this.criteriaFields = criteriaFields;

     }

         public Map<String, String> getCriteriaFieldsForLookup() {

             return this.criteriaFieldsForLookup;

     }

         public void setCriteriaFieldsForLookup(Map<String, String> criteriaFieldsForLookup) {

             this.criteriaFieldsForLookup = criteriaFieldsForLookup;

     }

         public String getConversionFields() {

             return this.conversionFields;

     }

         public void setConversionFields(String conversionFields) {

             this.conversionFields = conversionFields;

     }

         public Map<String, String> getFieldConversions() {

             return this.fieldConversions;

     }

         public void setFieldConversions(Map<String, String> fieldConversions) {

             this.fieldConversions = fieldConversions;

     }

         public Collection<?> getSearchResults() {

             return this.searchResults;

     }

         public void setSearchResults(Collection<?> searchResults) {

             this.searchResults = searchResults;

     }

         protected LookupViewHelperService getLookupViewHelperServiceFromModel() {

         ViewHelperService viewHelperService = getView().getViewHelperService();

         if (viewHelperService == null) {

             LOG.error("ViewHelperService is null.");

             throw new RuntimeException("ViewHelperService is null.");

         }

         if (!LookupViewHelperService.class.isAssignableFrom(viewHelperService.getClass())) {

             LOG.error("ViewHelperService class '" + viewHelperService.getClass().getName() + "' is not assignable from '" + LookupViewHelperService.class + "'");

             throw new RuntimeException("ViewHelperService class '" + viewHelperService.getClass().getName() + "' is not assignable from '" + LookupViewHelperService.class + "'");

         }

         return (LookupViewHelperService) viewHelperService;

         }

         /**

          * Picks out business object name from the request to get retrieve a

          * lookupable and set properties.

          */

         @Override

         public void postBind(HttpServletRequest request) {

                 super.postBind(request);

                 try {

                         LookupViewHelperService localLookupViewHelperService = getLookupViewHelperServiceFromModel();

                         if (localLookupViewHelperService == null) {

                                 LOG.error("LookupViewHelperService not found for view id " + getView().getId());

                                 throw new RuntimeException("LookupViewHelperService not found for view id " + getView().getId());

                         }

                         // check the doc form key is empty before setting so we don't

                         // override a restored lookup form

 //                        if (request.getAttribute(KRADConstants.DOC_FORM_KEY) != null && StringUtils.isBlank(this.getFormKey())) {

 //                                setFormKey((String) request.getAttribute(KRADConstants.DOC_FORM_KEY));

 //                        } else if (request.getParameter(KRADConstants.DOC_FORM_KEY) != null && StringUtils.isBlank(this.getFormKey())) {

 //                                setFormKey(request.getParameter(KRADConstants.DOC_FORM_KEY));

 //                        }

             // if showMaintenanceLinks is not already true, only show maintenance links if the lookup was called from the portal (or index.html for the generated applications)

             if (!((LookupView)getView()).isShowMaintenanceLinks()) {

                     // TODO delyea - is this the best way to decide whether to display the maintenance actions?

                     if (StringUtils.contains(getReturnLocation(), "/"+ KRADConstants.PORTAL_ACTION)

                                     || StringUtils.contains(getReturnLocation(), "/index.html")) {

                             ((LookupView)getView()).setShowMaintenanceLinks(true);

                     }

             }

                         // this used to be in the Form as a property but has been moved for KRAD

 //                        String hideReturnLink = request.getParameter("hideReturnLink");

 //                        Boolean hideReturnLinkValue = processBooleanParameter(hideReturnLink);

 //                        if (hideReturnLinkValue != null) {

 //                                localLookupViewHelperService.setHideReturnLink(hideReturnLinkValue.booleanValue());

 //                        }

 //                        if (request.getParameter("conversionFields") != null) {

 //                                setConversionFields(request.getParameter("conversionFields"));

 //                        }

 //                        String value = request.getParameter("multipleValues");

 //                        if (value != null) {

 //                                if ("YES".equals(value.toUpperCase())) {

 //                                        setMultipleValues(true);

 //                                } else {

 //                                        setMultipleValues(new Boolean(request.getParameter("multipleValues")).booleanValue());

 //                                }

 //                        }

 //                        if (request.getParameter(KRADConstants.REFERENCES_TO_REFRESH) != null) {

 //                                setReferencesToRefresh(request.getParameter(KRADConstants.REFERENCES_TO_REFRESH));

 //                        }

                         if (request.getParameter(KRADConstants.LOOKUP_READ_ONLY_FIELDS) != null) {

                                 setReadOnlyFields(request.getParameter(KRADConstants.LOOKUP_READ_ONLY_FIELDS));

                                 setReadOnlyFieldsList(LookupUtils.translateReadOnlyFieldsToList(getReadOnlyFields()));

                                 localLookupViewHelperService.setReadOnlyFieldsList(getReadOnlyFieldsList());

                         }

                         // init lookupable with bo class

                         Class<?> boClass = Class.forName(getDataObjectClassName());

                         localLookupViewHelperService.setDataObjectClass(boClass);

                         Map<String, String> fieldValues = new HashMap<String, String>();

                         Map<String, String> formFields = getCriteriaFields();

                         if (formFields != null) {

                                 for (Map.Entry<String, String> entry : formFields.entrySet()) {

                                         // check here to see if this field is a criteria element on the form

                             fieldValues.put(entry.getKey(), LookupUtils.forceUppercase(boClass, entry.getKey(), entry.getValue()));

                     }

                         }

                         // populate values into the localLookupable Field list

 //                        for (Iterator iter = localLookupable.getRows().iterator(); iter.hasNext();) {

 //                                Row row = (Row) iter.next();

 //

 //                                for (Iterator iterator = row.getFields().iterator(); iterator.hasNext();) {

 //                                        Field field = (Field) iterator.next();

 //

 //                                        // check whether form already has value for field

 //                                        if (formFields != null && formFields.containsKey(field.getPropertyName())) {

 //                                                field.setPropertyValue(formFields.get(field.getPropertyName()));

 //                                        }

 //

 //                                        field.setPropertyValue(LookupUtils.forceUppercase(boClass, field.getPropertyName(), field.getPropertyValue()));

 //                                        fieldValues.put(field.getPropertyName(), field.getPropertyValue());

 //                                        localLookupable.applyFieldAuthorizationsFromNestedLookups(field);

 //                                }

 //                        }

                         // check the lookupableImpl to see if there are additional fields

 //                        if (localLookupable.checkForAdditionalFields(fieldValues)) {

 //                                // populate values into the localLookupable Field list again because additional rows may have been added

 //                                for (Iterator iter = localLookupable.getRows().iterator(); iter.hasNext();) {

 //                                        Row row = (Row) iter.next();

 //

 //                                        for (Iterator iterator = row.getFields().iterator(); iterator.hasNext();) {

 //                                                Field field = (Field) iterator.next();

 //

 //                                                // check whether form already has value for field

 //                                                if (formFields != null && formFields.containsKey(field.getPropertyName())) {

 //                                                        field.setPropertyValue(formFields.get(field.getPropertyName()));

 //                                                }

 //

 //                                                // override values with request

 //                                                if (request.getParameter(field.getPropertyName()) != null) {

 //                                                        if (!Field.MULTI_VALUE_FIELD_TYPES.contains(field.getFieldType())) {

 //                                                                field.setPropertyValue(request.getParameter(field.getPropertyName()).trim());

 //                                                        } else {

 //                                                                // multi value, set to values

 //                                                                field.setPropertyValues(request.getParameterValues(field.getPropertyName()));

 //                                                        }

 //                                                }

 //                                                fieldValues.put(field.getPropertyName(), field.getPropertyValue());

 //                                        }

 //                                }

 //

 //                        }

                         fieldValues.put(UifParameters.RETURN_FORM_KEY, getReturnFormKey());

                         fieldValues.put(UifParameters.RETURN_LOCATION, getReturnLocation());

                         if (StringUtils.isNotBlank(getDocNum())) {

                                 fieldValues.put(KRADConstants.DOC_NUM, getDocNum());

                         }

 //                        if (StringUtils.isNotBlank(getReferencesToRefresh())) {

 //                                fieldValues.put(KRADConstants.REFERENCES_TO_REFRESH, this.getReferencesToRefresh());

 //                        }

                         this.setCriteriaFields(fieldValues);

                         setFieldConversions(LookupUtils.translateFieldConversions(getConversionFields()));

                         localLookupViewHelperService.setFieldConversions(getFieldConversions());

                         localLookupViewHelperService.setDocNum(getDocNum());

 //                        setLookupViewHelperService(localLookupViewHelperService);

                         setCriteriaFieldsForLookup(fieldValues);

                         // if showMaintenanceLinks is not already true, only show

                         // maintenance links if the lookup was called from the portal (or

                         // index.html for the generated applications)

                         // TODO delyea - how to handle whether to show maintenance links or return links

 //                        if (!isShowMaintenanceLinks()) {

 //                                if (StringUtils.contains(getBackLocation(), "/" + KRADConstants.PORTAL_ACTION) || StringUtils.contains(getBackLocation(), "/index.html")) {

 //                                        showMaintenanceLinks = true;

 //                                }

 //                        }

                 } catch (ClassNotFoundException e) {

                         LOG.error("Object class " + getDataObjectClassName() + " not found");

                         throw new RuntimeException("Object class " + getDataObjectClassName() + " not found", e);

                 }

         }

         protected Boolean processBooleanParameter(String parameterValue) {

                 if (StringUtils.isNotBlank(parameterValue)) {

                         if ("YES".equals(parameterValue.toUpperCase())) {

                                 return Boolean.TRUE;

                         }

                         return new Boolean(parameterValue);

                 }

                 return null;

         }

         /**

          * BELOW COPIED FROM LookupForm

          */

     private String readOnlyFields;

     private List<String> readOnlyFieldsList;

         public String getReadOnlyFields() {

             return this.readOnlyFields;

     }

         public void setReadOnlyFields(String readOnlyFields) {

             this.readOnlyFields = readOnlyFields;

     }

         public List<String> getReadOnlyFieldsList() {

             return this.readOnlyFieldsList;

     }

         public void setReadOnlyFieldsList(List<String> readOnlyFieldsList) {

             this.readOnlyFieldsList = readOnlyFieldsList;

     }

 }