/*
    * Copyright 2005-2014 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.coeus.s2sgen.impl.generate;
  
  import org.apache.xmlbeans.XmlOptions;
  import org.kuali.coeus.s2sgen.api.core.S2SException;
  import org.kuali.coeus.s2sgen.api.generate.FormMappingInfo;
  import org.kuali.coeus.s2sgen.api.generate.FormMappingService;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.BeansException;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.context.ApplicationContext;
  import org.springframework.stereotype.Component;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * 
   * This class is used as a service implementation that is used to create instances of opportunity form generator classes. It
   * provides an abstraction level over the different generator class implementations.
   * 
   * @author Kuali Research Administration Team (kualidev@oncourse.iu.edu)
   */
  @Component("s2SFormGeneratorRetrievalService")
  public class S2SFormGeneratorRetrievalServiceImpl implements S2SFormGeneratorRetrievalService {
      private static final Logger LOG = LoggerFactory.getLogger(S2SFormGeneratorRetrievalServiceImpl.class);
  
      @Autowired
      @Qualifier("formMappingService")
      private FormMappingService formMappingService;
  
      @Autowired
      private ApplicationContext applicationContext;
  
      /**
       *
       * This method is used to create and return a form generator instance. Based on the namespace provided as parameter, it
       * instantiates the respective generator class and returns it.
       * 
       * @param namespace name space of the generator.
       * @return S2SFormGenerator form generator instances corresponding to the name space.
       * @throws S2SException if generator could not be loaded
       * @throws org.kuali.coeus.s2sgen.api.core.S2SException if form generator for given namespace is not available
       */
      public final S2SFormGenerator getS2SGenerator(String proposalNumber,String namespace) throws S2SException {
          FormMappingInfo formInfo = formMappingService.getFormInfo(namespace,proposalNumber);
          S2SFormGenerator formGenerator = (S2SFormGenerator) applicationContext.getBean(formInfo.getGeneratorName());
  
          if (formGenerator == null) {
              throw new S2SException("Generator not found with name: " + formInfo.getGeneratorName());
          }
  
          if (formGenerator instanceof DynamicNamespace) {
              ((DynamicNamespace) formGenerator).setNamespace(namespace);
          }
  
          return formGenerator;
      }
  
  
      public XmlOptions getXmlOptionsPrefixes() {
          XmlOptions xmlOptions = new XmlOptions();
          Map<String, String> prefixMap = new HashMap<String, String>();
          prefixMap.put(
                  "http://apply.grants.gov/system/MetaGrantApplication", "");
          prefixMap.put(
                  "http://apply.grants.gov/forms/RR_SubawardBudget-V1.0",
                  "RR_SubawardBudget");
          prefixMap.put(
                  "http://apply.grants.gov/forms/RR_SubawardBudget-V1.1",
                  "RR_SubawardBudget");
          prefixMap.put(
                  "http://apply.grants.gov/forms/RR_SubawardBudget-V1.2",
                  "RR_SubawardBudget");
          
  
          xmlOptions.setSaveSuggestedPrefixes(prefixMap);
          return xmlOptions;
      }
  
      public FormMappingService getFormMappingService() {
          return formMappingService;
      }
 
     public void setFormMappingService(FormMappingService formMappingService) {
         this.formMappingService = formMappingService;
     }
 
     public ApplicationContext getApplicationContext() {
         return applicationContext;
     }
 
     public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
         this.applicationContext = applicationContext;
     }
 }