package org.kuali.ole.ingest.controller;
   
   /**
    * Created by IntelliJ IDEA.
    * User: balakumaranm
    * Date: 3/28/12
    * Time: 3:24 PM
    * To change this template use File | Settings | File Templates.
    */
  
  import org.apache.log4j.Logger;
  import org.kuali.ole.OLEConstants;
  import org.kuali.ole.OLEKeyConstants;
  import org.kuali.ole.ingest.KrmsBuilder;
  import org.kuali.ole.ingest.KrmsXMLSchemaValidator;
  import org.kuali.ole.ingest.form.KrmsBuilderForm;
  import org.kuali.ole.ingest.krms.builder.OleKrmsBuilder;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.web.controller.UifControllerBase;
  import org.kuali.rice.krad.web.form.UifFormBase;
  import org.springframework.stereotype.Controller;
  import org.springframework.validation.BindingResult;
  import org.springframework.web.bind.annotation.ModelAttribute;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.multipart.MultipartFile;
  import org.springframework.web.servlet.ModelAndView;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  
  /**
   * KrmsBuilderController is the controller class for Krms Builder
   */
  @Controller
  @RequestMapping(value = "/krmsbuildercontroller")
  public class KrmsBuilderController
          extends UifControllerBase {
      /**
       * @see org.kuali.rice.krad.web.controller.UifControllerBase#createInitialForm(javax.servlet.http.HttpServletRequest)
       */
      private static final Logger LOG = Logger.getLogger(KrmsBuilderController.class);
  
      /**
       *  This method returns the instance of KrmsBuilderForm.
       * @param request
       * @return krmsBuilderForm
       */
      @Override
      protected KrmsBuilderForm createInitialForm(HttpServletRequest request) {
          return new KrmsBuilderForm();
      }
  
      /**
       * This method takes the initial request when click on KrmsBuilder Screen.
       * @param form
       * @param result
       * @param request
       * @param response
       * @return  ModelAndView.
       */
      @Override
      @RequestMapping(params = "methodToCall=start")
      public ModelAndView start(@ModelAttribute("KualiForm") UifFormBase form, BindingResult result,
                                HttpServletRequest request, HttpServletResponse response) {
          KrmsBuilderForm krmsBuilderForm = (KrmsBuilderForm) form;
          return super.start(krmsBuilderForm, result, request, response);
      }
  
      /**
       * This method persist the data from krmsBuilderXml file into database after uploading the krmsBuilderXml.
       * @param form
       * @param result
       * @param request
       * @param response
       * @return  ModelAndView
       * @throws Exception
       */
      @RequestMapping(params = "methodToCall=upload")
      public ModelAndView upload(@ModelAttribute("KualiForm") UifFormBase form, BindingResult result,
                                 HttpServletRequest request, HttpServletResponse response) throws Exception {
          KrmsBuilderForm krmsBuilderForm = (KrmsBuilderForm) form;
          KrmsBuilder krmsBuilder = new KrmsBuilder();
          OleKrmsBuilder loanKrmsBuilder = new OleKrmsBuilder();
          KrmsXMLSchemaValidator krmsXMLSchemaValidator = new KrmsXMLSchemaValidator();
          MultipartFile multipartFile = krmsBuilderForm.getKrmsFile();
          if(multipartFile != null){
              if (validateFile(multipartFile.getOriginalFilename())) {
                  String fileContent = new String(multipartFile.getBytes());
                  try {
                      boolean validXML= true;
                      if(!validXML){
                          GlobalVariables.getMessageMap().putError(OLEKeyConstants.KRMS_BUILDER_INVALID_SCHEMA, OLEKeyConstants.KRMS_BUILDER_INVALID_SCHEMA);
                          return super.start(krmsBuilderForm, result, request, response);
                      }
                      boolean license  = krmsXMLSchemaValidator.validateContentsAgainstSchema(multipartFile.getInputStream());
                      if(license)
                          krmsBuilder.persistKrmsFromFileContent(fileContent);
                      else
                         loanKrmsBuilder.persistKrmsFromFileContent(fileContent);
 
                     GlobalVariables.getMessageMap().putInfo(OLEKeyConstants.KRMS_BUILDER_SUCCESS,OLEKeyConstants.KRMS_BUILDER_SUCCESS);
                 } catch (Exception krmsBuilderException) {
                     GlobalVariables.getMessageMap().putError(OLEKeyConstants.KRMS_BUILDER_FAILURE, OLEKeyConstants.KRMS_BUILDER_FAILURE);
                     LOG.error("Failed to upload Krms builder.", krmsBuilderException);
                 }
             } else {
                 GlobalVariables.getMessageMap().putError(OLEKeyConstants.KRMS_BUILDER_SELECT_FILE, OLEKeyConstants.KRMS_BUILDER_SELECT_FILE);
             }
         }else {
             GlobalVariables.getMessageMap().putError(OLEKeyConstants.KRMS_BUILDER_SELECT_FILE, OLEKeyConstants.KRMS_BUILDER_SELECT_FILE);
         }
         return super.start(krmsBuilderForm, result, request, response);
     }
 
     /**
      * This method validate the xml file type.
      * @param inputFile
      * @return  boolean
      */
      public boolean validateFile(String inputFile) {
         return (inputFile.contains(".xml") ? true:false);
     }
 
 
 }