/*
    * Copyright 2013 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.ole.select.document.validation.impl;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.module.purap.document.validation.impl.PurchaseOrderDocumentPreRules;
  import org.kuali.ole.select.businessobject.OleSufficientFundCheck;
  import org.kuali.ole.select.document.OlePurchaseOrderAmendmentDocument;
  import org.kuali.ole.select.document.service.OleRequisitionDocumentService;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.businessobject.SourceAccountingLine;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.config.property.ConfigurationService;
  import org.kuali.rice.krad.document.Document;
  import org.kuali.rice.krad.service.BusinessObjectService;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class OlePurchaseOrderDocumentPreRules extends PurchaseOrderDocumentPreRules {
      /**
       * Default Constructor
       */
      public OlePurchaseOrderDocumentPreRules() {
          super();
      }
  
      /**
       * Main hook point to perform rules check.
       *
       * @see org.kuali.rice.kns.rules.PromptBeforeValidationBase#doRules(org.kuali.rice.krad.document.Document)
       */
      @Override
      public boolean doPrompts(Document document) {
          boolean preRulesOK = true;
          OlePurchaseOrderAmendmentDocument purDoc = null;
          if (document instanceof OlePurchaseOrderAmendmentDocument) {
              purDoc = (OlePurchaseOrderAmendmentDocument) document;
          }
          OleRequisitionDocumentService oleRequisitionDocumentService = (OleRequisitionDocumentService) SpringContext
                  .getBean("oleRequisitionDocumentService");
          StringBuilder accountNumbers = new StringBuilder();
          if (oleRequisitionDocumentService != null && purDoc != null) {
              List<SourceAccountingLine> sourceAccountingLineList = purDoc.getSourceAccountingLines();
              for (SourceAccountingLine accLine : sourceAccountingLineList) {
                  String notificationOption = null;
                  boolean sufficientFundCheck;
                  Map<String, Object> key = new HashMap<String, Object>();
                  String chartCode = accLine.getChartOfAccountsCode();
                  String accNo = accLine.getAccountNumber();
                  String objectCd = accLine.getFinancialObjectCode();
                  key.put(OLEPropertyConstants.CHART_OF_ACCOUNTS_CODE, chartCode);
                  key.put(OLEPropertyConstants.ACCOUNT_NUMBER, accNo);
                  OleSufficientFundCheck account = SpringContext.getBean(BusinessObjectService.class).findByPrimaryKey(
                          OleSufficientFundCheck.class, key);
                  if (account != null) {
                      notificationOption = account.getNotificationOption();
                  }
                  if (notificationOption != null && notificationOption.equals(OLEPropertyConstants.WARNING_MSG)
                          && oleRequisitionDocumentService.hasSufficientFundsOnRequisition(accLine)) {
                      accountNumbers.append(accLine.getAccountNumber());
                  }
              }
          }
          if (accountNumbers.length() > 0) {
              preRulesOK = askForConfirmation(OLEConstants.SufficientFundCheck.REQUISITION_SFC_CHECKING_STRING,
                      OLEConstants.SufficientFundCheck.REQUISITION_SFC_CHECKING, accountNumbers);
          }
          preRulesOK &= super.doPrompts(document);
          return preRulesOK;
      }
  
      /**
       * Prompts user to confirm with a Yes or No to a question being asked.
       *
       * @param questionType    - type of question
       * @param messageConstant - key to retrieve message
       * @return - true if overriding, false otherwise
       */
      protected boolean askForConfirmation(String questionType, String messageConstant, StringBuilder accountNumbers) {
  
          String questionText = SpringContext.getBean(ConfigurationService.class).getPropertyValueAsString(
                  messageConstant);
          if (questionText.contains("{")) {
             questionText = prepareQuestionText(questionType, questionText, accountNumbers);
         }
 
         boolean confirmOverride = super.askOrAnalyzeYesNoQuestion(questionType, questionText);
 
         if (!confirmOverride) {
             event.setActionForwardName(OLEConstants.MAPPING_BASIC);
             return false;
         }
         return true;
     }
 
     /**
      * Creates the actual text of the question, replacing place holders like pay date threshold with an actual constant value.
      *
      * @param questionType - type of question
      * @param questionText - actual text of question pulled from resource file
      * @return - question text with place holders replaced
      */
     protected String prepareQuestionText(String questionType, String questionText, StringBuilder accountNumbers) {
         if (StringUtils.equals(questionType, OLEConstants.SufficientFundCheck.REQUISITION_SFC_CHECKING_STRING)) {
             questionText = StringUtils.replace(questionText, "{0}", accountNumbers.toString());
         }
         return questionText;
     }
 
 }