package org.kuali.ole.ingest.krms.action;
   
   import org.kuali.rice.krms.api.engine.ExecutionEnvironment;
   import org.kuali.rice.krms.framework.engine.Action;
   
   import java.sql.Timestamp;
   import java.util.Calendar;
   
   /**
   * Created with IntelliJ IDEA.
   * User: vivekb
   * Date: 8/22/12
   * Time: 3:04 PM
   * To change this template use File | Settings | File Templates.
   */
  public class OleLoanPeriod implements Action {
      private String loanPeriod;
  
      public OleLoanPeriod(String loanPeriod) {
          this.loanPeriod = loanPeriod;
      }
  
      @Override
      public void execute(ExecutionEnvironment environment) {
          Timestamp dueDate = calculateLoanDueDate(loanPeriod);
          if(dueDate==null){
                environment.getEngineResults().setAttribute("loanPeriod","You must provide Due Date  <br/>");
                environment.getEngineResults().setAttribute("dueDate",null);
          }else{
              environment.getEngineResults().setAttribute("dueDate",dueDate);
          }
      }
  
      @Override
      public void executeSimulation(ExecutionEnvironment environment) {
         execute(environment);
      }
      private Timestamp calculateLoanDueDate(String loanPeriod) {
          String loanPeriodType[]=null;
          Timestamp dueDate = null;
          Calendar calendar = Calendar.getInstance();
          if(loanPeriod != null && loanPeriod.trim().length()>0){
              loanPeriodType =  loanPeriod.split("-");
              int loanPeriodValue =  Integer.parseInt(loanPeriodType[0].toString());
              String loanPeriodTypeValue =  loanPeriodType[1].toString();
              if(loanPeriodTypeValue.equalsIgnoreCase("M")){
                  calendar.add(Calendar.MINUTE, loanPeriodValue);
              } else if(loanPeriodTypeValue.equalsIgnoreCase("H")) {
                  calendar.add(Calendar.HOUR, loanPeriodValue);
              } else if(loanPeriodTypeValue.equalsIgnoreCase("W")) {
                  calendar.add(Calendar.WEEK_OF_MONTH, loanPeriodValue);
              } else {
                  calendar.add(Calendar.DATE, loanPeriodValue);
              }
              dueDate =  new java.sql.Timestamp(calendar.getTime().getTime());
          }
          return dueDate;
      }
  }