package org.kuali.student.r2.common.util;
   
   import org.kuali.student.r2.core.atp.service.AtpService;
   import org.kuali.student.enrollment.acal.service.AcademicCalendarService;
   import org.kuali.student.enrollment.lpr.service.LprService;
   import org.kuali.student.enrollment.lui.service.LuiService;
   import org.kuali.student.r2.common.exceptions.InvalidParameterException;
   import org.kuali.student.r2.core.constants.AtpServiceConstants;
   import org.kuali.student.r2.common.util.constants.LprServiceConstants;
  import org.kuali.student.r2.common.util.constants.LuiServiceConstants;
  
  import java.util.Arrays;
  
  public class KSKeyGenerator  {
  
  	/**
  	 * 
  	 * @param serviceName the name of the service that the create method is invoked on, for all class II services having the same base class I service the key will have same prefix
  	 * @param dtoName the DTO for which the name is being created, for e,g Terms will be named like FALL, SPRING, SUMMER  etc
  	 * @param atpUniqueIdentifier  convenient readable identifier, terms  or academic calendar could have year and month etc, LUIs could have coursename+year 
  
  	 * @return
  	 */
  	public static String generateKey(final String serviceName, final String dtoName, final String atpUniqueIdentifier )throws InvalidParameterException {
  		
  		String key= null; 
  		
  		String [] namesArrayAtpType = new String[]{AcademicCalendarService.class.getName(), AtpService.class.getName()};
  		String[] namesArrayLuiType = new String[] {LuiService.class.getName()};
  		String[] namesArrayLPRType = new String[] {LprService.class.getName()};
  		
  		if(Arrays.asList(namesArrayAtpType).contains(serviceName)){
  			
  			key = AtpServiceConstants.ATP_KEY_PREFIX;
  			
  		}else if(Arrays.asList( namesArrayLuiType ).contains(serviceName)){
  			key = LuiServiceConstants.LUI_KEY_PREFIX;
  		}else if(Arrays.asList( namesArrayLPRType ).contains(serviceName)){
  			key = LprServiceConstants.LPR_KEY_PREFIX;
  		}
  		
  		if(key!=null){
  			key=key+"."+dtoName+"."+atpUniqueIdentifier;
  		}else{
  			throw new InvalidParameterException("Check if the service is defined in the names array");
  		}
  		
  		
  		return key;
  	}
  }