/**
    * Copyright 2004-2012 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (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/ecl2.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.hr.time.assignment;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.apache.log4j.Logger;
  import org.kuali.hr.time.util.TkConstants;
  
  public class AssignmentDescriptionKey {
  	private static final Logger LOG = Logger.getLogger(AssignmentDescriptionKey.class);
  
  	private Long jobNumber;
  	private Long workArea;
  	private Long task;
  
      public AssignmentDescriptionKey() {
  
      }
  
      // djunk - added this constructor since we are essentially working on units
      // of assignments and their keys
      public AssignmentDescriptionKey(Assignment a) {
          if (a != null) {
              this.jobNumber = a.getJobNumber();
              this.workArea = a.getWorkArea();
              this.task = a.getTask();
          }
      }
  
  	public AssignmentDescriptionKey(String jobNumer, String workArea, String task) {
  		this.jobNumber = Long.parseLong(jobNumer);
  		this.workArea = Long.parseLong(workArea);
  		this.task = Long.parseLong(task);
  	}
  	public AssignmentDescriptionKey(Long jobNumer, Long workArea, Long task) {
  		this.jobNumber = jobNumer;
  		this.workArea = workArea;
  		this.task = task;
  	}
  	public AssignmentDescriptionKey(String assignmentKey) {
  
  		try {
  		Pattern keyPattern = Pattern.compile("^\\d{1,}_\\d{1,}_\\d{1,}");
  		Matcher match = keyPattern.matcher(assignmentKey);
  		if(!match.matches()) {
  			throw new RuntimeException("the format of the assignment key is wrong. it should be jobNumber_workArea_task");
  		}
  
  		String[] key = assignmentKey.split(TkConstants.ASSIGNMENT_KEY_DELIMITER);
  
  		this.jobNumber = Long.parseLong(key[0]);
  		this.workArea = Long.parseLong(key[1]);
  		this.task = Long.parseLong(key[2]);
  		}
  		catch(NullPointerException npe) {
  			LOG.error("The assignment key is null");
  		}
  
  	}
  	public Long getJobNumber() {
  		return jobNumber;
  	}
  	public void setJobNumber(Long jobNumber) {
  		this.jobNumber = jobNumber;
  	}
  	public Long getWorkArea() {
  		return workArea;
  	}
  	public void setWorkArea(Long workArea) {
  		this.workArea = workArea;
  	}
  	public Long getTask() {
  		return task;
  	}
  	public void setTask(Long task) {
  		this.task = task;
  	}
  
      @Override
      public String toString() {
          return "jobNumber: " + jobNumber + "; workArea: " + workArea + "; task: " + task;
      }
  
      public String toAssignmentKeyString() {
         return jobNumber + TkConstants.ASSIGNMENT_KEY_DELIMITER + workArea + TkConstants.ASSIGNMENT_KEY_DELIMITER + task;
     }
 
 
     public static String getAssignmentKeyString(Assignment a) {
         return a.getJobNumber() + TkConstants.ASSIGNMENT_KEY_DELIMITER + a.getWorkArea() + TkConstants.ASSIGNMENT_KEY_DELIMITER + a.getTask();
     }
 }