/**
    * Copyright 2004-2014 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.kpme.core.api.assignment;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.kpme.core.api.util.HrApiConstants;
  import org.kuali.kpme.core.api.util.KpmeUtils;
  
  public class AssignmentDescriptionKey {
  
  	private String groupKeyCode;
      private Long jobNumber;
  	private Long workArea;
  	private Long task;
  	
  	public static AssignmentDescriptionKey get(String assignmentDescriptionKeyString) {
  		//AssignmentDescriptionKey assignmentDescriptionKey = new AssignmentDescriptionKey();
  		
  		Pattern keyPattern = Pattern.compile(".*?_\\d{1,}_\\d{1,}_\\d{1,}");
  		Matcher match = keyPattern.matcher(assignmentDescriptionKeyString);
  		if (match.matches()) {
  			String[] key = StringUtils.split(assignmentDescriptionKeyString, HrApiConstants.ASSIGNMENT_KEY_DELIMITER);
              String groupKeyCode = key[0];
  			Long jobNumber = Long.parseLong(key[1]);
  			Long workArea = Long.parseLong(key[2]);
  			Long task = Long.parseLong(key[3]);
              return new AssignmentDescriptionKey(groupKeyCode, jobNumber, workArea, task);
  		}
  		
  		return new AssignmentDescriptionKey();
  	}
  
      public static AssignmentDescriptionKey create(String groupKeyCode, Long jobNumer, Long workArea, Long task) {
          return new AssignmentDescriptionKey(groupKeyCode, jobNumer, workArea, task);
      }
  	
  	public AssignmentDescriptionKey() {
  	}
  
      public AssignmentDescriptionKey(AssignmentContract assignment) {
          if (assignment != null) {
              this.groupKeyCode = assignment.getGroupKeyCode();
              this.jobNumber = assignment.getJobNumber();
              this.workArea = assignment.getWorkArea();
              this.task = assignment.getTask();
          }
      }
  
  	public AssignmentDescriptionKey(String groupKeyCode, Long jobNumer, Long workArea, Long task) {
          this.groupKeyCode = groupKeyCode;
  		this.jobNumber = jobNumer;
  		this.workArea = workArea;
  		this.task = task;
  	}
  
      public String getGroupKeyCode() {
          return groupKeyCode;
      }
  	public Long getJobNumber() {
  		return jobNumber;
  	}
  
  	public Long getWorkArea() {
  		return workArea;
  	}
  
  	public Long getTask() {
  		return task;
  	}
  
      public String toAssignmentKeyString() {
          return KpmeUtils.formatAssignmentKey(groupKeyCode, jobNumber, workArea, task);
      }
  
      public static String getAssignmentKeyString(AssignmentContract a) {
      	return KpmeUtils.formatAssignmentKey(a.getGroupKeyCode(), a.getJobNumber(), a.getWorkArea(), a.getTask());
      }
      
      @Override
      public String toString() {
          return "groupKeyCode: " + groupKeyCode + "; jobNumber: " + jobNumber + "; workArea: " + workArea + "; task: " + task;
      }
      
 }