/**
    * Copyright 2005-2014 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.rice.kew.api.document;
  
  import javax.xml.bind.annotation.XmlEnum;
  import javax.xml.bind.annotation.XmlEnumValue;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  
  import org.kuali.rice.core.api.mo.common.Coded;
  
  import java.util.EnumSet;
  
  /**
   * An enumeration representing valid workflow document statuses.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  @XmlRootElement(name = "documentStatus")
  @XmlType(name = "DocumentStatusType")
  @XmlEnum
  public enum DocumentStatus implements Coded {
  
  	@XmlEnumValue("I") INITIATED("I", DocumentStatusCategory.PENDING),
  	@XmlEnumValue("S") SAVED("S", DocumentStatusCategory.PENDING),
  	@XmlEnumValue("R") ENROUTE("R", DocumentStatusCategory.PENDING),
      @XmlEnumValue("E") EXCEPTION("E", DocumentStatusCategory.PENDING),
  	@XmlEnumValue("P") PROCESSED("P", DocumentStatusCategory.SUCCESSFUL),
  	@XmlEnumValue("F") FINAL("F", DocumentStatusCategory.SUCCESSFUL),
  	@XmlEnumValue("X") CANCELED("X", DocumentStatusCategory.UNSUCCESSFUL),
  	@XmlEnumValue("D") DISAPPROVED("D", DocumentStatusCategory.UNSUCCESSFUL),
      /**
       * When invoked, RECALL & CANCEL action will perform the RECALL and set the route status of the document to the new, terminal status of RECALLED
       * @since 2.1
       */
      @XmlEnumValue("L") RECALLED("L", DocumentStatusCategory.UNSUCCESSFUL);
  
  	private final String code;
      private final DocumentStatusCategory category;
  
  	private DocumentStatus(String code, DocumentStatusCategory category) {
  		this.code = code;
          this.category = category;
  	}
  
  	@Override
  	public String getCode() {
  		return code;
  	}
  
      public DocumentStatusCategory getCategory() {
          return category;
      }
  
  	public String getLabel() {
  	    return name();
  	}
  
  	public static DocumentStatus fromCode(String code) {
  		if (code == null) {
  			return null;
  		}
  		for (DocumentStatus status : values()) {
  			if (status.code.equals(code)) {
  				return status;
  			}
  		}
  		throw new IllegalArgumentException("Failed to locate the DocumentStatus with the given code: " + code);
  	}
  
      public static EnumSet<DocumentStatus> getStatusesForCategory(DocumentStatusCategory category) {
          if (category == null) {
              throw new IllegalArgumentException("category was null");
          }
          EnumSet<DocumentStatus> categoryStatuses = EnumSet.noneOf(DocumentStatus.class);
          for (DocumentStatus status : values()) {
  			if (status.category == category) {
  				categoryStatuses.add(status);
  			}
  		}
          return categoryStatuses;
      }
  
  }