/**
    * Copyright 2005-2012 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.rice.kew.api.action;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlAnyElement;
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  
  import org.kuali.rice.core.api.CoreConstants;
  import org.kuali.rice.core.api.mo.ModelBuilder;
  import org.kuali.rice.kew.api.KewApiConstants;
  import org.kuali.rice.kew.api.actionlist.DisplayParameters;
  import org.w3c.dom.Element;
  
  
  /**
   * Specifies a set of Action codes.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @XmlRootElement(name = ActionSet.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = ActionSet.Constants.TYPE_NAME, propOrder = {
      ActionSet.Elements.ACTION_SET_LIST,
      CoreConstants.CommonElements.FUTURE_ELEMENTS
  })
  public final class ActionSet implements Serializable, ActionSetContract {
  
  	private static final long serialVersionUID = 7857749268529671300L;
  	
  	@XmlElement(name = Elements.ACTION_SET_LIST, required = false)
  	private List<String> actionSetList;
  	
  	@SuppressWarnings("unused")
      @XmlAnyElement
      private final Collection<Element> _futureElements = null;
  	
  	/**
       * Private constructor used only by JAXB.
       * 
       */
  	private ActionSet() {
  	    this.actionSetList = null;
  	}
  	
  	/**
       * Constructs an ActionSet from the given builder.  This constructor is private and should only
       * ever be invoked from the builder.
       * 
       * @param builder the Builder from which to construct the ActionSet
       */
  	private ActionSet(Builder builder) {
  	    this.actionSetList = builder.getActionSet();
  	}
  	
  	@Override
  	public boolean hasAction(String actionCode) {
  		return actionSetList != null && actionSetList.contains(actionCode);
  	}
  	
  	@Override
  	public boolean addAction(String actionCode) {
  		if (!actionSetList.contains(actionCode)) {
  			actionSetList.add(actionCode);
  			return true;
  		}
  		return false;
  	}
  	
  	@Override
  	public boolean removeAction(String actionCode) {
  		return actionSetList.remove(actionCode);
  	}
  	
  	// some convienance methods for common actions
  	@Override
  	public boolean hasApprove() {
  		return hasAction(KewApiConstants.ACTION_TAKEN_APPROVED_CD);
 	}
 	
 	@Override
 	public boolean hasComplete() {
 		return hasAction(KewApiConstants.ACTION_TAKEN_COMPLETED_CD);
 	}
 	
 	@Override
 	public boolean hasAcknowledge() {
 		return hasAction(KewApiConstants.ACTION_TAKEN_ACKNOWLEDGED_CD);
 	}
 	
 	@Override
 	public boolean hasFyi() {
 		return hasAction(KewApiConstants.ACTION_TAKEN_FYI_CD);
 	}
 	
 	@Override
 	public boolean hasDisapprove() {
 		return hasAction(KewApiConstants.ACTION_TAKEN_DENIED_CD);
 	}
 	
 	@Override
 	public boolean hasCancel() {
 		return hasAction(KewApiConstants.ACTION_TAKEN_CANCELED_CD);
 	}
 
 	@Override
     public boolean hasRouted() {
         return hasAction(KewApiConstants.ACTION_TAKEN_ROUTED_CD);
     }
 
 	@Override
 	public boolean addApprove() {
 		return addAction(KewApiConstants.ACTION_TAKEN_APPROVED_CD);
 	}
 	
 	@Override
 	public boolean addComplete() {
 		return addAction(KewApiConstants.ACTION_TAKEN_COMPLETED_CD);
 	}
 	
 	@Override
 	public boolean addAcknowledge() {
 		return addAction(KewApiConstants.ACTION_TAKEN_ACKNOWLEDGED_CD);
 	}
 	
 	@Override
 	public boolean addFyi() {
 		return addAction(KewApiConstants.ACTION_TAKEN_FYI_CD);
 	}
 	
 	@Override
 	public boolean addDisapprove() {
 		return addAction(KewApiConstants.ACTION_TAKEN_DENIED_CD);
 	}
 	
 	@Override
 	public boolean addCancel() {
 		return addAction(KewApiConstants.ACTION_TAKEN_CANCELED_CD);
 	}
 
 	@Override
     public boolean addRouted() {
         return addAction(KewApiConstants.ACTION_TAKEN_ROUTED_CD);
     }
     
 	/**
      * A builder which can be used to construct {@link DisplayParameters} instances.  Enforces the constraints of the {@link DocumentContentContract}.
      */
 	public final static class Builder implements Serializable, ModelBuilder, ActionSetContract {
 	    
 	    private List<String> actionSet;
 	    
 	    /**
          * Private constructor for creating a builder with all of it's required attributes.
          */
 	    private Builder(List<String> actionSet) {
 	        setActionSetList(actionSet);
 	    }
 	    
 	    public static Builder create() {
 	        return new Builder(new ArrayList<String>());
 	    }
 	    
 	    /**
          * Creates a builder by populating it with data from the given {@linkActionSet}.
          * 
          * @param contract the contract from which to populate this builder
          * @return an instance of the builder populated with data from the contract
          */
 	    public static Builder create(ActionSetContract contract) {
 	        if (contract == null) {
                 throw new IllegalArgumentException("contract was null");
             }
             Builder builder = create();
             return builder;
 	    }
 	   
 	    public ActionSet build() {
 	        return new ActionSet(this);
 	    }
 	    public List<String> getActionSet() {
 	        return this.actionSet;
 	    }
 	    public void setActionSetList(List<String> actionSet) {
 	        this.actionSet = actionSet;
 	    }
 
         @Override
         public boolean hasAction(String actionCode) {
             return actionSet.contains(actionCode);
         }
 
         @Override
         public boolean addAction(String actionCode) {
             if (!actionSet.contains(actionCode)) {
                 actionSet.add(actionCode);
                 return true;
             }
             return false;
         }
 
         @Override
         public boolean removeAction(String actionCode) {
             return actionSet.remove(actionCode);
         }
 
         @Override
         public boolean hasApprove() {
             return hasAction(KewApiConstants.ACTION_TAKEN_APPROVED_CD);
         }
 
         @Override
         public boolean hasComplete() {
             return hasAction(KewApiConstants.ACTION_TAKEN_COMPLETED_CD);
         }
 
         @Override
         public boolean hasAcknowledge() {
             return hasAction(KewApiConstants.ACTION_TAKEN_ACKNOWLEDGED_CD);
         }
 
         @Override
         public boolean hasFyi() {
             return hasAction(KewApiConstants.ACTION_TAKEN_FYI_CD);
         }
 
         @Override
         public boolean hasDisapprove() {
             return hasAction(KewApiConstants.ACTION_TAKEN_DENIED_CD);
         }
 
         @Override
         public boolean hasCancel() {
             return hasAction(KewApiConstants.ACTION_TAKEN_CANCELED_CD);
         }
 
         @Override
         public boolean hasRouted() {
             return hasAction(KewApiConstants.ACTION_TAKEN_ROUTED_CD);
         }
 
         @Override
         public boolean addApprove() {
             return addAction(KewApiConstants.ACTION_TAKEN_APPROVED_CD);
         }
 
         @Override
         public boolean addComplete() {
             return addAction(KewApiConstants.ACTION_TAKEN_COMPLETED_CD);
         }
 
         /**
          * This overridden method ...
          * 
          * @see org.kuali.rice.kew.api.action.ActionSetContract#addAcknowledge()
          */
         @Override
         public boolean addAcknowledge() {
             return addAction(KewApiConstants.ACTION_TAKEN_ACKNOWLEDGED_CD);
         }
 
         @Override
         public boolean addFyi() {
             return addAction(KewApiConstants.ACTION_TAKEN_FYI_CD);
         }
 
         @Override
         public boolean addDisapprove() {
             return addAction(KewApiConstants.ACTION_TAKEN_DENIED_CD);
         }
 
         @Override
         public boolean addCancel() {
             return addAction(KewApiConstants.ACTION_TAKEN_CANCELED_CD);
         }
 
         @Override
         public boolean addRouted() {
             return addAction(KewApiConstants.ACTION_TAKEN_ROUTED_CD);
         }	        
 	}
 	
     /**
      * Defines some internal constants used on this class.
      * 
      */
     static class Constants {
 
         final static String ROOT_ELEMENT_NAME = "actionSet";
         final static String TYPE_NAME = "ActionSetType";
     }
 
     /**
      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
      * 
      */
     static class Elements {
 
         final static String ACTION_SET_LIST = "actionSetList";
     }
 }