/**
    * The contents of this file are subject to the Mozilla Public License Version 1.1
    * (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.mozilla.org/MPL/
    * Software distributed under the License is distributed on an "AS IS" basis,
    * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
    * specific language governing rights and limitations under the License.
    *
    * The Original Code is ""  Description:
   * ""
   *
   * The Initial Developer of the Original Code is University Health Network. Copyright (C)
   * 2001.  All Rights Reserved.
   *
   * Contributor(s): ______________________________________.
   *
   * Alternatively, the contents of this file may be used under the terms of the
   * GNU General Public License (the  "GPL"), in which case the provisions of the GPL are
   * applicable instead of those above.  If you wish to allow use of your version of this
   * file only under the terms of the GPL and not to allow others to use your version
   * of this file under the MPL, indicate your decision by deleting  the provisions above
   * and replace  them with the notice and other provisions required by the GPL License.
   * If you do not delete the provisions above, a recipient may use your version of
   * this file under either the MPL or the GPL.
   */
  package ca.uhn.hl7v2.testpanel.model.conf;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import ca.uhn.hl7v2.HL7Exception;
  import ca.uhn.hl7v2.conf.spec.message.Seg;
  import ca.uhn.hl7v2.model.AbstractSegment;
  import ca.uhn.hl7v2.model.Type;
  
  
  public class ConformanceSegment extends AbstractSegment implements ConformanceStructure<ConformanceSegment> {
  
  	private static final Object[] EMPTY_OBJECT_ARRAY = new Object[0];
  	private Seg myConfDefinition;
  	private List<Integer> myMinReps = new ArrayList<Integer>();
  	private List<Boolean> myPrototypeHasBeenUsed = new ArrayList<Boolean>();
  	private List<ConformanceType<?>> myPrototypes = new ArrayList<ConformanceType<?>>();
  
  	public ConformanceSegment(ConformanceStructureHolder theParent, Seg theConfDefinition) {
  		super(theParent, ((ConformanceMessage)theParent.getMessage()).getModelClassFactory());
  		
  		myConfDefinition = theConfDefinition;
  	}
  
  	@Override
  	public ConformanceMessage getMessage() {
  		return (ConformanceMessage) super.getMessage();
  	}
  
  	/**
  	 * Add a child prototype
  	 */
  	void addChild(ConformanceType<?> theChild, String theName, int theMinReps, int theMaxReps, int theLength) throws HL7Exception {
  		super.add(theChild.getClass(), theMinReps > 0, theMaxReps, theLength, EMPTY_OBJECT_ARRAY, theName);
  
  		myMinReps.add(theMinReps);
  		myPrototypes.add(theChild);
  		myPrototypeHasBeenUsed.add(Boolean.FALSE);
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	@Override
  	public String getName() {
  		return myConfDefinition.getName();
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	@Override
  	protected Type createNewTypeWithoutReflection(int theField) {
  		if (Boolean.TRUE.equals(myPrototypeHasBeenUsed.get(theField))) {
  			return myPrototypes.get(theField).instantiateClone();
  		}
  		
  		myPrototypeHasBeenUsed.set(theField, Boolean.TRUE);
  		return myPrototypes.get(theField);
  	}
  	
  	/**
  	 * @return the confDefinition
  	 */
  	public Seg getConfDefinition() {
  		return myConfDefinition;
  	}
  
  	public int getMinReps(int theFieldNum) {
  		return myMinReps.get(theFieldNum-1);
  	}
  	
  	/**
 	 * Create a clone of this segment (for the same message)
 	 */
 	public ConformanceSegment instantiateClone() throws HL7Exception {
 		ConformanceSegment retVal = new ConformanceSegment((ConformanceStructureHolder) getParent(), myConfDefinition);
 		
 		int index = 0;
 		for (ConformanceType<?> next : myPrototypes) {
 			ConformanceType<?> clone = next.instantiateClone();
 			index++;
 			retVal.addChild(clone, getNames()[index-1], getMinReps(index), getMaxCardinality(index), getLength(index));
 		}
 		
 		return retVal;
 	}
 
 	public short getMinReps() {
 		return myConfDefinition.getMin();
 	}
 
 	public short getMaxReps() {
 		return myConfDefinition.getMax();
 	}
 	
 }