/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.xml.diff3;

import org.jdom2.Element;

/**
 * This conflict occurs when 2 Elements are inserted under the same parent and that the parent cannot accept more than one child of this
 * type. This is checked against xml mappings.
 * 
 * @author bmangez
 * 
 */
public class UnresolvedInsertionConflict extends UnresolvedConflict {

	private Element _parent;
	private Element _existingChild;
	private Element _rejectedChild;

	public UnresolvedInsertionConflict(XMLDiff3 merge, int index, Element parent, Element existingChild, Element rejectedChild) {
		super(merge, index);
		_parent = parent;
		_existingChild = existingChild;
		_rejectedChild = rejectedChild;
	}

	@Override
	public String toString() {
		return "Element " + _parent.getName() + " (id=" + _parent.getAttributeValue("id") + ") can only accept one child named "
				+ _existingChild.getName() + "\n" + "\texisting child :" + getExistingChildName() + "\n" + "\trejected child :"
				+ getRejectedChildName();
	}

	public String getExistingChildName() {
		return _existingChild.getName() + "(id=" + _existingChild.getAttributeValue("id") + ")";
	}

	public String getRejectedChildName() {
		return _rejectedChild.getName() + "(id=" + _rejectedChild.getAttributeValue("id") + ")";
	}

	@Override
	public MergeAction buildDiscardYourChangeAction() {
		return new MergeElementAction(getConflictIndex(), MergeActionType.DONOTHING, _parent, _existingChild, _rejectedChild, -1);
	}

	@Override
	public MergeAction buildKeepYourChangeAction() {
		return new InsertionSwapAction(getConflictIndex(), _parent, _rejectedChild, _existingChild);
	}
}