package org.simantics.g3d.csg.actions;

import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import javax.vecmath.Quat4d;
import javax.vecmath.Vector3d;

import org.eclipse.jface.action.Action;
import org.simantics.g3d.csg.scenegraph2.CSGparentNode;
import org.simantics.g3d.csg.scenegraph2.CSGrootNode;
import org.simantics.g3d.csg.scenegraph2.ICSGnode;
import org.simantics.utils.ui.ExceptionUtils;

public class AddBooleanOpAction2 extends Action {
	CSGrootNode root;
	Class<? extends CSGparentNode> booleanClass;
	Collection<ICSGnode> nodes;
	
	public AddBooleanOpAction2(CSGrootNode root, Class<? extends CSGparentNode> booleanClass, Collection<ICSGnode> nodes) {
		super();
		String name = booleanClass.getSimpleName();
		if (name.endsWith("Node"))
			name = name.substring(0,name.length()-4);
		setText(name);
		this.booleanClass = booleanClass;
		this.nodes = nodes;
		this.root = root;
		if (nodes.size() != 2)
			setEnabled(false);
		for (ICSGnode node : nodes) {
			if (!node.getParent().equals(root))
				setEnabled(false);
		}
	}
	
	@Override
	public void run() {
		try {
			CSGparentNode booleanNode = booleanClass.newInstance();
			Map<ICSGnode,Vector3d> positions = new HashMap<ICSGnode, Vector3d>();
			Map<ICSGnode,Quat4d> orientations = new HashMap<ICSGnode, Quat4d>();
			for (ICSGnode node : nodes) {
				positions.put(node, node.getWorldPosition());
				orientations.put(node, node.getWorldOrientation());
				//root.remChild(node);
				node.deattach();
			}
			Iterator<ICSGnode> iter = nodes.iterator();
			booleanNode.addPrimaryChild(iter.next());
			booleanNode.addSecondaryChild(iter.next());
			
			String name = root.getUniqueName(booleanNode.getClass().getSimpleName());
			booleanNode.setName(name);
			
			root.addChild(booleanNode);
			for (ICSGnode node : nodes) {
				node.setWorldPosition(positions.get(node));
				node.setWorldOrientation(orientations.get(node));
			}
			root.getNodeMap().commit();
		} catch (Exception e) {
			ExceptionUtils.logAndShowError("Cannot create boolean operation.", e);
		}
	}

}