package org.simantics.processeditor.adapters;

import javax.vecmath.Point3d;
import javax.vecmath.Vector3d;

import org.simantics.db.Graph;
import org.simantics.db.Resource;
import org.simantics.db.adaption.AdaptionException;
import org.simantics.db.adaption.ResourceAdapter;
import org.simantics.layer0.utils.EntityFactory;
import org.simantics.layer0.utils.IEntity;
import org.simantics.processeditor.ProcessResource;
import org.simantics.processeditor.actions.PositionType;
import org.simantics.processeditor.common.ControlPointTools;
import org.simantics.processeditor.common.PipingTools2.Direction;
import org.simantics.proconf.g3d.base.Constraint;
import org.simantics.proconf.g3d.base.G3DTools;


public class TurnComponentConstraintAdapter implements ResourceAdapter {
	@SuppressWarnings("unchecked")
	@Override
	public <T> T adapt(Graph graph, Resource resource, Resource mia) throws AdaptionException {
		Constraint c = new Constraint();
		assert(graph.isInstanceOf(resource, ProcessResource.plant3Dresource.TurnComponent));
		IEntity ent = EntityFactory.create(graph,resource);
		IEntity pcp = ent.getSingleRelatedObject(ProcessResource.plant3Dresource.HasControlPoint);
		
		Point3d center = G3DTools.getPoint(pcp.getSingleRelatedObject(ProcessResource.g3dResource.HasWorldPosition));
		Point3d p1 = ControlPointTools.getRealPosition(pcp, PositionType.NEXT);
		Point3d p2 = ControlPointTools.getRealPosition(pcp, PositionType.PREVIOUS);
		Vector3d dir1 = ControlPointTools.getPathLegDirection(pcp, Direction.NEXT);
		Vector3d dir2 = ControlPointTools.getPathLegDirection(pcp, Direction.PREVIOUS);
		c.points.add(center);
		c.points.add(p1);
		c.points.add(p2);
		c.dirs.add(dir1);
		c.dirs.add(dir2);
		return (T) c;
	}

}