/*******************************************************************************
 * Copyright (c) 2012-present Jakub Kováč, Jozef Brandýs, Katarína Kotrlová,
 * Pavol Lukča, Ladislav Pápay, Viktor Tomkovič, Tatiana Tóthová
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package algvis.ds.dictionaries.treap;

import java.awt.Color;

import algvis.core.DataStructure;
import algvis.core.Node;
import algvis.core.NodeColor;
import algvis.ds.dictionaries.bst.BSTNode;

public class TreapNode extends BSTNode {
    final double p;

    private TreapNode(DataStructure D, int key, int x, int y, int zDepth) {
        super(D, key, x, y, zDepth);
        p = Math.random();
        bgPColor();
    }

    public TreapNode(DataStructure D, int key, int zDepth) {
        this(D, key, 0, Node.UPY, zDepth);
    }

    @Override
    public TreapNode getLeft() {
        return (TreapNode) super.getLeft();
    }

    @Override
    public TreapNode getRight() {
        return (TreapNode) super.getRight();
    }

    @Override
    public TreapNode getParent() {
        return (TreapNode) super.getParent();
    }

    void bgPColor() {
        bgColor(new Color(255, 255 - (int) Math.round(100 * p), 0));
    }

    @Override
    public void setColor(NodeColor color) {
        if (color == NodeColor.NORMAL) {
            bgPColor();
            fgColor(color.fgColor);
        } else {
            super.setColor(color);
        }
    }
}