package dev.kske.chess.ui;

import java.awt.Color;
import java.awt.Component;

import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.border.EmptyBorder;

import dev.kske.chess.board.MoveNode;

/**
 * Project: <strong>Chess</strong><br>
 * File: <strong>MoveNodeRenderer.java</strong><br>
 * Created: <strong>9 Oct 2019</strong><br>
 *
 * @since Chess v0.5-alpha
 * @author Kai S. K. Engelbart
 */
public class MoveNodeRenderer extends JLabel
	implements ListCellRenderer<MoveNode> {

	private static final long serialVersionUID = 5242015788752442446L;

	@Override
	public Component getListCellRendererComponent(
		JList<? extends MoveNode> list, MoveNode node, int index,
		boolean isSelected, boolean cellHasFocus
	) {
		setBorder(new EmptyBorder(5, 5, 5, 5));

		int numVariations
			= node.hasVariations() ? node.getVariations().size() : 0;
		setText(String.format("%s (%d)", node.move.toLAN(), numVariations));

		setBackground(isSelected ? Color.red : Color.white);
		setOpaque(true);
		return this;
	}
}