package dev.kske.chess.ui;

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.Toolkit;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.game.Game;
import dev.kske.chess.game.NaturalPlayer;

/**
 * Project: <strong>Chess</strong><br>
 * File: <strong>MainWindow.java</strong><br>
 * Created: <strong>01.07.2019</strong><br>
 * Author: <strong>Kai S. K. Engelbart</strong>
 */
public class MainWindow {

	private JFrame		mframe;
	private JButton		btnRestart, btnSwapColors;
	private BoardPane	boardPane;
	private Game		game;
	private Color		activeColor;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {

			public void run() {
				try {
					MainWindow window = new MainWindow();
					window.mframe.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the application.
	 */
	public MainWindow() {
		initialize();
	}

	/**
	 * Initialize the contents of the frame.
	 */
	private void initialize() {
		mframe = new JFrame("Chess by Kai S. K. Engelbart");
		mframe.setResizable(false);
		mframe.setBounds(100, 100, 494, 565);
		mframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		mframe.setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("/pieces/queen_white.png")));

		boardPane = new BoardPane();
		mframe.getContentPane().add(boardPane, BorderLayout.CENTER);

		JPanel toolPanel = new JPanel();
		btnRestart = new JButton("Restart");
		btnRestart.addActionListener((evt) -> { if (game != null) game.reset(); game.start(); });

		activeColor		= Color.WHITE;
		btnSwapColors	= new JButton("Play as black");
		btnSwapColors.addActionListener((evt) -> {
			game.swapColors();
			btnSwapColors.setText("Play as " + activeColor.toString().toLowerCase());
			activeColor = activeColor.opposite();
		});

		toolPanel.add(btnRestart);
		toolPanel.add(btnSwapColors);
		mframe.getContentPane().add(toolPanel, BorderLayout.NORTH);

		JPanel letterPanel = new JPanel(new GridLayout(1, 8));
		for (int i = 0; i < 8; i++) {
			JLabel letterLabel = new JLabel(String.valueOf((char) (65 + i)));
			letterLabel.setHorizontalAlignment(JLabel.CENTER);
			letterPanel.add(letterLabel);
		}
		mframe.add(letterPanel, BorderLayout.SOUTH);

		JPanel numberPanel = new JPanel(new GridLayout(8, 1));
		for (int i = 0; i < 8; i++)
			numberPanel.add(new JLabel(String.valueOf(8 - i)));
		mframe.add(numberPanel, BorderLayout.EAST);

		mframe.setJMenuBar(new MenuBar(this));

		mframe.pack();
		mframe.setLocationRelativeTo(null);
	}

	public BoardPane getBoardPane() { return boardPane; }

	public Game getGame() { return game; }

	public void setGame(Game game) {
		if (this.game != null) this.game.disconnect();
		this.game = game;
		btnSwapColors.setEnabled(game.getPlayers().get(Color.WHITE) instanceof NaturalPlayer
				^ game.getPlayers().get(Color.BLACK) instanceof NaturalPlayer);
	}
}