import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.*;

import javax.swing.*;

public class Board extends JPanel implements ActionListener {
    static final long serialVersionUID = 1;

    boolean isFirst = true;
    int finI;
    int finJ;
    int finPos;
    int startPos;
    int startI;
    int startJ;
    WhiteChecker w;
    BlackChecker b;
    WhiteCheckerWW ww;
    BlackCheckerBB bb;
    public Image img;
    Timer time;
    static boolean nextTurn = false;

    public Board() {

        w = new WhiteChecker();
        b = new BlackChecker();
        ww = new WhiteCheckerWW();
        bb = new BlackCheckerBB();

        addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                if (isFirst == true
                        && (Checker.hist[e.getX() / 44][e.getY() / 44] == 2 || Checker.hist[e
                                .getX() / 44][e.getY() / 44] == 3)) {
                    pressed(e.getX(), e.getY());
                    isFirst = false;
                    nextTurn = true;
                }
                if (nextTurn == false
                        && (Checker.hist[e.getX() / 44][e.getY() / 44] == 2 || Checker.hist[e
                                .getX() / 44][e.getY() / 44] == 3)) {
                    pressed(e.getX(), e.getY());
                    nextTurn = true;
                }
                if (isFirst == false
                        && nextTurn == true
                        && (Checker.hist[e.getX() / 44][e.getY() / 44] == 1 || Checker.hist[e
                                .getX() / 44][e.getY() / 44] == 5)) {
                    pressed(e.getX(), e.getY());
                    nextTurn = false;
                }

            }

            public void mouseReleased(MouseEvent e) {

                finI = e.getX() / 44;
                finJ = e.getY() / 44;
                startPos = Checker.hist[startI][startJ];
                finPos = Checker.hist[finI][finJ];

                if (((quarter(finI, finJ) == 1 || quarter(finI, finJ) == 2) && startPos == 2)
                        || ((quarter(finI, finJ) == 4 || quarter(finI, finJ) == 3) && startPos == 1)) {
                    if (Math.abs(startI - finI) == 1
                            && Math.abs(startJ - finJ) == 1) {
                        move(finI, finJ);

                    }
                }
                if ((startPos == 3 || startPos == 5)
                        && Math.abs(startI - finI) == Math.abs(startJ - finJ)) {
                    move(finI, finJ);
                }
                remove(finI, finJ);

            }
        });
        setFocusable(true);
        ImageIcon i = new ImageIcon("src/1.gif");
        img = i.getImage();
        time = new Timer(5, this);
        time.start();
    }

    public void actionPerformed(ActionEvent e) {
        repaint();
    }

    public void pressed(int x, int y) {
        for (int j = 0; j < 8; j++) {
            for (int i = 0; i < 8; i++) {
                if (i == x / 44 && j == y / 44) {
                    startI = i;
                    startJ = j;
                }
            }
        }
    }

    public void move(int finI, int finJ) {
        if (Checker.hist[finI][finJ] == 4) {
            int temp;
            temp = Checker.hist[finI][finJ];
            Checker.hist[finI][finJ] = Checker.hist[startI][startJ];
            Checker.hist[startI][startJ] = temp;
            if (finJ == 7 && startPos == 1)
                Checker.hist[finI][finJ] = 5;
            if (finJ == 0 && startPos == 2)
                Checker.hist[finI][finJ] = 3;
        }
    }

    public int quarter(int finI, int finJ) {
        int rez = 0;
        if (finI < startI && finJ < startJ) {
            rez = 1;
        }
        if (finI > startI && finJ < startJ) {
            rez = 2;
        }
        if (finI > startI && finJ > startJ) {
            rez = 3;
        }
        if (finI < startI && finJ > startJ) {
            rez = 4;
        }
        return rez;
    }

    public void remove(int finI, int finJ) {
        if (Math.abs(startI - finI) == 2 && Math.abs(startJ - finJ) == 2) {
            if (quarter(finI, finJ) == 1
                    && startPos != Checker.hist[finI + 1][finJ + 1]) {
                Checker.hist[finI + 1][finJ + 1] = 4;
                move(finI, finJ);
            }
            if (quarter(finI, finJ) == 2
                    && startPos != Checker.hist[finI - 1][finJ + 1]) {
                move(finI, finJ);
                Checker.hist[finI - 1][finJ + 1] = 4;
            }
            if (quarter(finI, finJ) == 3
                    && startPos != Checker.hist[finI - 1][finJ - 1]) {
                move(finI, finJ);
                Checker.hist[finI - 1][finJ - 1] = 4;
            }
            if (quarter(finI, finJ) == 4
                    && startPos != Checker.hist[finI + 1][finJ - 1]) {
                move(finI, finJ);
                Checker.hist[finI + 1][finJ - 1] = 4;
            }
        }

        if (startPos == 3 && quarter(finI + 1, finJ) == 1) {
            int dead = 0;
            int tempI = 0;
            int tempJ = 0;
            for (int i = finI + 1; i < startI; i++) {
                for (int j = finJ + 1; i < startJ; j++) {

                    if (Checker.hist[i][j] == 1 || Checker.hist[i][j] == 5) {
                        if (i == j) {
                            dead++;
                            tempI = i;
                            tempJ = j;
                        }
                    }

                }

            }
            if (dead == 1) {
                Checker.hist[tempI][tempJ] = 4;
                move(finI, finJ);
            }

        }
    }

    public void paint(Graphics g) {
        Graphics g2d = g;
        g2d.drawImage(img, 0, 0, null);
        for (int j = 0; j < 8; j++) {
            for (int i = 0; i < 8; i++) {
                if (Checker.hist[i][j] == 1) {
                    g2d.drawImage(b.getImage(), i * 44, j * 44, null);
                }
                if (Checker.hist[i][j] == 2) {
                    g2d.drawImage(w.getImage(), i * 44, j * 44, null);
                }
                if (Checker.hist[i][j] == 3) {
                    g2d.drawImage(ww.getImage(), i * 44, j * 44, null);
                }
                if (Checker.hist[i][j] == 5) {
                    g2d.drawImage(bb.getImage(), i * 44, j * 44, null);
                }
            }
        }
    }
}