/FileExtraction/Java_unseen/DarkiBoi_Osiris/src/main/java/me/finz0/osiris/util/snake/Board.java
package me.finz0.osiris.util.snake;

import net.minecraft.client.Minecraft;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.Timer;

public class Board extends JPanel implements ActionListener {

    private final int B_WIDTH = 300;
    private final int B_HEIGHT = 300;
    private final int DOT_SIZE = 10;
    private final int ALL_DOTS = 900;
    private final int RAND_POS = 29;
    private final int DELAY = 140;

    private final int x[] = new int[ALL_DOTS];
    private final int y[] = new int[ALL_DOTS];

    private int dots;
    private int apple_x;
    private int apple_y;

    private boolean leftDirection = false;
    private boolean rightDirection = true;
    private boolean upDirection = false;
    private boolean downDirection = false;
    private boolean inGame = true;

    private Timer timer;
    private Image ball;
    private Image apple;
    private Image head;

    int score;

    boolean paused = false;

    public Board() {

        initBoard();
    }

    private void initBoard() {

        addKeyListener(new TAdapter());
        setBackground(Color.black);
        setFocusable(true);

        setPreferredSize(new Dimension(B_WIDTH, B_HEIGHT));
        loadImages();
        initGame();
    }

    private void loadImages() {

        ImageIcon iid = new ImageIcon("Osiris/Snake/dot.png");
        ball = iid.getImage();

        ImageIcon iia = new ImageIcon("Osiris/Snake/apple.png");
        apple = iia.getImage();

        ImageIcon iih = new ImageIcon("Osiris/Snake/head.png");
        head = iih.getImage();
    }

    private void initGame() {
        paused = false;

        dots = 3;

        for (int z = 0; z < dots; z++) {
            x[z] = 50 - z * 10;
            y[z] = 50;
        }

        locateApple();
        score = 0;

        timer = new Timer(DELAY, this);
        timer.start();
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);

        doDrawing(g);
    }

    private void doDrawing(Graphics g) {

        if (inGame) {
                g.drawImage(apple, apple_x, apple_y, this);

                for (int z = 0; z < dots; z++) {
                    if (z == 0) {
                        g.drawImage(head, x[z], y[z], this);
                    } else {
                        g.drawImage(ball, x[z], y[z], this);
                    }
                }

                if(paused)
                    paused(g);

                Toolkit.getDefaultToolkit().sync();

        } else {

            gameOver(g);
        }
    }

    private void gameOver(Graphics g) {

        String msg = "Score: " + score;
        Font small = new Font("Helvetica", Font.BOLD, 14);
        FontMetrics metr = getFontMetrics(small);

        g.setColor(Color.white);
        g.setFont(small);
        g.drawString(msg, (B_WIDTH - metr.stringWidth(msg)) / 2, B_HEIGHT / 2);
        if(Minecraft.getMinecraft().player != null)
            Minecraft.getMinecraft().player.sendChatMessage("I just got a score of " + score + " in Snake thanks to Osiris!");
    }

    private void paused(Graphics g){
        String msg = "Paused";
        Font small = new Font("Helvetica", Font.BOLD, 20);
        FontMetrics metr = getFontMetrics(small);

        g.setColor(Color.white);
        g.setFont(small);
        g.drawString(msg, (B_WIDTH - metr.stringWidth(msg)) / 2, B_HEIGHT / 2);
    }

    private void checkApple() {

        if ((x[0] == apple_x) && (y[0] == apple_y)) {

            dots++;
            locateApple();
            score++;
        }
    }

    private void move() {

            for (int z = dots; z > 0; z--) {
                x[z] = x[(z - 1)];
                y[z] = y[(z - 1)];
            }

            if (leftDirection) {
                x[0] -= DOT_SIZE;
            }

            if (rightDirection) {
                x[0] += DOT_SIZE;
            }

            if (upDirection) {
                y[0] -= DOT_SIZE;
            }

            if (downDirection) {
                y[0] += DOT_SIZE;
            }
    }

    private void checkCollision() {

        for (int z = dots; z > 0; z--) {

            if ((z > 4) && (x[0] == x[z]) && (y[0] == y[z])) {
                inGame = false;
            }
        }

        if (y[0] >= B_HEIGHT) {
            inGame = false;
        }

        if (y[0] < 0) {
            inGame = false;
        }

        if (x[0] >= B_WIDTH) {
            inGame = false;
        }

        if (x[0] < 0) {
            inGame = false;
        }

        if (!inGame) {
            timer.stop();
        }
    }

    private void locateApple() {

        int r = (int) (Math.random() * RAND_POS);
        apple_x = ((r * DOT_SIZE));

        r = (int) (Math.random() * RAND_POS);
        apple_y = ((r * DOT_SIZE));
    }

    @Override
    public void actionPerformed(ActionEvent e) {

        if (inGame) {
            if(!paused) {
                checkApple();
                checkCollision();
                move();
            } else {

            }
        }

        repaint();
    }

    private class TAdapter extends KeyAdapter {

        @Override
        public void keyPressed(KeyEvent e) {

            int key = e.getKeyCode();

            if(!paused) {

                if ((key == KeyEvent.VK_LEFT) && (!rightDirection)) {
                    leftDirection = true;
                    upDirection = false;
                    downDirection = false;
                }

                if ((key == KeyEvent.VK_RIGHT) && (!leftDirection)) {
                    rightDirection = true;
                    upDirection = false;
                    downDirection = false;
                }

                if ((key == KeyEvent.VK_UP) && (!downDirection)) {
                    upDirection = true;
                    rightDirection = false;
                    leftDirection = false;
                }

                if ((key == KeyEvent.VK_DOWN) && (!upDirection)) {
                    downDirection = true;
                    rightDirection = false;
                    leftDirection = false;
                }
            }

            if(key == KeyEvent.VK_ESCAPE || key == KeyEvent.VK_P){
                paused = !paused;
            }
        }
    }
}