package com.company;
import java.util.Random;

public class Main {
    static Random r;
    static final String ANSI_WHITE_BACKGROUND = "\u001B[43m";
    static final String  ANSI_RED_BACKGROUND= "\u001B[41m";
    static final String ANSI_BLUE_BACKGROUND = "\u001B[44m";
    static final String ANSI_RESET = "\u001B[0m";
    public static void main(String[] args) {
        int [][] skin;
        skin = create(20,20);
        init(skin);
        putout(skin);
        r = new Random();
        for(int step = 1; step <= 11; step++) {
            for(int i = 0; i < skin.length; i++)
                for(int j = 0; j < skin[i].length; j++) {
                    if(skin[i][j] == -4){
                        skin[i][j] = 6;
                    }
                    else if(skin[i][j] != 6){
                        int cell = r.nextInt(8);
                        if(r.nextInt(2) == 1){
                            switch(cell){
                                case 0: infect(i-1, j-1, skin); break;
                                case 1: infect(i-1, j, skin); break;
                                case 2: infect(i-1, j+1, skin); break;
                                case 3: infect(i, j-1, skin); break;
                                case 4: infect(i, j+1, skin); break;
                                case 5: infect(i+1, j-1, skin); break;
                                case 6: infect(i+1, j, skin); break;
                                case 7: infect(i+1, j+1, skin); break;
                            }

                        }
                        skin[i][j]--;
                    }
                }
            putout(skin);
        }
    }
    static boolean infect(int i, int j, int[][] skin){
        if(i >= 0 && i < skin.length && j >= 0 && j < skin[i].length)
            if(skin[i][j] == 6) {
                skin[i][j] = 5;
                return true;
            }
        return false;
    }
    static void init(int [][] b) {
        for(int i = 0; i < b.length; i++)
            for(int j = 0; j < b[i].length; j++)
                b[i][j] = 6;
        b[7][4] = 5;
        b[6][15] = 5;
        b[17][10] = 5;
    }
    static int [][] create(int sz1, int sz2) {
        int b[][] = new int[sz1][];
        for (int i = 0; i < sz1; i++)
            b[i] = new int[sz2];
        return b;
    }
    static void putout(int [][]b) {
        int i, j;
        char toPrint;
        String color;
        for(i = 0; i < b.length; i++) {
            for(j = 0; j < b[i].length; j++) {
                switch(b[i][j]){
                    case 6: toPrint = 'H'; color = ANSI_BLUE_BACKGROUND; break;
                    case -1:;
                    case -2:;
                    case -3:;
                    case -4: toPrint ='W'; color =  ANSI_RESET; break;
                    default: toPrint ='X'; color = ANSI_RED_BACKGROUND;
                }
                System.out.print(color + " " + toPrint + " ");
            }
            System.out.println(ANSI_RESET);
        }
        System.out.println();
    }

}