import java.util.*;

public class Update {

    public final static int ITERATIONS = 5;

    public static void main(String[] args) {

        System.out.println("This program will simulate the game of Life.");

        Scanner console = new Scanner(System.in);

        System.out.println("Please input the size of your board.");

        System.out.println("Rows:");
        final int rows = console.nextInt();

        System.out.println("Columns:");
        final int columns = console.nextInt();

        System.out.println("Please enter a seed:");
        final long seed = console.nextLong();

        int[] birthLive = new int[4];
        boolean[][] board = new boolean[rows][columns];

        createMatrix(board, seed);

        birthAndLive(birthLive);

        for (int i = 0; i < ITERATIONS; i++) {
            printMatrix(board);
            updateMatrix(board, birthLive);
        }

    }

    public static void createMatrix(boolean[][] board, long seed) {

        Random seedBool = new Random(seed);

        for (int i = 0; i < board.length; i++) {
            for (int j = 0; j < board[i].length; j++) {
                board[i][j] = false;
            }
        }

        for (int i = 1; i < board.length - 1; i++) {
            for (int j = 1; j < board[i].length - 1; j++) {
                board[i][j] = seedBool.nextBoolean();
            }
        }

    }

    public static void birthAndLive(int[] birthLive) {

        Scanner console = new Scanner(System.in);

        System.out.println("Please input the birth range and the live range:");

        System.out.println("Birth (Low):");
        birthLive[0] = console.nextInt();

        System.out.println("Birth (High):");
        birthLive[1] = console.nextInt();

        System.out.println("Live (Low):");
        birthLive[2] = console.nextInt();

        System.out.println("Live (High):");
        birthLive[3] = console.nextInt();

    }

    public static void printMatrix(boolean[][] board) {

        for (int i = 0; i < board.length; i++) {
            for (int j = 0; j < board[i].length; j++) {
                if (board[i][j] == false)
                    System.out.print(" - ");
                else
                    System.out.print(" # ");
            }
            System.out.println();
        }
        System.out.println();
    }

    public static void updateMatrix(boolean[][] board, int[] birthLive) {

        //clone the board so modified values don't affect the results of upcoming spaces
        boolean[][] boardCopy = board.clone();
        for (int i = 0; i < board.length; i++)
            boardCopy[i] = board[i].clone();

        int count = 0;

        for (int i = 1; i < board.length - 1; i++) {
            for (int j = 1; j < board[i].length - 1; j++) {

                //different requirements for dead or living pieces' living status
                if (board[i][j] == false) {

                    //check the nine-by-nine square, starting at (-1, 1) and ending at (1, -1) where 0 is the affected location
                    // * * *
                    // * 0 *
                    // * * *
                    for (int ii = board[i - 1].length; ii < board[i + 1].length; ii++) {
                        for (int jj = board[j - 1].length; ii < board[j + 1].length; jj++) {
                            if (boardCopy[i][j] == true)
                                count++;
                        }
                    }

                    //check to see what high and low amt of required adjacent lifeforms is
                    if (count >= birthLive[0] && count <= birthLive[1])
                        board[i][j] = true;
                    else
                        board[i][j] = false;
                    count = 0;

                }

                else {

                    for (int ii = board[i - 1].length; ii < board[i + 1].length; ii++) {
                        for (int jj = board[j - 1].length; ii < board[j + 1].length; jj++) {
                            if (boardCopy[i][j] == true)
                                count++;
                        }
                    }

                    count -= 1; //For board[i][j] is always true
                    if (count >= birthLive[2] && count <= birthLive[3])
                        board[i][j] = true;
                    else
                        board[i][j] = false;
                    count = 0;

                }

            }
        }

    }
}