07. Crossfire

package MultidimensionalArrays.Exercise;

import java.util.Arrays;
import java.util.Scanner;

public class Crossfire {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String[][] matrix = buildMatrix(scanner);
        String[][] nukedMatrix = nukeMatrix(matrix, scanner);
        printMatrix(nukedMatrix);


    }

    private static String[][] nukeMatrix(String[][] matrix, Scanner scanner) {
        String[][] newMatrix = matrix;
        String command;
        while (!"Nuke it from orbit".equals(command = scanner.nextLine())){
            int[] tokens = getTokens(command);
            int rowOfImpact = tokens[0];
            int colOfImpact = tokens[1];
            int radius = tokens[2];

            //delete top
            if (rowOfImpact != 0){
                int checked = 0;
                for (int row = rowOfImpact - 1; row >= 0; row--) {
                    if (radius - checked > 0 && newMatrix[row].length -1 >= colOfImpact){
                        newMatrix[row][colOfImpact] = ",";
                        String temp = String.join(" ", newMatrix[row]).replace(",", "");
                        newMatrix[row] = temp.split("\\s+");
                    }
                    checked++;
                }
            }
            //delete right
            if (colOfImpact != newMatrix[rowOfImpact].length - 1){
                int checked = 0;
                for (int col = colOfImpact + 1; col < newMatrix[rowOfImpact].length; col++) {
                    if (radius - checked > 0){
                        newMatrix[rowOfImpact][col] = ",";
                        String temp = String.join(" ", newMatrix[rowOfImpact]).replace(",", "");
                        newMatrix[rowOfImpact] = temp.split("\\s+");
                    }
                    checked++;
                }
            }

            //delete bottom
            if (rowOfImpact != newMatrix.length - 1){
                int checked = 0;
                for (int row = rowOfImpact + 1; row < newMatrix.length; row++) {
                    if (radius - checked > 0 && newMatrix[row].length -1 >= colOfImpact){
                        newMatrix[row][colOfImpact] = ",";
                        String temp = String.join(" ", newMatrix[row]).replace(",", "");
                        newMatrix[row] = temp.split("\\s+");
                    }
                    checked++;
                }
            }

            //delete left
            if (colOfImpact < newMatrix[rowOfImpact].length || colOfImpact - radius < newMatrix[rowOfImpact].length){
                int checked = 0;
                int tempCol = colOfImpact;
                if (colOfImpact >= newMatrix[rowOfImpact].length){
                    while (tempCol >= newMatrix[rowOfImpact].length){
                        tempCol--;
                    }
                }

                for (int col = tempCol; col >= 0; col--) {
                    if (radius - checked >= 0){
                        newMatrix[rowOfImpact][col] = ",";
                        String temp = String.join(" ", newMatrix[rowOfImpact]).replace(",", "");
                        newMatrix[rowOfImpact] = temp.split("\\s+");
                    }
                    checked++;
                }
            }

        }
        return  newMatrix;
    }

    private static void printMatrix(String[][] matrix) {
        for (int row = 0; row < matrix.length; row++) {
            for (int col = 0; col < matrix[row].length; col++) {
                System.out.printf("%s ", matrix[row][col]);
            }
            System.out.println();
        }
    }

    private static String[][] buildMatrix(Scanner scanner) {
        int[] tokens = getTokens(scanner.nextLine());

        int rows = tokens[0];
        int cols = tokens[1];

        String[][] matrix = new String[rows][cols];

        int counter = 0;
        for (int row = 0; row < rows; row++) {
            for (int col = 0; col < cols; col++) {
                if (counter > 0){
                    matrix[row][col] = String.format("%d", (counter * cols) + col + 1);
                }else{
                    matrix[row][col] = String.format("%d",col + 1);
                }
            }
            counter++;
        }

        return matrix;
    }

    private static int[] getTokens(String input) {
        return Arrays.stream(input.split("\\s+"))
                .mapToInt(Integer::parseInt)
                .toArray();
    }
}