package com.metanit;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import javax.swing.table.DefaultTableModel;
import java.io.*;

public class Main {
    static Scanner in = new Scanner(System.in);

    public static char GetUserChoice() {
        System.out.println("Do you want to read from file?[Y].If you want to enter with yourself,then enter any other character");
        Scanner sc = new Scanner(System.in);
        char Choice = sc.next().charAt(0);
        return Choice;
    }

    public static void InputMatrix(int[][] Matrix) {
        Scanner in = new Scanner(System.in);
        for (int i = 0; i < Matrix.length; i++) {
            for (int j = 0; j < Matrix[i].length; j++) {
                System.out.print("Введите элемент arr[" + i + "][" + j + "]:");
                Matrix[i][j] = in.nextInt();
            }
        }
    }

    public static void OutputInConsole(int arr[][]) {
        for (int i = 0; i < arr.length; i++) {
            for (int j = 0; j < arr[i].length; j++) {
                System.out.print(arr[i][j] + "\t");
            }
            System.out.println();
        }
    }

    public static void Nol(int[][] Matrix) {
        int counter = 0;
        for (int i = 0; i < Matrix.length; i++) {
            for (int j = 0; j < Matrix[i].length; j++) {
                if (Matrix[i][j] == 0) {
                    counter++;
                }
            }
            if (counter > 0) {
                System.out.println(i + 1);
                counter = 0;
            }
        }
    }

    public static void main(String[] args) throws IOException {
         int M = 5;
         int N = 3;
        char Answer;
        Answer = GetUserChoice();
        int[][] Matrix = new int[M][N];
        if (Answer == 'Y') {
            InputMatrix(Matrix);
            System.out.println("Your array:");
            OutputInConsole(Matrix);
            System.out.println("Rows in which there is zero:");
        } else {

            boolean isInvalid = false;
            Scanner in = new Scanner(System.in);
            do {
                System.out.println("Enter ur txt file location");
                String location = in.nextLine();
                File file = new File(location);
                try {
                    BufferedReader buffer = new BufferedReader(new FileReader(file));
                    String text = buffer.readLine();
                    int high = Integer.parseInt(text);
                    text = buffer.readLine();
                    int wide = Integer.parseInt(text);
                    Matrix = new int[high][wide];
                    for (int i = 0; i < high; i++) {
                        text = buffer.readLine();
                        String[] arrFillings = text.split(" ");
                        for (int j = 0; j <wide; j++)
                            Matrix[i][j]= Integer.parseInt(arrFillings[j]);
                    }

                    for (int i = 0; i < high; i++) {
                        text = buffer.readLine();
                        String[] arrFillings = text.split(" ");
                        for (int j = 0; j < wide; j++) {
                            Matrix[i][j] = Integer.parseInt(arrFillings[j]);
                            System.out.println(Matrix[i][j]);
                        }
                    }
                    buffer.close();
                } catch (FileNotFoundException e) {
                    System.out.println("File not found, try again");
                    isInvalid = true;
                } catch (IOException e) {
                    System.out.println("This file cant be opened, try again");
                    isInvalid = true;
                } catch (NumberFormatException e) {
                    System.out.println("Invalid data, try again");
                    isInvalid = true;
                }

            }
            while (isInvalid);

        }


      /*  Scanner in = new Scanner(System.in);
        String fileName;
        System.out.println("Введите имя файла из которого хотите считатинформацию: ");
        fileName = in.nextLine();
        fileName = fileName + ".txt";
        FileInputStream inFile = new FileInputStream(fileName);
        byte[] str = new byte[inFile.available()];
        inFile.read(str);
        String text = new String(str);
        int i, j;
        for (i = 0; i < 2; ++i) {
            for (j = 0; j < 2; ++j) {
                System.out.println(Matrix[i][j]);
            }
        }*/
        Nol(Matrix);
    }

}