// ****************************************************************
// SquareTest.java
//
// Uses the Square class to read in square data and tell if
// each square is magic.
//
// ****************************************************************
import java.util.Scanner;
import java.io.*;
public class SquareTest
{
    public static void main(String[] args) throws IOException
    {

      int count = 1;                 //count which square we're on
      Scanner scan = new Scanner(System.in);

      System.out.print("\nEnter the name of the input file: ");
      String fileName = scan.nextLine();

      Scanner fileScan =  new Scanner(new File(fileName));


      // read the size of the square from the input file
      int size = fileScan.nextInt();

      // expecting -1 at bottom of input file
      while (size != -1)
      {
         Square square = new Square(size,fileScan); //create a new Square of the given size

         //call its read method to read the values of the square
         square.readSquare();

         System.out.println("\n\n******** Square " +  count++  + " ********\n");

         //** print the square
         square.printSquare();

         System.out.println();

         //** print the sums of its rows

         for (int i = 0; i < size; i++)
            System.out.println("Row " + i + " sum = " + square.sumRow(i));

         System.out.println();

         //** print the sums of its columns
         for (int i = 0; i < size; i++)
            System.out.println("Column " + i + " sum = " + square.sumCol(i));

         System.out.println();

         //** print the sum of the main diagonal
         System.out.println("The sum of the main diagonal = " + square.sumMainDiag());

         System.out.println();

         //** print the sum of the other diagonal
         System.out.println("The sum of the other diagonal = " + square.sumOtherDiag());

         System.out.println();

         //** determine and print whether it is a magic square
         if (square.magic())
            System.out.println("The Square IS a magic square.");
         else
            System.out.println("The Square IS NOT magic square.");

         System.out.println();

         System.out.print("\n\nPress enter to continue:");
         scan.nextLine();

         // read the size of the square from the input file
         size = fileScan.nextInt();

      }

   }
}