import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;

public class main
{
  public static void main(String[] args)
  {
    String text;
    String filename;
    String[] splitText = new String[6];
    Float price;
    int pages;
    int ISBN;

    Scanner keyboard = new Scanner (System.in);
    System.out.println("Please enter the data file name:");

    filename = keyboard.nextLine();
    try
    {
      File Fileobject = new File (filename);

      Scanner fileReader  = new Scanner (Fileobject);


      while(fileReader.hasNext())
      {
        text = fileReader.nextLine();//This reads one line of data

        splitText = text.split("-");//This seperates the data

		// remove spaces
		splitText[0] = splitText[0].trim();
		splitText[1] = splitText[1].trim();
		splitText[2] = splitText[2].trim();
		splitText[3] = splitText[3].trim();
		splitText[4] = splitText[4].trim();
		splitText[5] = splitText[5].trim();

        price = Float.parseFloat(splitText[3]);
        pages = Integer.parseInt(splitText[4]);
        ISBN = Integer.parseInt(splitText[5]);

        System.out.println(String.format("%-20s", "Title:" + splitText[0]));
        System.out.println(String.format("%-20s", "Author:   " + splitText[1]));
        System.out.println(String.format("%-20s", "Publisher:" + splitText[2]));
        System.out.println(String.format("%-20s", "Price:" + "�" + splitText[3]));
        System.out.println(String.format("%-20s", "Number of pages:" + splitText[4]));
        System.out.println(String.format("%-20s", "ISBN:" + splitText[5]));


        if(splitText[0].isEmpty())
        {
        	System.out.println("The book Title may be missing.");
        }



        if(splitText[1].isEmpty())
        {
        	System.out.println("The book Author may be missing.");
        }



        if(splitText[2].isEmpty())
        {
        	System.out.println("The book Publisher may be missing.");
        }



        if(splitText[3].isEmpty())
        {
        	System.out.println("The book Price may be missing.");
        }

        try
        {
        	Float.parseFloat(splitText[3]);
        }
        catch(NumberFormatException e)
        {
        	System.out.println(splitText[3] + " - Book price may not be a numeric value.");
        }



        if(splitText[4].isEmpty())
        {
        	System.out.println("The number of pages may be missing.");
        }

        try
        {
        	Integer.parseInt(splitText[4]);
        }
        catch(NumberFormatException f)
        {
        	System.out.println(splitText[4] + " - Book number of pages may not be a numeric value.");
        }



        if(splitText[5].isEmpty())
        {
        	System.out.println("The book ISBN may be missing.");
        }

        try
        {
        	Integer.parseInt(splitText[5]);
        }
        catch(NumberFormatException a)
        {
        	throw new RuntimeException();
        	//System.out.println(splitText[5] + " - Book price may not be a numeric value.");
        }


        System.out.println("---------------------------------------");

      }//End of While
      fileReader.close();
    }//End of try

    catch(FileNotFoundException e)
    {
      System.out.println("File does not exist");
    }

    //catch(ArrayIndexOutOfBoundsException e)
    //{

    //}
  }
}