package Dev;

import java.io.*;
import java.util.Scanner;
import java.text.DecimalFormat;

public class bmi {
    
    public static void main(String[] args) throws IOException {
        
        //////////////// FILE /////////////////////////////////
        File file = new File("C:\Users\Jacek\Documents\NetBeansProjects\Projekt_WSTI 24.05\src\Dev\Plik.txt");
                
        //////////////// SCANNER /////////////////////////////////
        Scanner scanner = new Scanner(file);
        scanner.useDelimiter("-|\n");
            while(scanner.hasNext()) {
            
             String imie = scanner.next();
             String plec = scanner.next();
             double waga = Double.parseDouble(scanner.next());
             double wzrost = Double.parseDouble(scanner.next());
             
             double bmi = waga/(Math.pow(wzrost, 2));
             
             String fileName = null;
             if(bmi<18.5) {
                fileName = new String("niedowaga");
                BufferedWriter bw = new BufferedWriter(new FileWriter(fileName + ".bin", true));

                bw.write(imie);
                bw.newLine();
                bw.write(String.valueOf(new DecimalFormat("0.0").format(bmi)));
                bw.newLine();
                bw.close();
             }
              else if(bmi>25.0) {
                fileName = new String("nadwaga");
                BufferedWriter bw = new BufferedWriter(new FileWriter(fileName + ".bin", true));

                bw.write(imie);
                bw.newLine();
                bw.write(String.valueOf(new DecimalFormat("0.0").format(bmi)));
                bw.newLine();
                bw.close();
                
             }          
                System.out.println(imie);
                System.out.println(new DecimalFormat("0.0").format(bmi));
            }  
    }  
}