import static javax.swing.JOptionPane.*;

class ValutaKlient {
    public static void main(String[] args){
        Valuta euro = new Valuta("EUR", 8.0555);
        Valuta usd = new Valuta("USD", 6.7512);
        Valuta sek = new Valuta("SEK", 0.8603);
        Valuta dkk = new Valuta("DKK", 1.0794);
        Valuta nok = new Valuta("NOK", 1);

        double kroner;
        double verdi;

        String lestValuta = showInputDialog("Velg valuta: \n 1: euro \n 2: usd \n 3: sek \n 4: dkk \n 5: nok \n 6: avslutt ");
        int valuta2 = Integer.parseInt(lestValuta);

        String verdiLest = showInputDialog("Beløp: ");
        verdi = Double.parseDouble(verdiLest);

        int teller = 1;
        while(teller != 0){

            switch(valuta2){

                case 1:
                    kroner = euro.beregnTilNok(verdi);
                    showMessageDialog(null, kroner + "NOK");
                    break;

                case 2:
                    kroner = usd.beregnTilNok(verdi);
                    showMessageDialog(null, kroner + "NOK");
                    break;

                case 3:
                    kroner = sek.beregnTilNok(verdi);
                    showMessageDialog(null, kroner + "NOK");
                    break;

                case 4:
                    kroner = dkk.beregnTilNok(verdi);
                    showMessageDialog(null, kroner + "NOK");
                    break;

                case 5:

                    String lestValuta2 = showInputDialog("Velg valuta \n a: euro \n b: usd \n c: sek \n d: dkk");
                    char valuta3 = lestValuta2.charAt(0);

                    switch(valuta3){

                        case 'a':
                            kroner = euro.beregnFraNok(verdi);
                            showMessageDialog(null, kroner + "EUR");
                            break;

                        case 'b':
                            kroner = usd.beregnFraNok(verdi);
                            showMessageDialog(null, kroner + "USD");
                            break;

                        case 'c':
                            kroner = sek.beregnFraNok(verdi);
                            showMessageDialog(null, kroner + "SEK");
                            break;

                        case 'd':
                            kroner = dkk.beregnFraNok(verdi);
                            showMessageDialog(null, kroner + "DKK");
                            break;
                        }
                case 6:
                    teller = 0;
                    break;

                default:
                    System.out.println("Something went wrong!");
                    break;
            }
        }
    }

}