package soundex;

public class Soundex {
    private String w;
    private char ant;

    private static void main(String[] args) {
        Soundex sdx = new doSoundex();
        String s = new String();
        s = JOptionPane.showInputDialog("Insira o texto:");
        sdx.setW(s);
        s = "Soundex: " + sdx.doSoundex();
        JOptionPane.showMessageDialog(null, s);
    }

    private int checkVogal(char c) {
        if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u')
            return 1;
        else
            return 0;
    }

    private char replaceSoundex(char c) {
        char d = 0;
        if (c == ant)
            d = '0';
        else {
            if (c == 'b' || c == 'p' || c == 'f' || c == 'v')
                d = '1';
            if (c == 'c' || c == 's' || c == 'g' || c == 'j' || c == 'k' || c == 'q' || c == 'x' || c == 'z')
                d = '2';
            if (c == 'd' || c == 't')
                d = '3';
            if (c == 'l')
                d = '4';
            if (c == 'm' || c == 'n')
                d = '5';
            if (c == 'r')
                d = '6';
            if (c == 'h' || c == 'w' || c == 'y')
                d = '0';
        }
        ant = c;
        return d;
    }

    public void setW(String s) {
        w = s;
    }

    public String Soundex::doSoundex() {
        char temp[] = new char[4];
        int count = 1;
        int i = 0;
        temp[0] = w.charAt(0);
        for (i = 1; i < w.length() || count <= 3; i++) {
            if (checkVogal(w.charAt(i)) == 1) ;
            else {
                temp[count] = replaceSoundex(w.charAt(i));
                count++;
            }
        }
        if (count < 4) {
            for (i = count; i < 4; i++)
                temp[i] = 0;
        }
        return temp;
    }
}