package stringthing;

public class StringThing {
    public static void main(String[] arg) {
        // Point A
        String singer = "Holiday, Billie";
        String sculptor = "Claudel, Camille";
        String painter = "Picasso, Pablo";
        String dancer = "Zotto, Osvaldo";
        String self = "Patel, Umang";
        System.out.println("\nNames...");
        System.out.println("Singer " + singer);
        System.out.println("Sculptor " + sculptor);
        System.out.println("Painter " + painter);
        System.out.println("Dancer " + dancer);
        System.out.println("Self " + self);

        // Point B
        int singerLength = singer.length();
        int sculptorLength = sculptor.length();
        int painterLength = painter.length();
        int dancerLength = dancer.length();
        int selfLength = self.length();
        System.out.println("\nName lengths...");
        System.out.println(singerLength);
        System.out.println(sculptorLength);
        System.out.println(painterLength);
        System.out.println(dancerLength);
        System.out.println(selfLength);

        //Point C
        int singerCommaPosition = singer.indexOf(",");
        int sculptorCommaPosition = sculptor.indexOf(",");
        int painterCommaPosition = painter.indexOf(",");
        int dancerCommaPosition = dancer.indexOf(",");
        int selfCommaPosition = self.indexOf(",");
        System.out.println("\nComma positions...");
        System.out.println(singerCommaPosition);
        System.out.println(sculptorCommaPosition);
        System.out.println(painterCommaPosition);
        System.out.println(dancerCommaPosition);
        System.out.println(selfCommaPosition);

        //Point D
        String singerFirst = singer.substring(singerCommaPosition + 2);
        String sculptorFirst = sculptor.substring(sculptorCommaPosition + 2);
        String paintererFirst = painter.substring(painterCommaPosition + 2);
        String dancerFirst = dancer.substring(dancerCommaPosition + 2);
        String selfFirst = self.substring(selfCommaPosition + 2);
        System.out.println("\nFirst names...");
        System.out.println(singerFirst);
        System.out.println(sculptorFirst);
        System.out.println(paintererFirst);
        System.out.println(dancerFirst);
        System.out.println(selfFirst);

        //point E
        String singerLast = singer.substring(0,singerCommaPosition);
        String sculptorLast = sculptor.substring(0,sculptorCommaPosition);
        String paintererLast = painter.substring(0,painterCommaPosition);
        String dancerLast = dancer.substring(0,dancerCommaPosition);
        String selfLast = self.substring(0,selfCommaPosition);
        System.out.println("\nLast names...");
        System.out.println(singerLast);
        System.out.println(sculptorLast);
        System.out.println(paintererLast);
        System.out.println(dancerLast);
        System.out.println(selfLast);

        //point F
        System.out.println("\nFirst names, once again...");
        System.out.println(firstName(singerFirst));
        System.out.println(firstName(sculptorFirst));
        System.out.println(firstName(paintererFirst));
        System.out.println(firstName(dancerFirst));
        System.out.println(firstName(selfFirst));


        //point G
        System.out.println("\nLast names, once again...");
        System.out.println(lastName(singerLast));
        System.out.println(lastName(sculptorLast));
        System.out.println(lastName(paintererLast));
        System.out.println(lastName(dancerLast));
        System.out.println(lastName(selfLast));

        //point H
        System.out.println("\nFull names, natural style...");
        System.out.println(fullName(singer));
        System.out.println(fullName(sculptor));
        System.out.println(fullName(painter));
        System.out.println(fullName(dancer));
        System.out.println(fullName(self));

    }

    private static String firstName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        return directoryStyleName.substring(commaPosition+2);
    }

    private static String lastName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        return directoryStyleName.substring(0,commaPosition);
    }

    private static String fullName(String dsn) {
        String full = firstName(dsn) + " " + lastName(dsn);
        return full;
    }
}