PasswordReset

package JavaFundamentals.FinalExamExamples;

import javax.xml.stream.events.EndDocument;
import java.util.Scanner;

public class PasswordReset {
    public static void main(String[] args) {
        Scanner read = new Scanner(System.in);

        // all commands are :
        // --> TakeOdd
        // --> Cut {index} {length}
        // --> Substitute {substring} {substitute}
        // create a StringBuilder to hold the text and change it

        String password = read.nextLine();
        String command = read.nextLine();
        StringBuilder passwordToManipulate = new StringBuilder();
        // " Siiceercaroetavm!:?:ahsott.:i:nstupmomceqr  "

        while (!command.equals("Done")) {

            String[] input = command.split("\\s+");
            String order = input[0];// --> taking commands from input !!
            switch (order) {
                case "TakeOdd": // taking digits only in Odd positions --> icecream::hot::summer
                    for (int index = 1; index < password.length(); index += 2) {
                        char current = password.charAt(index);
                        passwordToManipulate.append(current);
                    }
                    password = passwordToManipulate.toString();
                    System.out.println(password);

                    break;
                case "Cut":
                    int startIndex = Integer.parseInt(input[1]);
                    int lengthToCut = Integer.parseInt(input[2]);

                    String remove = password.substring(startIndex,startIndex + lengthToCut);
                    password = password.replaceFirst(remove,"");

                    System.out.println(password);
                    break;
                case "Substitute":
                    String toCheck = input[1];
                    String toSubstitute = input[2];
                    if (password.contains(toCheck)) {

                       password =  password.replace(toCheck, toSubstitute);

                        System.out.println(password);
                    } else {
                        System.out.println("Nothing to replace!");
                    }
                    break;
            }

            command = read.nextLine();
        }
        System.out.printf("Your password is: %s",password);


    }
}