import java.util.Scanner;
import java.util.Random;

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

		String lowercaseVowels = "aeiou", uppercaseVowels = "AEIOU";
		String lowercaseConsonants = "bcdfghjklmnpqrstvwxyz", uppercaseConsonants = "BCDFGHJKLMNPQRSTVWXYZ";

		System.out.println("Welcome to the username and password generator!");
		System.out.println("Please enter your first name:");
		String firstname = inputScanner.nextLine();
		String[] firstnames = firstname.split("");
		String first = firstnames[0];

		System.out.println("Please enter your last name:");
		String lastname = inputScanner.nextLine();
		String lastname1 = lastname + "s" + "s" + "s" + "s" + "s" + "s";
		String[] lastnames = lastname1.split("");
		String lastone = lastnames[0], lasttwo = lastnames[1], lastthree = lastnames[2], lastfour = lastnames[3], lastfive = lastnames[4], lastsix = lastnames[5], lastseven = lastnames[6];

		System.out.println("Please enter your favorite word:");
		String favword = inputScanner.nextLine();

		int num = (int) (Math.random() * 100);
		String username = first + lastone + lasttwo + lastthree + lastfour
				+ lastfive + lastsix + lastseven + num;
		for (int i = 0; i < lowercaseVowels.length(); i++) {
			for (int k = 0; k < lowercaseConsonants.length(); k++) {
				username = username.replace(uppercaseVowels.charAt(i),
						lowercaseVowels.charAt(i));
				username = username.replace(uppercaseConsonants.charAt(k),
						lowercaseConsonants.charAt(k));
			}
		}
		System.out.println("Thanks " + firstname + ", your username is: "
				+ username);

		String unencrypted = "aols", encrypted = "@01$";
		String firstname2 = firstname, lastname2 = lastname;
		for (int i = 0; i < unencrypted.length(); i++) {
			firstname = firstname.replace(unencrypted.charAt(i), encrypted.charAt(i));
			lastname = lastname.replace(unencrypted.charAt(i), encrypted.charAt(i));
		}
		int num2 = (int) (Math.random() * 100);
		String password1 = firstname + num2 + lastname;
		for (int i = 0; i < lowercaseVowels.length(); i++)
			for (int k = 0; k < lowercaseConsonants.length(); k++) {
				password1 = password1.replace(uppercaseVowels.charAt(i),
						lowercaseVowels.charAt(i));
				password1 = password1.replace(uppercaseConsonants.charAt(k),
						lowercaseConsonants.charAt(k));
			}

		System.out.println("Here are three suggested passwords for you to consider:");
		System.out.println(password1);

		String password2 = "" + firstname.charAt(0) + firstname.charAt(firstname.length() - 1)
				+ lastname.charAt(0) + lastname.charAt(lastname.length() - 1) + favword.charAt(0)
				+ favword.charAt(favword.length() - 1);


		System.out.println(password2);

	}
}