Email.java

package emailapp;

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

public class Email{

	public Scanner s = new Scanner(System.in);
	
	// Setting up the variables
	// Defined as 'private' so that these cannot be accessed directly
	private String fname;
	private String lname;
	private String dept;
	private String email;
	private String password;
	private int mailCapacity = 60;
	private String alter_email;
	
	// Constructor to receive the first name and the last name
   public Email(String fname, String lname) {
		this.fname = fname;
		this.lname = lname;
		System.out.println("\nNEW EMPLOYEE: " + this.fname + " " + this.lname);
		
		// Call a method asking for the department - return the department
		this.dept = this.setDept();
		
		// Call a method that returns a random password
		this.password = this.generate_password(8);
		
		// Combine elements to generate an email
		this.email = this.generate_email();
	}

	// Generating the email according to the given syntax
	private String generate_email() {
		return this.fname.toLowerCase() + "." + this.lname.toLowerCase() + "@" + this.dept.toLowerCase()
				+ ".company.com";
	}
	
	// Ask for the department
	private String setDept() {
		System.out.println(
				"\nDEPARTMENT CODES\n\n1 for Sales\n2 for Development\n3 for Accounting\n0 for None");
		boolean flag = false;
		do {
			System.out.print("\nEnter Department Code: ");
			int choice = s.nextInt();
			switch (choice) {
			case 1:
				return "Sales";
			case 2:
				return "Development";
			case 3:
				return "Accounting";
			case 0:
				return "None";
			default:
				System.out.println("***INVALID CHOICE***");
			}
		} while (!flag);
		return null;
	}

	// Generating a random password
	private String generate_password(int length) {
		Random r = new Random();

		String Capital_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
		String Small_chars = "abcdefghijklmnopqrstuvwxyz";
		String numbers = "0123456789";
		String symbols = "!@#$%&?";
		String values = Capital_chars + Small_chars + numbers + symbols;

		String password = "";
		for (int i = 0; i < length; i++) {
			password = password + values.charAt(r.nextInt(values.length()));
		}
		return password;
	}
	
	// Change the password
	public void set_password() {
		boolean flag = false;
		do {
			System.out.print("ARE YOU SURE YOU WANT TO CHANGE YOUR PASSWORD? (Y/N) : ");
			char choice = s.next().charAt(0);
			if (choice == 'Y' || choice == 'y') {
				flag = true;
				System.out.print("Enter current password: ");
				String temp = s.next();
				if (temp.equals(this.password)) {
					System.out.println("Enter new password: ");
					this.password = s.next();
					System.out.println("PASSWORD CHANGED SUCCESSFULLY!");
				} else {
					System.out.println("Incorrect Password!");
				}
			} else if (choice == 'N' || choice == 'n') {
				flag = true;
				System.out.println("PASSWORD CHANGE CANCELED!");
			} else {
				System.out.println("***ENTER A VALID CHOICE***");
			}
		} while (!flag);
	}

	// Set the mailbox capacity
	public void set_mailCap() {
		System.out.println("Current capacity =  " + this.mailCapacity + "GB");
		System.out.print("Enter new capacity: ");
		this.mailCapacity = s.nextInt();
		System.out.println("MAILBOX CAPACITY CHANGED SUCCESSFULLY!");
		
	}

	// Set the alternate email
	public void alternate_email() {
		System.out.print("Enter new alternate email: ");
		this.alter_email = s.next();
		System.out.println("ALTERNATE EMAIL SET SUCCESSFULLY!");
	}

	// Displaying the employee's information
	public void getInfo() {
		System.out.println("NAME: " + this.fname + " " + this.lname);
		System.out.println("DEPARTMENT: " + this.dept);
		System.out.println("EMAIL: " + this.email);
		System.out.println("PASSWORD: " + this.password);
		System.out.println("MAILBOX CAPACITY: " + this.mailCapacity +" "+ "GB");
		System.out.println("ALTER EMAIL: " + this.alter_email);
	}
}