package Assignments;
import java.util.Scanner;


public class Shern {

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

		// Welcome Logo
	System.out.println("\n");
	System.out.println(" *** C B S  W E B S H O P *** \n\n");

	System.out.println("Create User");


		System.out.print("\n\n");

		//FIRSTNAME
		System.out.print("First Name: \t");
		String firstname = input.nextLine();
		String illegal = "0";
		while (firstname.contains(illegal)) {
		System.out.println("cannot contain numbers, try again");
		firstname = input.nextLine();
		}

		//LASTNAME
		System.out.print("Last Name: \t");
		String lastname = input.nextLine();

		//ADDRESS
		System.out.print("Street name: \t");
		String sn = input.nextLine();

		System.out.print("Street number (and block or floor if relevant) \t");
		String st = input.nextLine();


		//POSTAL CODE
		System.out.print("Postal Code: \t");
		int PC = input.nextInt();
		while (PC < 1000 || PC > 2991 ) {
			System.out.print("Postal code not found in Copenhagen region. Please try again ");
		PC = input.nextInt();
		}

		//PHONE NUMBER
		System.out.print("Phone Number: \t");

		//I Insert the following code of line due to issues with next line addressed here http://stackoverflow.com/questions/13102045/scanner-is-skipping-nextline-after-using-next-nextint-or-other-nextfoo
		String test = input.nextLine();
		String number = input.nextLine();
		while (number.length() != 8) {
				System.out.print("Telephone number should be 8 digits. Please try again ");
		number = input.nextLine();
		}


		//CPR NUMBER
			System.out.print("CPR-Number: \t");
			String cpr = input.nextLine();
			char dash = cpr.charAt(6);
			while (cpr.length() != 11 && dash !='-') {
					System.out.print("Error, use format XXXXXX-XXXX, please try again ");
					cpr = input.nextLine();
			}


		System.out.println("\n\nUser creation complete!\n");

		//USERNAME
			String s1 = firstname.substring(0,1);
			String s2 = lastname.substring(0,3);
			String username = s1 + s2;
				System.out.println("Your username is: " + username);

		//PASSWORD
			String s3 = lastname.substring(0,3);
			String s4 = cpr.substring(7, 11);
			String password = s3 + s4;
			System.out.println("Your password is: " + password);

			System.out.println("\n");

		//LOG-IN PROMPT
			System.out.println("To EXIT, please type 1 and enter \n");
			System.out.println("To LOG-IN, please type 2 and enter \n");
			String command = input.nextLine();

			System.out.println("\n");

			switch (command) {
			case "1": System.out.print("You have now exited. Goodbye!"); break;
			case "2": System.out.println("Please enter username below \n");
			}


			// LOG-IN
			System.out.println("Enter Username");
			String loginusername = input.nextLine();
			System.out.println("Enter Password");
			String loginpassword = input.nextLine();

			int attempt = 3;
			while ((!loginusername.equals(username)) || (!loginpassword.equals(password))) {
			attempt--;
			System.out.println("You pressed wrong password and/or username, you have " + attempt + " attempts left");

			if (attempt == 0)

			System.out.println("Sorry you have exceeded the number of tries. Please try again after few hours" );

			else
			System.out.println("Enter Username");
			loginusername = input.next();
			System.out.println("Enter Password");
			loginpassword = input.next();
			}



			if ((loginusername.equals(username)) && (loginpassword.equals(password))) {
			System.out.println("You are now logged in...");
			System.exit(0);
			}




	}

}