dwivedi

package assignments;

import java.util.Scanner;

class dwivedi {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
System.out.println("-----------Welcome to the Webshop-----------");


		//Asking for Input
		Scanner input=new Scanner(System.in);
		System.out.print("Enter you Name and Surname with a space");
		String S= input.next();
		String P=input.next();

		//DOB
		Scanner input2 = new Scanner(System.in);
		System.out.print("Date of Birth in DD/MM/YY");
		String DOB= input2.nextLine();
		String datafromDOB=DOB.substring(0,2).concat(DOB.substring(3,5)).concat(DOB.substring(6,8));//adding the DOB digits

		//CPR
		Scanner input4=new Scanner(System.in);
		System.out.print("CPR number in XXXXXX-XXXX");
		String CPR= input4.nextLine();
		int x= CPR.length();
		char n= CPR.charAt(6);
		String extractforcheck=CPR.substring(0,6);



		if(extractforcheck.equals(datafromDOB)){ //checking if DOB digits are in CPR
		while ((x!=11)||(n!='-')) {
			System.out.println("Enter proper CPR");
			CPR= input4.nextLine();
			x= CPR.length();
			n= CPR.charAt(6);
			extractforcheck=CPR.substring(0,6);
		}
	}
		//Zipcode
		Scanner input1 =new Scanner(System.in);
		System.out.print("Enter your Zipcode");
		String Zipcode= input1.nextLine();
		int Zipcode1 = Integer.parseInt(Zipcode);
		while ( Zipcode1 > 2500){ //chcking for pincode in copenhagen
		System.out.println("Enter a code in Copenhagen");
			Zipcode= input1.nextLine();
			Zipcode1 = Integer.parseInt(Zipcode);
		};

		//telephone
		Scanner input3=new Scanner(System.in);
		System.out.print("Enter you telepnone number");
		String tele= input3.nextLine();
		while((tele.length())!= 8) {
		System.out.print("Please enter 8 digits");
		tele= input3.nextLine();}


		//Creating username
	   char user = S.charAt(0);
	   String namepart=P.substring(0, 3);
	   String un= user + namepart;
	   System.out.println("Username is:" + un);

	   //creating password
	   String ps=P.substring(0,3);
	   String q= CPR.substring(7,10);
	   String pw= ps.concat(q);
	   System.out.println("passowrd is: " +pw);

	   //asking to login // use do while loop
	   int attempt=0;
	   System.out.println("you can now login or exit");
	   Scanner input8= new Scanner(System.in);
	   System.out.println("enter yes if you want to login");
	   System.out.println("enter no if you want to exit");
	   String answer= input8.nextLine();

	   switch (answer){
	   case "no" : System.out.println("you decided not to login");System.exit(0);
		   case "yes":

		   System.out.println("Enter your username and password ");
				  Scanner input10= new Scanner(System.in);
				   Scanner input11=new Scanner(System.in);
				   String username=input10.nextLine();
				   String password=input11.nextLine();

				   if (username.equals(un) && password.equals(pw)) {
				   System.out.println("your enteries are correct"); System.exit(0);}

				   while(((username!=un)||(password!=pw)) && (attempt<3))
				   {
					System.out.println("Re-enter username and password.");
					input10= new Scanner(System.in);
					username=input10.nextLine();
				    input11=new Scanner(System.in);
					password=input11.nextLine();
					if (username.equals(un) && password.equals(pw)) {
						   System.out.println("It took time but you got it right");System.exit(0);}
				attempt++;
				}

			  System.out.print("--------You have exceeded the number of tries-------");   System.exit(0);



			 System.out.println("Your enteries are correct"); System.exit(0);

			Default : System.out.println("Invalid input");System.exit(0);
			}

		   }






}