cli2.java

import java.util.ArrayList;
import java.util.Scanner;

public class cli2 {
    private static ArrayList<String> ticketNumbers = new ArrayList<>();
    private static ArrayList<String> descriptions = new ArrayList<>();
    private static ArrayList<String> porioritries = new ArrayList<>();

    private static final String[] PRIORITY_OPTIONS = {"LOW", "MEDIUM","HIGH" };
    private static final String ADMIN_PIN = "1234";

    public static void main (String[] args ){
        Scanner scanner = new Scanner(System.in);
        boolean running = true ;


        while (running ) {
           System.out.println("Main Menu") ;
            System.out.println("1.Customer operations") ;
            System.out.println("2.Admin Operations") ;
            System.out.println("3.Exit") ;
            System.out.println("Choose an operation :") ;

            int choice = scanner.nextInt();
             scanner.nextLine();

            if (choice == 1) {
                customerOperations(scanner);
           }else if (choice == 2){
                adminOperations(scanner);

            }else if (choice == 3){
                System.out.println("Exiting the application.Goodbye !");
                running = false;
            }else{
                System.out.println("Invalid option.Try again.");
            }

        }
        scanner.close();
    }
    private static void customerOperations(Scanner scanner) {
        boolean customermenu = true;

        while (customermenu){
        System.out.println(" Customer operations ");
        System.out.println("1.create Ticket : ");
        System.out.println("2.Back");
        System.out.println("Choose an operation");

        int choice = scanner.nextInt();
        scanner.nextLine();

        if (choice == 1) {
            createTicket(scanner);
        } else if (choice == 2) {
            customermenu = false;
        } else {
            System.out.println("invalid option. try again");
        }
    }

}

private static void createTicket(Scanner scanner){
    System.out.println("Enter Ticket num : ");
    String ticketnum = scanner.nextLine();

    System.out.print("Enter description : ");
    String description = scanner.nextLine();

    System.out.println("select priority: ");
    for (int i = 0; i < PRIORITY_OPTIONS.length; i++){
        System.out.println((i + 1) + " . " + PRIORITY_OPTIONS[i]);
    }
    int prioritychoice = scanner.nextInt();
    scanner.nextLine();


    if (prioritychoice < 1 || prioritychoice > PRIORITY_OPTIONS.length){
      System.out.println("invalid priority selection. Ticket not created.");
      return;
    }
    String prioritry = PRIORITY_OPTIONS[prioritychoice - 1];
    ticketNumbers.add(ticketnum);
    descriptions.add(description);
    porioritries.add(prioritry);

    System.out.println(("Ticket created successfully! "));
}
    private static void adminOperations(Scanner scanner){
    System.out.println("Enter Admin PIN: ");
    String pin = scanner.nextLine();

    if (!pin.equals(ADMIN_PIN)){
        System.out.println("invalid pin. access denied");
        return;

    }

    boolean inAdminmeanu = true ;
    while (inAdminmeanu){
        System.out.println("   admin operation  ");
        System.out.println(" 1.view ticket:  ");
        System.out.println(" 2.update ticket ");
        System.out.println(" 3.back to meanu");
        System.out.println(" choose an option: ");

        int choice = scanner.nextInt();
        scanner.nextLine();

        if (choice == 1){
            viewTicket(scanner);
        } else if ( choice == 2){
            updateTicket(scanner);
        }else {
            System.out.print("invalid option. try again");
        }


    }
}
     private static void viewTicket(Scanner scanner ){
    System.out.print("enter ticket number: ");
    String ticketnumber = scanner.nextLine();

    int index = ticketnumber.indexOf(ticketnumber);
    if (index == -1){
        System.out.println(" Ticket not found. ");
        return;
    }
     System.out.println("Ticket number : " + ticketNumbers.get(index) + " , Description:" + descriptions.get(index)
     + " , priority: " + porioritries.get(index));

     }
     private static void updateTicket(Scanner scanner ){
    System.out.print("Enter Ticket number : ");
    String ticketnum = scanner.nextLine();

    int index = ticketnum.indexOf(ticketnum);
    if (index == -1) {
        System.out.println("ticket not found. ");
        return ;
    }
     System.out.print("Enter New Description: ");
     String newDescription = scanner.nextLine();
     descriptions.set(index , newDescription);

     System.out.println("Ticket update sucessfully !");
     }
     }