import java.util.Scanner;

public class Program4Demo {

	
    public static void printmenu() {
        System.out.println("");
        System.out.println("1. View Current Queue");
        System.out.println("2. Add student to queue");
        System.out.println("3. Add professor to queue");
        System.out.println("4. Serve next customer");
        System.out.println("5. Remove customer from queue");
        System.out.println("6. Print Queue Statistics");
        System.out.println("7. Exit");
        System.out.println("");
    }
	
	 public static void main(String[] args) {

	        Queue queue = new Queue();

	        System.out.println("Welcome to the Route 406 Sandwiches Queue");
	        printmenu();
	        Scanner sc = new Scanner(System.in);

	        int choice = 0;
	        while(choice != 7) {
	            System.out.println("Your choice?");
	            choice = sc.nextInt();
	            //System.out.println();
	            if(choice == 1) {
	                queue.printQueue();
	            }
	            if(choice == 2) {
	            	Customer c = queue.createCustomer(false);
	                queue.enqueue(c);
	            }
	            if(choice == 3) {
	            	Customer c = queue.createCustomer(true);
	                queue.priorityEnqueue(c);
	            }
	            if(choice == 4) {
	                queue.dequeue();
	            }
	            if(choice == 5) {
	            	System.out.println("What customer is leaving the line?");
	            	String name = sc.next();
	                queue.removeFromQueue(name);
	            }
	            if(choice == 6) {
	                queue.printQueueStats();
	            }
	            if(choice == 7) {
	            	System.exit(0);
	            }
	           
	            printmenu();



	        }

	 }
	 
}