using System;

​

​

namespace student_list_and_queues

{

​

    public class Queue

    {

        // Head is the front of the queue (oldest insertion)

        private Node head;

       // private int queueSize = 0;

​

        // Queue constructor

        public Queue()

        {

        }

​

        // Adds a node to the back of the queue

        // Parameters are int i, int y, string p, string n, string s, string g

        public void Enqueue(int i, int y, string p, string n, string s, string g)

        {

            Node b = new Node(i, y, p, n, s, g);

            Node curr = head;

            if (head == null) head = b;

            else

            {

                while (curr.getNext() != null)

                    curr = curr.getNext();

                curr.next = b;

            }

            //queueSize++;

        }

​

        // Takes the input from user

        // Expects it to be in the order of the WriteLine shown below

        public void Test()

        {

            Node c = head;

            while (c != null)

            {

                Console.WriteLine(c.id + ", " + c.ylevel + ", " + c.phone + ", " + c.name + ", " + c.school + ", " + c.gender);

                c = c.next;

            }

        }

​

​

    }

​

    // Node Class declaring variables with their data types that user has to input

    public class Node

    {

        public int id;

        public int ylevel;

        public string phone;

        public string name;

        public string school;

        public string gender;

        public Node next, prev;

​

    // Node method gives each variable an assigned letter to refer to

        public Node(int i, int y, string p, string n, string s, string g)

        {

            id = i;

            ylevel = y;

            phone = p;

            name = n;

            school = s;

            gender = g;

​

        }

      // returns the next value in the queue

        public Node getNext()

        {

            return next;

        }

    }

​

    // Creates 3 new queues

    // Places students details in specific queue depending on year level

    class Program

    {

​

​

        static Queue Y11 = new Queue();

        static Queue Y12 = new Queue();

        static Queue B = new Queue();

​

​

        static void Main(string[] args)

        {

            while (true)

            {

​

                Console.WriteLine("Enter Your Credentials:");

                Console.WriteLine("_______________________");

                Console.WriteLine("Example: (ID, Year Level, Phone Number, Name, School, Gender)\n");

​

                // Recognises input has to be separated by "," for it to split and look for next variable

                string[] parameters = Console.ReadLine().Split(',');

                Console.WriteLine("");

​

                // Assigns ylevel to parameter[1] and converts it to an integer

                int ylevel = Convert.ToInt32(parameters[1]);

​

                // When ylevel equals 11 enqueue students data into year 11 queue and print

                if (ylevel == 11)

                {

​

                    Y11.Enqueue(Convert.ToInt32(parameters[0]), Convert.ToInt32(parameters[1]), parameters[2], parameters[3], parameters[4], parameters[5]);

                    Showqueue(Y12, Y11, B);

                }

​

                // When ylevel equals 12 enqueue students data into year 12 queue and print

                else if (ylevel == 12)

​

                {

​

                    Y12.Enqueue(Convert.ToInt32(parameters[0]), Convert.ToInt32(parameters[1]), parameters[2], parameters[3], parameters[4], parameters[5]);

                    Showqueue(Y12, Y11, B);

                }

​

                // When ylevel is less than 11 enqueue students data into below year 11 and 12 queue and print

                else if (ylevel < 11)

                {

​

                    B.Enqueue(Convert.ToInt32(parameters[0]), Convert.ToInt32(parameters[1]), parameters[2], parameters[3], parameters[4], parameters[5]);

                    Showqueue(Y12, Y11, B);

​

                }

​

                // ADD MORE TO THIS EXCEPTION, SO IF SOMEONE ENTERS A STRING INSTEAD OF INT IT PROMTS ERROR

                // When ylevel is less than or equal to 0 or is greater than 12 print "Invalid Answer"

                else if (ylevel <= 0 || ylevel > 12)

                {

                    Console.WriteLine("Invalid Answer Silly Monkey");

                }

​

                Console.WriteLine("");

​

            }

​

        }

​

        // Headings for each queue

        // Calls Test method to print out entered data to desired queue

        static void Showqueue(Queue A, Queue B, Queue C)

        {

​

            Console.WriteLine("Year 12 Queue:");

            Console.WriteLine("______________\n");

            A.Test();

​

            Console.WriteLine("\nYear 11 Queue:");

            Console.WriteLine("______________\n");

            B.Test();

​

            Console.WriteLine("\nBelow Y11 & Y12 Queue:");

            Console.WriteLine("______________________\n");

            C.Test();

​

        }

​

​

    }

​

​

}