using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

​

namespace Assignment2_advanced

{

    public class Program

    {

        public static void Main()

        {

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            Queue<Customer> customerQueue = new Queue<Customer>();

            {

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                customerQueue.Enqueue(new Customer("Joe", "Smith"));

                customerQueue.Enqueue(new Customer(" Jane", "Jones"));

                customerQueue.Enqueue(new Customer("Jack", "Jump"));

                customerQueue.Enqueue(new Customer(" Jeff", "Run"));

                customerQueue.Enqueue(new Customer("John", "Winston"));

​

​

​

            }

​

​

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            var tablehandle = new HandleAlarmTable();

            var alarm = new AlarmTable();

            alarm.AlarmTableEvent += tablehandle.HandleAlarm;

            alarm.Alarm();

​

            var handCust = new handlecustomer();

            //  var almcust = new AlarmCustomer();

            while (customerQueue.Count > 0)

            {

                Customer fullname = customerQueue.Dequeue();

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                Customer cust = new Customer(fullname.Firstname, fullname.Lastname);

                cust.CustomerEvent += handCust.HandleAlarmCust;

                cust.meal = meals.none;

            }

​

​

        }

    }

​

​

    public class handlecustomer

    {

        public void HandleAlarmCust(object sender, CustEventArgs e)

        {

            Console.WriteLine(" {0} {1} got table",e.firstname,e.lastname, e.ord_meal );

            Thread.Sleep(1000);

            Console.WriteLine(" {0} {1} is having appetizer", e.firstname, e.lastname, e.ord_meal);

            Thread.Sleep(1000);

            Console.WriteLine(" {0} {1} is having main", e.firstname, e.lastname, e.ord_meal);

            Thread.Sleep(1000);

            Console.WriteLine(" {0} {1} is having desert", e.firstname, e.lastname, e.ord_meal);

            Thread.Sleep(1000);

            Console.WriteLine(" {0} {1} is having done.", e.firstname, e.lastname, e.ord_meal);

​

            var tablehandle = new HandleAlarmTable();

            var alarm = new AlarmTable();

            alarm.AlarmTableEvent += tablehandle.HandleAlarm;

            alarm.Alarm();

​

​

        }

​

    }

​

    //public class AlarmCustomer

    //{

​

​

    //    public void addcustomer(string firstname, string lastname)

    //    {

    //        CustomerDel alarmCustomer = CustomerEvent;

    //        if (CustomerEvent != null)

    //        {

    //            alarmCustomer(new Customer(firstname, lastname));

    //        }

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    //    }

​

    //}

​

    public delegate void CustomerDel(object sender, CustEventArgs e);

    public enum meals { none, appetizer, main, desert, done };

    public class Customer

    {

        public event CustomerDel CustomerEvent;

        public string Firstname { get; set; }

        public string Lastname { get; set; }

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        public meals meal

        {

            get { return meal; }

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            set

            {

                ;

                if (CustomerEvent != null)

                {

                    CustomerEvent(this, new CustEventArgs(meal.ToString() ,Firstname , Lastname));

                }

            }

        }

        public Customer(string firstname, string lastname)

        {

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            this.Firstname = firstname;

            this.Lastname = lastname;

        }

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    }

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    public class CustEventArgs : EventArgs

    {

        public string ord_meal;

        public string firstname;

        public string lastname;

        public CustEventArgs(string meal ,string Firstname , string Lastname)

        {

            this.ord_meal = meal;

            this.firstname = Firstname;

            this.lastname = Lastname;

        }

    }

​

​

​

​

​

​

​

​

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    public class HandleAlarmTable

    {

           public void HandleAlarm(object sender, table e)

        {

            Console.WriteLine("table is  {0}", e.message);

        }

​

    }

​

    public class AlarmTable

    {

        public event AlarmTableDel AlarmTableEvent;

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        public void Alarm()

        {

            AlarmTableDel alarm = AlarmTableEvent;

            if (AlarmTableEvent != null)

            {

                alarm(this, new table("open"));

            }

​

        }

    }

​

    public delegate void AlarmTableDel(object source, table e);

public class table : EventArgs

    {

        public string message; 

        public table(string Message)

        {

            this.message = Message;

        }

    }

}