using System;


namespace CSharpInterfaceDemo
{
    /***************************************** INTERFACE *****************************************/
        // Define the interface
        // Note: An interface contains only the signatures of methods, delegates or events.
        //The implementation of the methods is done in the class that implements the interface
        interface IClient
        {
            void Order(int orderNum);
            string name { get; set; }
            string address { get; set; }
        }

    /**************************** CLASS THAT IMPLEMENTS THE INTERFACE ****************************/
        // Create a Customer class that implements the IClient interface
        //The class must implement all the method(s) defined in the interface
        public class Customer : IClient
        {
            public string name { get; set; }
            public string address { get; set; }

            public Customer(string s)
            {
                Console.WriteLine("Creating a New Customer ID: {0}", s);
            }

            // Implement the Order method (mandatory)
            public void Order(int newOrder)
            {
                Console.WriteLine(
                    "Implementing the Order Method for IClient. The Order Number is: {0}", newOrder);
            }
        }
      
    /**************************** USE THE CLASS ****************************/
        class Program
        {
            public void Run()
            {
                //Initialize a new Customer instance
                Customer customer = new Customer("H56388");
                
                //set the customer's name
                customer.name = "Brian Ferry";

                //set the customer's address
                customer.address = "23 Orange Lane, Clifton, Bristol, BS6 5FH";

                //Display the customer's name
                Console.WriteLine("The Name of the Customer is: {0}", customer.name);

                //Display the customer's address
                Console.WriteLine("The Address of the Customer is: {0}", customer.address);

                //Call the method "Order" with parameter 1234
                customer.Order(1234);
            }

            static void Main()
            {
                //This block is executed when the application is started

                //Initialize an instance of "Program" class
                Program t = new Program();
                //Call the method "Run". The block inside "run" will be executed
                t.Run();

                Console.ReadLine();
            }
        }
}