using System;

using System.Collections;

using System.Collections.Generic;

​

public class Address

{

    public string Street { get; set; }

    public string City { get; set; }

​

    public override string ToString()

    {

        return "Street: " + Street + "\nCity: " + City;

    }

}

​

public class Person

{

    public Address HomeAddress { get; set; }

    public string ID { get; set; }

    public string FirstName { get; set; }

    public string LastName { get; set; }

    public Person (string id , string firstName , string lastName)

    {

        this.ID = id;

        this.FirstName = firstName;

        this.LastName = lastName;

    }

    public virtual string GetInfo()

    {

        return "ID : " + this.ID + "\nName : " + this.FirstName + " " + this.LastName;

    }

    public override string ToString()

    {

        return GetInfo() + "\nAddress : " + HomeAddress.ToString();

    }

}

public class Employee : Person

{

    public string CompanyName{ get; set; }

    public Employee (string id , string firstName , string lastName , string companyName) : base(id,firstName,lastName)

    {

        this.CompanyName = companyName;

    }

    public override string GetInfo()

    {

        return base.ToString() + "\nCompany : " + this.CompanyName ;

    }

}

public class HomeAddress : Address

{

}

public class Program

{

    public static List<Employee> people;

    private static void Initialise()

    {

        people = new List<Employee>();

    }

    public static void EmployeeAdd()

    {

        Console.WriteLine("Please supply the following Employee info: ");

        Console.Write("ID : ");

        string idInput = Console.ReadLine();

        Console.Write("First Name : ");

        string nameInput1 = Console.ReadLine();

        Console.Write("Last Name : ");

        string nameInput2 = Console.ReadLine();

        Console.WriteLine("Street : ");

        string streetName = Console.ReadLine();

        Console.WriteLine("City : ");

        string cityName = Console.ReadLine();

        Console.WriteLine("Company : ");

        string companyName = Console.ReadLine();

        Console.WriteLine("Successfully added an employee!!");

        Employee employee = new Employee(idInput, nameInput1,nameInput2,companyName)

        {

            HomeAddress = new Address

            {

                Street = streetName,

                City = cityName

            }

        };

​

        //Employee employee = new Employee( idInput , nameInput1,  nameInput2, companyName );

        people.Add(employee);

        EmployeeList();

    }

    public static void EmployeeList()

    {

        Console.WriteLine("List for all Employees : ");

        Console.WriteLine();

        foreach(Employee person in people)

        {

            Console.WriteLine(person.GetInfo());

            Console.WriteLine("--------------------------");

        }

        Console.WriteLine();

    }

    public static void Main()

    {

        char choice = '0';

        Console.WriteLine("Please enter option x to exit or 1 to proceed to employee menu");

        choice = Convert.ToChar(Console.ReadLine());

        while(choice == '1')

        {

            Initialise();

            EmployeeAdd();

            Console.WriteLine("Please enter option x to exit or 1 to proceed to employee menu");

            choice = Convert.ToChar(Console.ReadLine());

        }

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine("Exiting the program!!!");

    }

}