using System;

using System.IO;

using System.Text;

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namespace Assignment1

{

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    public class Program

    {

        public static void Main()

        {

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            #region Show SavedData

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            Customer[] customerSavedArray = new Customer[3];

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            Order or11 = new Order(25000.00, 4, new Automobile());

            Order or12 = new Order(15000, 3, new Motorcycle());

            IOrder[] Order121 = new Order[2];

            Order121[0] = or11;

            Order121[1] = or12;

            customerSavedArray[0] = new Customer("Jane", "Doe", Order121);

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            or11 = null;

            or12 = null;

            Order121 = null;

            or11 = new Order(10000, 3, new Automobile());

            Order121 = new Order[1];

            Order121[0] = or11;

            customerSavedArray[1] = new Customer("John", "Smith",Order121);

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            or11 = null;

            Order121 = null;

            or11 = new Order(18000, 2, new Motorcycle());

            Order121 = new Order[1];

            Order121[0] = or11;

            customerSavedArray[2] = new Customer("Mary", "A J", Order121);

            WriteData(customerSavedArray);

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            #endregion

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        }

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        #region Show Data

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        private static void WriteData(Customer[] customerArr)

        {

            StreamWriter sw = new StreamWriter("c:\\ResultofAssignment3.txt", false);

            foreach (Customer cust in customerArr)

            {

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                sw.WriteLine("************************************************************");

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                sw.WriteLine(cust.WriteCustomer());

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                if (cust.CustomerOrders.Length > 0)

                {

                    sw.Write("Orders:");

                    foreach (Order or in cust.CustomerOrders)

                    {

                        sw.WriteLine(or.WriteOrder());

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                    }

                    sw.WriteLine();

                }

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            }

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            sw.WriteLine("************************************************************");

            sw.Close();

        }

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        #endregion

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    }

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    #region Customer Class

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    public interface ICustomer

    {

        string WriteCustomer();

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    }

    public class Customer : ICustomer

    {

        private string _firstName;

        private string _lastName;

        public IOrder[] CustomerOrders;

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        public Customer(string FirstName, string LastName,IOrder[] Orders)

        {

            _firstName = FirstName;

            _lastName = LastName;

            CustomerOrders = Orders;

        }

        public string WriteCustomer()

        {

            return ("Customer : " + _firstName + " "  + _lastName).ToString();

        }

    }

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    #endregion

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    #region Order Class

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    public interface IOrder

    {

         string WriteOrder();

    }

    public class Order : IOrder

    {

        private double _price;

        private IVehicle _vehicle;

        private int _qnty;

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        public Order(double Price,int Qnty,IVehicle Vehicle)

        {

            _price = Price;

            _qnty = Qnty;

            _vehicle = Vehicle;

        }

        public string WriteOrder()

        {

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            return (_vehicle.VehicleType + " -  " + _price.ToString("C") + " - " + _qnty.ToString() + " - " + _vehicle.CargoCapacity()).ToString();

        }

    }

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    #endregion

    public interface IVehicle

    {

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        int Wheels { get; set; }

        string Description { get; set; }

        string HorsePower { get; set; }

        string VehicleType { get; set; }

        double CargoCapacity();

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    }

    public class Automobile : IVehicle

    {

        public double CargoCapacity()

        {

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            int length = 6;

            int width = 5;

            int height = 4;

            double Auto = (length * width * height);

            return Auto;

        }

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        public int Wheels { get; set; }

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        public string Description { get; set; }

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        public string HorsePower { get; set; }

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        public string VehicleType

        {

            get { return "AutoMobile"; }

            set

            {

            }

        }

    }

    public class Motorcycle : IVehicle

    {

        public  double CargoCapacity()

        {

            double radius = 4;

            int height = 4;

            double pi = 3.14;

            double Motor = (pi * (radius * radius) * height) * 2;

            return Motor;

        }

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        public int Wheels { get; set; }

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        public string Description { get; set; }

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        public string HorsePower { get; set; }

        public string VehicleType

        {

            get { return "Motorcycle"; }

            set

            {

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            }

        }

    }

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}

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