/******************************************************/
/* Introduction to Programming                        */
/* By Dr. ANTF                                        */
/* www.antf.net                                       */
/* Copyright 2015                                     */
/*                                                    */
/* C# 207 - Problem 4: Unit Transformer               */
/******************************************************/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DOS
{
    class Program
    {
        static void Main(string[] args)
        {
            float userData;
            int menuSelection;

            //display the menu
            Console.WriteLine("Please select the unit that you will start from: ");
            Console.WriteLine("\t\tPress (1) for cm\n\t\tPress (2) for in\n\t\tPress (3) for f");
            Console.Write("Your selection: ");
            menuSelection = int.Parse(Console.ReadLine());

            //displplay the second menu and calculate the result
            if (menuSelection == 1) //centimeters
            {
                //read the data
                Console.Write("\nPlease enter the date you want to convert: ");
                userData = float.Parse(Console.ReadLine());

                Console.WriteLine("\n\nPlease select the unit to transform to: ");
                Console.WriteLine("\t\tPress (1) for in\n\t\tPress (2) for f\n\t\tPress (3) for both");
                Console.Write("Your selection: ");
                menuSelection = int.Parse(Console.ReadLine());
                if (menuSelection == 1) Console.WriteLine("\n\n{0} cm ----> {1:0.0000} in", userData, userData / 2.54);
                else if (menuSelection == 2) Console.WriteLine("\n\n{0} cm ----> {1:0.0000} f", userData, userData / 30.48);
                else
                {
                    Console.WriteLine("\n\n{0} cm ----> {1:0.0000} in", userData, userData / 2.54);
                    Console.WriteLine("{0} cm ----> {1:0.0000} f", userData, userData / 30.48);
                }
            }

            else if (menuSelection == 2) //inch
            {
                //read the data
                Console.Write("\nPlease enter the date you want to convert: ");
                userData = float.Parse(Console.ReadLine());

                Console.WriteLine("\n\nPlease select the unit to transform to: ");
                Console.WriteLine("\t\tPress (1) for cm\n\t\tPress (2) for f\n\t\tPress (3) for both");
                Console.Write("Your selection: ");
                menuSelection = int.Parse(Console.ReadLine());
                if (menuSelection == 1) Console.WriteLine("\n\n{0} in ----> {1:0.0000} cm", userData, userData * 2.54);
                else if (menuSelection == 2) Console.WriteLine("\n\n{0} in ----> {1:0.0000} f", userData, userData * 0.0833);
                else
                {
                    Console.WriteLine("\n\n{0} in ----> {1:0.0000} cm", userData, userData * 2.54);
                    Console.WriteLine("{0} in ----> {1:0.0000} f", userData, userData * 0.0833);
                }
            }

            else if (menuSelection == 3) //foot
            {
                //read the data
                Console.Write("\nPlease enter the date you want to convert: ");
                userData = float.Parse(Console.ReadLine());

                Console.WriteLine("\n\nPlease select the unit to transform to: ");
                Console.WriteLine("\t\tPress (1) for cm\n\t\tPress (2) for in\n\t\tPress (3) for both");
                Console.Write("Your selection: ");
                menuSelection = int.Parse(Console.ReadLine());
                if (menuSelection == 1) Console.WriteLine("\n\n{0} f ----> {1:0.0000} cm", userData, userData * 30.48);
                else if (menuSelection == 2) Console.WriteLine("\n\n{0} f ----> {1:0.0000} in", userData, userData / 0.0833);
                else
                {
                    Console.WriteLine("\n\n{0} f ----> {1:0.0000} cm", userData, userData * 30.48);
                    Console.WriteLine("{0} f ----> {1:0.0000} in", userData, userData / 0.0833);
                }
            }

            else Console.WriteLine("\n\nYou entered a wrong selection, press any key to quit.");

            Console.ReadKey();
        }
    }
}