using System;

public class Program

{

    public static void Main()

    {

        double [] pricesArray = new double [] {29.99, 49.99, 199.99, 499.99, 549.99, 649.99, 149.99, 299.99, 499.99, 599.99};

        string [] deviceArray = new string [] {"1: Phone; BPCM; Compact", "2 : Phone; BPSH; Clam shell", "3: Phone; RPSS; RoboPhone - 5-inch screen & 64G", "4: Phone; RPLL; RoboPhone - 6-inch screen &256G", "5: Phone; YPLS; Y-Phone.S- 6-inch screen & 64G", "6: Phone; YPLL; Y-Phone.D- 6-inch screen & 256G", "7: Tablet; RTMS; RoboTab- 8-inch screen & 64G", "6: Tablet; RTLM; RoboTab- 10-inch screen & 128G", "8: Tablet; YTLM; Y-Tab.s- 10-inch screen & 128G", "9: Tablet; YTLM; Y-Tab.s- 10-inch screen & 256G"};

        double totalCost = 0;

        int deviceNumber = 0;

        int i = 0;

        while(true)

        {

            for(i = 0; i < 10; i++)

            {

                Console.WriteLine(deviceArray[i], pricesArray[i]);

            }

            for (i = 0; i <= deviceNumber; i++)

            {

                int Device = 0;

                while(true)

                {

                    Console.WriteLine("Please Input your choice out of the following numbers 1-10:");

                    int cDevice = Convert.ToInt32(Console.ReadLine());

                    if(cDevice < 0|| cDevice > 10)

                    {

                        Console.WriteLine("Please re-enter");

                    }

                    else

                    {

                        Device = cDevice + Device;

                        break;

                    }

                }  

                while(true)

                {

                    if (deviceNumber > 0)

                    {

                        totalCost = pricesArray[Device]*0.1+totalCost;

                        totalCost = totalCost + totalCost;

                        break;

                    }

                    if (deviceNumber == 0)

                    {

                        totalCost = totalCost + pricesArray[Device]; 

                        break;

                    }

                    else

                    {

                        Console.WriteLine("invalid input. Please re-enter");

                    }

                }

                int cContract = 0;

                while(true)

                {

                    Console.WriteLine("Would you like a Sim Free or pay as you go");

                    Console.WriteLine("please enter: 1 for Sim Free|| 2 for pay as you go");

                    cContract = cContract + Convert.ToInt32(Console.ReadLine());

                    if(cContract == 1)

                    {

                        break;

                    }

                    if(cContract == 2)

                    {

                        totalCost = totalCost + 9.99;

                        break;

                    }

                    else

                    {

                        Console.WriteLine("invalid input. Please re-enter");

                    }

                }       

                int cCase = 0;

                while(true)

                {

                    Console.WriteLine("what case would you like Standard or Luxury:");

                    Console.WriteLine("1 : $19.99");

                    Console.WriteLine("2 : $15.99");

                    cCase = cCase + Convert.ToInt32(Console.ReadLine());

                    if(cCase == 1)

                    {

                        totalCost = totalCost + 9.99;

                        break;

                    }

                    if(cCase == 2)

                    {

                        totalCost = totalCost + 15.99;

                        break;

                    }

                    else

                    {

                        Console.WriteLine("invalid input. Please re-enter");

                    }

                }

                int cCharger = 0;

                while(true)

                {

                    Console.WriteLine("what charger would you like home or car:");

                    Console.WriteLine("1 : $0");

                    Console.WriteLine("2 : $50");

                    cCharger = cCharger + Convert.ToInt32(Console.ReadLine());

                    if(cCharger == 1)

                    {

                         break;

                    }

                    if(cCharger == 2)

                    {

                         totalCost = totalCost + 50;

                         break;

                    }

                    else

                    {

                        Console.WriteLine("invalid input. Please re-enter");

                    }

                }   

            }

            Console.WriteLine("Would you like another device: yes||no");

            if(Console.ReadLine()== "no")

            {

                break;

            }

            if(Console.ReadLine()== "yes")

            {

                deviceNumber++;

            }

        }   

        Console.WriteLine("this costed you{0}", totalCost + "$");

        Console.ReadLine();

    }

}