using System;
using System.Collections.Generic;

namespace unnamed_project_idk
{
    class Program
    {
        static void Main(string[] args)
        {
            Phonebook();
        }
        static void Phonebook()
        {
            Console.ForegroundColor = ConsoleColor.Magenta;
            Console.WriteLine("Phonebook, add contacts, whats the contact name..", Console.ForegroundColor);
            string contactname = Console.ReadLine();

            List<string> contacts = new List<string>();
            Console.WriteLine("Whats the contacts phone number..");
            int contactnumber = Convert.ToInt32(Console.ReadLine());
            contacts.Add($"{contactname} at number {contactnumber}");
            Console.WriteLine("Would you like to see what contacts you have so far?");

            string viewc = Console.ReadLine();
            if(viewc == "yes")
            {
                foreach(var contact in contacts)
                {
                    Console.WriteLine(contact);
                }
            }
            else if(viewc == "no")
            {
                Console.WriteLine("Okey");
            }
            else
            {
                Console.WriteLine("Please type either yes or no");
            }
            KeepGoing();
        }
        static void KeepGoing()
        {
            Console.WriteLine("Would you like to add more contacts?");
            string[] answers = {"yes", "yeah"};
            string response = Console.ReadLine();

            bool canswer = Array.Exists(answers, answer => answer.Equals(response));
            if(canswer)
            {
                Phonebook();
            }
            else if(response == "no")
            {
                Console.WriteLine("C'ya nerd");
            }
            else
            {
                Console.WriteLine("Please either type yes, yeah, or no");
            }
        }
    }
}