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

namespace NEA
{
    class Program
    {
        static void Main(string[] args)
        {
            Register();
        }
        static void Register()
        {
            string usernameToFile = getUsername();
            string passwordToFile = getPassword();
            writeAccountToFile(usernameToFile,passwordToFile);

            //Local Function getUsername retrieves name, age and year group and forms the username
            string getUsername()
            {
                //Input name
                Console.Write("Enter name: ");
                string name = Console.ReadLine();

                //Input age
                Console.Write("Enter age: ");
                string age = Console.ReadLine();

                //Enter year group
                Console.Write("Enter year group: ");
                string yearGroup = Console.ReadLine();

                //Does the name contain less than 3 characters?
                string usernamePrefix;
                if (name.Length > 3)
                {
                    usernamePrefix = name.Substring(0, 3);
                }
                else
                {
                    usernamePrefix = name;
                }

                //Creating username
                string username = usernamePrefix + age;

                //Is the username a duplicate? CANNOT CREATE UNTIL ABLE TO WRITE TO FILE FOR FORMATTING REASONS
                /*
                string[] lines = File.ReadAllLines(@"C:\Users\maxto\Desktop\accounts.txt");

                foreach(string line in lines)
                {
                } */

                return username;
            }

            //Local Function getPassword retrieves the password from the user and checks that it is longer than 7 chars
            string getPassword()
            {
                //Input password
                Console.Write("\nEnter your new password: ");
                string password = Console.ReadLine();

                //Does the password contain 8 or more characters?
                if(password.Length < 8)
                {
                    Console.WriteLine("Password must be at least 8 characters");
                    getPassword();
                }
                return password;
            }

            //Local Function writeAccount will write the username and password to a file
            void writeAccountToFile(string username,string password)
            {
                Console.WriteLine("test");
                /*using (StreamWriter accountWriter = new StreamWriter(@"C:\Users\maxto\Desktop\accounts.txt"))
                {
                    accountWriter.WriteLine();
                }*/
            }

        }
    }
    public class DebugVars
    {
    }
}