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


namespace Prog1_Methods_Ex1_Ludwig_Kennberg_Te16B
{
    class Program
    {

        static string username;
        static string userpassword;
        static string userfirstname;
        static string userlastname;
        static string adress;
        static string usercardnumber;
        static string userphonenumber;
        static double balance = 0;
        static void Main(string[] args)
        {
            LogInMenu(); //calls the login menu
        }
        static void LogInMenu()
        {
            Console.Clear();
            Console.BackgroundColor = ConsoleColor.White;
            Console.ForegroundColor = ConsoleColor.Black;
            Console.WriteLine("Välkommen till Banken!");
            Console.BackgroundColor = ConsoleColor.Black;
            Console.ForegroundColor = ConsoleColor.Gray;
            Console.WriteLine("[1] Logga in");
            Console.WriteLine("[2] Skapa nytt konto");
            Console.WriteLine("[3] Avsluta");


            int option = (Console.ReadKey().GetHashCode());

            if (option == 49) //If the user selects 1, the user enters the user loginmenu
            {
                userLogIn();
            }
            else if (option == 50) //If the user selects 1, the user enters the createaccountmeny
            {
                UserCreateAccount();
            }
            else if (option == 51) //If the user selects 1, they will shut down the console
            {
                Environment.Exit(0);
            }
            else
            {
                Console.WriteLine("Ogiltigt kommando!");
                LogInMenu();
            }

        }
        static void userLogIn()
        {
            Console.Clear();
            Console.Write("Användarnamn: ");
            string USERNAME = Console.ReadLine();
            Console.Write("Lösenord: ");
            string PASSWORD = Console.ReadLine();

            if (USERNAME == username && PASSWORD == userpassword)  //if the username and password that the user entered when creating the account is the same as in the login, you will continue to the main menu.
            {
                Console.Clear();
                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("Inloggningen lyckades!, vänligen vänta medans vi loggar in dig!");
                Thread.Sleep(5000);

                Console.ForegroundColor = ConsoleColor.Gray;
            }
            else if (USERNAME != username || PASSWORD != userpassword) //if the username and password that the user entered when creating the account is not the same as in the login, you will get asked to, log in again or go back to the loginmenu.
            {
                Console.Clear();
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("Inloggningen misslyckades, Vänligen försök igen!");
                Console.ForegroundColor = ConsoleColor.Gray;
                Console.WriteLine("[1] Logga in igen!");
                Console.WriteLine("[2] Gå tillbaka till menyn!");
                int option = (Console.ReadKey().GetHashCode());

                if (option == 49) //If the user selects 1, the user enters the log in menu again
                {
                    userLogIn();
                }
                if (option == 50) //If the user selects 2, the user enters the first menu
                {
                    LogInMenu();
                }

                Console.ForegroundColor = ConsoleColor.Gray;

            }
        }
        static void UserCreateAccount()
        {
            Console.Clear();
            Console.BackgroundColor = ConsoleColor.White;
            Console.ForegroundColor = ConsoleColor.Black;
            Console.WriteLine("Vänligen skapa ditt konto");
            Console.BackgroundColor = ConsoleColor.Black;
            Console.ForegroundColor = ConsoleColor.Gray;
            Console.Write("Förnamn: ");
            string userfirstname = Console.ReadLine();
            Console.Write("Efternamn: ");
            string userlastname = Console.ReadLine();
            Console.Write("Telefonnummer: ");
            long userphonenumber;

            //makes an error if typing your phonenumber in chars
            while (!long.TryParse(Console.ReadLine(), out userphonenumber))
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("");
                Console.Write("Vänligen skriv in ditt telefon nummer igen!");
                Console.Write("Telefon nummret får endast innehålla siffror!");
                Console.Write("");
                Console.ForegroundColor = ConsoleColor.Gray;
                Console.Write("Telefonnummer: ");

            }
            Console.Write("Adress: ");
            string adress = Console.ReadLine();
            Console.Write("Kortnummer: ");
            string usercardnumber = Console.ReadLine();
            //makes an error if the amount of numbers in the cardnumber is shorter than 13 and longer than 19, then request the user to rewrite their cardnumber.
            while (usercardnumber.Length >19 || usercardnumber.Length < 13)
            {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("");
                    Console.WriteLine("Vänligen skriv in ditt kortnummer igen!");
                    Console.WriteLine("Ditt kortnummer får endast vara mellan, 13 och 19 siffror långt!");
                    Console.WriteLine("");
                    Console.ForegroundColor = ConsoleColor.Gray;
                    Console.Write("Kortnummer: ");
                    usercardnumber = Console.ReadLine();
            }
            Console.Write("Användarnamn: ");
            username = Console.ReadLine();
            Console.Write("Lösenord: ");
            userpassword = Console.ReadLine();

            LogInMenu();

            MainMenu(userfirstname, userlastname, userphonenumber, adress, usercardnumber);
        }
        static void MainMenu(string userfirstname, string userlastname, long userphonenumber, string adress, string usercardnumber)
        {
            Account bank = new Account();

            while (true) //why I just choosed to use me out of a while rate and not a for rate was because I knew that the user will repeat the menu several times, a while rate can be repeated unexpectedly with times while a for rate can not
            {

                Console.WriteLine("Ditt kontosaldo är: " + balance + ".00kr");
                Console.BackgroundColor = ConsoleColor.White;
                Console.ForegroundColor = ConsoleColor.Black;
                Console.WriteLine("\nVälkommen " + userfirstname + " " + userlastname + "!"); //Writing out "Welcome" + the first name and last name that the user entered when creating the account.
                Console.BackgroundColor = ConsoleColor.Black;
                Console.ForegroundColor = ConsoleColor.Gray;
                Console.WriteLine("[1]Insättning");
                Console.WriteLine("[2]Uttag");
                Console.WriteLine("[3]Konto detaljer");
                Console.WriteLine("[4]Logga ut");
                Console.WriteLine("[5]Avsluta");

                int choice = (Console.ReadKey().GetHashCode());

                if (choice == 49) //If the user selects 1, the user will get asked how much money he want to deposit
                {
                    balance = bank.deposit();
                }
                if (choice == 50) //If the user selects 2, the user will get asked how much money he wants to withdraw
                {
                    balance = bank.withdraw();
                }

                if (choice == 51) //If the user selects 3, the user enters the accountdetail method which will show what information the user entered when creating the account
                {
                    accountDetail(userfirstname, userlastname, userphonenumber, adress, usercardnumber);
                }
                if (choice == 52) //If the user selects 1, the user enters the frst menu
                {
                    LogInMenu();
                }
                if (choice == 53) //If the user selects 1, they will shut down the program
                {
                    Environment.Exit(0);
                }
                MainMenu(userfirstname, userlastname, userphonenumber, adress, usercardnumber);
            }
        }
        public class Account
        {
            //asks the user to enter how much money the user wants to deposit, and then add the value of the balance
            public double deposit() //why I use a static double is because I want to return a value, in this case, the deposit
            {
                Console.Clear();
                double deposit;

                Console.Write("Hur mycket pengar vill du sätta in: ");
                deposit = Double.Parse(Console.ReadLine());
                balance += deposit;
                return balance;
            }
            //asks the user to enter how much money the user wants to withdraw, and then removing the value from the balance
            public double withdraw() //why I use a static double is because I want to return a value, in this case, the withdraw
            {
                Console.Clear();
                double withdraw;
                Console.Write("Hur mycket pengar vill du ta ut: ");
                withdraw = Double.Parse(Console.ReadLine());
                //makes an error if the amount the user wants to withdraw is bigger than the balance
                if (withdraw > balance)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Uttagning misslyckades!");
                    Console.WriteLine("Ditt uttag överskrider ditt kontosaldo!");
                    Console.ForegroundColor = ConsoleColor.Gray;
                }
                else { balance -= withdraw; }

                return balance;
            }
        }
        static void accountDetail(string userfirstname, string userlastname, long userphonenumber, string adress, string usercardnumber)
        {
            Console.Clear();
            Console.BackgroundColor = ConsoleColor.White;
            Console.ForegroundColor = ConsoleColor.Black;
            Console.WriteLine("Konto detaljer!");
            Console.BackgroundColor = ConsoleColor.Black;
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine(" ");
            Console.WriteLine("Förnamn:" + userfirstname);
            Console.WriteLine("Efternamn:" + userlastname);
            Console.WriteLine("Telefonnummer: " + userphonenumber);
            Console.WriteLine("Adress:" + adress);
            Console.WriteLine("Kortnummer:" + usercardnumber);
            Console.WriteLine("Användarnamn:" + username);
            Console.WriteLine("Lösenord:" + userpassword);
            Console.WriteLine("");
            Console.ForegroundColor = ConsoleColor.Gray;
        }
    }
}