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

namespace UppgiftLönespec
{
    class Program
    {
        static void Main(string[] args)
        {

            NumberFormatInfo nfi = new CultureInfo("en-US", false).NumberFormat;
            nfi.CurrencyDecimalSeparator = ",";
            nfi.CurrencyGroupSeparator = ".";
            nfi.CurrencySymbol = "";

            while (true)
            {
                int median = 0;
                int medellön = 0;
                int lönespridning = 0;
                int antalLöner = mataInInt("Ange antal löner att mata in:  ");

                try
                {
                    if (antalLöner < 1) throw new Exception("Antalet löner kan inte vara färre än 1");
                }
                catch (Exception e)
                {
                    Console.WriteLine("\n" + e.Message);
                    Console.WriteLine("Vänligen skriv igen...");
                    continue;
                }

                int[] löner = new int[antalLöner];

                for (int i = 0; i < löner.Length; i++)
                {
                    while (true)
                    {
                        int svar = mataInInt($"Ange lön nummer {i + 1}: ");
                        if (svar < 0)
                        {
                            Console.WriteLine("\nDu kan inte skriva in en negativ lön.");
                            Console.WriteLine("Vänligen skriv igen...");
                            continue;
                        }
                        löner[i] = svar;
                        break;
                    }
                }

                Array.Sort(löner);

                if (löner.Length % 2 == 0)
                {
                    int median1 = löner.Length / 2;
                    int median2 = (löner.Length / 2) + 1;

                    median = (löner[median1 - 1] + löner[median2 - 1]) / 2;
                }
                else
                {
                    median = löner[löner.Length / 2];
                }

                medellön = (int)löner.Average();

                lönespridning = löner.Max() - löner.Min();

                Console.WriteLine();
                for (int i = 0; i < 36; i++) Console.Write("-");

                Console.WriteLine($"\nMedianlön: \t{median.ToString("C0", nfi)} kr");
                Console.WriteLine($"Medellön: \t{medellön.ToString("C0", nfi)} kr");
                Console.WriteLine($"Lönespridning: \t{lönespridning.ToString("C0", nfi)} kr");

                for (int i = 0; i < 36; i++) Console.Write("-");

                int antalRader = (int)Math.Round(löner.Length / 3.0);

                Console.Write("\n");
                for (int i = 0; i < antalRader; i++)
                {
                    for (int j = 0; j < 3; j++)
                    {
                        if (j + (i * 3) >= antalLöner)
                        {
                            break;
                        }
                        else
                        {
                            Console.Write($" \t{löner[j + (i * 3)]}");
                        }
                    }
                    Console.Write("\n");
                }

                Console.BackgroundColor = ConsoleColor.Green;
                Console.ForegroundColor = ConsoleColor.White;
                Console.CursorVisible = false;
                Console.Write("\nTryck tangent för ny beräkning- Esc avslutar.");

                if (Console.ReadKey(true).Key == ConsoleKey.Escape) break;

                Console.ResetColor();
                Console.CursorVisible = true;
                Console.Clear();
            }
        }

        static int mataInInt(string fråga)
        {
            int svar = 0;

            while (true)
            {
                try
                {
                    Console.Write(fråga);
                    svar = int.Parse(Console.ReadLine());

                    break;
                }
                catch (Exception e)
                {
                    Console.WriteLine("\n" + e.Message);
                    Console.WriteLine("Vänligen skriv igen...");
                    continue;
                }
            }

            return svar;
        }
    }
}