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

namespace ConvertTo16x16
{

    class Count
    {
        public int Argb { get; set; }
        public Point Position { get; set; }
        public int Anzahl { get; set; }

        public Count(int Anzahl)
        {
            this.Anzahl = Anzahl;
        }

        public Count(int Argb, Point Position, int Anzahl)
        {
            this.Argb = Argb;
            this.Position = Position;
            this.Anzahl = Anzahl;
        }

    }

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

            //C:\Users\zamk\Bilder\RickNice.jpg

            string bildName = "RickNice.jpg";
            int PixelAnzahl = 16;

            Bitmap bmp = new Bitmap($@"D:\Pictures16\{bildName}"); // 
            Bitmap outcome = new Bitmap(PixelAnzahl, PixelAnzahl);
            int Width = bmp.Width / PixelAnzahl;
            int Height = bmp.Height / PixelAnzahl;



            for (int i = 0; i < PixelAnzahl; i++)
            {
                for (int j = 0; j < PixelAnzahl; j++)
                {
                
                    List<Count> Argb = new List<Count>();

                    for (int x = Width * i; x < Width * (i + 1); x++)
                    {
                        for (int y = Height * j; y < Height * (j + 1); y++)
                        {

                            bool Exists = false;

                            foreach (var item in Argb)
                            {
                                if (bmp.GetPixel(x, y).ToArgb() == item.Argb) //Zu switch case umbauen
                                {
                                    Exists = true;
                                    item.Anzahl += 1;
                                }
                            }

                            if (!Exists)
                            {
                                Argb.Add(new Count(bmp.GetPixel(x, y).ToArgb(), new Point(x, y), 1));
                            }
                        }
                    }


                    Count BiggestItem = new Count(0);

                    foreach (var item in Argb)
                    {
                        if (item.Anzahl > BiggestItem.Anzahl)
                        {
                            BiggestItem = item;
                        }
                    }

                    outcome.SetPixel(i, j, Color.FromArgb(BiggestItem.Argb));

                }
            }

            outcome.Save($@"D:\Pictures16\16x16{bildName}");

        }
    }
}