using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using PlayerIO.GameLibrary;

namespace Enline
{
    class Detector
    {
        //public System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(600, 600, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
        public System.Drawing.Pen pen = new System.Drawing.Pen(System.Drawing.Color.FromArgb(30,255,0,0), 4);
        public int R = 20; //radius around the player locations to check
        //public Player checkee;

        public void Main() {
        }

        public Rectangle result(Player checkee, List<Player> players) {
            //List<Graphics> lines = new List<Graphics>();

            Pen pen = new System.Drawing.Pen(System.Drawing.Color.Red, 4f);
            Bitmap bitmap = new System.Drawing.Bitmap(600, 600, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            Graphics g = Graphics.FromImage(bitmap);
            g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;

            foreach (Player player in players)
            {
               if (player!=checkee) drawPath(player,g,bitmap);
            }

            g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
            drawPath(checkee, g, bitmap);

            //findTheSpot(bitmap,checkee);

            return findTheSpot(bitmap, checkee);

            g.Dispose();
        }

        public Graphics drawPath(Player player, Graphics g, Bitmap bitmap){
            //Graphics g = Graphics.FromImage(bitmap);

            float command;
            bool counts = false;
            List<PointF> path = new List<PointF>();

            for (int q = 0; q < player.path.Count; q += 3)
            {
                command = player.path[q];
                if (command == 1) counts = !counts;
                path.Add(new PointF(player.path[q + 1], player.path[q + 2]));

                if (counts != true)
                {
                    g.DrawLines(pen, path.ToArray());
                    path.Clear();
                    g = Graphics.FromImage(bitmap);
                }
            }
           return g;
        }

        public Rectangle findTheSpot(Bitmap map, Player player){
            Color pixel;
            Rectangle rect = new Rectangle(0,0,0,0);
            map.Save("C:\\Photon\\hitmap.bmp");

            int minWidth = Convert.ToInt16( player.x - R);
            if (minWidth < 0) minWidth = 0;

            int minHeight = Convert.ToInt16(player.y - R);
            if (minHeight < 0) minHeight = 0;

            int maxWidth = minWidth + R*2;
            if (maxWidth > map.Width) maxWidth = map.Width;

            int maxHeight = minHeight + R*2;
            if (maxHeight > map.Height) maxHeight = map.Height;

            for (int i = minWidth; i < maxWidth; i++)
            {
                for (int k = minHeight; k < maxHeight; k++)
                {
                    pixel = map.GetPixel(i, k);
                    if (pixel.A != 0 && pixel.A != pen.Color.A)
                    {
                        if (rect.X == 0) rect.X = i;
                        if (rect.Y == 0) rect.Y = k;
                        if (rect.Width < i - rect.X) rect.Width = i - rect.X;
                        if (rect.Height < k) rect.Height = k - rect.Y;
                    }
                }
            }
            return rect;
        }

    }
}