using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Drawing;

namespace SalemMapper
{
    class MainClass
    {
        static void Main(String[] args)
        {
            DirectoryInfo di = new DirectoryInfo(Environment.CurrentDirectory);
            FileInfo[] fi = di.GetFiles();
            int minx = 100, maxx = -100, miny = 100, maxy = -100;
            foreach (FileInfo fiTemp in fi)
            {
                if(fiTemp.Name.StartsWith("tile")){
                    String s1 = fiTemp.Name.Substring(fiTemp.Name.IndexOf('_') + 1, fiTemp.Name.LastIndexOf('_') - fiTemp.Name.IndexOf('_') - 1);
                    int x = Convert.ToInt32(s1);
                    int i1 = fiTemp.Name.LastIndexOf('_') + 1;
                    int i2 = fiTemp.Name.IndexOf('.') - fiTemp.Name.LastIndexOf('_') - 1;
                    String s2 = fiTemp.Name.Substring(i1, i2);
                    int y = Convert.ToInt32(s2);
                    if (minx > x) minx = x;
                    if (maxx < x) maxx = x;
                    if (miny > y) miny = y;
                    if (maxy < y) maxy = y;
                }
            }

            FileInfo[,] fis = new FileInfo[maxx - minx + 1, maxy - miny + 1];
            foreach (FileInfo fiTemp in fi)
            {
                if(fiTemp.Name.StartsWith("tile")){
                    String s1 = fiTemp.Name.Substring(fiTemp.Name.IndexOf('_') + 1, fiTemp.Name.LastIndexOf('_') - fiTemp.Name.IndexOf('_') - 1);
                    int x = Convert.ToInt32(s1);
                    int i1 = fiTemp.Name.LastIndexOf('_') + 1;
                    int i2 = fiTemp.Name.IndexOf('.') - fiTemp.Name.LastIndexOf('_') - 1;
                    String s2 = fiTemp.Name.Substring(i1, i2);
                    int y = Convert.ToInt32(s2);

                    fis[x - minx, y - miny] = fiTemp;
                }
            }

            Bitmap b = new Bitmap((maxx - minx + 1)*100, (maxy - miny +1)*100);
            for (int i = 0; i < fis.GetLength(0); i++)
            {
                for (int j = 0; j < fis.GetLength(1); j++)
                {
                    try
                    {
                        Bitmap bt = new Bitmap(fis[i, j].Name);
                        Graphics g = Graphics.FromImage(b);
                        g.DrawImage(bt, new Point(i * 100, j * 100));
                    }catch(Exception){

                    }
                }
            }

            b.Save("mapped.png");
        }
    }
}