using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net;

namespace BattlEye
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string path1 = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
            string path2 = path1 + "\\AppData\\Local\\ArmA 2 OA\\BattlEye\\BEClient.dll";
            string beClientMD5;
            string beHash;
            TextReader tr = new StreamReader("md5hash.txt");
            beClientMD5 = tr.ReadLine();
            tr.Close();
            beHash = GetMD5HashFromFile(path2);
            beStatus.Text = Status(beHash, beClientMD5);
        }

        private static string GetMD5HashFromFile(string fileName)
        {
            FileStream file = new FileStream(fileName, FileMode.Open);
            System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            byte[] retVal = md5.ComputeHash(file);
            file.Close();

            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < retVal.Length; i++)
            {
                sb.Append(retVal[i].ToString("x2"));
            }
            return sb.ToString();
        }

        public static string Status(string md5, string beclientmd5)
        {
            Form1 form = new Form1();
            if (md5 == beclientmd5)
            {
                return "Up to date!";
            }
            else
            {
                return "Wrong version!";
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            WebClient webClient = new WebClient();
            webClient.DownloadFile("http://dl.dropbox.com/u/95266139/md5hash.txt", "md5hash.txt");
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                string path1 = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
                string path2 = path1 + "\\AppData\\Local\\ArmA 2 OA\\BattlEye\\BEClient.dll";
                WebClient webClient = new WebClient();
                webClient.DownloadFile("http://dl.dropbox.com/u/95266139/BEClient.dll", path2);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }
    }
}