using System;
using System.IO;
using System.Threading;
using System.Management;
using System.Windows.Forms;
using System.Security.Cryptography;
using System.Net.NetworkInformation;

namespace FileSecurity_Client
{
    static class Program
    {
        public static String LocalPath = String.Format("{0}\\", Environment.CurrentDirectory);
        //public static String Token;
        public static String MacAddress;
        public static String UniqueID;

        [STAThread]
        static void Main()
        {
            SetMacAddress();
            SetUniqueID();

            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Main());
        }

        public static void Message(String Message, params Object[] Args)
        {
            String FormattedMessage = String.Format(Message, Args);

            MessageBox.Show(FormattedMessage, Properties.Settings.Default.Name, MessageBoxButtons.OK, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
        }

        public static void Shutdown() { Environment.Exit(-1); }

        public static void ShutdownTimer(Int32 Time)
        {
            Thread.Sleep(Time);

            Environment.Exit(-1);
        }

        public static String MD5Hash(String FilePath)
        {
            using (var MD5Create = MD5.Create())
            {
                using (var FileStream = File.OpenRead(FilePath)) { return BitConverter.ToString(MD5Create.ComputeHash(FileStream)).Replace("-", ""); }
            }
        }

        private static void SetMacAddress()
        {
            foreach (var Network in NetworkInterface.GetAllNetworkInterfaces())
            {
                if (Network.OperationalStatus == OperationalStatus.Up)
                {
                    MacAddress = Convert.ToString(Network.GetPhysicalAddress());

                    return;
                }
            }
        }

        private static void SetUniqueID()
        {
            String Drive = "C";

            String VolumeSerial = GetVolumeSerial(Drive);
            String CPUID = GetCPUID();

            UniqueID = String.Format("{0}{1}{2}{3}", CPUID.Substring(13), CPUID.Substring(1, 4), VolumeSerial, CPUID.Substring(4, 4));
        }

        private static String GetVolumeSerial(String Drive)
        {
            ManagementObject Management = new ManagementObject(String.Format(@"win32_logicaldisk.deviceid=""{0}:""", Drive));
            Management.Get();

            return Convert.ToString(Management["VolumeSerialNumber"]);
        }

        private static String GetCPUID()
        {
            ManagementClass Management = new ManagementClass("win32_processor");
            ManagementObjectCollection ManagementCollection = Management.GetInstances();

            foreach (var Processor in ManagementCollection) { return Convert.ToString(Processor.Properties["processorID"].Value); }

            return null;
        }
    }
}