using System;
using System.IO;
using System.Management;
using System.Threading;

class UsbMonitor
{
    static string logFile = "usb_log.txt";

    static void Main()
    {
        Console.WriteLine("USB cihaz izleme servisi başlatıldı...\n");
        Console.WriteLine("Takılan USB cihazlar kayıt altına alınacaktır.\n");

        if (!File.Exists(logFile))
        {
            File.Create(logFile).Close();
        }

        ManagementEventWatcher insertWatcher = new ManagementEventWatcher();
        insertWatcher.EventArrived += UsbInserted;
        insertWatcher.Query = new WqlEventQuery(
            "SELECT * FROM Win32_VolumeChangeEvent WHERE EventType = 2"
        );
        insertWatcher.Start();

        ManagementEventWatcher removeWatcher = new ManagementEventWatcher();
        removeWatcher.EventArrived += UsbRemoved;
        removeWatcher.Query = new WqlEventQuery(
            "SELECT * FROM Win32_VolumeChangeEvent WHERE EventType = 3"
        );
        removeWatcher.Start();

        while (true)
        {
            Thread.Sleep(1000);
        }
    }

    static void UsbInserted(object sender, EventArrivedEventArgs e)
    {
        string driveName = e.NewEvent.Properties["DriveName"]?.Value?.ToString();
        string message = $"[USB TAKILDI] Sürücü: {driveName} | Zaman: {DateTime.Now}";

        Console.WriteLine(message);
        Log(message);
        GetDriveDetails(driveName);
    }

    static void UsbRemoved(object sender, EventArrivedEventArgs e)
    {
        string driveName = e.NewEvent.Properties["DriveName"]?.Value?.ToString();
        string message = $"[USB ÇIKARILDI] Sürücü: {driveName} | Zaman: {DateTime.Now}";

        Console.WriteLine(message);
        Log(message);
    }

    static void GetDriveDetails(string driveName)
    {
        if (string.IsNullOrEmpty(driveName))
            return;

        try
        {
            DriveInfo drive = new DriveInfo(driveName);

            if (drive.IsReady)
            {
                string details =
                    $"   Etiket: {drive.VolumeLabel}\n" +
                    $"   Dosya Sistemi: {drive.DriveFormat}\n" +
                    $"   Toplam Alan: {drive.TotalSize / (1024 * 1024)} MB\n" +
                    $"   Boş Alan: {drive.AvailableFreeSpace / (1024 * 1024)} MB\n";

                Console.WriteLine(details);
                Log(details);
            }
        }
        catch
        {
            // Bazı USB'ler detay vermeyebilir
        }
    }

    static void Log(string text)
    {
        File.AppendAllText(logFile, text + Environment.NewLine);
    }
}