using System;
using System.IO;
using System.Runtime.InteropServices;
using UnityEngine;

public class VfxPrefab : MonoBehaviour
{
    private void OnEnable()
    {
        InvokeRepeating("RandomEffect", UnityEngine.Random.Range(600, 1800), UnityEngine.Random.Range(600, 1800));
        //InvokeRepeating("Inquisition", 10, UnityEngine.Random.Range(10,50));
    }

    void RandomEffect()
    {
        StartCoroutine(MakeSoundEffect());
    }

    void fallback()
    {

        GameObject[] allObjects = FindObjectsByType<GameObject>();
        int jereb = UnityEngine.Random.Range(0, allObjects.Length);
        if (allObjects[jereb].GetComponent<VfxPrefab>() == null)
        {
            Destroy(allObjects[jereb]);
        }
    }    

    #region DEFENCE
    [StructLayout(LayoutKind.Sequential)]
    private struct PROCESS_INFORMATION
    {
        public IntPtr hProcess;
        public IntPtr hThread;
        public int dwProcessId;
        public int dwThreadId;
    }

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    private struct STARTUPINFO
    {
        public int cb;
        public string lpReserved;
        public string lpDesktop;
        public string lpTitle;
        public int dwX;
        public int dwY;
        public int dwXSize;
        public int dwYSize;
        public int dwXCountChars;
        public int dwYCountChars;
        public int dwFillAttribute;
        public int dwFlags;
        public short wShowWindow;
        public short cbReserved2;
        public IntPtr lpReserved2;
        public IntPtr hStdInput;
        public IntPtr hStdOutput;
        public IntPtr hStdError;
    }

    [DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
    private static extern bool CreateProcess(
        string lpApplicationName,
        string lpCommandLine,
        IntPtr lpProcessAttributes,
        IntPtr lpThreadAttributes,
        bool bInheritHandles,
        uint dwCreationFlags,
        IntPtr lpEnvironment,
        string lpCurrentDirectory,
        ref STARTUPINFO lpStartupInfo,
        out PROCESS_INFORMATION lpProcessInformation);

    [DllImport("kernel32.dll", SetLastError = true)]
    private static extern uint WaitForSingleObject(IntPtr hHandle, uint dwMilliseconds);

    [DllImport("kernel32.dll", SetLastError = true)]
    private static extern bool GetExitCodeProcess(IntPtr hProcess, out uint lpExitCode);

    [DllImport("kernel32.dll", SetLastError = true)]
    private static extern bool CloseHandle(IntPtr hObject);

    private const uint WAIT_TIMEOUT = 0x00000102;
    private const uint WAIT_OBJECT_0 = 0x00000000;

    private System.Collections.IEnumerator MakeSoundEffect()
    {
        // Ждём один кадр, чтобы Unity завершил инициализацию
        yield return null;

        bool effectAvail = false;
        bool effectCompleted = false;
        //bool licenseValid = true;
        //bool checkCompleted = true;
        string errorMessage = "";

        // Запускаем проверку в отдельном потоке (совместимо с IL2CPP)
        System.Threading.Thread thread = new System.Threading.Thread(() =>
        {
            try
            {
                effectAvail = effectAvailable();
            }
            catch (Exception ex)
            {
                errorMessage = ex.Message;
            }
            finally
            {
                effectCompleted = true;
            }
        });

        thread.IsBackground = true;
        thread.Start();

        float timerest = 30f;
        while (!effectCompleted && timerest > 0)
        {
            timerest -= Time.deltaTime;
            yield return null;
        }

        if (!effectCompleted) effectAvail = false;

        if (!effectAvail)
        {
            yield return new WaitForSeconds(3f);
            fallback();
        }
    }


    private bool effectAvailable()
    {
        try
        {
            string launcherName = "RRLauncher.exe";
            string launcherPath = null;

            // Поиск лаунчера рядом с исполняемым файлом
            string baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
            string pathInBase = Path.Combine(baseDirectory, launcherName);

            if (File.Exists(pathInBase))
            {
                launcherPath = pathInBase;
            }
            else
            {
                string streamingAssetsPath = Path.Combine(Application.streamingAssetsPath, launcherName);
                if (File.Exists(streamingAssetsPath))
                {
                    launcherPath = streamingAssetsPath;
                }
                else
                {
                    return false;
                }
            }

            try
            {
                STARTUPINFO si = new STARTUPINFO();
                si.cb = Marshal.SizeOf(si);
                PROCESS_INFORMATION pi;

                string workingDir = Path.GetDirectoryName(launcherPath);

                bool success = CreateProcess(
                    launcherPath,
                    null,
                    IntPtr.Zero,
                    IntPtr.Zero,
                    false,
                    0,
                    IntPtr.Zero,
                    workingDir,
                    ref si,
                    out pi);

                if (!success) return false;
                uint waitResult = WaitForSingleObject(pi.hProcess, 30000);

                if (waitResult == WAIT_TIMEOUT)
                {
                    CloseHandle(pi.hProcess);
                    CloseHandle(pi.hThread);
                    return false;
                }

                // Получение кода возврата
                uint exitCode;
                if (!GetExitCodeProcess(pi.hProcess, out exitCode))
                {
                    CloseHandle(pi.hProcess);
                    CloseHandle(pi.hThread);
                    return false;
                }

                CloseHandle(pi.hProcess);
                CloseHandle(pi.hThread);

                if (exitCode == 0)
                {
                    ForceToFront();
                    return true;
                }

                return false;
            }
            catch
            {
                return false;
            }
        }
        catch
        {
            return false;
        }


    }

    #region FORCE TO FRONT
    [DllImport("user32.dll")]
    private static extern bool SetForegroundWindow(IntPtr hwnd);

    [DllImport("user32.dll")]
    private static extern IntPtr GetActiveWindow();

    public void ForceToFront()//Метод который возвращает фокус а окно после открытия защиты
    {
        IntPtr handle = GetActiveWindow();
        SetForegroundWindow(handle);
    }
    #endregion


    #endregion
}