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using UnityEngine;

public class AntiCheatManager : MonoBehaviour

{

    void Start()

    {

        // Only run these checks on an actual Android/Quest build

        #if UNITY_ANDROID && !UNITY_EDITOR

        CheckForUnauthorizedTools();

        #endif

    }

    void CheckForUnauthorizedTools()

    {

        bool isThreatDetected = false;

        // 1. Check if ADB (Android Debug Bridge) or USB/Wireless Debugging is active

        if (IsDebugModeActive())

        {

            Debug.LogWarning("Security Violation: Debugging tools are active.");

            isThreatDetected = true;

        }

        // 2. Optional: Check for common root/exploit indicators in the system properties

        if (IsDeviceRooted())

        {

            Debug.LogWarning("Security Violation: Device integrity compromised.");

            isThreatDetected = true;

        }

        // Action: If a threat is found, close the game immediately

        if (isThreatDetected)

        {

            ForceQuitGame();

        }

    }

    bool IsDebugModeActive()

    {

        try

        {

            using (AndroidJavaClass contextClass = new AndroidJavaClass("android.provider.Settings$Secure"))

            {

                using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))

                {

                    using (AndroidJavaObject currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity"))

                    {

                        using (AndroidJavaObject contentResolver = currentActivity.Call<AndroidJavaObject>("getContentResolver"))

                        {

                            // Checks "adb_enabled". Returns 1 if active, 0 if inactive.

                            int adbEnabled = contextClass.CallStatic<int>("getInt", contentResolver, "adb_enabled", 0);

                            return adbEnabled > 0;

                        }

                    }

                }

            }

        }

        catch (System.Exception e)

        {

            Debug.LogError("Failed to read system debug settings: " + e.Message);

            return false;

        }

    }

    bool IsDeviceRooted()

    {

        // Checks system properties for a "test-keys" tag, which indicates a custom/rooted operating system image

        try

        {

            string buildTags = System.Environment.GetEnvironmentVariable("ro.build.tags");

            if (buildTags != null && buildTags.Contains("test-keys"))

            {

                return true;

            }

        }

        catch {}

        return false;

    }

    void ForceQuitGame()

    {

        // Closes the application immediately on standalone builds

        Application.Quit();

    }

}