package pawletos.device.system;

import android.content.Context;
import android.os.Build;
import android.os.SystemProperties;

/**
 * PawletOS System API for system apps (OTA, device management, etc.)
 */
public class PawletSystem {
    private static final double PAWLET_SDK_VERSION = 1.0;

    /**
     * Check if running on an emulator.
     */
    public static boolean isEmulator() {
        String fingerprint = Build.FINGERPRINT;
        String model = Build.MODEL;
        String manufacturer = Build.MANUFACTURER;
        String brand = Build.BRAND;
        String device = Build.DEVICE;
        String product = Build.PRODUCT;
        return fingerprint != null && (fingerprint.startsWith("generic") || fingerprint.startsWith("unknown"))
            || model != null && model.contains("google_sdk")
            || model != null && model.contains("Emulator")
            || model != null && model.contains("Android SDK built for x86")
            || manufacturer != null && manufacturer.contains("Genymotion")
            || brand != null && brand.startsWith("generic") && device != null && device.startsWith("generic")
            || product != null && product.equals("google_sdk");
    }

    /**
     * Basic check if device is rooted.
     */
    public static boolean isRooted() {
        String buildTags = Build.TAGS;
        if (buildTags != null && buildTags.contains("test-keys")) {
            return true;
        }
        try {
            java.io.File file = new java.io.File("/system/app/Superuser.apk");
            if (file.exists()) {
                return true;
            }
        } catch (Exception e) {
            // ignore
        }
        return false;
    }

    /**
     * Get the current language/locale.
     */
    public static String getCurrentLocale(Context ctx) {
        java.util.Locale locale;
        if (android.os.Build.VERSION.SDK_INT >= 24) {
            locale = ctx.getResources().getConfiguration().getLocales().get(0);
        } else {
            locale = ctx.getResources().getConfiguration().locale;
        }
        return locale.toString();
    }

    /**
     * Check if device is running PawletOS.
     * Returns true if running on PawletOS, false otherwise.
     */
    public static boolean isPawletOS() {
        return "Pawlet".equalsIgnoreCase(Build.MANUFACTURER)
            || "PawletOS".equalsIgnoreCase(SystemProperties.get("ro.oxmc.os_name", ""));
    }

    /**
     * Get the PawletSDK version.
     */
    public static double getPawletSDKVersion() {
        return PAWLET_SDK_VERSION;
    }
}