package com.unitreactnativecomponents.nativeModules.security

import java.io.File
import com.facebook.react.bridge.Promise
import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.bridge.ReactContextBaseJavaModule
import com.facebook.react.bridge.ReactMethod

class UNSecurityHelperModule(var reactContext: ReactApplicationContext) :
  ReactContextBaseJavaModule(reactContext) {
  @ReactMethod
  fun isDeviceJailbroke(promise: Promise) {
    promise.resolve(findBinary("su"))
  }

  // https://stackoverflow.com/a/23953248
  private fun findBinary(binaryName: String): Boolean {
      var found = false
      val places = arrayOf(
          "/sbin/", "/system/bin/", "/system/xbin/",
          "/data/local/xbin/", "/data/local/bin/",
          "/system/sd/xbin/", "/system/bin/failsafe/", "/data/local/"
      )
      for (where in places) {
          if (File(where + binaryName).exists()) {
              found = true

              break
          }
      }
      return found
  }

  override fun getName() = MODULE_NAME

  companion object {
    const val MODULE_NAME = "UNSecurityHelperModule"
  }
}