package com.turbonativegoproxy

import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.bridge.Promise
import com.facebook.react.module.annotations.ReactModule
import android.security.keystore.KeyGenParameterSpec
import android.security.keystore.KeyProperties
import androidx.security.crypto.EncryptedSharedPreferences
import androidx.security.crypto.MasterKey
import javax.crypto.KeyGenerator
import javax.crypto.SecretKey

@ReactModule(name = TurboNativeGoproxyModule.NAME)
class TurboNativeGoproxyModule(reactContext: ReactApplicationContext) :
  NativeTurboNativeGoproxySpec(reactContext) {

  private val sharedPreferences by lazy {
    val masterKey = MasterKey.Builder(reactApplicationContext)
      .setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
      .build()

    EncryptedSharedPreferences.create(
      reactApplicationContext,
      "turbo_native_goproxy_secure_prefs",
      masterKey,
      EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
      EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
    )
  }

  override fun getName(): String {
    return NAME
  }

  // Example method
  // See https://reactnative.dev/docs/native-modules-android
  override fun multiply(a: Double, b: Double): Double {
    return a * b
  }

  override fun setSecureItem(key: String, value: String, promise: Promise) {
    try {
      sharedPreferences.edit().putString(key, value).apply()
      promise.resolve(null)
    } catch (e: Exception) {
      promise.reject("SECURE_STORAGE_ERROR", "Failed to set secure item: ${e.message}", e)
    }
  }

  override fun getSecureItem(key: String, promise: Promise) {
    try {
      val value = sharedPreferences.getString(key, null)
      promise.resolve(value)
    } catch (e: Exception) {
      promise.reject("SECURE_STORAGE_ERROR", "Failed to get secure item: ${e.message}", e)
    }
  }

  override fun removeSecureItem(key: String, promise: Promise) {
    try {
      sharedPreferences.edit().remove(key).apply()
      promise.resolve(null)
    } catch (e: Exception) {
      promise.reject("SECURE_STORAGE_ERROR", "Failed to remove secure item: ${e.message}", e)
    }
  }

  override fun hasSecureItem(key: String, promise: Promise) {
    try {
      val exists = sharedPreferences.contains(key)
      promise.resolve(exists)
    } catch (e: Exception) {
      promise.reject("SECURE_STORAGE_ERROR", "Failed to check secure item: ${e.message}", e)
    }
  }

  companion object {
    const val NAME = "TurboNativeGoproxy"
  }
}