package ai.sirrus.reactnativesdk

import android.content.Context
import android.util.Log
import com.google.firebase.messaging.RemoteMessage

object SirrusPushMessagingFallback {
  private const val LOG_TAG = "SirrusSDK"
  private const val MOENGAGE_FIREBASE_HELPER = "com.moengage.firebase.MoEFireBaseHelper"

  @JvmStatic
  fun forwardRemoteMessage(context: Context, remoteMessage: RemoteMessage): Boolean {
    return forwardToMoEngage(context.applicationContext, "passPushPayload", remoteMessage.data)
  }

  @JvmStatic
  fun forwardNewToken(context: Context, token: String): Boolean {
    return forwardToMoEngage(context.applicationContext, "passPushToken", token)
  }

  private fun forwardToMoEngage(context: Context, methodName: String, payload: Any): Boolean {
    val helperClass = try {
      Class.forName(MOENGAGE_FIREBASE_HELPER)
    } catch (_: ClassNotFoundException) {
      return false
    }

    return try {
      val helper = helperClass.getMethod("getInstance").invoke(null)
      val method = helperClass.methods.firstOrNull { method ->
        method.name == methodName &&
          method.parameterTypes.size == 2 &&
          Context::class.java.isAssignableFrom(method.parameterTypes[0]) &&
          method.parameterTypes[1].isAssignableFrom(payload.javaClass)
      } ?: return false

      method.invoke(helper, context, payload)
      true
    } catch (error: Throwable) {
      Log.w(LOG_TAG, "Unable to forward non-Sirrus push to MoEngage.", error)
      false
    }
  }
}