import * as Network from "expo-network";
import { onlineManager } from "@tanstack/react-query";

function isOnline({
  isConnected,
  isInternetReachable,
}: Pick<Network.NetworkState, "isConnected" | "isInternetReachable">) {
  if (isConnected === false) return false;
  if (isInternetReachable === false) return false;
  return true;
}

let configured = false;

export function configureReactQueryOnlineManager() {
  if (configured) return;
  configured = true;

  void Network.getNetworkStateAsync()
    .then((state) => {
      onlineManager.setOnline(isOnline(state));
    })
    .catch(() => {
      onlineManager.setOnline(true);
    });

  onlineManager.setEventListener((setOnline) => {
    const subscription = Network.addNetworkStateListener((state) => {
      setOnline(isOnline(state));
    });

    return () => subscription.remove();
  });
}