package com.facebook.reactnative.androidsdk;

import com.facebook.Profile;
import com.facebook.ProfileTracker;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.module.annotations.ReactModule;

import androidx.annotation.NonNull;

import java.util.Timer;
import java.util.TimerTask;

/**
 * This is a {@link NativeModule} that allows JS to use FBSDKProfile info of the current logged user.
 */
@ReactModule(name = FBProfileModule.NAME)
public class FBProfileModule extends ReactContextBaseJavaModule {
    public static final String NAME = "FBProfile";
    private ProfileTracker mProfileTracker;

    public FBProfileModule(ReactApplicationContext reactContext) {
      super(reactContext);
    }

    @NonNull
    @Override
    public String getName() {
    return NAME;
  }

    /**
     * Get the current logged profile.
     * @param callback Use callback to pass the current logged profile back to JS.
     */
    @ReactMethod
    public void getCurrentProfile(final Callback callback) {
      // Return the profile object as a ReactMap.
      if (Profile.getCurrentProfile() == null) {
        final Timer timer = new Timer();
        synchronized (timer) {
          timer.schedule(
            new TimerTask() {
              @Override
              public void run() {
                timer.cancel();
                callback.invoke();
              }
            },
            30000
          );
          mProfileTracker = new ProfileTracker() {
            @Override
            protected void onCurrentProfileChanged(Profile oldProfile, Profile currentProfile) {
              timer.cancel();
              mProfileTracker.stopTracking();
              callback.invoke(Utility.profileToReactMap(currentProfile));
            }
          };
        }
      } else {
        callback.invoke(Utility.profileToReactMap(Profile.getCurrentProfile()));
      }
  }
}