import { BackgroundGeolocationPlugin } from '@capacitor-community/background-geolocation';
import { registerPlugin } from '@capacitor/core';

const BackgroundGeolocation = registerPlugin<BackgroundGeolocationPlugin>(
  'BackgroundGeolocation'
);

const backgroundGeolocationConfig = {
  // If the "backgroundMessage" option is defined, the watcher will
  // provide location updates whether the app is in the background or the
  // foreground. If it is not defined, location updates are only
  // guaranteed in the foreground. This is true on both platforms.
  // On Android, a notification must be shown to continue receiving
  // location updates in the background. This option specifies the text of
  // that notification.
  backgroundMessage: 'Cancel to prevent battery drain.',

  // The title of the notification mentioned above. Defaults to "Using
  // your location".
  backgroundTitle: 'Tracking You.',

  // Whether permissions should be requested from the user automatically,
  // if they are not already granted. Defaults to "true".
  requestPermissions: true,

  // If "true", stale locations may be delivered while the device
  // obtains a GPS fix. You are responsible for checking the "time"
  // property. If "false", locations are guaranteed to be up to date.
  // Defaults to "false".
  stale: false,

  // The minimum number of metres between subsequent locations. Defaults
  // to 0.
  distanceFilter: 5,
};

export const startBackgroundGeolocation = async (newLocationHandler: any) => {
  const locationHandler = (location: any, error: any) => {
    console.log('com.dyomedea.dyomedea  LOG', ' - Callback');
    if (error) {
      if (error.code === 'NOT_AUTHORIZED') {
        if (
          window.confirm(
            'This app needs your location, ' +
              'but does not have permission.\n\n' +
              'Open settings now?'
          )
        ) {
          // It can be useful to direct the user to their device's
          // settings when location permissions have been denied. The
          // plugin provides the 'openSettings' method to do exactly
          // this.
          BackgroundGeolocation.openSettings();
        }
      }
      return console.error('com.dyomedea.dyomedea  LOG', ' - error: ', error);
    }
    console.log(location);
    if (location !== undefined) {
        newLocationHandler(location);
     }

    return console.log('com.dyomedea.dyomedea  LOG', ' - location: ', location);
  };

  var watcher_id;

  console.log('com.dyomedea.dyomedea  LOG', ' - Adding the watcher');
  await BackgroundGeolocation.addWatcher(
    backgroundGeolocationConfig,
    locationHandler
  )
    .then(function after_the_watcher_has_been_added(id) {
      // When a watcher is no longer needed, it should be removed by calling
      // 'removeWatcher' with an object containing its ID.
      console.log('com.dyomedea.dyomedea  LOG', ' - Watcher added');
      watcher_id = id;
      /*BackgroundGeolocation.removeWatcher({
        id: watcher_id,
      }); */
    })
    .catch((reason) => {
      console.error('com.dyomedea.dyomedea  LOG', ' - reason: ', reason);
    });
  return watcher_id;
};

export const stopBackgroundGeolocation = (watcher_id: any) => {
  BackgroundGeolocation.removeWatcher({
    id: watcher_id,
  });
};