import React from 'react';
import { Text, TouchableOpacity } from 'react-native';
import * as TaskManager from 'expo-task-manager';
import * as Location from 'expo-location';

const LOCATION_TASK_NAME = 'background-location-task';

const requestPermissions = async () => {
  const { status } = await Location.requestBackgroundPermissionsAsync();
  if (status === 'granted') {
    await Location.startLocationUpdatesAsync(LOCATION_TASK_NAME, {
      accuracy: Location.Accuracy.Balanced,
    });
  }
};

const PermissionsButton = () => (
  <TouchableOpacity onPress={requestPermissions}>
    <Text>Enable background location</Text>
  </TouchableOpacity>
);

TaskManager.defineTask(LOCATION_TASK_NAME, ({ data, error }) => {
  if (error) {
    // Error occurred - check `error.message` for more details.
    return;
  }
  if (data) {
    const { locations } = data;
    // do something with the locations captured in the background
  }
});

export default PermissionsButton;