import * as TaskManager from 'expo-task-manager';
import * as Location from 'expo-location';
import axios from 'axios';
import { storage, StoreType } from 'src/storage';
import { Platform } from 'react-native';
import { API_URL } from 'src/constants';
import { API } from 'src/types';

const LOCATION_TASK_NAME = 'BACKGROUND_LOCATION_TASK';

// TaskManager.defineTask(LOCATION_TASK_NAME, async ({ data, error }) => {
//   if (error) {
//     console.error('[BackgroundLocation] Task error:', error);
//     return;
//   }
//   if (data) {
//     const { locations } = data as any;
//     if (locations && locations.length > 0) {
//       const { coords, timestamp } = locations[0];

//       console.log('[BackgroundLocation] New location:', coords);
//       const token = storage.get('token', StoreType.STRING);

//       if (!token) {
//         return;
//       }

//       try {
//         const response = await axios.postForm(
//           API_URL + '/' + API.UPDATE_LOCATION,
//           {
//             token,
//             lat: coords.latitude,
//             lng: coords.longitude,
//             background: LOCATION_TASK_NAME,
//             location_timestamp: timestamp
//           },
//           {
//             headers: {
//               Platform: Platform.OS
//             }
//           }
//         );
//         console.log('[BackgroundLocation] Location sent:', response.data);
//       } catch (sendError) {
//         console.error('[BackgroundLocation] Sending location failed:', sendError);
//       }
//     }
//   }
//   console.log('[BackgroundLocation] TaskManager end');
// });

export const startBackgroundLocationUpdates = async () => {
  const hasStarted = await Location.hasStartedLocationUpdatesAsync(LOCATION_TASK_NAME);
  if (hasStarted) {
    console.log('[BackgroundLocation] Already started...');
    return;
  }

  await Location.startLocationUpdatesAsync(LOCATION_TASK_NAME, {
    accuracy: Location.Accuracy.Highest,
    // 10 minutes for Android
    timeInterval: 10 * 60 * 1000,
    showsBackgroundLocationIndicator: false,
    pausesUpdatesAutomatically: false,
    // banner on Android
    foregroundService: {
      notificationTitle: 'NomadMania tracking your location',
      notificationBody: 'Location is used in background every 10 minutes.',
      notificationColor: '#0F3F4F'
    },
    // iOS only
    activityType: Location.ActivityType.Other
  });

  console.log('[BackgroundLocation] Started task');
};

export const stopBackgroundLocationUpdates = async () => {
  const hasStarted = await Location.hasStartedLocationUpdatesAsync(LOCATION_TASK_NAME);
  if (hasStarted) {
    await Location.stopLocationUpdatesAsync(LOCATION_TASK_NAME);
    console.log('[BackgroundLocation] Stopped task');
  }
};