import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_background_geolocation/flutter_background_geolocation.dart' as bg;
import 'package:traccar_client/main.dart';

import 'config.dart';
import 'preferences.dart';

class SettingsScreen extends StatefulWidget {
  const SettingsScreen({super.key});

  @override
  State<SettingsScreen> createState() => _SettingsScreenState();
}

class _SettingsScreenState extends State<SettingsScreen> {
  bool trackingEnabled = false;

  @override
  void initState() {
    super.initState();
    _initState();
  }

  void _initState() async {
    final state = await bg.BackgroundGeolocation.state;
    setState(() {
      trackingEnabled = state.enabled;
    });
    bg.BackgroundGeolocation.onEnabledChange((bool enabled) {
      setState(() {
        trackingEnabled = enabled;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Settings'),
      ),
      body: ListView(
        children: [
          ListTile(
            title: const Text('Device ID'),
            subtitle: Text(Preferences.instance.getString(Preferences.id) ?? ''),
            enabled: false,
          ),
          SwitchListTile(
            title: const Text('Continuous Tracking'),
            value: trackingEnabled,
            onChanged: (bool value) async {
              if (value) {
                try {
                  await bg.BackgroundGeolocation.start();
                } on PlatformException catch (error) {
                  messengerKey.currentState?.showSnackBar(
                    SnackBar(content: Text(error.message ?? error.code)),
                  );
                }
              } else {
                bg.BackgroundGeolocation.stop();
              }
            },
          ),
          ListTile(
            title: const Text('Server'),
            subtitle: Text(AppConfig.serverUrl),
            enabled: false,
          ),
          ListTile(
            title: const Text('Location Accuracy'),
            subtitle: Text(AppConfig.accuracy),
            enabled: false,
          ),
          ListTile(
            title: const Text('Distance'),
            subtitle: Text(AppConfig.distanceFilter == 0 ? 'Disabled' : '${AppConfig.distanceFilter}'),
            enabled: false,
          ),
          ListTile(
            title: const Text('Interval'),
            subtitle: Text('${AppConfig.intervalSeconds} seconds'),
            enabled: false,
          ),
          ListTile(
            title: const Text('Stop Detection'),
            subtitle: Text(AppConfig.stopDetection ? 'Enabled' : 'Disabled'),
            enabled: false,
          ),
        ],
      ),
    );
  }
}