import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:get/get.dart';
import '../models/econtrol_model.dart';
import '../services/econtrol_service.dart';

class GasstationsController extends GetxController {
  final isLoading = false.obs;
  final isLoadingLocation = false.obs;
  final eControlData = <EControlModel>[].obs;

  @override
  void onInit() {
    _loadStationInfosList();
    super.onInit();
  }

  @override
  void onReady() {}

  @override
  void onClose() {}

  Future<void> _loadStationInfosList() async {
    isLoading.value = true;
    bool serviceEnabled;
    if (eControlData.isNotEmpty) {
      eControlData.clear();
    }
    final eControlService = EControlService();
    LocationPermission permission;

    try {
      isLoadingLocation.value = true;

      // 1. Prüfen, ob Standortdienste aktiviert sind
      serviceEnabled = await Geolocator.isLocationServiceEnabled();
      if (!serviceEnabled) {
        return Future.error('Standortdienste sind deaktiviert.');
      }

      // 2. Berechtigungen prüfen
      permission = await Geolocator.checkPermission();
      if (permission == LocationPermission.denied) {
        permission = await Geolocator.requestPermission();
        if (permission == LocationPermission.denied) {
          return Future.error('Berechtigung verweigert.');
        }
      }

      // 3. Position abrufen
      Position position = await Geolocator.getCurrentPosition(
        locationSettings: const LocationSettings(
          accuracy: LocationAccuracy.high,
        ),
      );

      // 4. Standort über Backend-Proxy abrufen
      var lat = position.latitude;
      var lon = position.longitude;
      // Simulate fetching data from an API or database
      await eControlService.getEControlData(
        lat,
        lon,
        'DIE',
      );
      eControlData.addAll(eControlService.eControlData);
    } catch (e) {
      Get.snackbar(
        "Fehler",
        "Standort konnte nicht abgerufen werden: $e",
        snackPosition: SnackPosition.BOTTOM,
        backgroundColor: Colors.red[100],
        colorText: Colors.red[900],
      );
      print("Fehler beim Abrufen des Standorts: $e");
    } finally {
      isLoadingLocation.value = false;
    }
    isLoading.value = false;
    update();
  }
}