fertig bis auf Tankstellen und Graph

lib/services/appwrite_service.dart

@@ -1,5 +1,7 @@
+import 'dart:convert';
 import 'package:appwrite/models.dart';
 import 'package:appwrite/appwrite.dart';
+import 'package:http/http.dart' as http;
 import '../config/environment.dart';
 
 class AppwriteService {
@@ -165,4 +167,47 @@ class AppwriteService {
       return false;
     }
   }
+
+  // Geocode coordinates using local proxy or Appwrite Function
+  Future<String> geocodeLocation(double lat, double lon) async {
+    // Wenn lokaler Proxy aktiviert ist, diesen verwenden
+    if (Environment.useLocalProxy) {
+      return _geocodeViaLocalProxy(lat, lon);
+    }
+    
+    // Fallback: Koordinaten zurückgeben
+    return 'Lat: ${lat.toStringAsFixed(6)}, Lon: ${lon.toStringAsFixed(6)}';
+  }
+  
+  // Geocoding über lokalen Reverse Proxy
+  Future<String> _geocodeViaLocalProxy(double lat, double lon) async {
+    try {
+      final proxyUrl = '${Environment.localProxyUrl}/?lat=$lat&lon=$lon&apiKey=${Environment.ptvApiKey}';
+      
+      print('🔄 Verwende lokalen Proxy: ${Environment.localProxyUrl}');
+      
+      final response = await http.get(Uri.parse(proxyUrl));
+      
+      if (response.statusCode == 200) {
+        final data = jsonDecode(response.body);
+        
+        if (data['success'] == true) {
+          final location = data['location'] as String;
+          print('✅ Geocoding erfolgreich (Proxy): $location');
+          return location;
+        } else {
+          print('❌ Geocoding fehlgeschlagen (Proxy): ${data['error']}');
+          return data['fallbackLocation'] ?? 
+                 'Lat: ${lat.toStringAsFixed(6)}, Lon: ${lon.toStringAsFixed(6)}';
+        }
+      } else {
+        print('⚠️ Proxy Response Status: ${response.statusCode}');
+        return 'Lat: ${lat.toStringAsFixed(6)}, Lon: ${lon.toStringAsFixed(6)}';
+      }
+    } catch (e) {
+      print('❌ Lokaler Proxy nicht erreichbar: $e');
+      print('💡 Tipp: Starten Sie den Proxy mit: cd proxy-server && node server.js');
+      return 'Lat: ${lat.toStringAsFixed(6)}, Lon: ${lon.toStringAsFixed(6)}';
+    }
+  }
 }