import 'dart:convert';

import 'package:fast_network_navigation/structs/trip.dart';
import 'package:fast_network_navigation/structs/landmark.dart';
import 'package:shared_preferences/shared_preferences.dart';

Future<List<Trip>> loadTrips() async {
  SharedPreferences prefs = await SharedPreferences.getInstance();

  Set<String> keys = prefs.getKeys();
  List<Trip> itineraries = [];
  for (String key in keys) {
    if (key.startsWith("itinerary_")) {
      String json = prefs.getString(key)!;
      itineraries.add(Trip.fromJson(jsonDecode(json)));
    }
  }
  itineraries.add(Trip(uuid: "1", cityName: "Paris", landmarks: [
      Landmark(name: "Landmark 1", location: [48.85, 2.35], type: LandmarkType(name: "Type 1")),
      Landmark(name: "Landmark 2", location: [48.86, 2.36], type: LandmarkType(name: "Type 2")),
      Landmark(name: "Landmark 3", location: [48.75, 2.3], type: LandmarkType(name: "Type 3")),
      Landmark(name: "Landmark 4", location: [48.9, 2.4], type: LandmarkType(name: "Type 4")),
      Landmark(name: "Landmark 5", location: [48.91, 2.45], type: LandmarkType(name: "Type 5")),
    ]));
  itineraries.add(Trip(uuid: "2", cityName: "Vienna", landmarks: []));
  itineraries.add(Trip(uuid: "3", cityName: "London", landmarks: []));
  itineraries.add(Trip(uuid: "4", cityName: "Madrid", landmarks: []));
  itineraries.add(Trip(uuid: "5", cityName: "Tokyo", landmarks: []));
  itineraries.add(Trip(uuid: "6", cityName: "New York", landmarks: []));
  itineraries.add(Trip(uuid: "7", cityName: "Los Angeles", landmarks: []));
  itineraries.add(Trip(uuid: "8", cityName: "Zurich", landmarks: []));
  itineraries.add(Trip(uuid: "9", cityName: "Orschwiller", landmarks: []));

  await Future.delayed(Duration(seconds: 3));

  return itineraries;
}