// A search bar that allow the user to enter a city name
import 'package:anyway/structs/landmark.dart';
import 'package:geocoding/geocoding.dart';
import 'dart:developer';

import 'package:anyway/structs/trip.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';

class NewTripLocationSearch extends StatefulWidget {
  Future<SharedPreferences> prefs = SharedPreferences.getInstance();
  Trip trip;
  
  NewTripLocationSearch(
    this.trip,
  );


  @override
  State<NewTripLocationSearch> createState() => _NewTripLocationSearchState();
}

class _NewTripLocationSearchState extends State<NewTripLocationSearch> {
  final TextEditingController _controller = TextEditingController();

  setTripLocation (String query) async {
    List<Location> locations = [];
    log('Searching for: $query');
    
    try{
      locations = await locationFromAddress(query);
    } catch (e) {
      log('No results found for: $query : $e');
    }

    if (locations.isNotEmpty) {
      Location location = locations.first;
      widget.trip.landmarks.clear();
      widget.trip.addLandmark(
        Landmark(
          uuid: 'pending',
          name: query,
          location: [location.latitude, location.longitude],
          type: typeStart
        )
      );
    }
  }

  late Widget locationSearchBar = SearchBar(
    hintText: 'Enter a city name or long press on the map.',
    onSubmitted: setTripLocation,
    controller: _controller,
    leading: Icon(Icons.search),
    trailing: [
      ElevatedButton(
        onPressed: () {
          setTripLocation(_controller.text);
        },
        child: Text('Search'),
      )
    ]
  );


  late Widget useCurrentLocationButton = ElevatedButton(
    onPressed: () async {
      
    },
    child: Text('Use current location'),
  );

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: widget.prefs,
      builder: (context, snapshot) {
        if (snapshot.hasData) {
          final useLocation = snapshot.data!.getBool('useLocation') ?? false;
          if (useLocation) {
            return Column(
              children: [
                locationSearchBar,
                useCurrentLocationButton,
              ],
            );
          } else {
            return locationSearchBar;
          }
        } else {
          return locationSearchBar;
        }
      },
    );
  }
}