import 'package:flutter/material.dart';
import 'dart:async';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'package:flutter_google_places/flutter_google_places.dart';
import 'package:google_maps_webservice/places.dart';
import 'package:google_api_headers/google_api_headers.dart';


class Map extends StatefulWidget {
  @override
  State<Map> createState() => MapState();
}

const kGoogleApiKey = "AIzaSyAUmhd6Xxud8SwgDxJ4LlYlcntm01FGoSk";

final homeSacffoldKey = GlobalKey<ScaffoldState>();

class MapState extends State<Map> {
  final Completer<GoogleMapController> _controller = Completer();

  final TextEditingController _searchController =  TextEditingController();

  static const CameraPosition _kGooglePlex = CameraPosition(
    target: LatLng(55.427320, 13.819257),
    zoom: 14.4746,
  );

  Set<Marker> markersList = {};

  late GoogleMapController googleMapController;

  final Mode _mode = Mode.fullscreen;

  int currentIndex = 0;
  final screens =[
    Map(),
  ];
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        key: homeSacffoldKey,
        //leading: IconButton(icon: Icon(Icons.search), onPressed:() {},),
        actions: <Widget>[
          IconButton(icon: const Icon(Icons.search), onPressed:() {
          },),
        ],
        title: TextFormField(
          controller: _searchController,
          textCapitalization: TextCapitalization.words,
          decoration: const InputDecoration(hintText: 'Find your place'),
          onChanged: (value) {
            print(value);
          },
        ),
        backgroundColor: const Color.fromARGB(255, 190, 146, 160),
      ),
      body: Stack (
        children: [
          GoogleMap(
            mapType: MapType.normal,
            initialCameraPosition: _kGooglePlex,
            markers: markersList,
            onMapCreated: (GoogleMapController controller) {
           _controller.complete(controller);
           },
          ),
          ElevatedButton(onPressed: _handelPressButton
          ,child: const Text("Search Placses"))
        ],
      )
    );
  }

  Future<void> _handelPressButton() async {

    Prediction? p = await PlacesAutocomplete.show(
                          context: context,
                          apiKey: kGoogleApiKey,
                          mode: _mode, // Mode.fullscreen
                          language: "en",
                          strictbounds: false,
                          decoration: InputDecoration(
                            hintText:'serach',
                            focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(20), borderSide: BorderSide(color: Colors.white))
                          ),
                          types: [""],
                          components: [Component(Component.country, "se")]);
    if (p != null) {
      displayPrediction(p,homeSacffoldKey.currentState);
    }

  }

  Future<void> displayPrediction(Prediction p, ScaffoldState? currentState) async {
    GoogleMapsPlaces places = GoogleMapsPlaces(
      apiKey: kGoogleApiKey,
      apiHeaders: await const GoogleApiHeaders().getHeaders()
    );

    PlacesDetailsResponse detail = await places.getDetailsByPlaceId(p.placeId!);

    final lat = detail.result.geometry!.location.lat;
    final lng = detail.result.geometry!.location.lng;

    markersList.clear();
    markersList.add(Marker(markerId: const MarkerId("0"), position: LatLng(lat, lng), infoWindow: InfoWindow(title: detail.result.name)));

    setState(() {});

    googleMapController.animateCamera(CameraUpdate.newLatLngZoom(LatLng(lat,lng), 14.0));
  }
}