/*
 * Copyright 2019 Google LLC
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';
import 'src/locations.dart' as locations;

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final Map<String, Marker> _markers = {};
  Future<void> _onMapCreated(GoogleMapController controller) async {
    final googleOffices = await locations.getGoogleOffices();
    setState(() {
      _markers.clear();
      for (final office in googleOffices.offices) {
        final marker = Marker(
          markerId: MarkerId(office.name),
          position: LatLng(office.lat, office.lng),
          infoWindow: InfoWindow(title: office.name, snippet: office.address),
        );
        _markers[office.name] = marker;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(colorSchemeSeed: Colors.green[700]),
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Google Office Locations'),
          elevation: 2,
        ),
        body: GoogleMap(
          onMapCreated: _onMapCreated,
          initialCameraPosition: const CameraPosition(
            target: LatLng(0, 0),
            zoom: 2,
          ),
          markers: _markers.values.toSet(),
        ),
      ),
    );
  }
}
