Custom autocomplete address Brazil

// Automatic FlutterFlow imports
import '/backend/backend.dart';
import '/backend/schema/structs/index.dart';
import '/backend/supabase/supabase.dart';
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/widgets/index.dart'; // Imports other custom widgets
import '/custom_code/actions/index.dart'; // Imports custom actions
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom widget code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'dart:convert';

import 'package:http/http.dart' as http;

class Endereco extends StatefulWidget {
  const Endereco({
    Key? key,
    this.width,
    this.height,
    required this.rapidApiKey,
    required this.hinttext,
    required this.radius,
    required this.corBorda,
    required this.corBordaFoco,
  }) : super(key: key);

  final double? width;
  final double? height;
  final String rapidApiKey;
  final String hinttext;
  final double radius;
  final Color corBorda;
  final Color corBordaFoco;

  @override
  _EnderecoState createState() => _EnderecoState();
}

class _EnderecoState extends State<Endereco> {
  double radius = 8.0;
  Color corBorda = Colors.black;
  Color corBordaFoco = Colors.blue;
  String hinttext = '';
  String rapidApiKey = '';
  final searchTextController = TextEditingController();
  List<SearchItem> searchItems = [];
  bool isSearching = false;
  bool showSuggestions = false;
  String? selectedLat;
  String? selectedLng;
  String lastSearch = '';

  @override
  void initState() {
    super.initState();
    searchTextController.addListener(_onSearchTextChanged);
  }

  void _onSearchTextChanged() {
    final query = searchTextController.text;
    if (query.isNotEmpty && query != lastSearch && !isSearching) {
      setState(() {
        showSuggestions = true;
        isSearching = true;
      });
      searchLocation(query);
    } else {
      setState(() {
        showSuggestions = false;
      });
    }
  }

  Future<void> searchLocation(String query) async {
    try {
      final response = await http.get(
        Uri.parse(
          'https://autocomplete-address-brazil.p.rapidapi.com/search.php/$query?addressdetails=1',
        ),
        headers: {
          'X-RapidAPI-Host': 'autocomplete-address-brazil.p.rapidapi.com',
          'X-RapidAPI-Key': widget.rapidApiKey,
        },
      );

      if (response.statusCode == 200) {
        final data = response.body;
        print(data);

        if (data.isNotEmpty) {
          final searchData = List<SearchItem>.from(
            json.decode(data).map((x) => SearchItem.fromJson(x)),
          );

          setState(() {
            searchItems = searchData;
            isSearching = false;
          });
        } else {
          print('Resposta vazia');
        }
      } else {
        print('Erro na requisição HTTP: ${response.reasonPhrase}');
      }
    } catch (e) {
      print('Erro durante a solicitação HTTP: $e');
    }
  }

  void updateLocation(SearchItem data) {
    setState(() {
      searchTextController.text = data.displayName;
      selectedLat = data.lat.toString();
      selectedLng = data.lon.toString();
      searchItems = [];
      lastSearch = data.displayName;
      showSuggestions = false;

      // Criar AddressStruct
      AddressStruct endereco = AddressStruct(
        place: data.address['place'] ?? '',
        number: data.address['house_number'] ?? '',
        road: data.address['road'] ?? '',
        suburb: data.address['suburb'] ?? '',
        city: data.address['city'] ?? '',
        state: data.address['state'] ?? '',
        postcode: data.address['postcode'] ?? '',
        lat: data.lat.toDouble(),
        lon: data.lon.toDouble(),
      );

      // Atribuir à variável FFAppState().Endereco
      FFAppState().Endereco = endereco;
    }); // Certifique-se de que esta chave fecha o setState
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        TextField(
          controller: searchTextController,
          decoration: InputDecoration(
            hintText: widget.hinttext,
            border: OutlineInputBorder(
              borderRadius: BorderRadius.circular(widget.radius),
            ),
            focusedBorder: OutlineInputBorder(
              borderRadius: BorderRadius.circular(widget.radius),
              borderSide: BorderSide(color: widget.corBordaFoco),
            ),
            enabledBorder: OutlineInputBorder(
              borderRadius: BorderRadius.circular(widget.radius),
              borderSide: BorderSide(color: widget.corBorda),
            ),
          ),
          onTap: () => _onSearchTextChanged(),
          onChanged: (value) {
            if (value.isEmpty) {
              setState(() {
                searchItems = [];
                showSuggestions = false;
              });
            }
          },
        ),
        if (showSuggestions)
          SizedBox(
            height: 300,
            child: ListView.builder(
              itemCount: searchItems.length,
              itemBuilder: (context, index) {
                final item = searchItems[index];
                return ListTile(
                  leading: Icon(Icons.place),
                  onTap: () => updateLocation(item),
                  title: Text(
                    item.displayName,
                    overflow: TextOverflow.ellipsis,
                    maxLines: 1,
                  ),
                );
              },
            ),
          ),
      ],
    );
  }

  @override
  void dispose() {
    searchTextController.removeListener(_onSearchTextChanged);
    searchTextController.dispose();
    super.dispose();
  }
}

class SearchItem {
  final String displayName;
  final double lat;
  final double lon;
  final Map<String, dynamic> address;

  SearchItem(
      {required this.displayName,
      required this.lat,
      required this.lon,
      required this.address});

  factory SearchItem.fromJson(Map<String, dynamic> json) {
    return SearchItem(
      displayName: json['display_name'] ?? '',
      lat: double.tryParse(json['lat'] ?? '0.0') ?? 0.0,
      lon: double.tryParse(json['lon'] ?? '0.0') ?? 0.0,
      address: json['address'] ?? {},
    );
  }
}