passo_mobile_app/lib/utils/location_utilities.dart

import 'dart:convert';

import 'package:unit2/model/location/city.dart';
import 'package:unit2/model/location/country.dart';
import 'package:http/http.dart' as http;
import 'package:unit2/model/location/provinces.dart';
import 'package:unit2/utils/request.dart';
import 'package:unit2/utils/urls.dart';

import '../model/location/region.dart';
class LocationUtils {
  static final LocationUtils _instance = LocationUtils();
  static LocationUtils get instance => _instance;


    Map<String, String> headers = {
      'Content-Type': 'application/json; charset=UTF-8',
    };

  Future<List<Country>>getCountries()async{
    List<Country> countries=[];
    String path = Url.instance.getCounties();
    

  // try{
 http.Response response = await Request.instance.getRequest(path: path, param: {},headers: headers);
   if(response.statusCode == 200){
    Map data = jsonDecode(response.body);
    if(data['data'] != null){
      data['data'].forEach((var country){
        Country newCOuntry = Country.fromJson(country);
        countries.add(newCOuntry);
      });
    }
   }
  // }catch(e){
  //   throw(e.toString());
  // }
  return countries;
  }


Future<List<Region>>getRegions()async{
    List<Region> regions=[];
    String path = Url.instance.getRegions();
    
  
  // try{
 http.Response response = await Request.instance.getRequest(path: path, param: {},headers: headers);
   if(response.statusCode == 200){
    Map data = jsonDecode(response.body);
    if(data['data'] != null){
      data['data'].forEach((var region){
        Region newRegion = Region.fromJson(region);
        regions.add(newRegion);
      });
    }
   }
  // }catch(e){
  //   throw(e.toString());
  // }
  return regions;
  }

  Future<List<Province>>getProvinces({required String regionCode})async{
   List<Province> provinces = [];
   String path = Url.instance.getProvinces()+regionCode;

    try{
      http.Response response = await Request.instance.getRequest(path: path,param:{},headers: headers);
      Map data = jsonDecode(response.body);
      if(data['data'] != null){
        data['data'].forEach((var province){
          Province newProvince = Province.fromJson(province);
          provinces.add(newProvince);
        });
      }
    
    }catch(e){
      throw(e.toString());
    }
  return provinces;
  }

  Future<List<CityMunicipality>>getCities({required String code})async{
    List<CityMunicipality> cities = [];
    String path = Url.instance.getCities()+code;
    try{
      http.Response response = await Request.instance.getRequest(path: path, param: {},headers: headers);
      Map data = jsonDecode(response.body);
      if(data['data'] != null){
        data['data'].forEach((var city){
          CityMunicipality cityMun = CityMunicipality.fromJson(city);
          cities.add(cityMun);
        });
      }
    }catch(e){
      throw(e.toString());
    }
    return cities;
  }
}