import 'dart:io';

import 'package:dio/dio.dart';
import 'package:dio/io.dart';
import 'package:flutter/services.dart';

Future<Dio> createEspHttpClient({String token = ""}) async {
  Dio dio = Dio();

  final certData = await rootBundle.load("assets/certificates/rootCA.crt");
  final certBytes = certData.buffer.asUint8List();

  dio.httpClientAdapter = IOHttpClientAdapter(
    createHttpClient: () {
      SecurityContext securityContext = SecurityContext.defaultContext;
      securityContext.setTrustedCertificatesBytes(certBytes);

      return HttpClient(context: securityContext);
    }
  );

  if (token.isNotEmpty) {
    dio.interceptors.add(InterceptorsWrapper(onRequest: (RequestOptions options, RequestInterceptorHandler handler) {
      options.headers.addAll({
        "Authorization": "Bearer $token"
      });
      return handler.next(options);
    }));
  }

  return dio;
}