// get nullable
import 'dart:convert';

import 'package:backend_dart/domain/entities/user.dart';
import 'package:backend_dart/domain/errors/error.dart';
import 'package:fpdart/fpdart.dart';
import 'package:shelf/shelf.dart';
import 'package:test/test.dart';

extension NullableGet<T> on TaskEither<IError, T> {
// !THIS IS ONLY FOR TESTING PURPOSES!
  Future<T?> get get {
    return match((e) => null, identity).run();
  }
}

String? extractSessionTokenFromCookie(String? token) {
  if (token == null) return null;
  final parts = token.split('=');
  if (parts[0] == 'session_token' && parts[1].isNotEmpty) {
    return parts[1];
  }
  return null;
}

Future<String?> createLoggedInToken(
  User? user,
  Handler handler, {
  String password = 'password',
}) async {
  if (user == null) {
    fail('User creation failed');
  }
  final responseLogin = await handler(Request(
    'POST',
    Uri.parse('http://localhost/api/auth/login'),
    headers: <String, String>{
      'Content-Type': 'application/json',
    },
    body: jsonEncode(
      <String, String>{
        'email': user.email,
        'password': password,
      },
    ),
  ));
  return extractSessionTokenFromCookie(responseLogin.headers['Set-Cookie']);
}