import 'dart:io';
import 'package:body_parser/body_parser.dart';
import 'package:http/http.dart' as http;
import 'package:json_god/json_god.dart' as god;
import 'package:test/test.dart';

main() {
  HttpServer server;
  String url;
  http.Client client;

  setUp(() async {
    server = await HttpServer.bind(InternetAddress.LOOPBACK_IP_V4, 0);
    server.listen((HttpRequest request) async {
      //Server will simply return a JSON representation of the parsed body
      request.response.write(god.serialize(await parseBody(request)));
      await request.response.close();
    });
    url = 'http://localhost:${server.port}';
    print('Test server listening on $url');
    client = new http.Client();
  });
  tearDown(() async {
    await server.close(force: true);
    client.close();
    server = null;
    url = null;
    client = null;
  });

  group('query string', () {
    test('GET Simple', () async {
      print('GET $url/?hello=world');
      var response = await client.get('$url/?hello=world');
      print('Response: ${response.body}');
      expect(response.body,
          equals('{"body":{},"query":{"hello":"world"},"files":[]}'));
    });

    test('GET Complex', () async {
      var postData = 'hello=world&nums%5B%5D=1&nums%5B%5D=2.0&nums%5B%5D=${3 -
          1}&map.foo.bar=baz';
      print('Body: $postData');
      var response = await client.get('$url/?$postData');
      print('Response: ${response.body}');
      var query = god.deserialize(response.body)['query'];
      expect(query['hello'], equals('world'));
      expect(query['nums'][2], equals(2));
      expect(query['map'] is Map, equals(true));
      expect(query['map']['foo'], equals({'bar': 'baz'}));
    });
  });

  group('urlencoded', () {
    Map<String, String> headers = {
      HttpHeaders.CONTENT_TYPE: 'application/x-www-form-urlencoded'
    };
    test('POST Simple', () async {
      print('Body: hello=world');
      var response =
          await client.post(url, headers: headers, body: 'hello=world');
      print('Response: ${response.body}');
      expect(response.body,
          equals('{"body":{"hello":"world"},"query":{},"files":[]}'));
    });

    test('Post Complex', () async {
      var postData = 'hello=world&nums%5B%5D=1&nums%5B%5D=2.0&nums%5B%5D=${3 -
          1}&map.foo.bar=baz';
      var response = await client.post(url, headers: headers, body: postData);
      var body = god.deserialize(response.body)['body'];
      expect(body['hello'], equals('world'));
      expect(body['nums'][2], equals(2));
      expect(body['map'] is Map, equals(true));
      expect(body['map']['foo'], equals({'bar': 'baz'}));
    });
  });

  group('JSON', () {
    Map<String, String> headers = {
      HttpHeaders.CONTENT_TYPE: ContentType.JSON.toString()
    };
    test('Post Simple', () async {
      var postData = god.serialize({'hello': 'world'});
      print('Body: $postData');
      var response = await client.post(url, headers: headers, body: postData);
      print('Response: ${response.body}');
      expect(response.body,
          equals('{"body":{"hello":"world"},"query":{},"files":[]}'));
    });

    test('Post Complex', () async {
      var postData = god.serialize({
        'hello': 'world',
        'nums': [1, 2.0, 3 - 1],
        'map': {
          'foo': {'bar': 'baz'}
        }
      });
      print('Body: $postData');
      var response = await client.post(url, headers: headers, body: postData);
      print('Response: ${response.body}');
      var body = god.deserialize(response.body)['body'];
      expect(body['hello'], equals('world'));
      expect(body['nums'][2], equals(2));
      expect(body['map'] is Map, equals(true));
      expect(body['map']['foo'], equals({'bar': 'baz'}));
    });
  });
}