(de)serialization on TMdb api

// Genre ID search path = https://api.themoviedb.org/3/genre/12/movies?api_key=7cc33ddda390c1e661b0c6e87e0e5cd0&language=en-US&include_adult=false&sort_by=created_at.asc
        //Movie search path = https://api.themoviedb.org/3/search/movie?api_key=7cc33ddda390c1e661b0c6e87e0e5cd0&language=en-US&query=

        private string _tmdbBaseUrl = "https://api.themoviedb.org/3/";
        private string _searchMovies = "search/movie";
        private string _apiKey = "........................";
        private string _language = "language=en-US";
        public int _page { get; private set; } = 1;
        public int _genre { get; private set; }
        private List<MovieSearchResult> _results = new List<MovieSearchResult>();
        public int _pageCount { get; set; }//TODO: fix this


        public void PageNextOrBack(string choice) {
            var movieSearch = new MovieSearch();
            _pageCount = movieSearch.Pages;
            //if(choice == "next") {
            //    _page++;
            //}
            if (choice == "next" && _page < _pageCount) {
                _page ++;
            }
            if (choice == "back" && _page > 1) {
                _page--;
            }
        }

        public List<MovieSearchResult> GetMovies(string typeOfSearch, string query) {
            byte[] searchResults = SearchByMovieOrGenre(typeOfSearch, query);
            var serializer = new JsonSerializer();
            using (var stream = new MemoryStream(searchResults))
            using (var reader = new StreamReader(stream))
            using (var jsonReader = new JsonTextReader(reader)) {
                _results = serializer.Deserialize<MovieSearch>(jsonReader).Results;
            }
            return _results;
        }

        private byte[] SearchByMovieOrGenre(string typeOfSearch, string query) {
            byte[] searchResults = null;
            var webClient = new WebClient();
            if (typeOfSearch == "movie") {
                searchResults = webClient.DownloadData(string.Format($"{_tmdbBaseUrl}{_searchMovies}" +
                                                                     $"?api_key={_apiKey}&{_language}&query={query}&page={_page}"));
            }
            if (typeOfSearch == "genre") {
                query = _genre.ToString();
                searchResults = webClient.DownloadData(string.Format($"{_tmdbBaseUrl}genre/{query}/movies" +
                                                                 $"?api_key={_apiKey}&{_language}&include_adult=false&sort_by=created_at.asc"));
            }
            return searchResults;
        }

        public int GetGenreId(string genreType) {
            var genres = DeserializeGenres();
            foreach (var genre in genres) {
                if(genre.GenreType.ToLower().Trim() == genreType) {
                    _genre = genre.Id;
                    return _genre;
                }
            }
            return -1;
        }

        // used to deserialize genre.Json
            public static List<Genre> DeserializeGenres() {
            GetListings listings = new GetListings();
            string currDirectory = Directory.GetCurrentDirectory();
            DirectoryInfo directory = new DirectoryInfo(currDirectory);
            var fileName = Path.Combine(directory.FullName, "genre.Json");
            var genres = new List<Genre>();
            var serializer = new JsonSerializer();
            using (var reader = new StreamReader(fileName))
            using (var jsonReader = new JsonTextReader(reader)) {
                genres = serializer.Deserialize<List<Genre>>(jsonReader);
            }
            return genres;
        }

    public class MovieSearch {
        public int page { get; set; }
        [JsonProperty(PropertyName = "results")]
        public List<MovieSearchResult> Results { get; set; }
        public int total_results { get; set; }
        [JsonProperty(PropertyName = "total_pages")]
        public int Pages { get; set; }
    }

    public class MovieSearchResult {
        public string poster_path { get; set; }
        public bool adult { get; set; }
        [JsonProperty(PropertyName = "overview")]
        public string Overview { get; set; }
        public string release_date { get; set; }
        [JsonProperty(PropertyName = "genre_ids")]
        public int?[] GenreId { get; set; }
        public int id { get; set; }
        public string original_title { get; set; }
        public string original_language { get; set; }
        [JsonProperty(PropertyName = "title")]
        public string Title { get; set; }
        public string backdrop_path { get; set; }
        public float popularity { get; set; }
        public int vote_count { get; set; }
        public bool video { get; set; }
        [JsonProperty(PropertyName = "vote_average")]
        public float Rating { get; set; }
    }

{
"page": 1,
"results": [
    {
    "poster_path": "/l1R3ATerm8joOYXBl2QXx8ORzfw.jpg",
    "adult": false,
    "overview": "Film about an unemployed, socially handicapped bachelor who 
    lives in a very small world. For his birthday, his mother gives him a 
    young dog. The touching pup brings about a pleasant change in his lonely 
    life. But the growing up of the small dog forces him to make a radical 
    choice.",
    "release_date": "2002-09-23",
    "genre_ids": [
      18
    ],
    "id": 353026,
    "original_title": "Bob",
    "original_language": "nl",
    "title": "Bob",
    "backdrop_path": null,
    "popularity": 1.000396,
    "vote_count": 0,
    "video": false,
    "vote_average": 0
  },
  {
    "poster_path": "/lOc18fcPLemZBQt8u6VfFkylKdn.jpg",
    "adult": false,
    "overview": "Who says a hamster can't travel the world chasing down his 
     lady-love?",
    "release_date": "2011-06-30",
    "genre_ids": [],
    "id": 390984,
    "original_title": "Bob",
    "original_language": "en",
    "title": "Bob",
    "backdrop_path": null,
    "popularity": 1.001,
    "vote_count": 1,
    "video": false,
    "vote_average": 6
  },
  {
    "poster_path": "/aCvXgFNmP2G9w2VMsId7XVTrXx4.jpg",
    "adult": false,
    "overview": "In this second film revolving around the character Bølle 
     Bob, the town mayor and Miss Friis, the stuck-up headmistress, plan to 
     raze Lilleby School to the ground. And it¿s up to Bølle Bob, the class 
     clown, to take charge. Aided by the aging rock musician Valde, Bølle 
     Bob and all his friends put on a musical to recruit new students, so 
     their endangered school can survive. But the mayor and Miss Friis soon 
     reach into their bag of dirty tricks.",
    "release_date": "2010-08-01",
    "genre_ids": [
      10751
    ],
    "id": 56644,
    "original_title": "Bølle Bob: Alle tiders helt",
    "original_language": "da",
    "title": "Bob Bob Trouble Boy",
    "backdrop_path": "/neR4H24POvoQN9e28vP6XqqYDVI.jpg",
    "popularity": 1.002439,
    "vote_count": 1,
    "video": false,
    "vote_average": 6.5
  },
  {
    "poster_path": "/sMAMFFCGf07G5Cuo0WrlIFRH7o8.jpg",
    "adult": false,
    "overview": "Independent filmmaker Caveh Zahedi meets his childhood 
     idol.",
    "release_date": "2016-01-24",
    "genre_ids": [
      16,
      35
    ],
    "id": 379386,
    "original_title": "Bob Dylan Hates Me",
    "original_language": "en",
    "title": "Bob Dylan Hates Me",
    "backdrop_path": null,
    "popularity": 1.011612,
    "vote_count": 1,
    "video": false,
    "vote_average": 7
  }
  ],
"total_results": 540,
"total_pages": 27
}