using System.IO;
using Newtonsoft.Json;
using RestSharp.Serializers;
using RestSharp.Deserializers;

namespace HabitSharp.Serialization {
    public class NewtonsoftJsonSerializer : ISerializer, IDeserializer
    {
        private Newtonsoft.Json.JsonSerializer serializer;

        public NewtonsoftJsonSerializer(Newtonsoft.Json.JsonSerializer serializer) => this.serializer = serializer;

        public string ContentType {
            get => "application/json";
            set { }
        }

        public string DateFormat { get; set; }

        public string Namespace { get; set; }

        public string RootElement { get; set; }

        public string Serialize(object obj)
        {
            using (var stringWriter = new StringWriter())
            {
                using (var jsonTextWriter = new JsonTextWriter(stringWriter))
                {
                    serializer.Serialize(jsonTextWriter, obj);
                    return stringWriter.ToString();
                }
            }
        }

        public T Deserialize<T>(RestSharp.IRestResponse response)
        {
            using (var stringReader = new StringReader(response.Content))
            {
                using (var jsonTextReader = new JsonTextReader(stringReader))
                {
                    return serializer.Deserialize<T>(jsonTextReader);
                }
            }
        }

        public static NewtonsoftJsonSerializer Default =>
            new NewtonsoftJsonSerializer(new Newtonsoft.Json.JsonSerializer() {
                NullValueHandling = NullValueHandling.Ignore,
            });
    }
}