using System;
using Newtonsoft.Json;

namespace Umbraco.Core.Serialization
{
    public class FuzzyBooleanConverter : JsonConverter
    {
        public override bool CanWrite => false;

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            throw new NotSupportedException();
        }

        public override bool CanRead => true;

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            var value = reader.Value;
            if (value is bool) return value;

            switch (value.ToString().ToLower().Trim())
            {
                case "true":
                case "yes":
                case "y":
                case "1":
                    return true;

                case "false":
                case "no":
                case "n":
                case "0":
                    return false;
            }

            return new JsonSerializer().Deserialize(reader, objectType);
        }

        public override bool CanConvert(Type objectType) => objectType == typeof(bool);
    }
}