using System;
using System.Collections.Generic;
using System.Dynamic;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace LCU.Library.Internal.DocumentModels.Converter;

public class DynamicObjectJsonConverter : Newtonsoft.Json.JsonConverter
{
    public override void WriteJson(JsonWriter writer, dynamic value, JsonSerializer serializer)
    {
        serializer.Serialize(writer, value);
    }

    public override dynamic ReadJson(JsonReader reader, Type objectType, dynamic existingValue, JsonSerializer serializer)
    {
        if (reader.TokenType != JsonToken.StartObject) return reader.Value;
        
        var node = JObject.Load(reader);
        
        var definition = new ExpandoObject();
        var definitionPropertyBag = definition as IDictionary<string, object>;
        foreach (var property in node.Properties())
        {
            definitionPropertyBag[property.Name] = property.Value.ToObject<object>();
        }

        return JsonConvert.DeserializeAnonymousType(node.ToString(), definition);
    }

    public override bool CanConvert(Type _) => true;
}