using Newtonsoft.Json;
using System;
using UnityEngine;

namespace MetaCity.Core.Common
{
    public class VectorConverter : JsonConverter
    {
        public override bool CanRead => true;
        public override bool CanWrite => true;

        public override bool CanConvert(Type objectType)
        {
            return typeof(Vector2) == objectType ||
                   typeof(Vector2Int) == objectType ||
                   typeof(Vector3) == objectType ||
                   typeof(Vector3Int) == objectType ||
                   typeof(Vector4) == objectType;
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue,
            JsonSerializer serializer)
        {
            return objectType switch
            {
                var t when t == typeof(Vector2) => JsonConvert.DeserializeObject<Vector2>(serializer.Deserialize(reader)
                    .ToString()),
                var t when t == typeof(Vector2Int) => JsonConvert.DeserializeObject<Vector2Int>(serializer
                    .Deserialize(reader).ToString()),
                var t when t == typeof(Vector3) => JsonConvert.DeserializeObject<Vector3>(serializer.Deserialize(reader)
                    .ToString()),
                var t when t == typeof(Vector3Int) => JsonConvert.DeserializeObject<Vector3Int>(serializer
                    .Deserialize(reader).ToString()),
                var t when t == typeof(Vector4) => JsonConvert.DeserializeObject<Vector4>(serializer.Deserialize(reader)
                    .ToString()),
                _ => throw new Exception("Unexpected Error Occurred"),
            };
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            writer.WriteStartObject();
            switch (value)
            {
                case Vector2 v:
                    writer.WritePropertyName("x");
                    writer.WriteValue(v.x);
                    writer.WritePropertyName("y");
                    writer.WriteValue(v.y);
                    break;
                case Vector2Int v:
                    writer.WritePropertyName("x");
                    writer.WriteValue(v.x);
                    writer.WritePropertyName("y");
                    writer.WriteValue(v.y);
                    break;
                case Vector3 v:
                    writer.WritePropertyName("x");
                    writer.WriteValue(v.x);
                    writer.WritePropertyName("y");
                    writer.WriteValue(v.y);
                    writer.WritePropertyName("z");
                    writer.WriteValue(v.z);
                    break;
                case Vector3Int v:
                    writer.WritePropertyName("x");
                    writer.WriteValue(v.x);
                    writer.WritePropertyName("y");
                    writer.WriteValue(v.y);
                    writer.WritePropertyName("z");
                    writer.WriteValue(v.z);
                    break;
                case Vector4 v:
                    writer.WritePropertyName("x");
                    writer.WriteValue(v.x);
                    writer.WritePropertyName("y");
                    writer.WriteValue(v.y);
                    writer.WritePropertyName("z");
                    writer.WriteValue(v.z);
                    writer.WritePropertyName("w");
                    writer.WriteValue(v.w);
                    break;
                default:
                    throw new Exception("Unexpected Error Occurred");
            }

            writer.WriteEndObject();
        }
    }
}