using System;
using System.IO;
using System.Text;
using System.Web;
using System.Web.Mvc;
using Newtonsoft.Json;

namespace Bowin.Common.Mvc
{
    public class JsonNetResult : JsonResult
    {
        public JsonNetResult()
        {
            SerializerSettings = new JsonSerializerSettings
            {
                ReferenceLoopHandling = ReferenceLoopHandling.Error,
                DateFormatHandling = DateFormatHandling.IsoDateFormat
            };
        }

        public JsonSerializerSettings SerializerSettings { get; set; }
        public Formatting Formatting { get; set; }

        public override void ExecuteResult(ControllerContext context)
        {
            if (context == null)
                throw new ArgumentNullException("context");

            HttpResponseBase response = context.HttpContext.Response;

            response.ContentType = !string.IsNullOrEmpty(ContentType) ? ContentType : "application/json";

            if (ContentEncoding != null)
                response.ContentEncoding = ContentEncoding;

            if (Data != null)
            {
                JsonTextWriter writer = new JsonTextWriter(response.Output)
                {
                    Formatting = Formatting
                };

                JsonSerializer serializer = JsonSerializer.Create(SerializerSettings);

                serializer.Serialize(writer, Data); writer.Flush();
            }

            //if (context == null)
            //    throw new ArgumentNullException("context");
            //if (this.JsonRequestBehavior == JsonRequestBehavior.DenyGet && string.Equals(context.HttpContext.Request.HttpMethod, "GET", StringComparison.OrdinalIgnoreCase))
            //    throw new InvalidOperationException("JSON GET is not allowed");

            //HttpResponseBase response = context.HttpContext.Response;
            //response.ContentType = string.IsNullOrEmpty(this.ContentType) ? "application/json" : this.ContentType;

            //if (this.ContentEncoding != null)
            //    response.ContentEncoding = this.ContentEncoding;
            //if (this.Data == null)
            //    return;

            //var scriptSerializer = JsonSerializer.Create(this.Settings);

            //using (var sw = new StringWriter())
            //{
            //    scriptSerializer.Serialize(sw, this.Data);
            //    response.Write(sw.ToString().Trim('[', ']'));
            //}
        }
    }
}