namespace ChatRoomServer.Www.Models
{
	using System;
	using System.Web.Mvc;
	using Newtonsoft.Json;
	using Newtonsoft.Json.Serialization;

	/// <summary>
	/// 使用Json.Net进行序列化的结果
	/// </summary>
	public class Json2Result : JsonResult
	{
		static JsonSerializerSettings _camelJsonSetting = new JsonSerializerSettings
		{
			ContractResolver = new CamelCasePropertyNamesContractResolver()
		};

		/// <summary>
		/// 获得或设置经行回调的js函数名
		/// </summary>
		public string CallbackJsFunction { get; set; }

		/// <summary>
		/// 获得是否使用缩进
		/// </summary>
		public bool Indent { get; set; }

		/// <summary>
		/// 获得或设置是否使用Camel命名方式
		/// </summary>
		public bool UseCamelName { get; set; }

		public override void ExecuteResult(ControllerContext context)
		{
			var request = context.HttpContext.Request;
			CallbackJsFunction = CallbackJsFunction.DefaultForEmpty(request.QueryString["callback"] ?? "");


			var response = context.HttpContext.Response;
			response.ContentType = ContentType.DefaultForEmpty(CallbackJsFunction.IsNullOrEmpty() ? "application/json" : "text/javascript");
			if (ContentEncoding != null) response.ContentEncoding = ContentEncoding;

			if (Data != null)
			{
				if (!CallbackJsFunction.IsNullOrEmpty())
				{
					response.Write(CallbackJsFunction);
					response.Write("(");
				}
				response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(Data, Indent ? Formatting.Indented : Formatting.None, UseCamelName ? _camelJsonSetting : null));
				if (!CallbackJsFunction.IsNullOrEmpty())
				{
					response.Write(")");
				}
			}
		}
	}
}