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using System;
using System.Web.Mvc;
using System.Collections.Generic;

namespace Lightcast.Web.Areas.Administrator.Controllers {
	public class AspectsController : Controller {
		/// <summary>
		/// The dependency injected service bus
		/// </summary>
		private readonly Lightcast.Infrastructure.IBus Bus;

		/// <summary>
		/// Construct a new controller with the dependencies injected by Ninject.
		/// </summary>
		/// <param name="Bus">
		/// The <see cref="Lightcast.Infrastructure.IBus"/> injected.
		/// </param>
		public AspectsController(Lightcast.Infrastructure.IBus Bus) {
			this.Bus = Bus;
		}

		/// <summary>
		/// Edit an aspect.
		/// </summary>
		/// <param name="id">The unique identity of the aspect to edit.</param>
		/// <returns></returns>
		public ActionResult Edit(Guid? id) {
			// if the given id is empty, then we will simply edit a new model
			if (id == Guid.Empty || !id.HasValue)
				return View(new Lightcast.Presentation.Models.Aspect {
						Properties = new List<Lightcast.Presentation.Models.Property> {
					}
				});
		
			return View();
		}

		[HttpPost]
		public ActionResult Edit([FromJson] Lightcast.Presentation.Models.Aspect model) {
			return Json(model.ToJson(), JsonRequestBehavior.AllowGet);
		}
	}
}

namespace System.Web.Mvc {
	public class FromJsonAttribute : CustomModelBinderAttribute {
		private readonly static System.Web.Script.Serialization.JavaScriptSerializer serializer = 
			new System.Web.Script.Serialization.JavaScriptSerializer();

		public override IModelBinder GetBinder() {
			return new JsonModelBinder();
		}

		private class JsonModelBinder : IModelBinder {
			public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) {
				var stringified = controllerContext.HttpContext.Request[bindingContext.ModelName];
				if (string.IsNullOrEmpty(stringified))
					return null;
				return serializer.Deserialize(stringified, bindingContext.ModelType);
			}
		}
	}
}