using Common.Infrastructure.Ioc;
using Magellan.Framework;
using System;
using Common.Infrastructure.Messaging;

namespace Common.Infrastructure.Mvc
{
	public abstract class CoreController : Controller
	{
		private void TrySetMessageToken(ISupportMessageTokens model)
		{
			if (model != null && Request.RouteValues.ContainsKey("MessageToken"))
				model.SetMessageToken(Request.RouteValues["MessageToken"].ToString());
		}

		/// <summary>
		/// Displays the specified view.
		/// The name of the view is assumed to be the same as the name of the ActionResult method.
		/// Example: If the name of the action method is ViewCustomers, the view is assumed to be ViewCustomers.xaml and located in the Views directory.
		/// </summary>
		/// <param name="model">
		/// Any type that supports <see cref="ISupportMessageTokens"/>.
		/// <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>, so any ViewModel that inherits from <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>.
		/// </param>
		/// <returns></returns>
		protected virtual PageResult View(ISupportMessageTokens model)
		{
			TrySetMessageToken(model);
			return Page(model);
		}

		/// <summary>
		/// Displays the specified view.
		/// </summary>
		/// <param name="viewName">Name of the view to display.</param>
		/// <param name="model">
		/// Any type that supports <see cref="ISupportMessageTokens"/>.
		/// <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>, so any ViewModel that inherits from <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>.
		/// </param>
		/// <returns></returns>
		protected virtual PageResult View(string viewName, ISupportMessageTokens model)
		{
			TrySetMessageToken(model);
			if (String.IsNullOrEmpty(viewName))
				return Page(model);
			return Page(viewName, model);
		}


		/// <summary>
		/// Displays the specified view.
		/// </summary>
		/// <typeparam name="TModel">
		/// Any type that supports <see cref="ISupportMessageTokens"></see>.
		/// <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>, so any ViewModel that inherits from <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>.
		/// </typeparam>
		/// <returns></returns>
		protected virtual PageResult View<TModel>()
				where TModel : ISupportMessageTokens
		{
			string viewName = String.Empty;
			Action<TModel> processModel = null;
			return View<TModel>(viewName, processModel);
		}
		/// <summary>
		/// Displays the specified view.
		/// </summary>
		/// <typeparam name="TModel">
		/// Any type that supports <see cref="ISupportMessageTokens"></see>.
		/// <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>, so any ViewModel that inherits from <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>.
		/// </typeparam>
		/// <param name="processModel">
		/// This method is called after a new ViewModel has been created and before the view is displayed.
		/// The method is passed the newly created ViewModel instance.
		/// Use the method to modify the ViewModel prior to it being bound to the view.
		/// Example: m =&gt; { m.FirstName = "Chris" }
		/// </param>
		/// <returns></returns>
		protected virtual PageResult View<TModel>(Action<TModel> processModel)
				where TModel : ISupportMessageTokens
		{
			string viewName = String.Empty;
			return View<TModel>(viewName, processModel);
		}
		/// <summary>
		/// Displays the specified view.
		/// </summary>
		/// <typeparam name="TModel">
		/// Any type that supports <see cref="ISupportMessageTokens"></see>.
		/// <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>, so any ViewModel that inherits from <see cref="CoreViewModel"></see> supports <see cref="ISupportMessageTokens"></see>.
		/// </typeparam>
		/// <param name="viewName">Name of the view to display.</param>
		/// <returns></returns>
		protected virtual PageResult View<TModel>(string viewName)
				where TModel : ISupportMessageTokens
		{
			Action<TModel> processModel = null;
			return View<TModel>(viewName, processModel);
		}
		/// <summary>
		/// Displays the specified view.
		/// </summary>
		/// The name of the view is assumed to be the same as the name of the ActionResult method.
		/// Example: If the name of the action method is ViewCustomers, the view is assumed to be ViewCustomers.xaml and located in the Views directory.
		/// <typeparam name="TModel">
		/// Any type that supports <see cref="ISupportMessageTokens"/>.
		/// <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>, so any ViewModel that inherits from <see cref="CoreViewModel"/> supports <see cref="ISupportMessageTokens"/>.
		/// </typeparam>
		/// /// <param name="viewName">Name of the view to display.</param>
		/// <param name="processModel">
		/// This method is called after a new ViewModel has been created and before the view is displayed.
		/// The method is passed the newly created ViewModel instance.
		/// Use the method to modify the ViewModel prior to it being bound to the view.
		/// Example: m =&gt; { m.FirstName = "Chris" }
		/// </param>
		/// <returns></returns>
		protected virtual PageResult View<TModel>(string viewName, Action<TModel> processModel) where TModel : ISupportMessageTokens
		{
			var model = TypeResolver.Get<TModel>();
			if (processModel != null)
				processModel(model);
			return View(viewName, model);
		}


	}

}