using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Spark;
using Spark.FileSystem;
using Spark.Web.Mvc;
using System.Web.Mvc;
using System.IO;

namespace Indev.Ciel.Web.Services
{
    public class SparkOnTheFly
    {
        public static string Render(string sTemplate, object data = null)
        {
            var writer = new StringWriter();
            var settings = new SparkSettings()
                                .SetPageBaseType(typeof(Indev.Ciel.Web.Views.BaseView))
                                .SetDebug(true);

            var templates = new InMemoryViewFolder();
            var engine = new SparkViewEngine(settings)
            {
                ViewFolder = templates
            };


            templates.Add("sample.spark", @sTemplate);
            var descriptor = new SparkViewDescriptor()
                .AddTemplate("sample.spark");

            var view = (Views.BaseView)engine.CreateInstance(descriptor);
            try
            {
                if (data != null)
                {
                    view.ViewData = new ViewDataDictionary(data);
                }
                view.RenderView(writer);
            }
            finally
            {
                engine.ReleaseInstance(view);
            }
            return writer.ToString();
        }

    }
}