using System.IO;
using System.Web.Mvc;
using Umbraco.Core.Logging;
using Umbraco.Web;
using Umbraco.Web.Composing;

namespace Umbraco.Core.Profiling
{
    public class ProfilingView : IView
    {
        private readonly IView _inner;
        private readonly string _name;
        private readonly string _viewPath;

        public ProfilingView(IView inner)
        {
            _inner = inner;
            _name = inner.GetType().Name;
            var razorView = inner as RazorView;
            _viewPath = razorView != null ? razorView.ViewPath : "Unknown";
        }

        public void Render(ViewContext viewContext, TextWriter writer)
        {
            using (Current.Profiler.Step(string.Format("{0}.Render: {1}", _name, _viewPath)))
            {
                _inner.Render(viewContext, writer);
            }
        }
    }
}