using System.IO;



using NVelocity;

using NVelocity.App;



namespace NOS.Registration

{

	internal class NVelocityEntryFormatter : IEntryFormatter

	{

		readonly VelocityEngine _engine;



		public NVelocityEntryFormatter()

		{

			_engine = new VelocityEngine();

			_engine.Init();

		}



		public string FormatUserEntry(User user, ISettings settings, string template)

		{

			var context = new VelocityContext();

			context.Put("user", user);

			context.Put("settings", settings);



			using (StringWriter writer = new StringWriter())

			{

				template = PrepareTemplate(template);

				_engine.Evaluate(context, writer, null, template);



				return writer.ToString();

			}

		}



		static string PrepareTemplate(string value)

		{

			if (value != null)

			{

				return value.Replace("\\n", "\n");

			}



			return value;

		}

	}

}