// /**
//  * File: FileSystemRouter.cs
//  * Author: haraldwolff
//  *
//  * This file and it's content is copyrighted by the Author and / or copyright holder.
//  * Any use wihtout proper permission is illegal and may lead to legal actions.
//  *
//  *
//  **/
using System.IO;
using ln.http.mime;
using ln.http.route;
using ln.mime;

namespace ln.http
{
    public class FileRouter : HttpRoute
    {
        public string FileName { get; }
        public string ContentType { get; }

        public FileRouter(string filename)
            :this(null, filename)
        {
        }

        public FileRouter(string filename, MimeTypes mimeTypes)
            :this(null, filename)
        {
            ContentType = mimeTypes.GetMimeTypeByExtension(Path.GetExtension(FileName)).ToString();
        }
        public FileRouter(string filename, string contentType)
            :base(HttpMethod.GET, null)
        {
            ContentType = contentType;
            
            if (!File.Exists(filename))
                throw new FileNotFoundException();

            FileName = filename;
            _routerDelegate = RouteToFile;
        }

        public bool RouteToFile(HttpRequestContext requestContext, string routePath)
        {
            requestContext.Response =
                HttpResponse
                    .OK()
                    .Content(new FileStream(FileName, FileMode.Open, FileAccess.Read))
                    .ContentType(ContentType);
            return true;
        }
    }

}