using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml.Linq;
using System.IO;
using System.Xml;

namespace MehmetDuran
{
	public class RssItem
	{
		public string Baslik { set; get; }
		public string Tanim { set; get; }
		public DateTime Tarih { set; get; }
		public string Link { set; get; }
	}

	public class Rss
	{
		public string Baslik { set; get; }
		public string Tanim { set; get; }
		public string Link { set; get; }
		public string Author { set; get; }
		public List<RssItem> Items { set; get; }
		public DateTime GuncellenenTarih { set; get; }
		public string Resim { get; set; }

		public Rss(string RssBaslik, string RssTanim, string RssLink, string RssAuthor, List<RssItem> RssItems, DateTime RssGuncellenenTarih, string RssResim)
		{
			this.Baslik = RssBaslik;
			this.Tanim = RssTanim;
			this.Link = RssLink;
			this.Author = RssAuthor;
			this.Items = RssItems;
			this.GuncellenenTarih = RssGuncellenenTarih;
			this.Resim = RssResim;
		}

		public string RssSonuc()
		{
			XDocument doc = new XDocument
			(
				new XDeclaration("1.0", "UTF-8", ""),
				new XElement
				(
					"rss",
					new XAttribute("version", "2.0"),
					new XElement
					(
						"channel",
						new XElement("title", Baslik),
						new XElement("link", Link),
						new XElement("description", Tanim),
						new XElement("image", new XElement("url", Resim))
					)
				)
			);
			foreach (RssItem item in Items)
			{
				XElement i = new XElement
				(
					"item",
					new XElement("title", item.Baslik),
					new XElement("link", item.Link),
					new XElement("pubDate", item.Tarih),
					new XElement("description", item.Tanim)
				);
				doc.Element("rss").Element("channel").Add(i);
			}
			MemoryStream ms = new MemoryStream();
			XmlWriter xw = XmlWriter.Create(ms);
			doc.Save(xw);
			xw.Close();
			return new System.Text.UTF8Encoding().GetString(ms.ToArray());
		}

	}
}