using System;
using System.Collections.Generic;
using System.Web;
using System.IO;
using System.Net;
using System.Text;

/*
@Author: Gaurav Pandey (gaurav@caa.columbia.edu)
@Description: Part of Gaurav's personal Web Site to fetch Wordpress Blog Articles
*/

class BlogEntity
{
    public string title;
    public string link;
}

class BlogData
{
    public string GetData()
    {
        //
        // TODO: Add constructor logic here
        //
        String finalString = string.Empty;
        List<String> titles = new List<string>();
        List<String> links = new List<string>();
        List<BlogEntity> entityList = new List<BlogEntity>();
        string defaultURL = "http://gauravpandey.com/wordpress/?p=";

        using (WebClient client = new WebClient())
        {
            using (Stream myStream = client.OpenRead("http://gauravpandey.com/wordpress/?feed=rss2"))
            {
                using (StreamReader reader = new StreamReader(myStream))
                {
                    String data = string.Empty;
                    while ((data = reader.ReadLine()) != null)
                    {
                        if (data.Contains("<title>") && !data.Contains("Weblog"))
                        {
                            titles.Add(data.Replace("<title>", string.Empty).Replace("</title>", string.Empty).Trim());
                        }
                        else if (data.Contains(defaultURL) && data.Contains("<link>") && data.Contains("</link>"))
                        {
                            links.Add(data.Replace("<link>", string.Empty).Replace("</link>", string.Empty).Trim());
                        }
                        else
                        {
                            //all the remaining garbage data
                        }
                    }
                }
            }
        }

        int len = titles.Count;
        for (int i = 0; i < len; i++)
        {
            BlogEntity objX = new BlogEntity();
            objX.title = titles[i];
            objX.link = links[i];

            entityList.Add(objX);
        }

        titles.Clear();
        titles = null;
        links.Clear();
        links = null;

        StringBuilder sbX = new StringBuilder();
        sbX.Append("Recent blog articles by Gaurav from Wordpress >>  ");
        foreach (BlogEntity x in entityList)
        {
            sbX.Append(string.Format("<a href=\"{0}\" target=\"_blank\">{1}</a> &nbsp;&nbsp;&nbsp;&nbsp; ", x.link, x.title));
        }

        return sbX.ToString();
    }
}