using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;
using System.Xml;

namespace CB.Common
{
    public static class GetDatas
    {
        public static string GetNewsData(long qi, int cid, int size)
        {
            string newinfos = GetNews(qi, cid, size);
            if (string.IsNullOrEmpty(newinfos))
            {
                return "";
            }
            string news="";
            string[] infos = newinfos.Split('|');
			if (infos.Length > 0 && infos != null)
            {
				for (int i = 0; i < infos.Length - 1; i++)
                {
                    string[] s = infos[i].Split('&');
                    DateTime time = Convert.ToDateTime(s[2]);
                    news += "<li><a href=\"" + infos[infos.Count() - 1] + time.ToString("yyyyMMdd") + "_" + s[0] + ".htm\" target=\"_blank\">" + Utils.GetLoadTitle(s[1]) + "</a><span class=\"time\">" + time.ToString("MM-dd") + "</span></li>";
                }
            }
            return news;
        }
        public static string GetNews(long qi,int cid,int size) 
        {
            HttpWebResponse HttpWResp = null;
            HttpWebRequest myReq = null;
            StringBuilder sb = new StringBuilder();
            Stream myStream = null;
            StreamReader sr = null;
            Encoding code = Encoding.GetEncoding("gb2312");
            try
            {
                string path = AppDomain.CurrentDomain.BaseDirectory + "Config\\url.xml";
                XmlDocument xml = new XmlDocument();
                xml.Load(path);
                XmlNode root = xml.SelectSingleNode("path");
                string url = root.InnerText.Trim();
                url += "?Typename=select";
                string paras=string.Format("topSize={0}|cid={1}|qi={2}",size,cid,qi);
                string sign=Utils.MD5("d3d3LjNkdGFpaHV6aW1pLmNu"+"select"+paras);
                url = url + "&paras=" + paras + "&sign=" + sign;
                myReq = (HttpWebRequest)WebRequest.Create(url);
                myReq.Timeout = 5000;
                myReq.ContentType = "text/html;charset=gb2312";

                myReq.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";

                HttpWResp = (HttpWebResponse)myReq.GetResponse();
                myStream = HttpWResp.GetResponseStream();

                sr = new StreamReader(myStream, Encoding.UTF8);
                sb.Append(sr.ReadToEnd());
                return sb.ToString();
            }
            catch(Exception)
            {
                return "";
            }
        }
    }
}