using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using System.Diagnostics;
using OpenQA.Selenium.Firefox;
using OpenQA.Selenium;
using HtmlAgilityPack;

namespace BBP
{
    class Program
    {
        static void Main(string[] args)
        {
            TcpListener listener = new TcpListener(IPAddress.Loopback, 8080);
            listener.Start();
            IWebDriver driver = new FirefoxDriver();

            while (true)
            {
                TcpClient client = listener.AcceptTcpClient();
                System.Net.Sockets.NetworkStream ns = client.GetStream();
                System.Text.Encoding enc = System.Text.Encoding.UTF8;
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                byte[] resBytes = new byte[256];
                do
                {
                    //データの一部を受信する
                    int resSize = ns.Read(resBytes, 0, resBytes.Length);
                    //Readが0を返した時はクライアントが切断したと判断
                    if (resSize == 0)
                    {
                        Console.WriteLine("クライアントが切断しました。");
                        break;
                    }
                    //受信したデータを蓄積する
                    ms.Write(resBytes, 0, resSize);
                } while (ns.DataAvailable);
                //受信したデータを文字列に変換
                string resMsg = enc.GetString(ms.ToArray());
                ms.Close();
                Debug.WriteLine(resMsg);

                Regex regex = new Regex("http://([a-z]+\\.2ch\\.net):80/(\\w+)/dat/(\\d+)\\.dat");
                Match match = regex.Match(resMsg);
                if (match.Success)
                {
                    string url = "http://" + match.Groups[1].Value + "/test/read.cgi/" + match.Groups[2].Value + "/" + match.Groups[3].Value + "/";
                    //string url = "http://anago.2ch.net/test/read.cgi/software/1424024569/";
                    driver.Navigate().GoToUrl(url);
                    string title = driver.FindElement(By.CssSelector("h1")).Text;
                    var htmlDoc = new HtmlAgilityPack.HtmlDocument();
                    htmlDoc.LoadHtml(driver.PageSource);
                    List<Res> ress = new List<Res>();
                    foreach (HtmlNode node in htmlDoc.DocumentNode.SelectNodes(@"//dt"))
                    {
                        Res res = new Res();
                        string[] datas = node.InnerText.Split(new char[] { '：' });
                        res.Name = datas[1];
                        res.Date = datas[2];

                        ress.Add(res);
                    }
                    HtmlNodeCollection bodys = htmlDoc.DocumentNode.SelectNodes(@"//dd");
                    for (int i = 0; i < bodys.Count; i++)
                    {
                        ress[i].Body = bodys[i].InnerHtml.Replace("\n", "").Replace("\r","");
                    }

                    string returns = "HTTP/1.1 200 OK\n\n";
                    for (int i = 0; i < ress.Count; i++)
                    {
                        if (i == 0)
                            returns += ress[i].Name + "<>" + ress[i].Mail + "<>" + ress[i].Date + "<>" + ress[i].Body + "<>" + title + "\n";
                        else
                            returns += ress[i].Name + "<>" + ress[i].Mail + "<>" + ress[i].Date + "<>" + ress[i].Body + "<>\n";
                    }

                    byte[] sendBytes = Encoding.GetEncoding(932).GetBytes(returns);
                    //データを送信する
                    ns.Write(sendBytes, 0, sendBytes.Length);
                }
                //リスナを閉じる
                ns.Close();
                client.Close();
            }
            listener.Stop();
            Console.WriteLine("Listenerを閉じました。");

        }
    }
    class Res
    {
        public string Name { get; set; }
        public string Mail { get; set; }
        public string Date { get; set; }
        public string Body { get; set; }
    }
}