//css_reference "core.dll";
//css_reference "Databases.dll";
//css_reference "utils.dll";

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Net;
using System.Collections;
using System.Web;
using System.Text.RegularExpressions;
using MediaPortal.Util;

class Grabber : MediaPortal.Video.Database.IIMDBScriptGrabber
{
  public Grabber()
    {
    }
  void MediaPortal.Video.Database.IIMDBScriptGrabber.FindFilm(string strSearch, int iLimit, ArrayList elements)
  {
    int iCount = 0;
    string strTitle;
    try
    {
      string absoluteUri;
      string strURL = "http://it.movies.yahoo.com/dynamic/textsearch.html?p=" + strSearch + "&sp=movie";
      string strBody = GetPage(strURL, "utf-8", out absoluteUri);

      // Mars Warrior @ 03-sep-2004.
      // First try to find an Exact Match. If no exact match found, just look
      // for any match and add all those to the list. This narrows it down more easily...
      int iStartOfMovieList = strBody.IndexOf("<h2> Film </h2>");
      int endOfTitleList = strBody.IndexOf("Notizie </h2>");
      if (iStartOfMovieList < 0)
      {
        return;
      }

      iStartOfMovieList += "<ol".Length;
      int iEndOfMovieList = strBody.IndexOf("</ol>", iStartOfMovieList);

      if (iEndOfMovieList < 0)
      {
        iEndOfMovieList = strBody.Length;
      }
      if (endOfTitleList < iEndOfMovieList && endOfTitleList > iStartOfMovieList)
      {
        iEndOfMovieList = endOfTitleList;
      }
      strBody = strBody.Substring(iStartOfMovieList, iEndOfMovieList - iStartOfMovieList);
      while ((true) && (iCount < iLimit))
      {
        ////<A HREF="/Title?0167261">Lord of the Rings: The Two Towers, The (2002)</A>
        int iAHREF = strBody.IndexOf("<a href=");
        if (iAHREF >= 0)
        {
          int iEndAHREF = strBody.IndexOf("</a>");
          if (iEndAHREF >= 0)
          {
            iAHREF += "<a href=.".Length;
            string strAHRef = strBody.Substring(iAHREF, iEndAHREF - iAHREF);
            int iURL = strAHRef.IndexOf(">");
            if (iURL > 0)
            {
              strTitle = "";
              strURL = strAHRef.Substring(0, iURL);
              //if (strURL[strURL.Length - 1] == '\'')
                strURL = strURL.Substring(0, strURL.Length - 1);
              iURL++;
              int iURLEnd = strAHRef.IndexOf("<", iURL);
              if (iURLEnd > 0)
              {
                strTitle = strAHRef.Substring(iURL, iURLEnd - iURL);
              }
              else
              strTitle = strAHRef.Substring(iURL);

              ///int onclick = strURL.IndexOf(" onclick");
              ///if (onclick >= 0)
              ///  strURL = strURL.Substring(0, onclick - 1);
              strURL = String.Format("http://it.movies.yahoo.com{0}", strURL);
              HTMLUtil htmlUtil = new HTMLUtil();
              htmlUtil.ConvertHTMLToAnsi(strTitle, out strTitle);


              int endTagLength = "</a>".Length;
              int posNextTag = strBody.IndexOf("<", iEndAHREF + endTagLength);
              if (posNextTag > 0)
              {
              string strSub = strBody.Substring(iEndAHREF + endTagLength, posNextTag - (iEndAHREF + endTagLength));
              strTitle += strSub;
              }
              // to avoid including of &nbsp; 
              if ((strTitle.IndexOf("\n") < 0) && (strTitle.IndexOf("&nbsp;") < 0))
              {
                MediaPortal.Video.Database.IMDB.IMDBUrl url = new MediaPortal.Video.Database.IMDB.IMDBUrl(strURL, strTitle + " (yahoo_it)", "yahoo_it");
                elements.Add(url);
              }
              iCount++;
            }
            if (iEndAHREF + 1 >= strBody.Length)
              break;
            iStartOfMovieList = iEndAHREF + 1;
            strBody = strBody.Substring(iEndAHREF + 1);
          }
          else
          {
            break;
          }
        }
        else
        {
          break;
        }
      }
    }
    catch (Exception ex)
    {
      MediaPortal.GUI.Library.Log.Error("exception for yahoo lookup of {0} err:{1} stack:{2}",strSearch, ex.Message, ex.StackTrace);
    }
  }

  bool MediaPortal.Video.Database.IIMDBScriptGrabber.GetDetails(MediaPortal.Video.Database.IMDB.IMDBUrl url, ref MediaPortal.Video.Database.IMDBMovie movieDetails)
  {
    try
    {

      int iStart = 0;
      int iEnd = 0;
      movieDetails.Reset();
      // add databaseinfo
      // may add an another grabber  
      movieDetails.Database = "yahoo_it";

      string strAbsURL;
	  string strAbsMovieURL;
	  string strUrlMovieURL;
      string strBody = GetPage(url.URL, "utf-8", out strAbsURL);
	  strAbsMovieURL = strAbsURL;
      if (strBody == null || strBody.Length == 0)
        return false;

      int iPos = strAbsURL.IndexOf("index-");
      if (iPos > 0)
      {
        iPos += "index-".Length;
        movieDetails.IMDBNumber = strAbsURL.Substring(iPos);
        int pos = movieDetails.IMDBNumber.IndexOf(".html");
        if (pos > 0)
          movieDetails.IMDBNumber = movieDetails.IMDBNumber.Substring(0, pos);
      }

	  int imPos = strAbsMovieURL.IndexOf("yahoo.com");
	  if (imPos > 0)
	  {
		imPos += "yahoo.com".Length;
		strUrlMovieURL = strAbsMovieURL.Substring(imPos);
		int posm = strUrlMovieURL.IndexOf("index-");
		if (posm > 0)
			strUrlMovieURL = strUrlMovieURL.Substring(0, posm);
	  }
	  
      url.Title = url.Title.Trim();
      // cut of " (imdb)"
      iEnd = url.Title.IndexOf("(");
      if (iEnd >= 0)
        movieDetails.Title = url.Title.Substring(0, iEnd);
      else
        movieDetails.Title = url.Title;
      movieDetails.Title = movieDetails.Title.Trim();
      string movieTitle = System.Web.HttpUtility.HtmlEncode(movieDetails.Title);
      int iDirectedBy = strBody.IndexOf("Regia");
      int iCredits = strBody.IndexOf("Sceneggiatura");
      int iGenre = strBody.IndexOf("Genere");
	  if (iGenre < 0)
	     iGenre = strBody.IndexOf("Generi");
      ///int iTagLine = strBody.IndexOf("Tagline:</h5>");
      int iPlotOutline = strBody.IndexOf("Trama");
      int iPlotSummary = strBody.IndexOf("Trama");
      int iPlot = strBody.IndexOf("Trama");
      int iImage = strBody.IndexOf( movieDetails.IMDBNumber + ".html\'><img src=\"");
      if (iImage >= 0)
      {
        iImage += (movieDetails.IMDBNumber + ".html\'><img src=\"").Length;
      }
      int iRating = strBody.IndexOf("numrating");
      int iCred = strBody.IndexOf("<dt>Cast</dt>");
      ///int iTop = strBody.IndexOf("Top 250:");
	  int iTop = -1;
      int iYear = strBody.IndexOf("Data di uscita");
      if (iYear >= 0)
      {
	    int iYearEnd = strBody.IndexOf("</dd>", iYear);
		iYearEnd -= 4;
        string strYear = strBody.Substring(iYearEnd, 4);
        movieDetails.Year = System.Int32.Parse(strYear);
      }

      if (iDirectedBy >= 0)
        movieDetails.Director = ParseAHREFIMDB(strBody, iDirectedBy, url.URL).Trim();

      if (iCredits >= 0)
        movieDetails.WritingCredits = ParseAHREFIMDB(strBody, iCredits, url.URL).Trim();

	  if (iGenre >= 0)
	  {
	    iGenre += "Genere</dt><dd>".Length;
		int iGenreEnd = strBody.IndexOf("</dd>", iGenre);
        movieDetails.Genre = strBody.Substring(iGenre, iGenreEnd - iGenre);
	  }
      if (iRating >= 0) // and votes
      {
        iRating += "numrating".Length;
        iStart = strBody.IndexOf("alt=\"", iRating);
        if (iStart >= 0)
        {
          iStart += "alt=\"".Length;
          iEnd = strBody.IndexOf("stars", iStart);
          iEnd -= 1;
          // set rating
          string strRating = strBody.Substring(iStart, iEnd - iStart);
          if (strRating != String.Empty)
            strRating = strRating.Replace('.', ',');
          try
          {
            movieDetails.Rating = (float)System.Double.Parse(strRating);
			movieDetails.Rating = movieDetails.Rating * 2;
            if (movieDetails.Rating > 10.0f)
              movieDetails.Rating /= 10.0f;
          }
          catch (Exception)
          {
          }
          movieDetails.Votes = "0";
          ///if (movieDetails.Rating != 0.0f)
          ///{
            // now, votes
          ///  movieDetails.Votes = "0";
          ///  iStart = strBody.IndexOf("(", iEnd + 2);
          ///  if (iStart > 0)
          ///  {
          ///    iEnd = strBody.IndexOf(" votes</a>)", iStart);
          ///    if (iEnd > 0)
          ///    {
          ///      iStart += "(<a href=\"ratings\">".Length; // skip the parantese and link before votes
          ///      movieDetails.Votes = strBody.Substring(iStart, iEnd - iStart).Trim();
          ///    }
          ///  }
          ///}
        }
      }

      ///if (iTop >= 0) // top rated movie :)
      ///{
      ///  iTop += "top 250:".Length + 2; // jump space and #
      ///  iEnd = strBody.IndexOf("</a>", iTop);
      ///  string strTop = strBody.Substring(iTop, iEnd - iTop);
      ///  movieDetails.Top250 = System.Int32.Parse(strTop);
      ///}
      ///if (iTagLine >= 0)
      ///{
      ///  iTagLine += "Tagline:</h5>".Length;
      ///  iEnd = strBody.IndexOf("<", iTagLine);
      ///  movieDetails.TagLine = strBody.Substring(iTagLine, iEnd - iTagLine).Trim();
      ///  movieDetails.TagLine = MediaPortal.Util.Utils.stripHTMLtags(movieDetails.TagLine);
      ///  movieDetails.TagLine = HttpUtility.HtmlDecode(movieDetails.TagLine);  // Remove HTML entities like &#189;
      ///}

      if (iPlotOutline < 0)
      {
        if (iPlotSummary > 0)
        {
          iPlotSummary += "Plot Summary:</h5>".Length;
          iEnd = strBody.IndexOf("<", iPlotSummary);
          movieDetails.PlotOutline = strBody.Substring(iPlotSummary, iEnd - iPlotSummary).Trim();
          movieDetails.PlotOutline = MediaPortal.Util.Utils.stripHTMLtags(movieDetails.PlotOutline);
          movieDetails.PlotOutline = HttpUtility.HtmlDecode(movieDetails.PlotOutline);  // remove HTML entities
        }
      }
      else
      {
        iPlotOutline += "Trama</h3>".Length;
		iPlotOutline = strBody.IndexOf("<p>", iPlotOutline);
		iPlotOutline += "<p>".Length;
        iEnd = strBody.IndexOf("<p>", iPlotOutline);
        movieDetails.PlotOutline = strBody.Substring(iPlotOutline, iEnd - iPlotOutline).Trim();
        movieDetails.PlotOutline = MediaPortal.Util.Utils.stripHTMLtags(movieDetails.PlotOutline);
        movieDetails.PlotOutline = HttpUtility.HtmlDecode(movieDetails.PlotOutline);  // remove HTML entities
        movieDetails.Plot = movieDetails.PlotOutline.Trim();
        movieDetails.Plot = HttpUtility.HtmlDecode(movieDetails.Plot);  // remove HTML entities
      }

      if (iImage >= 0)
      {
        iEnd = strBody.IndexOf("\"", iImage);
        movieDetails.ThumbURL = strBody.Substring(iImage, iEnd - iImage).Trim();
      }

      //plot (removed)
      

      //cast
      int iCredEnd = strBody.IndexOf("</dd>", iCred);
	  int iEndActor = -1;
	  iCred += "<dd>".Length;
	  if (iCred >= 0)
	  {
	    string strCast = strBody.Substring(iCred, iCredEnd - iCred);
		//movieDetails.Cast += strCast;
        while ((true))
        {
          int iActor = strCast.IndexOf("\'>");
          if (iActor >= 0)
          {
            iEndActor = strCast.IndexOf("</a>");
            if (iEndActor >= 0)
            {
              iActor += "\'>".Length;
              string strActor = strCast.Substring(iActor, iEndActor - iActor);
			  strActor = MediaPortal.Util.Utils.stripHTMLtags(strActor).Trim();
              strActor = HttpUtility.HtmlDecode(strActor);
			  movieDetails.Cast += strActor;
			  movieDetails.Cast += "\n";
		    }
          }
		  else
          {
            break;
          }
          if (iEndActor + 1 >= strCast.Length)
            break;
          iCred = iEndActor + 1;
          strCast = strCast.Substring(iEndActor + 1);
        }
      }

      int iRunTime = strBody.IndexOf("Durata");
      if (iRunTime > 0)
      {
        iRunTime += "Durata</dt><dd>".Length;
        string runtime = "";
		runtime = strBody.Substring(iRunTime,2);
		try
        {
           movieDetails.RunTime = Int32.Parse(runtime);
        }
        catch (Exception) { }
		movieDetails.RunTime = movieDetails.RunTime * 60;
		iRunTime++;
		iRunTime++;
		iRunTime++;
		runtime = strBody.Substring(iRunTime, 2);
		try
        {
           movieDetails.RunTime = movieDetails.RunTime + Int32.Parse(runtime);
        }
        catch (Exception) { }
		
      }

      int mpaa = strBody.IndexOf("MPAA</a>:</h5>");
      if (mpaa > 0)
      {
        mpaa += "MPAA</a>:</h5>".Length;
        int mpaaEnd = strBody.IndexOf("</div>", mpaa);
        if (mpaaEnd > 0)
        {
          movieDetails.MPARating = strBody.Substring(mpaa, mpaaEnd - mpaa);
        }
      }


      return true;
    }
    catch (Exception ex)
    {
      MediaPortal.GUI.Library.Log.Error("exception for imdb lookup of {0} err:{1} stack:{2}", url.URL, ex.Message, ex.StackTrace);
    }
    return false;
  }

  string MediaPortal.Video.Database.IIMDBScriptGrabber.GetName()
  {
    return "YAHOOIT grabber ";
  }
 
  string MediaPortal.Video.Database.IIMDBScriptGrabber.GetLanguage()
  {
    return "IT";
  }

  private string GetPage(string strURL, string strEncode, out string absoluteUri)
  {
    string strBody = "";
    absoluteUri = String.Empty;
    Stream ReceiveStream = null;
    StreamReader sr = null;
    WebResponse result = null;
    try
    {
      // Make the Webrequest
      //Log.Info("IMDB: get page:{0}", strURL);
      WebRequest req = WebRequest.Create(strURL);

      result = req.GetResponse();
      ReceiveStream = result.GetResponseStream();

      // Encoding: depends on selected page
      Encoding encode = System.Text.Encoding.GetEncoding(strEncode);
      sr = new StreamReader(ReceiveStream, encode);
      strBody = sr.ReadToEnd();

      absoluteUri = result.ResponseUri.AbsoluteUri;
    }
    catch (Exception)
    {
      //Log.Error("Error retreiving WebPage: {0} Encoding:{1} err:{2} stack:{3}", strURL, strEncode, ex.Message, ex.StackTrace);
    }
    finally
    {
      if (sr != null)
      {
        try
        {
          sr.Close();
        }
        catch (Exception)
        {
        }
      }
      if (ReceiveStream != null)
      {
        try
        {
          ReceiveStream.Close();
        }
        catch (Exception)
        {
        }
      }
      if (result != null)
      {
        try
        {
          result.Close();
        }
        catch (Exception)
        {
        }
      }
    }
    return strBody;
  } // END GetPage()
  string ParseAHREFIMDB(string strBody, int iahref, string strURL)
  {
    int iStart = strBody.IndexOf("<a href=\'", iahref);
    if (iStart < 0)
      iStart = strBody.IndexOf("<A HREF=\'", iahref);
    if (iStart < 0)
      return "";

    int iEnd = strBody.IndexOf("</a>", iStart);
    if (iEnd < 0)
      iEnd = strBody.IndexOf("</A>", iStart);
    if (iEnd < 0)
      return "";

    iStart += "<a href=\'".Length;
    int iSep = strBody.IndexOf(">", iStart);
    string strurl = strBody.Substring(iStart, (iSep - iStart) - 1);
    iSep++;
    string strTitle = strBody.Substring(iSep, iEnd - iSep);
    strTitle = MediaPortal.Util.Utils.stripHTMLtags(strTitle);
    HTMLUtil htmlUtil = new HTMLUtil();
    htmlUtil.ConvertHTMLToAnsi(strTitle, out strTitle);
    strTitle = strTitle.Trim();
    return strTitle.Trim();

  }
  string ParseGenresIMDB(string strBody, int iGenre, string url)
  {
    string strTmp;
    string strTitle = "";
    string strHRef = strBody.Substring(iGenre);
    int iSlash = strHRef.IndexOf(" / ");
    int iEnd = 0;
    int iStart = 0;
    if (iSlash >= 0)
    {
      int iRealEnd = strHRef.IndexOf(">more<");
      if (iRealEnd < 0)
        iRealEnd = strHRef.IndexOf("</div>");
      while (iSlash < iRealEnd)
      {
        iStart = iEnd + 2;
        iEnd = iSlash;
        int iLen = iEnd - iStart;
        if (iLen < 0)
          break;
        strTmp = strHRef.Substring(iStart, iLen);
        strTitle = strTitle + ParseAHREFIMDB(strTmp, 0, "") + " / ";

        iSlash = strHRef.IndexOf(" / ", iEnd + 2);
        if (iSlash < 0)
          iSlash = iRealEnd;
      }
    }
    // last genre
    iEnd += 2;
    strTmp = strHRef.Substring(iEnd);
    strTitle = strTitle + ParseAHREFIMDB(strTmp, 0, "");
    HTMLUtil htmlUtil = new HTMLUtil();
    htmlUtil.ConvertHTMLToAnsi(strTitle, out strTitle);

    return strTitle;
  }

}