using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 using CsQuery;

 using System.Diagnostics;

 using System.Net;

 namespace SatChanGen

 {

 	class KingOfSat

 	{

 		//

 		// Summary:

 		//     Create a new CQ object wrapping a single element.

 		//

 		// Parameters:

 		//   aUrl:

 		//     URL to a KingOfSat channel list. Typically a package list.

 		//

 		// Return:

 		//   List of channels parsed.		

 		public static List<Channel> Parse(string aUrl, string aOrbitalPosition)

 		{

 			string kos = new WebClient().DownloadString(aUrl);

 			//Debug.Write(kos);

 			CQ dom = kos;

 			//Get all the Frequency elements in our page

 			CQ sats = dom[".frq"];

 			//Create our list of channels

 			List<Channel> channels = new List<Channel>();

 			foreach (IDomObject frq in sats.ToList())

 			{

 				Channel common = new Channel();

 				//Parse channel details

 				common.OrbitalPosition = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td > a > font").Get(0).InnerText).Trim();

 			    if (common.OrbitalPosition != aOrbitalPosition)

 			    {

                     //Wrong sat, skip

 			        continue;

 			    }

 				common.Satellite = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(2) > a").Get(0).InnerText);

 				common.Frequency = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(3)").Get(0).InnerText);

 				common.Polarisation = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(4)").Get(0).InnerText);

 				common.Transponder = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(5) > a").Get(0).InnerText);

 				common.Beam = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(6) > a").Get(0).InnerText);

 				common.Standard = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(7)").Get(0).InnerText);

 				common.Modulation = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(8)").Get(0).InnerText);

 				common.SymbolRate = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(9) > a").Get(0).InnerText);

 				common.FEC = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(9) > a:nth-child(2)").Get(0).InnerText);

 				try

 				{

 					common.Provider = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(10) > b").Get(0).InnerText);

 				}

 				catch (Exception)

 				{

 				}

 				common.Bitrate = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(10)").Get(0).InnerText);

 				if (common.Bitrate.Substring(0, ", ".Length) == ", ")

 				{

 				  common.Bitrate = common.Bitrate.Substring(", ".Length, common.Bitrate.Length - ", ".Length);

 				}

 				//

 				common.NetworkID = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(11)").Get(0).InnerText);

 				common.NetworkID = common.NetworkID.Substring("NID:".Length, common.NetworkID.Length - "NID:".Length);

 				//

 				common.TransponderID = WebUtility.HtmlDecode(frq.Cq().Find("tbody > tr > td:nth-child(12)").Get(0).InnerText);

 				common.TransponderID = common.TransponderID.Substring("TID:".Length, common.TransponderID.Length - "TID:".Length);

 				//We got common properties for the coming channels

 				//Debug.Write(common.ToString());

 				//Now get all the channels for that frequency

 				//Channel common = new Channel();

 				CQ channelsDiv = frq.Cq().Next("div");

 				CQ channelsTableRows = channelsDiv.Find("table.fl > tbody").Children("tr");

 				foreach (IDomObject row in channelsTableRows)

 				{

 					Channel channel = new Channel();

 					//Initialize this channel with common properties on this frequency

                     channel.Copy(common);

 					//Try and parse channel name

 					CQ cqChannelName = row.Cq().Find("td:nth-child(3) > a");

 					if (cqChannelName.Length == 0)

 					{

 						cqChannelName = row.Cq().Find("td:nth-child(3) > i");

 						if (cqChannelName.Length == 0)

 						{

 							//Can't get channel name

 							Debug.Write("WARNING: Can't find channel name! Skipping this channel");

 							continue;

 						}

 					}

 					channel.Name = WebUtility.HtmlDecode(cqChannelName.Get(0).InnerText).Trim();

 					if (channel.Name == "Name")

 					{

 						//Skipping header rows

 						continue;

 					}

           //Make sure our channel name looks descent

           channel.Name = CleanChannelName(channel.Name);

 					//So we have a channel name get the other properties then

 					channel.Country = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(4)").Get(0).InnerText).Trim();

 					channel.Category = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(5)").Get(0).InnerText).Trim();

 					//Skip the packages

 					//Skip the encryptions

 					channel.SID = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(8)").Get(0).InnerText).Trim();

 					channel.VPID = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(9)").Get(0).InnerText).Trim();

 					//Skip audios

 					channel.PMT = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(11)").Get(0).InnerText).Trim();

 					channel.PCR = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(11)").Get(0).InnerText).Trim();

 					channel.TXT = WebUtility.HtmlDecode(row.Cq().Find("td:nth-child(11)").Get(0).InnerText).Trim();

 					//Append that new channel to our list

 					channels.Add(channel);

 					//Show it in debug output

 					Debug.Write(channel);

 				} //For each channel

 			} //For each frequency

 			return channels;

 		}

     //

     public static string CleanChannelName(string aName)

     {

       aName.Trim();

       string[] remove = { "Germany", "Deutschland", "(Germany)", "(Deutschland)" };

       foreach (string item in remove)

       {

         if (aName.EndsWith(item))

         {

           aName = aName.Substring(0, aName.LastIndexOf(item));

           break; //only allow one match at most

         }

       }

       aName.Trim();

       return aName;

     }

 	}

 }