//	Spludlow Software
//	Copyright © Samuel P. Ludlow 2020 All Rights Reserved
//	Distributed under the terms of the GNU General Public License version 3
//	Distributed WITHOUT ANY WARRANTY; without implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE
//	https://www.spludlow.co.uk/LICENCE.TXT
//	The Spludlow logo is a registered trademark of Samuel P. Ludlow and may not be used without permission
//	v1.14

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using System.IO;
using System.Data;

namespace Spludlow.Net
{
	public class PortNumbers
	{
		//	

		public static DataTable DataTable = null;

		static PortNumbers()
		{
			string filename = Spludlow.Config.ProgramData + @"\Data\PortNumbers.txt";

			if (File.Exists(filename) == false)
			{
				using (Spludlow.TempDirectory tempDir = new TempDirectory())
				{
					string url = "https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.csv";
					string tempFilename = tempDir + @"\PortNumbers.csv";

					Spludlow.Net.Http.GetDataFile(url, tempFilename);

					DataTable table = Spludlow.Data.CSV.Read(tempFilename);

					Spludlow.Data.TextTable.Write(filename, table);
				}
			}

			DataTable = Spludlow.Data.TextTable.ReadFile(filename);
		}
	}
}