M3u validator

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Vlc.DotNet.Forms;

namespace IPTVValidator
{
    public class IPTVValidatorForm : Form
    {
        private VlcControl vlcControl;

        public IPTVValidatorForm()
        {
            InitializeComponents();
        }

        private void InitializeComponents()
        {
            // Initialize VLC control
            vlcControl = new VlcControl();
            Controls.Add(vlcControl);
        }

        public List<string> GetValidURLs(string filePath)
        {
            if (!File.Exists(filePath))
            {
                throw new FileNotFoundException("M3U file not found.", filePath);
            }

            List<string> validURLs = new List<string>();
            string[] lines = File.ReadAllLines(filePath);

            foreach (string line in lines)
            {
                if (line.StartsWith("#EXTINF:"))
                {
                    string url = lines.FirstOrDefault(l => !l.StartsWith("#") && !string.IsNullOrWhiteSpace(l));
                    if (!string.IsNullOrEmpty(url))
                    {
                        if (ValidateURL(url))
                        {
                            validURLs.Add(line);
                            validURLs.Add(url);
                        }
                    }
                }
            }

            return validURLs;
        }

        private bool ValidateURL(string url)
        {
            // Use VLC DotNet Forms to check if the URL is valid
            try
            {
                vlcControl.SetMedia(new Uri(url));
                return true;
            }
            catch
            {
                return false;
            }