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

namespace ConsoleApp14
{
    class Program
    {
        static void Main(string[] args)
        {
            const string CFd = "..\\..\\tekstas.txt";
            const string CFr = "..\\..\\rez.txt";
            char[] skyrikliai = { ' ', '.' };
            string sk = new string(skyrikliai);
            skaitoraso(CFd, CFr,sk);
            //string[] ilgiausias = new string[100];

            string zodis="";
            int me = -1;
            RastiZTekste(CFd, sk, out zodis, ref me);
            if (me > 0)
            {
                Console.WriteLine("ilgzod:{0}", zodis);
            }
            //else Console.WriteLine("nera");

        }

        static void skaitoraso(string fv, string fr, string sk)
        {
            int kiekis = 0;
            using (StreamReader reader = new StreamReader(fv, Encoding.GetEncoding(1257)))
            {
                string line;
                while ((line = reader.ReadLine()) != null)
                {
                    //Balsiusk(line);
                    //Console.WriteLine(Balsiusk(line));
                    //Console.WriteLine(RastiZodiEil(line, sk));

                }

            }
        }

        static int Balsiusk(string e)
        {
            int kiek = 0;
            char[] balses = { 'a', 'o', 'u', 'i', 'e', 'y' };
            for (int i = 0; i < balses.Length; i++)
            {
                if (e.IndexOf(balses[i]) >= 0)
                    kiek++;
            }
            return kiek;
        }


        static string RastiZodiEil(string e, string sk)
        {
            //char[] mas = sk.ToCharArray();
            string ilgzod = "";
            string tuscias = "";
            string[] parts = e.Split(sk.ToArray(), StringSplitOptions.RemoveEmptyEntries);
            foreach (string zodis in parts)
                if (zodis.Length > ilgzod.Length && Balsiusk(e) >= 3)
                    ilgzod = zodis;
                else return tuscias;
            return ilgzod;


        }

        static void RastiZTekste(string fv, string sk, out string zod, ref int me)
        {

            string[] lines = File.ReadAllLines(fv, Encoding.GetEncoding(1257));
            zod = "";
            me = -1;
            int ilgis = 0;
            int j = 0;
            foreach (string line in lines)
            {
                if (RastiZodiEil(line, sk).Length > 0 && RastiZodiEil(line, sk).Length > zod.Length)
                {
                    zod = RastiZodiEil(line, sk);
                    ilgis = RastiZodiEil(line, sk).Length;
                    j++;
                }
                me = j;
            }
        }
    }
}