using System;
using System.Collections.Generic;
using System.IO;
using System.Diagnostics;


namespace SplitTheFile
{
    class Program
    {


        static void Main(string[] args)
        {
            string FILE_PATH = @"C:\Users\nbaltadzhiev\file.csv";

            List<string> fileLineList = new List<string>();
            var sw = Stopwatch.StartNew();

            if (File.Exists(FILE_PATH))
            {

                using (StreamReader reader = new StreamReader(FILE_PATH))
                {
                    string line;


                    int counter = 0;
                    while ((line = reader.ReadLine()) != null)
                    {
                        if (counter > 0)
                        {
                            fileLineList.Add(line);
                            counter++;
                        }
                    }
                }
                Console.WriteLine(fileLineList.Count);
                int lastPosititonOfTheNewFile = fileLineList.Count / 10;
                int remainder = fileLineList.Count % 10;
                Console.WriteLine(remainder);
                int currentPosition = 0;
                for (int i = 0; i < 10; i++)
                {

                    int j;
                    Console.WriteLine(lastPosititonOfTheNewFile);

                    using (StreamWriter writer = new StreamWriter(@"C:\Users\nbaltadzhiev\files\splitetFile" + i + ".csv"))

                    {

                        for (j = currentPosition; j < lastPosititonOfTheNewFile; j++)
                        {

                            writer.WriteLine(fileLineList[j]);
                        }

                        Console.WriteLine("new file created");
                        currentPosition = j;
                        lastPosititonOfTheNewFile += fileLineList.Count / 10;
                        if (i == 8)
                        {
                            lastPosititonOfTheNewFile += remainder;
                        }
                        Console.WriteLine(lastPosititonOfTheNewFile);

                    }

                }
                sw.Stop();
                Console.WriteLine("Time elapsed: " + sw.Elapsed);
            }
            else
            {
                Console.WriteLine("The file does not exists");
            }
        }
    }

}