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

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            const string Book1 = "..\\..\\Knyga1.txt";
            const string Book2 = "..\\..\\Knyga2.txt";
            const string Analize = "Analize.txt";
            const string ManoKnyga = "ManoKnyga.txt";

            var words = new string[100];
            string seperators ="[,. !?]+";
            var amount = new int[100];


            var wordCount = Skaitymas(Book1, Book2, seperators, words);
            Kartojimasis(Book2, words, wordCount, amount, seperators);
            AnalizesRasymas1(Analize, words, wordCount, amount);
            IlgiausiasSakinys(Book1, Book2, seperators, Analize);

        }


        private static void AnalizesRasymas1(string Analize, string[] words, int wordCount, int[] amount)
        {
            Console.WriteLine("AnalizesSurasymas1");
            Console.ReadKey();
            using (StreamWriter writer = new StreamWriter(@Analize))
            {
                writer.WriteLine("Zodis - Pasikarotjimo kiekis: ");
                writer.WriteLine("");
                for (int i = 0; i < wordCount; i++)
                {
                    Console.WriteLine("test");
                    writer.WriteLine("{0} - {1}", words[i], amount[i]);
                }
            }
        }





        private static void IlgiausiasSakinys(string Book1, string Book2, string seperators, string Analize)
        {
            int ilgisZodziais = 0;
            int ilgisSimboliais = 0;
            int ilgiausiasSakinysSimboliais = 0;
            int ilgiausiasSakinysZodziais = 0;
            var book1Lines = File.ReadAllLines(Book1);
            var book2Lines = File.ReadAllLines(Book2);
            foreach (string line in book1Lines)
            {
                if (!line.Contains('.') || !line.Contains('?') || !line.Contains('!'))
                {
                    string[] zodziai = Regex.Split(line, seperators);
                    ilgisZodziais += zodziai.Length;
                    ilgisSimboliais += line.Length;
                }
                if (line.Contains('.') || line.Contains('?') || line.Contains('!'))
                {
                    if (line.IndexOf('.') > line.IndexOf('?'))
                    {
                        if (line.IndexOf('.') > line.IndexOf('!'))
                        {
                            ilgisSimboliais += line.IndexOf('.');
                            string substring = line.Substring(0, line.IndexOf('.'));
                            string[] zodziai = Regex.Split(substring, seperators);
                            ilgisZodziais += zodziai.Length;
                        }
                    }
                }
                if (ilgisSimboliais > ilgiausiasSakinysSimboliais)
                {
                    ilgiausiasSakinysSimboliais = ilgisSimboliais;
                }
                if (ilgisZodziais > ilgiausiasSakinysZodziais)
                {
                    ilgiausiasSakinysZodziais = ilgisZodziais;
                }



            }
            Console.WriteLine("analize 2");
            Console.ReadKey();
            AnalizesRasymas2(ilgiausiasSakinysSimboliais, ilgiausiasSakinysZodziais, Analize);
        }


        private static void AnalizesRasymas2(int ilgiausiasSakinysSimboliais, int ilgiausiasSakinysZodziais, string Analize)
        {
            using (StreamWriter writer = File.AppendText(@Analize))
            {
                writer.WriteLine("");
                writer.WriteLine("Ilgiausias sakinys simboliais - {0}; Ilgiausias sakinys zodziais - {1}", ilgiausiasSakinysSimboliais, ilgiausiasSakinysZodziais);
            }
        }
        private static int Skaitymas(string Book1, string Book2, string seperators, string[] words)
        {
            var Count = 0;
            var book1Lines = File.ReadAllLines(Book1);
            var book2Lines = File.ReadAllLines(Book2);
            foreach (var book2Line in book2Lines)
            {
                var book2words = Regex.Split(book2Line, seperators);
                var matchedWords = new string[100];
                var index = 0;
                foreach (var book1Line in book1Lines)
                {
                    foreach (var wordToCheck in book2words)
                    {
                        if (book1Line.Contains(wordToCheck))
                            matchedWords[index++] = wordToCheck;
                    }
                }
                foreach (var book2Word in book2words)
                {
                    if (!matchedWords.Contains(book2Word))
                        words[Count++] = book2Word;
                }
            }
            Console.ReadKey();
            return Count;
        }

        private static void Kartojimasis(string Book2, string[] words, int wordCount,  int[] amount, string seperators)
        {
            var book2Lines = File.ReadAllLines(Book2);
            for (int i = 0; i < words.Length; i++)
            {
                amount[i] = 0;
            }
            foreach (string book2line in book2Lines)
            {
                for (int i = 0; i < wordCount; i++)
                {
                    if (book2Lines.Contains(words[i]))
                    {
                        amount[i] += 1;
                    }
                }
            }
        }
   }
}