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

namespace ReadingLevelFile
{
    public class LevelCLass
    {
        //Fields
        string[] levelText = new string[20];

        private List<string> stringList = new List<string>();

        private List<string> zeroToOneAndOneToZero = new List<string>();

        private List<string> result = new List<string>();

        private List<int> toets2outputsom = new List<int>();

        private List<int> frequentie = new List<int>();

        //Properties


        //Constructor
        public LevelCLass()
        {
            //this.ReadLevelClassFromText();
            //this.CountNumberOneAndZero();
            //this.ChangeOneToZeroAndZeroToOne();
            this.AddAllnumbers();
        }

        //Methods
        private void ReadLevelClassFromText()
        {
            FileStream fileStream = File.OpenRead(@"C:\Users\Jan\Documents\Visual Studio 2010\Projects\2014-2015\writing_and_reading_from_files\ReadingLevelFile\toets-2.txt");

            TextReader reader = new StreamReader(fileStream);

            string line = reader.ReadLine();
            /*int i = 0;
            while (line != null)
            {
                this.levelText[i] = line;
                line = reader.ReadLine();
                i++;
            }

            foreach (string lineInFile in this.levelText)
            {
                Console.WriteLine(lineInFile);
            }
            */


            while (line != null)
            {
                this.stringList.Add(line);
                line = reader.ReadLine();
            }

            /*
            foreach (string lineInFile in this.stringList)
            {
                Console.WriteLine(lineInFile);
            }

            Console.WriteLine("Er zijn {0} regels text in de list: stringList", this.stringList.Count);
            */

            fileStream.Close();
            reader.Close();
        }

        private void CountNumberOneAndZero()
        {
            int numberOnes = 0;
            int numberZeros = 0;

            foreach (string lineInList in this.stringList)
            {
                for (int i = 0; i < lineInList.Length; i++)
                {
                    if (lineInList[i] == '1')
                    {
                        numberOnes++;
                    }
                    else if (lineInList[i] == '0')
                    {
                        numberZeros++;
                    }
                    else {}

               }
           }

            Console.WriteLine("Het aantal enen bedraagt: {0} en het aantal nullen bedraagt {1}", numberOnes, numberZeros);
        }

        private void ChangeOneToZeroAndZeroToOne()
        {
            FileStream fileStream = File.OpenRead(@"C:\Users\Jan\Documents\Visual Studio 2010\Projects\2014-2015\writing_and_reading_from_files\ReadingLevelFile\level-0.txt");

            TextReader textReader = new StreamReader(fileStream);

            string line = textReader.ReadLine();

            while (line != null)
            {
                this.zeroToOneAndOneToZero.Add(line);
                line = textReader.ReadLine();
            }

            foreach(string stringLine in this.zeroToOneAndOneToZero)
            {
                string stringTemp = "";
                foreach (char number in stringLine)
                {
                    if (number == '0')
                    {
                        stringTemp += '1';
                    }

                    else if (number == '1')
                    {
                        stringTemp += '0';
                    }
                }

                this.result.Add(stringTemp);
            }

            foreach (string stringLine in this.result)
            {
                Console.WriteLine(stringLine);
            }

            fileStream.Close();
            textReader.Close();

            fileStream = File.OpenWrite(@"C:\Users\Jan\Documents\Visual Studio 2010\Projects\2014-2015\writing_and_reading_from_files\ReadingLevelFile\result.txt");
            TextWriter textWriter = new StreamWriter(fileStream);

            foreach (string stringLine in this.result)
            {
              textWriter.WriteLine(stringLine);
            }

            Console.WriteLine("De inhoud van de List<string> result is geschreven naar result.txt");
            textWriter.Flush();
            textWriter.Close();


            /*
            string testString = "\nJan Scholleart"; // Een string is een array die char's bevat

            foreach(char letter in testString)
            {
                Console.WriteLine(letter);
            }
            */

        }

        private void AddAllnumbers()
        {
            FileStream fileStream = File.OpenRead(@"C:\Users\Jan\Documents\Visual Studio 2010\Projects\2014-2015\writing_and_reading_from_files\ReadingLevelFile\toets-2.txt");

            TextReader textReader = new StreamReader(fileStream);

            string line = textReader.ReadLine();

            while (line != null)
            {
                this.stringList.Add(line);
                line = textReader.ReadLine();
            }

            int numberZeros = 0;
            int numberOnes = 0;
            int numberTwo = 0;
            int numberThree = 0;
            int numberFour = 0;
            int numberFive = 0;
            int numberSix = 0;
            int numberSeven = 0;
            int numberEight = 0;
            int numberNine = 0;

            foreach (string frequentie in this.stringList)
            {
                for (int i = 0; i < frequentie.Length; i++)
                {
                    if (frequentie[i] == '0')
                    {
                        numberZeros++;
                    }
                    else if (frequentie[i] == '1')
                    {
                        numberOnes++;
                    }
                    else if (frequentie[i] == '2')
                    {
                        numberTwo++;
                    }
                    else if (frequentie[i] == '3')
                    {
                        numberThree++;
                    }
                    else if (frequentie[i] == '4')
                    {
                        numberFour++;
                    }
                    else if (frequentie[i] == '5')
                    {
                        numberFive++;
                    }
                    else if (frequentie[i] == '6')
                    {
                        numberSix++;
                    }
                    else if (frequentie[i] == '7')
                    {
                        numberSeven++;
                    }
                    else if (frequentie[i] == '8')
                    {
                        numberEight++;
                    }
                    else if (frequentie[i] == '9')
                    {
                        numberNine++;
                    }
                    else { }
                }
            }
            Console.WriteLine("Het getal 0 komt: {0} keer voor.\nHet getal 1 komt: {1} keer voor.\nHet getal 2 komt: {2} keer voor.\nHet getal 3 komt: {3} keer voor.\nHet getal 4 komt: {4} keer voor.\nHet getal 5 komt: {5} keer voor.\nHet getal 6 komt: {6} keer voor.\nHet getal 7 komt: {7} keer voor.\nHet getal 8 komt: {8} keer voor.\nHet getal 9 komt: {9} keer voor.\n",
                                numberZeros, numberOnes, numberTwo, numberThree, numberFour, numberFive, numberSix, numberSeven, numberEight, numberNine);
            Console.WriteLine("De som is van de getallen 0t/m9 die voorkomen in het textbestand is: {0}\n", numberZeros*0 + numberOnes*1 + numberTwo*2 + numberThree*3 + numberFour*4 + numberFive*5 + numberSix*6 + numberSeven*7 + numberEight*8 + numberNine*9);

            fileStream.Close();
            textReader.Close();

            fileStream = File.OpenWrite(@"C:\Users\Jan\Documents\Visual Studio 2010\Projects\2014-2015\writing_and_reading_from_files\ReadingLevelFile\toets2outputsom.txt");
            TextWriter textWriter = new StreamWriter(fileStream);

            foreach (int frequentie in this.toets2outputsom)
            {
                textWriter.WriteLine(frequentie);
            }
            textWriter.WriteLine("Het getal 0 komt: {0} keer voor.\nHet getal 1 komt: {1} keer voor.\nHet getal 2 komt: {2} keer voor.\nHet getal 3 komt: {3} keer voor.\nHet getal 4 komt: {4} keer voor.\nHet getal 5 komt: {5} keer voor.\nHet getal 6 komt: {6} keer voor.\nHet getal 7 komt: {7} keer voor.\nHet getal 8 komt: {8} keer voor.\nHet getal 9 komt: {9} keer voor.\n", numberZeros, numberOnes, numberTwo, numberThree, numberFour, numberFive, numberSix, numberSeven, numberEight, numberNine);
            textWriter.WriteLine("De som van de getallen 0t/m9 die voorkomen in het textbestand is: {0} ", numberZeros*0 + numberOnes*1 + numberTwo*2 + numberThree*3 + numberFour*4 + numberFive*5 + numberSix*6 + numberSeven*7 + numberEight*8 + numberNine*9);
            textWriter.Flush();
            textWriter.Close();


        }
    }
}