Reddit Daily Programmer #240 Easy - Typoglycemia

typoglycemia.cs

using System;
using System.Collections;
using System.IO;
using System.Text.RegularExpressions;

namespace Typoglycemia
{
    class Program
    {
        static void Main(string[] args)
        {
            //Instantiate some stuff.
            string first, last, middle, final;
            bool checkCharacter;
            bool isFirst = true;
            int randomNumber, counter, index;
            Regex specials = new Regex(@"[a-zA-Z0-9]");
            ArrayList arrList = new ArrayList();
            ArrayList indexList = new ArrayList();
            DateTime current = new DateTime();
            Random randNum = new Random(current.Millisecond);

            //First import the text file.
            StreamReader readFile = new StreamReader("words.txt");
            string line = "";
            final = "";

            while(line != null)
            {
                //Get each line from the text file.
                line = readFile.ReadLine();

                //Get out of this if null.
                if(line == null)
                {
                    continue;
                }

                //Split the line into an array of words.
                string[] words = line.Split(new char[] { ' ' });

                //Operate on each word.
                foreach(string word in words)
                {
                    //Reset some instance variables.
                    first = "";
                    last = "";
                    arrList.Clear();

                    //See how long the word is, since less than 3 letters doesn't even matter.
                    if (word.Length <= 3)
                    {
                        if (isFirst)
                        {
                            final = word;
                            isFirst = false;
                        }
                        else
                        {
                            final = final + " " + word;
                        }
                    }
                    else
                    {
                        //Split the word into a character array.
                        char[] tempArray = word.ToCharArray();

                        //Populate the ArrayList
                        foreach (char letter in tempArray)
                        {
                            arrList.Add(letter.ToString());
                        }

                        //Figure out the set of stuff for the opening string.
                        foreach (string item in arrList)
                        {
                            checkCharacter = specials.IsMatch(item);
                            first += item;
                            if (checkCharacter)
                            {
                                break;
                            }
                        }

                        //Remove those items from the array list.
                        char[] firstRemoveArray = first.ToCharArray();
                        foreach (char item in firstRemoveArray)
                        {
                            arrList.Remove(item.ToString());
                        }

                        //Figure out stuff for the closing string.
                        for (int i = (arrList.Count - 1); i > -1; i--)
                        {
                            checkCharacter = specials.IsMatch(arrList[i].ToString());
                            last = arrList[i].ToString() + last;
                            if (checkCharacter)
                            {
                                break;
                            }
                        }

                        //Remove those items from the array list.
                        char[] lastRemoveArray = last.ToCharArray();
                        foreach (char item in lastRemoveArray)
                        {
                            arrList.RemoveAt(arrList.Count - 1);
                        }

                        //Figure out if we have enough characters left to do anything or not.
                        if (arrList.Count <= 1)
                        {
                            if (isFirst)
                            {
                                final = word;
                                isFirst = false;
                            }
                            else
                            {
                                final = final + " " + word;
                            }
                        }
                        else
                        {

                            //Make a new ArrayList to house the possible index values.
                            indexList.Clear();
                            for (int i = 0; i < arrList.Count; i++)
                            {
                                indexList.Add(i);
                            }

                            //Start to scramble shit.
                            middle = "";
                            counter = 0;
                            while (counter < arrList.Count)
                            {
                                //Generate a random number.
                                randomNumber = randNum.Next(0, indexList.Count);
                                index = Convert.ToInt32(indexList[randomNumber]);
                                middle += arrList[index];
                                indexList.Remove(index);
                                counter++;
                            }

                            //Add to the "final" string that is the result.
                            if (isFirst)
                            {
                                final = first + middle + last;
                                isFirst = false;
                            }
                            else
                            {
                                final = final + " " + first + middle + last;
                            }
                        }
                    }
                }
            }

            //Write the final string.
            Console.WriteLine(final);

            //Close the file.
            readFile.Close();
        }
    }
}