/// <summary>
/// MorphChain method creates a List of Chains that holds a Lists of string.
/// dynamically creating a new List of strings for every unique morph word and building it
/// on top of the previous List; adding it to our List of Chains to find the end chain word
/// WARNING: Takes forever to compile long chains because it searches through all the lists of chains until it finds the end word.
/// These lists are dynamically added to the List of chains and has an expontential growth rate.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="max"></param>
public void MorphChain(string start, string end, int max)
{
Console.WriteLine("Solution Chain");
string alphabet = "abcdefghijklmnopqrstuvwxyz"; //used for replacing the index of morph word
Words morphSet = new Words();
List <List <string> > totalChains = new List <List <string> >().Distinct().ToList(); //List of string arrays
List <string> setOne = new List <string>(morphSet.MorphWord(start, alphabet)); //starting word {e.g told: {bold, cold, fold, gold...}
List <string> wordsFound = new List <string>();
List <string> foundMorph = new List <string>();
for (int i = 0; i < setOne.Count; i++)
{
//temp list to stores the start word and the current indexed morph word
List <string> temp = new List <string>();
temp.Add(start); //add start word
temp.Add(setOne[i]); //add that specific index word
totalChains.Add(temp); //totalChains gets e.g 0: {told, bold}, 1: {told, cold}, 2: {told, sold}...
wordsFound.Add(setOne[i]);
}
int x = 0;
//while x is less than the number of elements inside totalchains...
while (x < totalChains.Count)
{
List <string> chain = totalChains[x]; //assign chain to that specfic x index
if (chain.Count <= max) // while the number of elements in chain is less than the max length provided
{
if (foundMorph.Contains(end)) //if the end word/word we're looking for is inside chain
{
//foundMorph = chain; //found the morph list; gets that chain; breaks out of loop
break;
}
List <string> nextChain = new List <string>(morphSet.MorphWord(chain.Last(), alphabet)); //nextChain gets the morphed word of the last word in chain
//iterate through the morph word
for (int i = 0; i < nextChain.Count; i++)
{
if (!wordsFound.Contains(nextChain[i]))
{
//temp gets every element inside chain; copies all of its contents
List <string> temp = new List <string>();
foreach (string element in chain)
{
temp.Add(element);
}
temp.Add(nextChain[i]); //temps adds the last index of next chain
if (nextChain[i].Equals(end))
{
foundMorph = temp;
break;
}
totalChains.Add(temp); //total chains adds new list temp
wordsFound.Add(nextChain[i]);
}
}
}
else if (chain.Count >= max)
{
Console.WriteLine("No Solution within given maximum Length.");
break;
}
x++; //x will increment until it hits the max count in total chains
}
//writes out the contents in the foundmorph chain
foreach (string count in foundMorph)
{
Console.WriteLine(count);
}
}
/// <summary>
/// Interface of the Assignment. Prints a menu for each option using a Switch statement.
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
//create constructor for type Word class
Words word = new Words();
bool exit = false;
//While loop; only breaks out of the menu if exit = true;
while (!exit)
{
Console.Write("1. All Words\n2. Rhyming words\n3. Scrabble words\n4. Morph words\n5. Morph chain\n6. Quit Program\nYour choice: ");
//User input for to select a Option from the menu
int input = int.Parse(Console.ReadLine());
switch (input)
{
//Prints out all the content in the textfile using PrintAll method from Word Class.
case 1:
word.PrintAll();
break;
//Prompts user input and searches for words that end in the same input using the RhymeWord method from Word Class.
case 2:
Console.Write("Let's see your freestyle! Pick a rhyme scheme: ");
string rhyme = Console.ReadLine();
word.RhymeWord(rhyme); //Takes a string (user input) for the function.
break;
//Prompts user input and searches for words that contain the same letters in the index using ScrabbleWord method from Word Class
case 3:
Console.WriteLine("You don't know how to rap? Don't worry, I'll search a word that your looking for: ");
string scrabble = Console.ReadLine();
word.ScrabbleWord(scrabble); //Takes a string (user input) for the function.
break;
//Prompts user input and searches for words that differ from one letter in the index using MorphWord method from Word Class
case 4:
Console.WriteLine("I'll try to morph your word into something cool.");
string morph = Console.ReadLine();
string alphabet = "abcdefghijklmnopqrstuvwxyz"; //used for replacing the index of morph word
string[] set = word.MorphWord(morph, alphabet); //Takes a string (user input) for the function.
int index = 0;
Console.WriteLine("Its Morphin' time!");
foreach (string s in set)
{
Console.WriteLine("Morph Word {0}: {1}", index, s);
index++;
}
break;
//Breaks out of the loop
case 5:
Console.Write("Enter Start Word: ");
string start = Console.ReadLine();
Console.Write("Enter end word: ");
string end = Console.ReadLine();
Console.Write("Enter maximum chain length: ");
int max = int.Parse(Console.ReadLine());
word.MorphChain(start, end, max);
break;
case 6:
Console.WriteLine("Awesome job, thanks for playing!");
exit = true;
break;
}
}
Console.ReadKey();
}
