public void Run(string[] args)
{
if (args.Length != 4)
{
Console.WriteLine($"Only {args.Length} arguments supplied on the command line.");
Console.WriteLine("Please use: WordLadder DictionaryFile StartWord EndWord ResultFile");
}
try
{
string dictionaryFileName = args[0];
string startWord = args[1];
string endWord = args[2];
string ladderFileName = args[3];
var dictionary = _fileIO.ParseFile(dictionaryFileName);
var graph = _grapgBuilder.BuildGraph(dictionary);
var distances = _ladderBuilder.FindDistances(startWord, endWord, graph);
var path = _ladderBuilder.BuildPath(startWord, endWord, distances);
bool saved = _fileIO.SaveLadder(path, ladderFileName);
if (saved)
{
Console.WriteLine($"Saved the word ladder to {ladderFileName}.");
}
else
{
Console.WriteLine("Failed to create the ladder.");
}
}
catch (Exception e)
{
Console.WriteLine("Error calculating the ladder.");
Console.WriteLine($"{e.Message} at {e.StackTrace}");
}
}