/// <summary>
/// Searches for a valid scrabble word.
/// </summary>
/// <param name="word">The word</param>
/// <returns>The scrabble word if valid, null if no match found.</returns>
public IScrabbleWord Search(string word)
{
var sWord = default(IScrabbleWord);
if (!string.IsNullOrWhiteSpace(word))
{
if (_roots.ContainsKey(word[0]))
{
var path = SearchForScrabblePath(_roots[word[0]], word);
if (path.Count == word.Length && path[path.Count - 1].IsEnd)
{ // check we matched the whole provided word AND that we completed a word.
var scrabbleWord = new ScrabbleWord();
foreach (var node in path)
{
scrabbleWord.Add(ScrabbleTileFactory.Get(node.Value));
}
sWord = scrabbleWord;
}
}
}
return(sWord);
}
