private async Task ValidateLetter()
{
Attempts++;
var wordArray = Word.ToCharArray();
if (wordArray.Contains(Letter))
{
foreach (Match m in Regex.Matches(Word, Letter.ToString()))
{
Letters[m.Index] = Letter;
}
if (!Letters.Any(c => c == '_'))
{
await Win();
}
}
else
{
IncorrectLetters.Add(Letter);
SetImage();
if (IncorrectLetters.Count == 6)
{
await Loose();
}
}
}
public void TryLetter(String letter)
{
if (String.IsNullOrEmpty(letter))
{
throw new HangmanException("TryLetter(string) expected a Letter of the English Alphabet. Got empty or null string");
}
if (letter.Length > 1)
{
throw new HangmanException("TryLetter(string) expected a Letter of the English Alphabet. Got " + letter);
}
if (letter.Any(x => !char.IsLetter(x)))
{
throw new HangmanException("TryLetter(string) expected a Letter of the English Alphabet. Got " + letter);
}
if (!IsGameStarted)
{
throw new HangmanGameNotStartedException();
}
_lastState = HangmanState.LetterTried;
var c = letter.ToUpper();
if (GivenWord.Contains(c))
{
if (!CorrectLetters.Contains(c))
{
CorrectLetters.Add(c);
FetchGameState();
OnAttempt?.Invoke(_lastGameState);
}
}
else
{
if (!IncorrectLetters.Contains(c))
{
IncorrectLetters.Add(c);
FetchGameState();
OnAttempt?.Invoke(_lastGameState);
}
}
CheckGameState();
}