public WordPuzzleEntry Solve(string word)
{
ThrowIfGameIsOver();
AttemptIndex++;
_oneLetterLeftFailures = 0;
var puzzleEntry = _wordPuzzle.Solve(word);
if (puzzleEntry.LetterEntries.All(x => x.State == LetterState.CorrectLocation))
{
State = new WordGameStateInfo(WordGameState.Won);
return(puzzleEntry);
}
UpdateKnownLetters(puzzleEntry);
if (AttemptIndex == 6)
{
State = new WordGameStateInfo(WordGameState.Lost);
}
else if (AttemptIndex == 5) // matrix full. switch teams.
{
SwitchTeam(true);
}
else
{
if (ActiveTeamIndex != _startingTeamIndex)
{
// the attempt made by the other team was not correct.
// Switch back the turn to the original team.
ActiveTeamIndex = _startingTeamIndex;
State = new WordGameStateInfo(WordGameState.SwitchTeam, SwitchTeamFlags.Normal);
}
else
{
State = new WordGameStateInfo(WordGameState.Ongoing);
}
}
return(puzzleEntry);
}
private void SwitchTeam(bool onNewRow)
{
SwitchTeamFlags flag = onNewRow ? SwitchTeamFlags.AddRow : SwitchTeamFlags.ClearRow;
ActiveTeamIndex = ActiveTeamIndex == 0 ? 1 : 0;
if (KnownLetters.Count(x => x == '.') > 1)
{
State = new WordGameStateInfo(WordGameState.SwitchTeam, flag | SwitchTeamFlags.AddBonusLetter);
}
else
{
if (_oneLetterLeftFailures++ > 1)
{
State = new WordGameStateInfo(WordGameState.Lost);
}
else
{
State = new WordGameStateInfo(WordGameState.SwitchTeam, flag);
}
}
}
