/// <summary>
/// Verify the player's guess
/// </summary>
/// <param name="playerId"></param>
/// <param name="gameId"></param>
/// <param name="sequence">the player's guess</param>
/// <returns>Game info</returns>
public async Task <Game> Guess(Guid playerId, Guid gameId, string sequence)
{
using (IDbContextScope contextScope = _dbContextFactory.Create())
{
var game = await _gameService.GetAsync(gameId);
//check if game exists
if (game == null)
{
throw new ApplicationException("Invalid game");
}
//check if player belongs to the game
if (!game.Players.Any(p => p.Id == playerId))
{
throw new ApplicationException("Player dont belong to this game");
}
var playerGuesses = game.Players.First(p => p.Id == playerId).Guesses;
if (game.Guesses.Count() > 0)
{
//check if there are players that didnt play
if (game.Players.Select(p => p.Guesses.Count).Min() < playerGuesses.Count())
{
throw new ApplicationException("Wait for other players guess");
}
//check if the game is finished
if (game.Players.Select(p => p.Guesses.Count).Min() == game.Players.Select(p => p.Guesses.Count).Max() && game.Status == 2)
{
throw new ApplicationException("Game is finished");
}
}
var guess = new Guess()
{
GameId = gameId,
PlayerId = playerId,
Sequence = sequence
};
//check the guess hits
guess.CheckHits(game.Sequence);
//if the player founds the sequence, change game status
if (guess.ExactCount == game.SequenceLength)
{
game.Status = 2;
game.Players.First(p => p.Id == playerId).Winner = true;
}
//add guess to game
game.Guesses.Add(guess);
game.PlayerId = playerId;
_gameService.Update(game);
contextScope.SaveChanges();
return(game);
}
}
