public GameStateAdvantage(TennisGame game, Party advantageParty)
: base(game)
{
_advantageParty = advantageParty;
}
public abstract IGameState PointAdded(Party party);
public int GetSetScore(Party party)
{
return _currentSet.GetSetScore(party);
}
public void AddPoint(Party party)
{
if (SetOver)
throw new InvalidOperationException("Cannot add points to won sets.");
_currentGame.AddPoint(party);
if (_currentGame.GameOver)
{
IncreaseScore(party);
_setState = _setState.GameAdded(party);
if (!_setState.SetOver)
_currentGame = _setState.GetNextGame(_tournamentRules);
}
}
public ISetState GameAdded(Party party)
{
throw new InvalidOperationException("Games cannot be added to a won set.");
}
public void AddPoint(Party party)
{
if (GameOver)
throw new InvalidOperationException("Cannot add points to won games.");
IncreaseScore(party);
_gameState = _gameState.PointAdded(party);
}
public abstract IMatchState SetAdded(Party party);
public override ISetState GameAdded(Party party)
{
int score = Set.GetScore(party);
int opposingScore = Set.GetOpposingScore(party);
if (score > 6)
return new SetStateWon(Set, party);
if (ScoreHelper.IsAboveWithMargin(score, opposingScore, 6, 2))
return new SetStateWon(Set, party);
return this;
}
public GameStateWon(TennisGame game, Party winningParty)
: base(game)
{
_winningParty = winningParty;
}
public override IGameState PointAdded(Party party)
{
throw new InvalidOperationException("Cannot add points to a won game.");
}
public override IGameState PointAdded(Party party)
{
int newScore = Game.GetScore(party);
int oppScore = Game.GetOpposingScore(party);
if (ScoreHelper.IsAboveWithMargin(newScore, oppScore, 7, 2))
return new GameStateWon(Game, party);
return this;
}
public override IGameState PointAdded(Party party)
{
if (Game.GetScore(party) == 4)
return new GameStateWon(Game, party);
return this;
}
public override IGameState PointAdded(Party party)
{
return new GameStateAdvantage(Game, party);
}
public int IncreaseScore(Party party)
{
if (party == PartyA)
{
ScoreA += 1;
return ScoreA;
}
ScoreB += 1;
return ScoreB;
}
public override IMatchState SetAdded(Party party)
{
if (Match.GetScore(party) >= 3)
return new MatchStateWon(Match, party);
return this;
}
public abstract ISetState GameAdded(Party party);
public MatchStateWon(TennisMatch match, Party winningParty)
: base(match)
{
_winningParty = winningParty;
}
public SetStateWon(TennisSet set, Party winningParty)
{
_set = set;
_winningParty = winningParty;
}
public override IMatchState SetAdded(Party party)
{
throw new InvalidOperationException("Sets cannot be added to a won match.");
}
public TennisGame(Party partyA, Party partyB, Func<TennisGame, IGameState> gameStateFactory)
: base(partyA, partyB)
{
_gameState = gameStateFactory(this);
}
public ScoringContext(Party partyA, Party partyB)
{
PartyA = partyA;
PartyB = partyB;
}
public void AddPoint(Party party)
{
if (_matchState.MatchOver)
throw new InvalidOperationException("Cannot add points to won matches.");
_currentSet.AddPoint(party);
if (_currentSet.SetOver)
{
IncreaseScore(party);
_matchState = _matchState.SetAdded(party);
if (!_matchState.MatchOver)
_currentSet = _matchState.GetNextSet(_tournamentRules);
}
}
public ScoringContext(Party partyA, Party partyB, int scoreA, int scoreB)
{
PartyA = partyA;
PartyB = partyB;
ScoreA = scoreA;
ScoreB = scoreB;
}
public TennisSet(ITournamentRules tournamentRules, Party partyA, Party partyB, Func<TennisSet, ISetState> setStateFactory)
: base(partyA, partyB)
{
_setState = setStateFactory(this);
_tournamentRules = tournamentRules;
_currentGame = _setState.GetNextGame(tournamentRules);
}
public int GetOpposingScore(Party party)
{
if (party == PartyB)
{
return ScoreA;
}
return ScoreB;
}
public int GetSetScore(Party party)
{
return GetScore(party);
}
public int GetScore(Party party)
{
if (party == PartyA)
{
return ScoreA;
}
return ScoreB;
}
public override IGameState PointAdded(Party party)
{
if (party == _advantageParty)
return new GameStateWon(Game, _advantageParty);
return new GameStateDeuce(Game);
}
public override IGameState PointAdded(Party party)
{
if (Game.GetScore(party) == 3 && Game.GetOpposingScore(party) == 3)
return new GameStateDeuce(Game);
if (Game.GetScore(party) == 4)
return new GameStateWon(Game, party);
return this;
}