quel-est-ce-pokemon/lib/domain/game/game_engine.dart
Maxiwere45 e3a9831ce1 feat(domain): add pure GameEngine with TDD (removes pikachu cheat)
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-09 11:22:03 +02:00

98 lines
3.1 KiB
Dart

import '../../core/config/app_constants.dart';
import '../entities/pokemon.dart';
import 'game_state.dart';
/// Règles du jeu, pures (aucune IO, aucun widget). Entièrement testable.
class GameEngine {
const GameEngine();
/// Nouvelle partie : réinitialise tout sauf le bestScore.
GameState newGame(GameState s) {
return s.copyWith(
lives: AppConstants.startingLives,
skips: AppConstants.startingSkips,
hints: AppConstants.startingHints,
sessionCorrectCount: 0,
currentScore: 0,
status: GameStatus.loading,
isHintUsed: false,
);
}
/// Démarre une manche avec un nouveau Pokémon.
GameState startRound(GameState s, Pokemon p, {required bool isShiny}) {
return s.copyWith(
currentPokemon: p,
isShiny: isShiny,
isHintUsed: false,
status: GameStatus.playing,
);
}
/// Soumet une réponse. Renvoie le nouvel état + la nature du résultat.
GuessOutcome submitGuess(GameState s, String guess) {
final pokemon = s.currentPokemon;
if (pokemon == null || s.status != GameStatus.playing) {
return GuessOutcome(s, GuessResult.invalid);
}
final normalizedGuess = _normalize(guess.trim().toLowerCase());
final normalizedActual = _normalize(pokemon.name.toLowerCase());
if (normalizedGuess == normalizedActual) {
final newSession = s.sessionCorrectCount + 1;
final gained = s.isShiny ? AppConstants.pointsShiny : AppConstants.pointsNormal;
final newScore = s.currentScore + gained;
final hintBonus =
newSession % AppConstants.hintBonusEvery == 0 ? 1 : 0;
final skipBonus =
newSession % AppConstants.skipBonusEvery == 0 ? 1 : 0;
final newState = s.copyWith(
currentPokemon: pokemon.copyWith(isCaught: true, isSeen: true),
currentScore: newScore,
bestScore: newScore > s.bestScore ? newScore : s.bestScore,
sessionCorrectCount: newSession,
hints: s.hints + hintBonus,
skips: s.skips + skipBonus,
status: GameStatus.roundWon,
);
return GuessOutcome(newState, GuessResult.correct);
}
final remainingLives = s.lives - 1;
if (remainingLives <= 0) {
return GuessOutcome(
s.copyWith(lives: 0, status: GameStatus.gameOver),
GuessResult.gameOver,
);
}
return GuessOutcome(
s.copyWith(lives: remainingLives),
GuessResult.wrong,
);
}
/// Consomme un indice si disponible et non déjà utilisé.
GameState useHint(GameState s) {
if (s.isHintUsed || s.hints <= 0) return s;
return s.copyWith(isHintUsed: true, hints: s.hints - 1);
}
/// Consomme un skip si disponible.
GameState useSkip(GameState s) {
if (s.skips <= 0) return s;
return s.copyWith(skips: s.skips - 1);
}
static String _normalize(String input) {
const withDia = 'ÀÁÂÃÄÅàáâãäåÒÓÔÕÖØòóôõöøÈÉÊËèéêëÇçÌÍÎÏìíîïÙÚÛÜùúûüÿÑñ';
const withoutDia = 'AAAAAAaaaaaaOOOOOOooooooEEEEeeeeCcIIIIiiiiUUUUuuuuyNn';
var output = input;
for (var i = 0; i < withDia.length; i++) {
output = output.replaceAll(withDia[i], withoutDia[i]);
}
return output;
}
}