2026-06-09 11:38:40 +02:00

84 lines
2.8 KiB
Dart

import 'dart:math';
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../../core/config/app_constants.dart';
import '../../domain/game/game_engine.dart';
import '../../domain/game/game_state.dart';
import '../../core/logger.dart';
import 'pokedex_provider.dart';
import 'repository_provider.dart';
/// Orchestration de la partie : relie GameEngine (règles), le repository (données)
/// et SharedPreferences (best score).
class GameNotifier extends Notifier<GameState> {
static const _engine = GameEngine();
final _random = Random();
@override
GameState build() => const GameState();
Future<void> startNewGame() async {
state = _engine.newGame(state);
await _loadBestScore();
await loadNextPokemon();
}
Future<void> _loadBestScore() async {
final prefs = await SharedPreferences.getInstance();
state = state.copyWith(bestScore: prefs.getInt(AppConstants.prefsBestScore) ?? 0);
}
Future<void> loadNextPokemon() async {
state = state.copyWith(status: GameStatus.loading);
final repo = ref.read(pokemonRepositoryProvider);
final isShiny = _random.nextInt(AppConstants.shinyOdds) == 0;
final id = _random.nextInt(AppConstants.totalPokemon) + 1;
try {
final pokemon = await repo.getById(id);
if (pokemon == null) {
state = state.copyWith(status: GameStatus.error);
return;
}
state = _engine.startRound(state, pokemon, isShiny: isShiny);
} catch (e, st) {
AppLogger.error('loadNextPokemon a échoué', e, st);
state = state.copyWith(status: GameStatus.error);
}
}
Future<GuessResult> submitGuess(String guess) async {
final outcome = _engine.submitGuess(state, guess);
state = outcome.state;
if (outcome.result == GuessResult.correct) {
final repo = ref.read(pokemonRepositoryProvider);
final caught = state.currentPokemon;
if (caught != null) await repo.update(caught);
await _persistBestScore();
if (!kIsWeb) ref.invalidate(pokedexProvider); // rafraîchit la liste (pas de persistance sur web)
}
return outcome.result;
}
Future<void> _persistBestScore() async {
final prefs = await SharedPreferences.getInstance();
final stored = prefs.getInt(AppConstants.prefsBestScore) ?? 0;
if (state.bestScore > stored) {
await prefs.setInt(AppConstants.prefsBestScore, state.bestScore);
}
}
void useHint() => state = _engine.useHint(state);
Future<void> useSkip() async {
final updated = _engine.useSkip(state);
if (updated.skips == state.skips) return; // pas de skip dispo
state = updated;
await loadNextPokemon();
}
}
final gameProvider = NotifierProvider<GameNotifier, GameState>(GameNotifier.new);