bonpoint/mobile/test/score_logic_test.dart

import 'package:bonpoint/data/database/app_database.dart';
import 'package:drift/native.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  late AppDatabase db;

  setUp(() async {
    db = AppDatabase.forTesting(NativeDatabase.memory());
    await db.importDefaultPack();
  });

  tearDown(() async {
    await db.close();
  });

  test('appliquerRegle respecte le plancher à 0', () async {
    final childId = await db.insertChild(
      prenom: 'Test',
      couleur: '#6C63FF',
    );

    final rules = await db.select(db.regles).get();
    final positiveRule = rules.firstWhere((r) => r.points == 1);
    final negativeRule = rules.firstWhere((r) => r.points == -2);

    await db.applyRule(childId, positiveRule.id);
    // Score = 1, puis règle -2 → score 0, delta réel -1
    await db.applyRule(childId, negativeRule.id);
    // Score déjà 0, règle -2 → score 0, delta réel 0
    await db.applyRule(childId, negativeRule.id);

    final child = await (db.select(db.enfants)
          ..where((e) => e.id.equals(childId)))
        .getSingle();

    expect(child.score, 0);

    final movements = await db.select(db.mouvements).get();
    expect(movements.length, 3);
    expect(movements[0].delta, 1);
    expect(movements[1].delta, -1);
    expect(movements[2].delta, 0);
  });

  test('delta enregistré est le delta réel (pas le delta théorique)', () async {
    final childId = await db.insertChild(
      prenom: 'Test',
      couleur: '#6C63FF',
    );

    final rules = await db.select(db.regles).get();
    final rule = rules.firstWhere((r) => r.points == -2);

    await db.applyRule(childId, rule.id);

    final movement = await db.select(db.mouvements).getSingle();
    expect(movement.delta, 0);
  });
}