import assert from 'node:assert/strict';
import test from 'node:test';
import { activeWindowKey, calculateActiveImpacts } from './active-impact.ts';
import { buildExactSkillWindows } from './exact-optimizer.ts';
import type { ExactSongChart, OptimizerCard } from './types.ts';

test('영향력은 겹친 액티브와 스페셜을 반영하며 제외 후 복원 효과로 갱신된다', () => {
  const cards: OptimizerCard[] = [100, 50].map((scoreUpPercent, index) => ({
    id: String(index), name: String(index),
    active: { cooldownSeconds: 10, durationSeconds: 2, scoreUpPercent },
    special: { durationSeconds: 2, scoreUpPercent: index === 0 ? 100 : 0 }
  }));
  const chart: ExactSongChart = {
    songId: 'synthetic', difficulty: 'expert', durationSeconds: 22, scoreRatio: 1,
    notes: [10, 20].map((timeSeconds) => ({ timeSeconds, type: 'regular', isFlick: false })),
    specialStartSeconds: [10, null]
  };
  const windows = buildExactSkillWindows(cards, {}, chart).activeWindows;
  const key = (cardId: string, startSeconds: number) => activeWindowKey({ cardId, startSeconds });
  const impacts = calculateActiveImpacts(cards, {}, chart, { perfectNoteScore: 1000 }, windows);
  assert.deepEqual(impacts.get(key('0', 10)), { scoreChange: -1000, strength: 1 });
  assert.deepEqual(impacts.get(key('0', 20)), { scoreChange: -500, strength: 0.5 });
  assert.deepEqual(impacts.get(key('1', 10)), { scoreChange: 0, strength: 0 });
  const after = calculateActiveImpacts(cards, {}, chart, {
    perfectNoteScore: 1000, excludedActiveWindows: [{ cardId: '0', startSeconds: 10 }]
  }, windows);
  assert.deepEqual(after.get(key('0', 10)), { scoreChange: 1000, strength: 1 });
  assert.deepEqual(after.get(key('1', 10)), { scoreChange: -1000, strength: 1 });
  const empty = calculateActiveImpacts(cards, {}, { ...chart, notes: [] }, { perfectNoteScore: 1000 }, windows);
  assert.ok([...empty.values()].every((value) => value.scoreChange === 0 && value.strength === 0));
});