/** @vitest-environment jsdom */
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { EffectEngine } from '../../apps/desktop/src/renderer/features/effects/effect-engine';

// stub requestAnimationFrame
beforeEach(() => {
  globalThis.requestAnimationFrame = ((cb: FrameRequestCallback) => { return 0 as any; }) as any;
  globalThis.cancelAnimationFrame = (() => {}) as any;
});

describe('M6 EffectEngine 配置与降级 (FR-A11)', () => {
  it('setType/setColor 改变状态', () => {
    const e = new EffectEngine();
    e.setType('particle'); e.setColor('#ff0000');
    e.disable();
    // disable 后 type 为 off
    expect(e.isActive()).toBe(false);
  });

  it('attach 到 canvas 不抛错', () => {
    const canvas = document.createElement('canvas');
    document.body.appendChild(canvas);
    const e = new EffectEngine();
    expect(() => e.attach(canvas)).not.toThrow();
    e.detach();
  });

  it('detach 后 isActive 为 false', () => {
    const canvas = document.createElement('canvas');
    const e = new EffectEngine();
    e.attach(canvas);
    e.detach();
    expect(e.isActive()).toBe(false);
  });
});