import { describe, expect, it } from 'vitest';
import { abutShown, piersShown } from '../src/core/abut/visibility';

describe('형상계획 ②: 선택한 객체만 3D에 그림', () => {
  it('a selected abutment hides the piers in ②', () => {
    expect(piersShown('plan', 'A1')).toBe(false);
    expect(abutShown('plan', 'A1', 'A1')).toBe(true);
    expect(abutShown('plan', 'A1', 'A2')).toBe(false);
  });

  it('a selected pier (no abutment selected) hides every abutment in ②', () => {
    expect(piersShown('plan', null)).toBe(true);
    expect(abutShown('plan', null, 'A1')).toBe(false);
    expect(abutShown('plan', null, 'A2')).toBe(false);
  });

  it('① keeps the piers and every abutment as before', () => {
    expect(piersShown('shape', 'A1')).toBe(true);
    expect(piersShown('shape', null)).toBe(true);
    expect(abutShown('shape', 'A1', 'A2')).toBe(true);
    expect(abutShown('shape', null, 'A1')).toBe(true);
  });

  it('③ and ④ are not affected by the abutment selection', () => {
    expect(piersShown('rebar', 'A1')).toBe(true);
    expect(abutShown('rebar', null, 'A1')).toBe(true);
  });
});