import { describe, expect, it } from 'vitest';
import { DEFAULT_MATERIAL, fckChanged, IMPORTED_FCK, materialFor } from '../src/core/rebar/common';

describe('IMPORTED_FCK (교각도 · 교대도 기준 부재별 기본 fck)', () => {
  it('is 40 for 기둥·코핑, 27 for 확대기초 and 27 for 교대 저판', () => {
    expect(IMPORTED_FCK).toEqual({ column: 40, coping: 40, footing: 27, abutFooting: 27 });
  });
});

describe('fckChanged (기본과 다르면 주황색)', () => {
  it('is false at the imported default', () => {
    expect(fckChanged({ column: 40, coping: 40, footing: 27, abutFooting: 27 }, 'coping')).toBe(false);
  });

  it('is true when the member differs from its imported default', () => {
    expect(fckChanged({ coping: 42 }, 'coping')).toBe(true);
    expect(fckChanged({ footing: 30 }, 'footing')).toBe(true);
  });

  it('is false when the member has no value yet', () => {
    expect(fckChanged({}, 'column')).toBe(false);
  });
});

describe('교대 저판 fck (교각 기초와 별도, 2026-11-04)', () => {
  it('follows abutFooting, not the pier footing', () => {
    const byMember = { footing: 30, abutFooting: 35 };
    expect(materialFor(DEFAULT_MATERIAL, byMember, 'abutFooting').fck).toBe(35);
    expect(materialFor(DEFAULT_MATERIAL, byMember, 'footing').fck).toBe(30);
  });

  it('falls back to the 공통 fck when unset (old project files)', () => {
    expect(materialFor({ ...DEFAULT_MATERIAL, fck: 24 }, { footing: 30 }, 'abutFooting').fck).toBe(24);
  });
});