import { describe, expect, it } from 'vitest';
import { buildPier } from '../src/core/geometry';
import { DEFAULT_MATERIAL } from '../src/core/rebar/common';
import { buildQuantity } from '../src/core/rebar/quantity';
import { rebarSummary, type RebarRow } from '../src/core/rebar/summary';
import { loadP1 } from './helpers';

const rows = rebarSummary(buildPier(loadP1())).rows;
const row = (name: string): RebarRow => rows.find((r) => r.name === name)!;
const total = (r: RebarRow) => r.pieces!.reduce((s, p) => s + p.count * p.length, 0);
const bars = (r: RebarRow) => r.pieces!.reduce((s, p) => s + p.count, 0);
const hasLength = (r: RebarRow, mm: number, tol = 3) => r.pieces!.some((p) => Math.abs(p.length - mm) < tol);

describe('조각 길이 (승인 2026-10-23): 여러 길이를 가진 행', () => {
  it('C9 and C11 pieces: U (3522 first, 6098 last) and 삿갓, 3 loops each; 108 bars per row', () => {
    for (const name of ['C9', 'C11']) {
      expect(row(name).pieces, name).toBeDefined();
      expect(bars(row(name)), name).toBe(108);
      expect(hasLength(row(name), 3522), name).toBe(true);
      expect(hasLength(row(name), 6098), name).toBe(true);
    }
  });

  it('C10 pieces: outer U 6249 and Level U 6340; 54 bars', () => {
    expect(bars(row('C10'))).toBe(54);
    expect(hasLength(row('C10'), 6249)).toBe(true);
    expect(hasLength(row('C10'), 6340)).toBe(true);
  });

  it('C12 and C13 pieces: the bars per row equal the row count (4 per position)', () => {
    expect(bars(row('C12'))).toBe(row('C12').count);
    expect(bars(row('C13'))).toBe(row('C13').count);
    expect(total(row('C12'))).toBeGreaterThan(0);
  });

  it('P1 and P2 pieces: each level has 46 bars, giving 230 physical pieces in all', () => {
    expect(row('P1').pieces!.every((p) => p.count === 46)).toBe(true);
    expect(row('P2').pieces!.every((p) => p.count === 46)).toBe(true);
    expect(bars(row('P1'))).toBe(row('P1').count);
    expect(bars(row('P2'))).toBe(row('P2').count);
    expect(row('P1').pieces!.length).toBeGreaterThan(1);
  });

  it('the 재료표 no longer leaves out any P1 bar: no missing bars', () => {
    const q = buildQuantity(rows, DEFAULT_MATERIAL);
    expect(q.missing).toEqual([]);
    expect(q.groups.flatMap((g) => g.diameters.flatMap((d) => d.lines.map((l) => l.name)))).toEqual(expect.arrayContaining(['C9', 'C10', 'C11', 'C12', 'P1', 'P2']));
  });
});