import { describe, expect, it } from 'vitest';
import { buildPier } from '../src/core/geometry';
import { validatePier } from '../src/core/validate';
import type { Issue, PierInput } from '../src/core/types';
import { loadP1 } from './helpers';

// 교좌면 EL of the P1 sheet (받침 1–10), 2026-11-03.
const SEAT = [43.411, 43.483, 43.555, 43.626, 43.698, 43.411, 43.483, 43.555, 43.626, 43.698];

function withSeat(input: PierInput, seats: number[]): PierInput {
  return { ...input, bearings: input.bearings.map((b) => ({ ...b, seatEl: seats[b.no - 1] })) };
}

describe('교좌면 EL 입력 (2026-11-03)', () => {
  it('the P1 교좌면 EL values reproduce the 두부보 상면 slope: the model does not change', () => {
    const base = buildPier(loadP1());
    const seated = buildPier(withSeat(loadP1(), SEAT));
    for (const b of base.blocks) {
      const s = seated.blocks.find((x) => x.no === b.no)!;
      expect(s.bottom).toBeCloseTo(b.bottom, 6);
      expect(s.top).toBeCloseTo(b.top, 6);
    }
  });

  it('an input 교좌면 EL sets the block bottom and so h1 = (EL.X − 50 mm) − 교좌면 EL', () => {
    const m = buildPier(withSeat(loadP1(), [43.4, ...SEAT.slice(1)]));
    const b1 = m.blocks.find((x) => x.no === 1)!;
    expect(b1.bottom).toBeCloseTo(43.4, 6);
    expect((b1.top - b1.bottom) * 1000).toBeCloseTo(111, 6);
  });

  it('without 교좌면 EL the seatCalc is the slope value (the check reference)', () => {
    const m = buildPier(loadP1());
    expect(m.blocks.every((b) => Math.abs(b.seatCalc - b.bottom) < 1e-9)).toBe(true);
  });

  it('warns (W10) when the input 교좌면 EL differs from the slope by more than 5 mm, and keeps the input', () => {
    const input = withSeat(loadP1(), [43.5, ...SEAT.slice(1)]);
    const m = buildPier(input);
    const issues: Issue[] = [];
    validatePier(input, m, issues);
    const w = issues.filter((i) => i.code === 'W10');
    expect(w.length).toBe(1);
    expect(w[0].message).toContain('1번');
    expect(m.blocks.find((x) => x.no === 1)!.bottom).toBeCloseTo(43.5, 6);
  });

  it('no W10 for the P1 values', () => {
    const input = withSeat(loadP1(), SEAT);
    const m = buildPier(input);
    const issues: Issue[] = [];
    validatePier(input, m, issues);
    expect(issues.filter((i) => i.code === 'W10')).toEqual([]);
  });
});