import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import * as XLSX from 'xlsx';
import { describe, expect, it } from 'vitest';
import { buildAbut } from '../src/core/abut/geometry';
import { parseAbutments, toAbutInput } from '../src/core/abut/parse';
import { buildMembers } from '../src/core/abut/members';
import {
  ABUT_BEARING_RULE_DEFAULT,
  abutBearingChecks,
  abutElevationRows,
  abutSolplatePlan,
  abutSolplateRows,
  resolveBearingRule,
} from '../src/core/abut/bearing-table';
import { applyBearingRule } from '../src/core/abut/edit';
import { checkStoredAbutments } from '../src/core/project';

const RAG = fileURLToPath(new URL('../../../RAG/운곡교P1입력.xlsx', import.meta.url));
const rec = parseAbutments(XLSX.read(readFileSync(RAG), { type: 'buffer' })).abutments[0];
const input = toAbutInput(rec);
const model = buildAbut(input);
const members = buildMembers(model, { bottomEl: input.foundationBottomEl, pileLengthMm: input.pileLengthMm });
const rule = resolveBearingRule();
const H = rec.bearingHeightMm;

describe('교대 받침 카드 (교각 솔플레이트 규칙, 받침높이 H = 교대 시트 값)', () => {
  it('the rule defaults are the pier rule: 1000 × 1100 · −0.5 %, H 275 from the 교대 sheet', () => {
    expect(ABUT_BEARING_RULE_DEFAULT).toMatchObject({ lengthMm: 1000, widthMm: 1100, slopePct: -0.5 });
    expect(H).toBe(275);
    // T = ⌈22 + 1000·0.5/200⌉ = 25, h3 = 275 − 25 = 250, T1/T2 = 25 ± 2.5
    expect(abutSolplatePlan(rule, H)).toMatchObject({ T: 25, h3: 250, T1: 27.5, T2: 22.5 });
  });

  it('ELEVATION: block 125 = 75 + 50, E = 75 + 50 + 250 + 25 = 400', () => {
    const rows = abutElevationRows(model, rule, H);
    expect(rows).toHaveLength(5);
    for (const r of rows) {
      expect([r.h1, r.h2, r.h3, r.h4, r.E]).toEqual([75, 50, 250, 25, 400]);
      expect(r.solplateTopEl).toBeCloseTo(r.seatEl + 0.4, 6);
    }
    const first = rows.find((r) => r.no === 1)!;
    expect(first.seg).toBe('①');
    expect(first.seatEl).toBeCloseTo(44.367, 3);
    expect(first.z).toBeCloseTo(44.492, 3);
  });

  it('솔플레이트 TABLE: L 1000, W 1100, S −0.5 %, T 25, T1 27.5 / T2 22.5, check 5.0 = 5.0', () => {
    const [r] = abutSolplateRows(model, rule, H);
    expect([r.L, r.W, r.S, r.T, r.T1, r.T2]).toEqual([1000, 1100, -0.5, 25, 27.5, 22.5]);
    expect(r.check).toBe('5.0 = 5.0');
  });

  it('the rule inputs change the plan: S −1.91 gives T 32 and h3 243', () => {
    const steep = resolveBearingRule({ slopePct: -1.91 });
    // T = ⌈22 + 1000·1.91/200⌉ = ⌈31.55⌉ = 32
    expect(abutSolplatePlan(steep, H)).toMatchObject({ T: 32, h3: 243 });
    expect(abutElevationRows(model, steep, H)[0].E).toBe(75 + 50 + 275);
  });

  it('checks: W02, W04 (흉벽 ≈ 145 · 전면 255), W03 and I01 all clear for A1', () => {
    const lines = abutBearingChecks(model, members, rule, H);
    expect(lines).toHaveLength(4);
    expect(lines[0]).toContain('W02 없음');
    // 시안 145 is bearing ① (lateral 0.745); the smallest gap over the five bearings is 144 (lateral 0.744).
    expect(lines[1]).toMatch(/흉벽 14[45]/);
    expect(lines[1]).toContain('전면 255');
    expect(lines[1]).toContain('W04 없음');
    expect(lines[2]).toContain('W03 없음');
    expect(lines[3]).toContain('I01 없음');
  });

  it('the rule edit keeps only changed values, refuses L 0 and a rule thicker than H, and the project file accepts it', () => {
    const edited = applyBearingRule(applyBearingRule(rec, 'lengthMm', 900), 'widthMm', 1000);
    expect(edited.bearingRule).toEqual({ lengthMm: 900, widthMm: 1000 });
    expect(() => applyBearingRule(rec, 'lengthMm', 0)).toThrow('0보다');
    expect(() => applyBearingRule(rec, 'slopePct', 60)).toThrow('받침높이');
    expect(() => checkStoredAbutments([edited])).not.toThrow();
    expect(() => checkStoredAbutments([{ ...edited, bearingRule: { lengthMm: 'x' } }])).toThrow('받침 규칙');
  });
});