/**
 * 교대 상세 (2026-11-03, 교각 상세와 같은 개념): the values the 삽도 shows, computed from the model. Read only.
 * Each row is [label, value]. Lengths in mm, levels in m, as in the 삽도.
 */
import type { AbutRecord } from './parse';
import { buildAbut, type AbutModel } from './geometry';
import { toAbutInput } from './parse';
import { buildMembers, type AbutMembers } from './members';
import { buildWings } from './wings';

const m3 = (v: number) => `${v.toFixed(3)} m`;
const mm = (v: number) => `${Math.round(v)} mm`;

export function abutSummaryRows(rec: AbutRecord): [string, string][] {
  const model: AbutModel = buildAbut(toAbutInput(rec));
  const members = buildMembers(model, { bottomEl: rec.foundationBottomEl, pileLengthMm: rec.pileLengthMm }, rec.shape);
  const wings = buildWings(model, members, rec.wings, rec.wingDims);
  const shape = members.shape;
  const first = model.bearings[0];
  const L = model.length;
  const rows: [string, string][] = [
    ['형식 / 기초 형식', `${rec.type} · ${rec.foundation}`],
    ['교좌면 EL (구간 ①)', m3(rec.seatEl)],
    ['기초 하단 EL', m3(rec.foundationBottomEl)],
    ['지반고 EL', m3(rec.groundEl)],
    ['저판 상면 EL', m3(members.footingTopEl)],
    ['교대축 길이 (IP1 → IP3)', m3(L)],
    ['skew', `${rec.skewDeg.toFixed(2)}°`],
    ['종단경사 i', `${(rec.slopeI * 100).toFixed(2)} %`],
    ['받침블럭 높이 (패드 포함)', mm(first.blockHeightMm)],
    ['벽체 높이 (구간 ①)', m3(members.wallSegments.find((w) => Math.abs(w.seatEl - first.seatEl) < 1e-9)?.heightM ?? NaN)],
    ['벽체 두께 · 전면', `${Math.round(shape.wallFrontM * 1000 - shape.wallBackM * 1000)} mm · ${Math.round(shape.wallFrontM * 1000)} mm`],
    ['흉벽 높이 · 두께', `${Math.round(shape.parapetHeightM * 1000)} mm · ${Math.round(-shape.parapetBackM * 1000)} mm`],
    ['흉벽 상단 EL (IP1 끝 / IP3 끝)', `${members.parapetTopStartEl.toFixed(3)} / ${members.parapetTopEndEl.toFixed(3)} m`],
    ['브라켓 상면 EL (구간 ①)', m3(first.seatEl + shape.parapetHeightM - shape.bracketHeightM)],
    ['흉벽 경사', `${(members.parapetSlope * 100).toFixed(3)} %`],
    ['계단 경계 (IP3 쪽에서)', model.stepBounds.map((s) => (L - s).toFixed(3)).reverse().join(' / ') + ' m'],
    ['저판 폭 (앞굽 끝 / 뒷굽 끝)', `${Math.round(shape.footingFrontM * 1000)} / ${Math.round(shape.footingBackM * 1000)} mm`],
    ['말뚝 (열 × 본수)', `${members.piles.length} × ${members.piles[0]?.s.length ?? 0} = ${members.piles.length * (members.piles[0]?.s.length ?? 0)} 본`],
    ['말뚝 선단 EL', members.pileBottomEl === undefined ? '—' : m3(members.pileBottomEl)],
    ['수축줄눈 (ceil(L/10) − 1)', `${Math.max(0, Math.ceil(L / 10) - 1)} 개`],
  ];
  if (wings.length > 0) {
    const w = wings[0];
    rows.push(['날개벽 경사', `${model.wing ? (model.wing.slopePct).toFixed(2) : '—'} %`]);
    rows.push(['날개벽 뒷굽 거리 (교대축 기준)', mm(w.heelDistanceM * 1000)]);
  }
  if (model.wing) rows.push(['접속슬래브 폭', mm(model.wing.slabWidthMm)]);
  return rows;
}

/** 입력값 rows of the 교대 panel (시안 "A1 입력값" card): what the user typed, read only. */
export function abutInputRows(rec: AbutRecord): [string, string][] {
  const rows: [string, string][] = [
    ['형식 / 기초 형식', `${rec.type} (${rec.type === 'A1' ? '시점' : '종점'}) · ${rec.foundation}`],
    ['교좌면 EL (구간 ①)', `${rec.seatEl.toFixed(3)} m`],
    ['기초 하단 EL', `${rec.foundationBottomEl.toFixed(3)} m`],
    ['지반고 EL', `${rec.groundEl.toFixed(3)} m`],
    ['skew', `${rec.skewDeg.toFixed(2)}°`],
    ['종단경사 i', `${(rec.slopeI * 100).toFixed(2)} %`],
    ['말뚝 길이', `${Math.round(rec.pileLengthMm)} mm`],
    ['IP', 'IP1 → IP3 직선'],
    ['받침', `${rec.bearings.length}개 · z = 패드 상면`],
  ];
  return rows;
}

/** The 8 detail rows shown in the collapsed 상세 (the rest stay in the 삽도 view). */
export const ABUT_DETAIL_LABELS = [
  '벽체 높이 (구간 ①)',
  '흉벽 상단 EL (IP1 끝 / IP3 끝)',
  '브라켓 상면 EL (구간 ①)',
  '저판 상면 EL',
  '계단 경계 (IP3 쪽에서)',
  '말뚝 (열 × 본수)',
  '말뚝 선단 EL',
  '접속슬래브 폭',
];

/** 구간 표 of the 벽체·흉벽 card (시안 하단): one row per 교좌면 step (2026-11-03). Values come from the model and members. */
export const ABUT_SEGMENT_HEADER = ['구간', '시작 (m)', '끝 (m)', '교좌면 EL (m)', '받침블럭 높이 (mm)', '벽체 높이 (m)'];

export function abutSegmentRows(model: AbutModel, members: AbutMembers): string[][] {
  const circled = ['①', '②', '③', '④', '⑤', '⑥', '⑦', '⑧'];
  const bearings = [...model.bearings].sort((a, b) => a.s - b.s);
  return members.wallSegments.map((seg, k) => [
    circled[k] ?? String(k + 1),
    seg.sFrom.toFixed(3),
    seg.sTo.toFixed(3),
    seg.seatEl.toFixed(3),
    String(bearings[k]?.blockHeightMm ?? '—'),
    (seg.seatEl - members.footingTopEl).toFixed(3),
  ]);
}